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National Security

Land Fires

The capacity to deliver and direct land-based fires at depth: guns, rockets, tactical missiles and the sensor-to-shooter web that makes them count. One of the capabilities of Land Power.

International families
1,4242015 to 2024
Leading country
United States1.5× the next
All families
6,599home filings included
Over five years
Falling2020 to 2024 against the five before

Year by year

Patent families by country of origin and the year of the earliest filing, 2000 to 2025; 2025 is a part year, still filling in. International families are those for which protection was sought beyond one country.

Volume

International patent families in the capability, by the year of the earliest filing.

Source: Global Institute for National Capability (GINC), 2026. Underlying patents from 107 patent offices, IFI CLAIMS and Google

Share by country

Each country's share of the year's international families, in per cent: the capability's five largest countries of origin, 2015 to 2024, and the rest of the world.

Source: Global Institute for National Capability (GINC), 2026. Underlying patents from 107 patent offices, IFI CLAIMS and Google

Country leaderboard

International patent families, 2015 to 2024, by country of origin. Growth compares the latest five full years with the five before.

Ten largest

United States

Germany

France

United Kingdom

South Korea

Israel

Sweden

China

Türkiye

Switzerland

357

232

127

113

93

70

65

58

48

33

2000 to 2025
1United States35725.1%0.7×
978
2Germany23216.3%0.6×
299
3France1278.9%1.1×
146
4United Kingdom1137.9%0.9×
159
5South Korea936.5%1.2×
868
6Israel704.9%1.5×
76
7Sweden654.6%0.8×
67
8China584.1%1.0×
2,978
9Türkiye483.4%2.7×
91
10Switzerland332.3%0.7×
41
11South Africa261.8%0.6×
27
12Russia241.7%5.0×
477
13Japan181.3%0.0×
71
14Italy171.2%0.9×
25
15Finland171.2%0.9×
21
16Canada130.9%1.6×
23
17Spain130.9%0.3×
20
18Australia100.7%1.5×
13
19Austria90.6%0.5×
13
20India90.6%3.5×
11
21Singapore90.6%0.3×
10
22Belgium70.5%0.8×
8
23Netherlands60.4%0.2×
8
24Norway60.4%0.2×
6
25Brazil60.4%1.0×
9
26Taiwan30.2%2.0×
10
27Czechia20.1%1.0×
8
28Denmark10.1%–
1
29Saudi Arabia10.1%0.0×
1
30Hungary10.1%0.0×
3
31Poland00.0%–
57
32New Zealand00.0%–
1

Applicants

The largest applicants by international patent families, 2015 to 2024: across the world, then within each of the five countries with the most families in Land Fires. Names are as held in the source and are not consolidated across subsidiaries.

Global

1,424 international families

BAE SYSTEMS PLC · United Kingdom

RAYTHEON CO · United States

RHEINMETALL WAFFE MUNITION GMBH · Germany

DIEHL DEFENCE GMBH & CO KG · Germany

BAE SYSTEMS BOFORS AB · Sweden

MBDA DEUTSCHLAND GMBH · Germany

73

61

54

33

32

27

United States

357 international families

RAYTHEON CO

BAE SYS INF & ELECT SYS INTEG

AXON ENTPR INC

CUBIC CORP

SHELTERED WINGS INC D/B/A VORTEX OPTICS

SHELTERED WINGS INC D/B/A/ VORTEX OPTICS

61

18

11

10

9

9

Germany

232 international families

RHEINMETALL WAFFE MUNITION GMBH

DIEHL DEFENCE GMBH & CO KG

MBDA DEUTSCHLAND GMBH

RHEINMETALL ELECTRONICS GMBH

THYSSENKRUPP AG

DIEHL BGT DEFENCE GMBH & CO KG

54

33

27

12

12

10

France

127 international families

THALES SA

NEXTER MUNITIONS

NAVAL GROUP

SAFRAN ELECTRONICS & DEFENSE

EURENCO FRANCE

MBDA FRANCE

21

15

12

12

7

7

United Kingdom

113 international families

BAE SYSTEMS PLC

MBDA UK LTD

THALES HOLDINGS UK PLC

SECR DEFENCE

ALFORD IP LTD

ELLIS JOHN WILLIAM GEORGE

73

7

4

3

2

2

South Korea

93 international families

AGENCY DEFENSE DEV

HANWHA CORP

HANWHA AEROSPACE CO LTD

HANWHA DEFENSE CO LTD

HANWHA LAND SYS CO LTD

DURETEK INC

24

19

8

8

4

3

Similar capabilities

The nine capabilities that share the most international patent families with Land Fires, 2015 to 2024: the families counted in both as a share of those counted in either. Each card shows its five largest countries.

