- International families
- 51k2015 to 2024
- Leading country
- Japan1.2× the next
- All families
- 211khome filings included
- Over five years
- Rising2020 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
Japan
United States
Germany
China
South Korea
France
United Kingdom
Switzerland
Italy
Taiwan
10,180
8,639
7,064
6,169
4,954
3,021
1,223
875
775
723
| 2000 to 2025 | ||||||
|---|---|---|---|---|---|---|
| 1 | Japan | 10,180 | 20.1% | 1.3× | 20,286 | |
| 2 | United States | 8,639 | 17.1% | 1.4× | 13,709 | |
| 3 | Germany | 7,064 | 14.0% | 1.5× | 11,941 | |
| 4 | China | 6,169 | 12.2% | 3.1× | 122,747 | |
| 5 | South Korea | 4,954 | 9.8% | 1.9× | 23,058 | |
| 6 | France | 3,021 | 6.0% | 1.6× | 4,250 | |
| 7 | United Kingdom | 1,223 | 2.4% | 2.0× | 1,647 | |
| 8 | Switzerland | 875 | 1.7% | 1.6× | 977 | |
| 9 | Italy | 775 | 1.5% | 2.0× | 1,044 | |
| 10 | Taiwan | 723 | 1.4% | 1.5× | 1,384 | |
| 11 | Canada | 694 | 1.4% | 1.5× | 988 | |
| 12 | Netherlands | 687 | 1.4% | 1.3× | 794 | |
| 13 | Sweden | 669 | 1.3% | 2.2× | 773 | |
| 14 | Denmark | 589 | 1.2% | 2.0× | 639 | |
| 15 | Austria | 408 | 0.8% | 2.0× | 510 | |
| 16 | Australia | 379 | 0.7% | 1.5× | 499 | |
| 17 | Finland | 338 | 0.7% | 1.7× | 368 | |
| 18 | Norway | 331 | 0.7% | 1.6× | 372 | |
| 19 | India | 300 | 0.6% | 2.4× | 376 | |
| 20 | Spain | 278 | 0.5% | 1.4× | 356 | |
| 21 | Saudi Arabia | 256 | 0.5% | 2.0× | 476 | |
| 22 | Israel | 253 | 0.5% | 2.4× | 312 | |
| 23 | Belgium | 221 | 0.4% | 1.8× | 267 | |
| 24 | Singapore | 184 | 0.4% | 2.2× | 206 | |
| 25 | Türkiye | 184 | 0.4% | 1.7× | 338 | |
| 26 | Brazil | 106 | 0.2% | 1.6× | 294 | |
| 27 | Ireland | 104 | 0.2% | 2.7× | 127 | |
| 28 | Russia | 94 | 0.2% | 1.4× | 580 | |
| 29 | Luxembourg | 89 | 0.2% | 1.3× | 92 | |
| 30 | Poland | 81 | 0.2% | 2.0× | 346 | |
| 31 | Hong Kong | 55 | 0.1% | 1.0× | 76 | |
| 32 | New Zealand | 52 | 0.1% | 1.2× | 56 | |
| 33 | Portugal | 48 | 0.1% | 2.0× | 61 | |
| 34 | Czechia | 43 | 0.1% | 1.7× | 77 | |
| 35 | South Africa | 37 | 0.1% | 1.1× | 38 | |
| 36 | Mexico | 37 | 0.1% | 0.7× | 91 | |
| 37 | Malaysia | 36 | 0.1% | 1.6× | 55 | |
| 38 | Hungary | 24 | 0.0% | 1.4× | 44 | |
| 39 | Cayman Islands | 12 | 0.0% | 1.0× | 20 | |
| 40 | Liechtenstein | 8 | 0.0% | 1.7× | 9 |
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 Storage & Fuel Supply. Names are as held in the source and are not consolidated across subsidiaries.