National Security

Long-Range Strike

10.1% shared · 206 families in both

United States

Germany

United Kingdom

France

Israel

278

159

88

77

44

National Security

Counter-Uncrewed & Low-Altitude Defence

6.8% shared · 131 families in both

United States

Germany

United Kingdom

Japan

Israel

156

135

72

56

50

Strategic Infrastructure

Military Bases & Installations

6.3% shared · 176 families in both

United States

Germany

South Korea

United Kingdom

Japan

353

218

111

100

84

National Security

Control of the Air

6.1% shared · 112 families in both

United States

United Kingdom

Germany

Türkiye

France

176

57

50

43

41

National Security

Integrated Air & Missile Defence

5.9% shared · 102 families in both

Germany

United States

Japan

Israel

United Kingdom

92

75

47

41

28

National Security

Combined Arms Manoeuvre

5.7% shared · 303 families in both

United States

Germany

France

Türkiye

United Kingdom

1,319

502

222

212

211

National Security

Standing Force Generation & Training

4.7% shared · 95 families in both

United States

Germany

South Korea

United Kingdom

Canada

217

90

58

38

30

National Security

Air Strike & Interdiction

4.5% shared · 71 families in both

United States

United Kingdom

Türkiye

Germany

South Korea

45

40

29

23

15

National Security

Operational Sustainment & War Reserves

4.0% shared · 70 families in both

United States

Germany

France

United Kingdom

China

88

67

32

24

23

Crosswalk

How Land Fires is matched to the patent classifications. The entries below were chosen for it; each stands for itself and everything beneath it in the scheme, 187 Cooperative entries in all. A patent family counts when any of its codes, in either scheme and at any office, falls under one of them. Codes since retired are placed under the entries that replaced them.

EntryTitle in the schemeWhy it is chosenCPC codesIPC codesDocuments
F41F1/00Launching apparatus for projecting projectiles or missiles from barrels, e.g. cannons; Harpoon gunsCannons, mortars and other barrel launchers547,044
F41F3/04Rocket or torpedo launchers for rocketsRocket launchers1189,780
F41G3/14Indirect aiming meansIndirect aiming for artillery847,675
F41G3/04Aiming or laying means for dispersing fire from a battery ; for controlling spread of shots; for coordinating fire from spaced weaponsCoordinating fire from a battery or spaced weapons111,309
F41G5/00Elevating or traversing control systems for gunsElevation and traverse control systems for guns12124,467
F42B30/08Ordnance projectiles or missiles, e.g. shellsArtillery shells and mortar bombs332,044
F42B12/20Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive typeHigh-explosive, fragmentation and shaped-charge warheads1378,901
F42B12/58Cluster or cargo ammunition, i.e. projectiles containing one or more submissilesCluster and cargo munitions655,801
F42CAmmunition fuzes; arming or safety means thereforAmmunition fuzes1268870,010
F41F3/06Rocket or torpedo launchers for rockets from aircraftLeft out
F41F3/07Underwater launching-apparatusLeft out
F41F3/073Silos for rockets, e.g. mounting or sealing rockets thereinLeft out
F41G5/08Ground-based tracking-systems for aerial targetsLeft out
F42C21/00Checking fuzes; Testing fuzesLeft out

CPC and IPC codes are the codes in use on patent documents, at any office, that fall under the entry. Documents is the larger of the two schemes' counts of documents carrying one of them. An entry with no IPC codes can be told apart only in the Cooperative scheme.

The Cooperative codes in use that count towards Land Fires: 185 codes on 114,706 documents. The 150 most used are listed; the full list is in the cpc-to-capability.csv download.

CodeTitleUnder entryHow placedDocuments
F42C19/12Primers; Detonators electricF42CIn the scheme3,079
F41G3/165Sighting devices adapted for indirect laying of fire using a TV-monitorF41G3/14In the scheme2,844
F41F3/04Rocket or torpedo launchers for rocketsF41F3/04In the scheme2,601
F42C15/40Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electricallyF42CIn the scheme2,433
F42C15/24Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected by inertia meansF42CIn the scheme2,405
F41F1/00Launching apparatus for projecting projectiles or missiles from barrels, e.g. cannons; Harpoon gunsF41F1/00In the scheme2,353
F42B12/32Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the hull or case comprising a plurality of discrete bodies, e.g. steel balls, embedded therein or disposed around the explosive chargeF42B12/20In the scheme2,112
F42C11/06Electric fuzes with time delay by electric circuitryF42CIn the scheme1,747
F42C19/06Electric contact parts specially adapted for use with electric fuzesF42CIn the scheme1,714
F42B12/58Cluster or cargo ammunition, i.e. projectiles containing one or more submissilesF42B12/58In the scheme1,656
F41F1/06MortarsF41F1/00In the scheme1,623
F42C17/04Fuze-setting apparatus for electric fuzesF42CIn the scheme1,609
F42C15/22Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing-pin using centrifugal forceF42CIn the scheme1,581
F41F3/052Means for securing the rocket in the launching apparatusF41F3/04In the scheme1,515
F42B12/204Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by target class for attacking structures, e.g. specific buildings or fortifications, ships or vehiclesF42B12/20In the scheme1,469
F42C14/02Mechanical fuzes characterised by the ammunition class or type for hand grenadesF42CIn the scheme1,401
F42C15/26Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected by inertia means using centrifugal forceF42CIn the scheme1,376
F42C11/00Electric fuzesF42CIn the scheme1,366
F42C15/184Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved using a slidable carrierF42CIn the scheme1,350
F41F3/042Rocket or torpedo launchers for rockets the launching apparatus being used also as a transport container for the rocketF41F3/04In the scheme1,345
F42B12/62Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles the submissiles being ejected parallel to the longitudinal axis of the projectileF42B12/58In the scheme1,321
F42B12/22Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull constructionF42B12/20In the scheme1,316
F41G3/04Aiming or laying means for dispersing fire from a battery ; for controlling spread of shots; for coordinating fire from spaced weaponsF41G3/04In the scheme1,309
F42C15/188Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved using a rotatable carrierF42CIn the scheme1,286
F42C15/34Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected by a blocking-member in the pyrotechnic or explosive train between primer and main chargeF42CIn the scheme1,260
F42C15/20Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing-pinF42CIn the scheme1,208
F41G3/14Indirect aiming meansF41G3/14In the scheme1,143
F42C19/10Percussion capsF42CIn the scheme1,116
F42C19/02Fuze bodies; Fuze housingsF42CIn the scheme1,113
F41G3/145Indirect aiming means using a target illuminatorF41G3/14In the scheme1,083
F42C11/02Electric fuzes with piezo-crystalF42CIn the scheme1,063
F42C13/04Proximity fuzes; Fuzes for remote detonation operated by radio wavesF42CIn the scheme1,022
F41G3/142Indirect aiming means based on observation of a first shoot; using a simulated shootF41G3/14In the scheme995
F42C19/083Primers or igniters for the initiation or the propellant charge in a cartridged ammunition characterised by the shape and configuration of the base element embedded in the cartridge bottom, e.g. the housing for the squib or percussion capF42CIn the scheme985
F42B12/60Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles the submissiles being ejected radiallyF42B12/58In the scheme963
F42C1/04Impact fuzes, i.e. fuzes actuated only by ammunition impact with firing-pin structurally combined with fuze operating by inertia of members on impactF42CIn the scheme960
F41F1/08Multibarrel guns, e.g. twin gunsF41F1/00In the scheme955
F42B30/10Mortar projectilesF42B30/08In the scheme941
F42B12/20Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive typeF42B12/20In the scheme933
F42C19/0807Primers; Detonators characterised by the particular configuration of the transmission channels from the priming energy source to the charge to be ignited, e.g. multiple channels, nozzles, diaphragms or filtersF42CIn the scheme907
F42C15/42Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically from a remote location, e.g. for controlled mines or mine fieldsF42CIn the scheme901
F42C1/02Impact fuzes, i.e. fuzes actuated only by ammunition impact with firing-pin structurally combined with fuzeF42CIn the scheme878
F42C19/08Primers; DetonatorsF42CIn the scheme854