Global
50,635 international families
TOYOTA MOTOR CORP · Japan
TOYOTA MOTOR CO LTD · Japan
HYUNDAI MOTOR CO LTD · South Korea
HONDA MOTOR CO LTD · Japan
KIA MOTORS CORP · South Korea
KIA CORP · South Korea
2,259
2,225
1,402
1,011
1,000
954
Japan
10,180 international families
TOYOTA MOTOR CORP
TOYOTA MOTOR CO LTD
HONDA MOTOR CO LTD
PANASONIC IP MAN CO LTD
DENSO CORP
TOSHIBA KK
2,248
2,203
1,005
506
324
298
United States
8,639 international families
FORD GLOBAL TECH LLC
GM GLOBAL TECH OPERATIONS LLC
CATERPILLAR INC
AIR PROD & CHEM
GEN ELECTRIC
UOP LLC
757
421
158
137
137
100
Germany
7,064 international families
BOSCH GMBH ROBERT
BAYERISCHE MOTOREN WERKE AG
SIEMENS AG
AUDI AG
ROBERT BOSCH CO LTD
SIEMENS ENERGY GLOBAL GMBH & CO KG
934
346
320
271
269
261
China
6,169 international families
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
HUAWEI DIGITAL POWER TECH CO LTD
NINGDE CONTEMPORARY AMPEREX TECH CO LTD
BYD CO LTD
SHANGHAI DIANBA NEW ENERGY TECH CO LTD
HUAWEI TECH CO LTD
394
375
375
267
187
176
South Korea
4,954 international families
HYUNDAI MOTOR CO LTD
KIA MOTORS CORP
KIA CORP
LG ENERGY SOLUTION LTD
LG ELECTRONICS INC
LG CHEMICAL LTD
1,402
1,000
954
202
200
110
Similar capabilities
The nine capabilities that share the most international patent families with Storage & Fuel Supply, 2015 to 2024: the families counted in both as a share of those counted in either. Each card shows its five largest countries.
Critical Technology
Hydrogen, Ammonia & Sustainable Fuels
22.5% shared · 16,284 families in both
Japan
United States
Germany
South Korea
China
8,805
6,231
5,748
4,176
2,470
Strategic Infrastructure
System Control & Dispatch
10.5% shared · 7,162 families in both
China
Japan
United States
Germany
South Korea
5,396
4,879
4,394
2,294
1,663
Strategic Infrastructure
Chemicals & Hazardous Process Industry
5.7% shared · 6,773 families in both
United States
Japan
China
Germany
South Korea
16,120
13,036
11,408
6,357
5,716
Production & Innovation
Manufacturing & Advanced Industry
4.5% shared · 23,736 families in both
Japan
United States
Germany
China
South Korea
138,612
87,628
76,621
49,292
40,578
Production & Innovation
Foundational & Process Industries
3.9% shared · 13,814 families in both
Japan
United States
China
South Korea
Germany
94,317
55,479
36,011
28,513
26,005
Strategic Infrastructure
Storage, Transport & Export
3.9% shared · 2,151 families in both
United States
France
Japan
China
South Korea
1,149
1,029
876
701
523
Critical Technology
Batteries & Energy Storage
3.6% shared · 5,916 families in both
Japan
South Korea
China
United States
Germany
31,663
26,714
25,896
12,867
8,520
Strategic Infrastructure
Renewable Generation
3.0% shared · 2,825 families in both
China
Japan
United States
South Korea
Germany
9,914
5,849
5,618
5,116
4,625
Trade & Investment
Maritime & Logistics Services
2.6% shared · 2,189 families in both
United States
Japan
China
Germany
South Korea
8,146
6,361
4,144
3,442
2,840
Crosswalk
How Storage & Fuel Supply is matched to the patent classifications. The entries below were chosen for it; each stands for itself and everything beneath it in the scheme, 931 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.