F41G5/14Elevating or traversing control systems for guns for vehicle-borne gunsF41G5/00In the scheme850
F41G3/16Sighting devices adapted for indirect laying of fireF41G3/14In the scheme849
F42B12/24Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction with grooves, recesses or other wall weakeningsF42B12/20In the scheme825
F42C11/04Electric fuzes with current inductionF42CIn the scheme800
F42C19/0826Primers or igniters for the initiation or the propellant charge in a cartridged ammunition comprising an elongated perforated tube, i.e. flame tube, for the transmission of the initial energy to the propellant charge, e.g. used for artillery shells and kinetic energy penetratorsF42CIn the scheme791
F42C19/00Details of fuzesF42CIn the scheme786
F42B30/08Ordnance projectiles or missiles, e.g. shellsF42B30/08In the scheme774
F42C13/02Proximity fuzes; Fuzes for remote detonation operated by intensity of light or similar radiationF42CIn the scheme774
F42C11/065Programmable electronic delay initiators in projectilesF42CIn the scheme765
F42C11/008Power generation in electric fuzesF42CIn the scheme759
F42B12/207Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by the explosive material or the construction of the high explosive warhead, e.g. insensitive ammunitionF42B12/20In the scheme755
F42C1/06Impact fuzes, i.e. fuzes actuated only by ammunition impact with firing-pin structurally combined with fuze operating by inertia of members on impact for any direction of impactF42CIn the scheme750
F42C15/44Arrangements for disarming, or for rendering harmless, fuzes after arming, e.g. after launchF42CIn the scheme749
F42C7/12Percussion fuzes of the double-action type, i.e. fuzes cocked and fired in a single movement, e.g. by pulling an incorporated percussion pin or hammerF42CIn the scheme749
F42C13/00Proximity fuzes; Fuzes for remote detonationF42CIn the scheme746
F41F3/077Doors or covers for launching tubesF41F3/04In the scheme742
F42C9/10Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by combustionF42CIn the scheme737
F42C15/295Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by flow of fluent material, e.g. shot, fluids operated by a turbine or a propeller; Mounting means thereforF42CIn the scheme718
F42C15/31Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by flow of fluent material, e.g. shot, fluids generated by the combustion of a pyrotechnic or explosive charge within the fuzeF42CIn the scheme716
F41F1/10Revolving-cannon guns, i.e. multibarrel guns with the barrels and their respective breeches mounted on a rotor; Breech mechanisms thereforF41F1/00In the scheme710
F41G5/06Elevating or traversing control systems for guns using electric means for remote controlF41G5/00In the scheme675
F42B12/625Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles the submissiles being ejected parallel to the longitudinal axis of the projectile a single submissile arranged in a carrier missile for being launched or accelerated coaxially; Coaxial tandem arrangement of missiles which are active in the target one after the otherF42B12/58In the scheme671
F42C9/16Double fuzes; Multiple fuzes for self-destruction of ammunitionF42CIn the scheme653
F42B12/66Chain-shot, i.e. the submissiles being interconnected by chains or the likeF42B12/58In the scheme644
F42C11/007Electric circuits for fuzes characterised by the ammunition class or type for land minesF42CIn the scheme622
F42C9/18Double fuzes; Multiple fuzes for self-destruction of ammunition when the spin rate falls below a predetermined limit, e.g. a spring force being stronger than the locking action of a centrifugally-operated lockF42CIn the scheme587
F42B12/208Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by a plurality of charges within a single high explosive warheadF42B12/20In the scheme585
F42C14/08Mechanical fuzes characterised by the ammunition class or type for land minesF42CIn the scheme574
F42C13/023Proximity fuzes; Fuzes for remote detonation operated by intensity of light or similar radiation using active distance measurementF42CIn the scheme572
F41F3/0413Means for exhaust gas disposal, e.g. exhaust deflectors, gas evacuation systemsF41F3/04In the scheme563
F42C19/0838Primers or igniters for the initiation or the explosive charge in a warheadF42CIn the scheme556
F42C9/02Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by mechanical meansF42CIn the scheme548
F42B12/64Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles the submissiles being ejected parallel to the longitudinal axis of the projectile the submissiles being of shot- or flechette-typeF42B12/58In the scheme546
F42C15/36Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein arming is effected by combustion or fusion of an element; Arming methods using temperature gradientsF42CIn the scheme544
F41G5/00Elevating or traversing control systems for gunsF41G5/00In the scheme536
F42C9/04Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by mechanical means by spring motorF42CIn the scheme526
F42C14/04Mechanical fuzes characterised by the ammunition class or type for torpedoes, marine mines or depth chargesF42CIn the scheme523
F42C17/00Fuze-setting apparatusF42CIn the scheme518
F41F3/0455BazookasF41F3/04In the scheme517
F42C15/00Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or chargesF42CIn the scheme516
F42C19/0823Primers or igniters for the initiation or the propellant charge in a cartridged ammunitionF42CIn the scheme507
F42C15/005Combination-type safety mechanisms, i.e. two or more safeties are moved in a predetermined sequence to each otherF42CIn the scheme489
F42C13/08Proximity fuzes; Fuzes for remote detonation operated by variations in magnetic fieldF42CIn the scheme488
F41G3/147Indirect aiming means based on detection of a firing weaponF41G3/14In the scheme485
F41G5/24Elevating or traversing control systems for guns for vehicle-borne guns for guns on tanksF41G5/00In the scheme485
F42C9/142Double fuzes; Multiple fuzes combined time and percussion fuzes in which the timing is caused by combustionF42CIn the scheme482
F41F3/055Umbilical connecting meansF41F3/04In the scheme470
F41F3/0406Rail launchersF41F3/04In the scheme464
F41F3/045Rocket or torpedo launchers for rockets adapted to be carried and used by a person, e.g. bazookasF41F3/04In the scheme450
F42C15/192Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved using a rotatable carrier rotatable in a plane which is parallel to the longitudinal axis of the projectileF42CIn the scheme448
F42C19/0803Primers; Detonators characterised by the combination of per se known chemical composition in the priming substanceF42CIn the scheme446
F42C19/0815Intermediate ignition capsules, i.e. self-contained primary pyrotechnic module transmitting the initial firing signal to the secondary explosive, e.g. using electric, radio frequency, optical or percussion signals to the secondary explosiveF42CIn the scheme446
F41G5/16Elevating or traversing control systems for guns for vehicle-borne guns gyroscopically influencedF41G5/00In the scheme445
F42C15/30Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by flow of fluent material, e.g. shot, fluids of propellant gases, i.e. derived from propulsive charge or rocket motorF42CIn the scheme432
F42C9/14Double fuzes; Multiple fuzesF42CIn the scheme431
F42C19/095Arrangements of a multiplicity of primers or detonators, dispersed around a warhead, one of the primers or detonators being selected for directional detonation effectsF42CIn the scheme409
F42C13/06Proximity fuzes; Fuzes for remote detonation operated by sound wavesF42CIn the scheme408
F42C5/00Fuzes actuated by exposure to a predetermined ambient fluid pressureF42CIn the scheme404
F42C19/04Protective capsF42CIn the scheme402
F42C15/285Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by flow of fluent material, e.g. shot, fluids stored within the fuze housingF42CIn the scheme399
F42C9/048Unlocking of clockwork mechanisms, e.g. by inertia or centrifugal forces; Means for disconnecting the clockwork mechanism from the setting mechanismF42CIn the scheme399
F42C1/10Impact fuzes, i.e. fuzes actuated only by ammunition impact without firing-pinF42CIn the scheme381
F42C15/18Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is movedF42CIn the scheme380
F42C1/08Impact fuzes, i.e. fuzes actuated only by ammunition impact with firing-pin structurally combined with fuze with delayed action after ignition of fuze or after impactF42CIn the scheme373
F42C9/12Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by combustion with ring combustion elementsF42CIn the scheme364
F42C19/0819Primers or igniters for the initiation of rocket motors, i.e. pyrotechnical aspects thereofF42CIn the scheme355
F42C14/00Mechanical fuzes characterised by the ammunition class or typeF42CIn the scheme338
F42C15/196Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved using a rotatable carrier rotatable in a plane which is parallel to the longitudinal axis of the projectile by the action of centrifugal or inertia forces on the carrier body, e.g. the carrier having eccentrically mounted weights or eccentric centre of gravityF42CIn the scheme336
F42C15/21Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing-pin using spring actionF42CIn the scheme336
F42C19/0842Arrangements of a multiplicity of primers or detonators, dispersed within a warhead, for multiple mode selectionF42CIn the scheme333
F42B30/12Mortar projectiles with provision for additional propulsive charges, or for varying the lengthF42B30/08In the scheme329
F42C9/045Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by mechanical means by spring motor the clockwork activating a security device, e.g. for unlocking the firing-pin and the firing-pin being activated by a springF42CIn the scheme326
F42C11/001Electric circuits for fuzes characterised by the ammunition class or typeF42CIn the scheme319
F42C9/00Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunitionF42CIn the scheme317