| Entry | Title in the scheme | Why it is chosen | CPC codes | IPC codes | Documents |
|---|---|---|---|---|---|
| H02J15/00 | Systems for storing electric energy specially adapted for power networks | Systems storing electric energy for power networks | 10 | 6 | 23,177 |
| H02J3/28 | Arrangements for balancing of the load in networks by storage of energy | Network load balancing by energy storage, including batteries | 4 | 3 | 102,348 |
| F17C | Vessels for containing or storing compressed, liquefied or solidified gases; fixed-capacity gas-holders; filling vessels with, or discharging from vessels, compressed, liquefied, or solidified gases | Vessels storing and dispensing compressed or liquefied gases | 595 | 39 | 1,708,093 |
| F17B | Gas-holders of variable capacity | Variable-capacity gas holders | 15 | 17 | 7,457 |
| B65G5/00 | Storing fluids in natural or artificial cavities or chambers in the earth | Underground cavern storage of gas and fuel | 2 | 1 | 4,283 |
| C01B3/00 | Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen | Hydrogen production and purification | 81 | 64 | 267,480 |
| C25B1/04 | Hydrogen or oxygen by electrolysis of water | Hydrogen by electrolysis of water | 3 | 3 | 79,383 |
| B67D7/00 | Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes | Fuel dispensing pumps and equipment | 184 | 44 | 174,253 |
| B60S5/02 | Supplying fuel to vehicles; General disposition of plant in filling stations | Vehicle filling stations and their layout | 1 | 1 | 5,943 |
| B60L53/00 | Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles | Electric vehicle charging stations and methods | 42 | 38 | 549,742 |
| Y02E60/32 | Hydrogen storage | Tagged hydrogen storage | 1 | none | 68,272 |
| Y02E60/34 | Hydrogen distribution | Tagged hydrogen distribution | 1 | none | 2,643 |
| Y02E60/36 | Hydrogen production from non-carbon containing sources, e.g. by water electrolysis | Tagged hydrogen production from non-carbon sources | 1 | none | 121,731 |
| Y02E70/30 | Systems combining energy storage with energy generation of non-fossil origin | Tagged storage combined with non-fossil generation | 1 | none | 63,401 |
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 Storage & Fuel Supply: 941 codes on 3,093,598 documents. The 150 most used are listed; the full list is in the cpc-to-capability.csv download.
| Code | Title | Under entry | How placed | Documents |
|---|---|---|---|---|
| Y02E60/36 | Hydrogen production from non-carbon containing sources, e.g. by water electrolysis | Y02E60/36 | In the scheme | 121,731 |
| C25B1/04 | Hydrogen or oxygen by electrolysis of water | C25B1/04 | In the scheme | 71,754 |
| Y02E60/32 | Hydrogen storage | Y02E60/32 | In the scheme | 68,272 |
| Y02E70/30 | Systems combining energy storage with energy generation of non-fossil origin | Y02E70/30 | In the scheme | 63,401 |
| H02J3/32 | Arrangements for balancing of the load in networks by storage of energy using batteries or super capacitors with converting means | H02J3/28 | In the scheme | 51,776 |
| B60L53/16 | Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles | B60L53/00 | In the scheme | 42,723 |
| F17C2223/0161 | Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG | F17C | In the scheme | 38,731 |
| F17C2221/033 | Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG | F17C | In the scheme | 37,157 |
| B60L53/14 | Conductive energy transfer | B60L53/00 | In the scheme | 36,780 |
| F17C2221/012 | Hydrogen | F17C | In the scheme | 31,330 |
| F17C2223/0123 | Single phase gaseous, e.g. CNG, GNC | F17C | In the scheme | 31,263 |
| F17C2223/033 | Small pressure, e.g. for liquefied gas | F17C | In the scheme | 31,204 |
| F17C2201/0109 | Shape cylindrical with exteriorly curved end-piece | F17C | In the scheme | 27,992 |
| H02J3/28 | Arrangements for balancing of the load in networks by storage of energy | H02J3/28 | In the scheme | 27,508 |
| F17C13/04 | Arrangement or mounting of valves | F17C | In the scheme | 27,326 |
| B60L53/80 | Exchanging energy storage elements, e.g. removable batteries | B60L53/00 | In the scheme | 26,120 |