F42C9/041Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by mechanical means by spring motor the clockwork activating a security device, e.g. for unlocking the firing-pinF42CIn the scheme308
F42C1/14Impact fuzes, i.e. fuzes actuated only by ammunition impact operating at a predetermined distance from ground or target by means of a protruding memberF42CIn the scheme306
F42C15/32Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by change of fluid pressureF42CIn the scheme304
F42C19/07Nose-contacts for projectiles or missilesF42CIn the scheme300
F42C7/06Contact fuzes, i.e. fuzes actuated by mechanical contact between a stationary ammunition, e.g. a land mine, and a moving target, e.g. a person actuated by applying pressure on the ammunition head and comprising pneumatic or hydraulic retarding meansF42CIn the scheme289
F42C1/00Impact fuzes, i.e. fuzes actuated only by ammunition impactF42CIn the scheme288
F42C7/04Contact fuzes, i.e. fuzes actuated by mechanical contact between a stationary ammunition, e.g. a land mine, and a moving target, e.g. a person actuated by applying pressure on the ammunition headF42CIn the scheme287
F42C19/085Primers for caseless ammunitionF42CIn the scheme283
F41G5/18Tracking systems for guns on aircraftF41G5/00In the scheme276
F41G5/20Elevating or traversing control systems for guns for vehicle-borne guns for guns on shipsF41G5/00In the scheme276
F42C14/06Mechanical fuzes characterised by the ammunition class or type for fall bombsF42CIn the scheme274
F42C19/09Primers or detonators containing a hollow chargeF42CIn the scheme274
F42C15/23Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing-pin by unwinding a flexible ribbon or tapeF42CIn the scheme262
F42C3/00Fuzes actuated by exposure to a liquid, e.g. seawaterF42CIn the scheme261
F42C7/00Fuzes actuated by application of a predetermined mechanical force, e.g. tension, torsion, pressureF42CIn the scheme260
F41G5/26Apparatus for testing or checkingF41G5/00In the scheme259
F42C13/047Remotely actuated projectile fuzes operated by radio transmission linksF42CIn the scheme255
F42B12/202Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by target class for attacking land area or area targets, e.g. airburstF42B12/20In the scheme248
F42C14/045Mechanical fuzes characterised by the ammunition class or type for torpedoes, marine mines or depth charges having electric ignitersF42CIn the scheme247
F42C15/29Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges operated by flow of fluent material, e.g. shot, fluids operated by fluidic oscillators; operated by dynamic fluid pressure, e.g. ram-air operatedF42CIn the scheme243
F42C9/141Impact fuze in combination with a clockwork time fuzeF42CIn the scheme236
F42C13/006Proximity fuzes; Fuzes for remote detonation for non-guided, spinning, braked or gravity-driven weapons, e.g. parachute-braked sub-munitionsF42CIn the scheme224
F42C11/005Electric circuits for fuzes characterised by the ammunition class or type for marine warheads, e.g. torpedoes, mines, depth chargesF42CIn the scheme218
F42C15/16Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the firing pin is displaced out of the action line for safetyF42CIn the scheme213
F41F1/085Multibarrel guns, e.g. twin guns with oscillating barrels; with barrels having variable relative orientationF41F1/00In the scheme205
F42C19/0834Arrangements of a multiplicity of primers or detonators dispersed within a propellant charge for increased efficiencyF42CIn the scheme203
F42B12/28Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the projectile wall being built from annular elementsF42B12/20In the scheme202
F41G3/18Auxiliary target devices adapted for indirect laying of fireF41G3/14In the scheme201
F42B12/205Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by target class for attacking aerial targetsF42B12/20In the scheme200
F42C15/38Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein arming is effected by chemical actionF42CIn the scheme199
F42C19/0846Arrangements of a multiplicity of primers or detonators, dispersed within a warhead, for increased efficiencyF42CIn the scheme198
F42C9/06Time fuzes; Combined time and percussion or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by mechanical means by flow of fluent material, e.g. shot, fluidsF42CIn the scheme198
F42C13/042Proximity fuzes; Fuzes for remote detonation operated by radio waves based on distance determination by coded radar techniquesF42CIn the scheme172
Match: Through its tools
The classification names the equipment or technology the capability draws on, not the capability. The count says how much is being invented for it, not how well it is done. Tactical missiles cannot be separated from longer-range ones and are counted under Long-Range Strike; fuzes and warheads here also serve bombs, mines and naval guns. The crosswalk is a first pass that nobody has reviewed.

Other capabilities in Land Power