| B60L53/31 | Charging columns specially adapted for electric vehicles | B60L53/00 | In the scheme | 25,814 |
| B60L53/62 | Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge | B60L53/00 | In the scheme | 23,860 |
| B60L53/12 | Inductive energy transfer | B60L53/00 | In the scheme | 23,336 |
| B60L53/60 | Monitoring or controlling charging stations | B60L53/00 | In the scheme | 22,666 |
| B60L53/66 | Data transfer between charging stations and vehicles | B60L53/00 | In the scheme | 22,272 |
| B60L53/30 | Constructional details of charging stations | B60L53/00 | In the scheme | 22,075 |
| B60L53/305 | Communication interfaces | B60L53/00 | In the scheme | 21,527 |
| F17C2270/0105 | Ships | F17C | In the scheme | 21,464 |
| B60L53/65 | Monitoring or controlling charging stations involving identification of vehicles or their battery types | B60L53/00 | In the scheme | 21,173 |
| F17C2223/0153 | Liquefied gas, e.g. LPG, GPL | F17C | In the scheme | 20,092 |
| F17C2223/036 | Very high pressure (>80 bar) | F17C | In the scheme | 19,579 |
| F17C2201/056 | Small (<1 m3) | F17C | In the scheme | 18,767 |
| B60L53/18 | Cables specially adapted for charging electric vehicles | B60L53/00 | In the scheme | 17,532 |
| F17C2205/0323 | Valves | F17C | In the scheme | 17,416 |
| F17C2250/043 | Pressure | F17C | In the scheme | 17,416 |
| C01B3/38 | Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air by reaction of hydrocarbons with gasifying agents using catalysts | C01B3/00 | In the scheme | 17,146 |
| B60L53/68 | Off-site monitoring or control, e.g. remote control | B60L53/00 | In the scheme | 16,693 |
| B60L53/665 | Methods related to measuring, billing or payment | B60L53/00 | In the scheme | 16,545 |
| B60L53/00 | Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles | B60L53/00 | In the scheme | 16,193 |
| F17C13/00 | Details of vessels or of the filling or discharging of vessels | F17C | In the scheme | 15,880 |
| B60L53/22 | Constructional details or arrangements of charging converters specially adapted for charging electric vehicles | B60L53/00 | In the scheme | 14,820 |
| F17C5/06 | Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases | F17C | In the scheme | 14,627 |
| B60L53/63 | Monitoring or controlling charging stations in response to network capacity | B60L53/00 | In the scheme | 14,566 |
| B60L53/20 | Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle | B60L53/00 | In the scheme | 14,489 |
| F17C2225/0123 | Single phase gaseous, e.g. CNG, GNC | F17C | In the scheme | 14,431 |
| F17C2270/0168 | Applications for fluid transport or storage on the road by vehicles | F17C | In the scheme | 14,014 |
| C01B3/384 | Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air by reaction of hydrocarbons with gasifying agents using catalysts with external heating of the catalyst | C01B3/00 | In the scheme | 13,949 |
| B60L53/11 | DC charging controlled by the charging station, e.g. mode 4 | B60L53/00 | In the scheme | 13,705 |
| F17C2201/052 | Size large (>1000 m3) | F17C | In the scheme | 12,974 |
| F17C2201/058 | Size portable (<30 l) | F17C | In the scheme | 12,956 |
| F17C2221/035 | Propane butane, e.g. LPG, GPL | F17C | In the scheme | 12,792 |
| F17C1/00 | Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge | F17C | In the scheme | 12,450 |
| C01B3/48 | Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air by reaction of hydrocarbons with gasifying agents followed by reaction of water vapour with carbon monoxide | C01B3/00 | In the scheme | 12,236 |
| F17C2223/035 | High pressure (>10 bar) | F17C | In the scheme | 12,010 |
| F17C2205/0332 | Safety valves or pressure relief valves | F17C | In the scheme | 11,872 |
| C01B3/56 | Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids | C01B3/00 | In the scheme | 11,812 |
| C01B3/382 | Processes with two or more reaction steps, of which at least one is catalytic, e.g. steam reforming and partial oxidation | C01B3/00 | In the scheme | 11,777 |
| F17C2250/0439 | Temperature | F17C | In the scheme | 11,773 |
| F17C2227/0135 | Pumps | F17C | In the scheme | 11,721 |
| B60L53/126 | Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver | B60L53/00 | In the scheme | 11,614 |
| F17C9/02 | Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation | F17C | In the scheme | 11,558 |
| F17C2201/032 | Orientation with substantially vertical main axis | F17C | In the scheme | 11,433 |
| F17C2250/032 | Control means using computers | F17C | In the scheme | 11,372 |
| F17C2221/014 | Nitrogen | F17C | In the scheme | 11,256 |
| H02J3/322 | Arrangements for balancing of the load in networks by storage of energy using batteries or super capacitors with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging | H02J3/28 | In the scheme | 11,162 |
| B60L53/67 | Controlling two or more charging stations | B60L53/00 | In the scheme | 11,113 |
| B60L53/36 | Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle | B60L53/00 | In the scheme | 11,080 |
| F17C2203/0604 | Liners | F17C | In the scheme | 11,068 |
| F17C13/025 | Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter | F17C | In the scheme | 11,033 |
| F17C2203/0629 | Two walls | F17C | In the scheme | 10,405 |
| F17C2201/054 | Size medium (>1 m3) | F17C | In the scheme | 10,327 |
| B60L53/53 | Batteries | B60L53/00 | In the scheme | 10,206 |
| C01B3/40 | Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst | C01B3/00 | In the scheme | 10,150 |
| F17C2221/011 | Oxygen | F17C | In the scheme | 10,120 |
| C01B3/34 | Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air by reaction of hydrocarbons with gasifying agents | C01B3/00 | In the scheme | 10,024 |
| F17C2203/0663 | Synthetics in form of fibers or filaments | F17C | In the scheme | 9,936 |
| F17C13/02 | Special adaptations of indicating, measuring, or monitoring equipment | F17C | In the scheme | 9,898 |
| F17C2205/0326 | Valves electrically actuated | F17C | In the scheme | 9,570 |
| F17C2201/0104 | Shape cylindrical | F17C | In the scheme | 9,421 |
| B60L53/38 | Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer | B60L53/00 | In the scheme | 9,410 |
| B60L53/302 | Cooling of charging equipment | B60L53/00 | In the scheme | 9,356 |
| C01B3/042 | Decomposition of water | C01B3/00 | In the scheme | 9,282 |
| F17C2205/0338 | Pressure regulators | F17C | In the scheme | 9,177 |
| B60L53/24 | Using the vehicle's propulsion converter for charging | B60L53/00 | In the scheme | 9,147 |
| F17C7/00 | Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass | F17C | In the scheme | 9,130 |
| F17C2270/0184 | Fuel cells | F17C | In the scheme | 9,122 |
| C01B3/36 | Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide or air by reaction of hydrocarbons with gasifying agents using oxygen; using mixtures containing oxygen as gasifying agents | C01B3/00 | In the scheme | 9,063 |
| B60L53/122 | Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil | B60L53/00 | In the scheme | 8,883 |
| F17C2260/011 | Improving strength | F17C | In the scheme | 8,637 |
| B60L53/51 | Photovoltaic means | B60L53/00 | In the scheme | 8,578 |
| F17C2203/0619 | Single wall with two layers | F17C | In the scheme | 8,568 |
| F17C2201/035 | Orientation with substantially horizontal main axis | F17C | In the scheme | 8,523 |
| F17C9/00 | Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure | F17C | In the scheme | 8,502 |
| B60L53/64 | Optimising energy costs, e.g. responding to electricity rates | B60L53/00 | In the scheme | 8,478 |
| F17C2209/221 | Welding | F17C | In the scheme | 8,457 |
| F17C2201/0119 | Shape cylindrical with flat end-piece | F17C | In the scheme | 8,423 |
| F17C2203/066 | Plastics | F17C | In the scheme | 8,358 |
| C01B3/16 | Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts | C01B3/00 | In the scheme | 7,820 |
| F17C2227/0157 | Compressors | F17C | In the scheme | 7,785 |
| F17C2265/066 | Fluid distribution for feeding engines for propulsion | F17C | In the scheme | 7,770 |
| B60L53/35 | Means for automatic or assisted adjustment of the relative position of charging devices and vehicles | B60L53/00 | In the scheme | 7,743 |
| F17C2203/0646 | Aluminium | F17C | In the scheme | 7,608 |
| F17C2265/065 | Fluid distribution for refuelling vehicle fuel tanks | F17C | In the scheme | 7,589 |
| F17C11/005 | Use of gas-solvents or gas-sorbents in vessels for hydrogen | F17C | In the scheme | 7,553 |
| F17C2201/0157 | Polygonal | F17C | In the scheme | 7,522 |
| F17C2270/0107 | Wall panels | F17C | In the scheme | 7,516 |
| C01B3/50 | Separation of hydrogen or hydrogen-containing gases from gaseous mixtures, e.g. purification | C01B3/00 | In the scheme | 7,456 |
| F17C2205/0329 | Valves manually actuated | F17C | In the scheme | 7,432 |
| F17C7/04 | Discharging liquefied gases with change of state, e.g. vaporisation | F17C | In the scheme | 7,342 |
| F17C2205/0335 | Check-valves or non-return valves | F17C | In the scheme | 7,339 |
| F17C2203/0391 | Thermal insulations by vacuum | F17C | In the scheme | 7,305 |
| F17C13/002 | Details of vessels or of the filling or discharging of vessels for vessels under pressure | F17C | In the scheme | 7,282 |
| F17C2260/042 | Reducing risk of explosion | F17C | In the scheme | 7,233 |
| C01B3/02 | Production of hydrogen; Production of gaseous mixtures containing hydrogen | C01B3/00 | In the scheme | 7,225 |
| F17C2203/0639 | Steels | F17C | In the scheme | 7,151 |
| B67D7/04 | Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants | B67D7/00 | In the scheme | 7,120 |
| F17C1/16 | Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials | F17C | In the scheme | 7,108 |
| F17C2250/0626 | Pressure | F17C | In the scheme | 6,977 |
| F17C2203/0636 | Metals | F17C | In the scheme | 6,940 |
| F17C2250/0636 | Flow or movement of content | F17C | In the scheme | 6,900 |
| F17C2221/013 | Carbon dioxide | F17C | In the scheme | 6,833 |
| C01B3/386 | Catalytic partial combustion | C01B3/00 | In the scheme | 6,691 |
| F17C2205/0394 | Arrangement of valves, regulators, filters in direct contact with the pressure vessel | F17C | In the scheme | 6,684 |
| F17C6/00 | Methods and apparatus for filling vessels not under pressure with liquefied or solidified gases | F17C | In the scheme | 6,658 |
| F17C13/06 | Closures, e.g. cap, breakable member | F17C | In the scheme | 6,609 |
| H02J15/00 | Systems for storing electric energy specially adapted for power networks | H02J15/00 | In the scheme | 6,589 |
| F17C2203/0617 | Single wall with one layer | F17C | In the scheme | 6,550 |
| F17C13/026 | Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter | F17C | In the scheme | 6,529 |
| C01B3/26 | Production of hydrogen; Production of gaseous mixtures containing hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons using catalysts | C01B3/00 | In the scheme | 6,259 |
| F17C2205/0382 | Constructional details of valves, regulators | F17C | In the scheme | 6,189 |
| F17C2225/036 | Very high pressure, i.e. above 80 bars | F17C | In the scheme | 6,134 |
| F17C13/001 | Thermal insulation specially adapted for cryogenic vessels | F17C | In the scheme | 6,126 |
| F17C5/02 | Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases | F17C | In the scheme | 6,111 |
| F17C2209/232 | Manufacturing of particular parts or at special locations of walls | F17C | In the scheme | 6,099 |
| F17C2205/0305 | Bosses, e.g. boss collars | F17C | In the scheme | 6,098 |
| F17C2270/0178 | Cars | F17C | In the scheme | 6,092 |
| F17C13/12 | Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures | F17C | In the scheme | 5,991 |
| F17C1/06 | Protecting sheathings built-up from wound-on bands or filamentary material, e.g. wires | F17C | In the scheme | 5,981 |
| F17C2203/0358 | Thermal insulations by solid means in form of panels | F17C | In the scheme | 5,977 |
| F17C3/025 | Bulk storage in barges or on ships | F17C | In the scheme | 5,884 |
| F17C13/004 | Details of vessels or of the filling or discharging of vessels for large storage vessels not under pressure | F17C | In the scheme | 5,865 |
| F17C2227/0393 | Localisation of heat exchange separate using a vaporiser | F17C | In the scheme | 5,850 |
| F17C2221/017 | Helium | F17C | In the scheme | 5,784 |
| F17C2205/0352 | Pipes | F17C | In the scheme | 5,768 |
| F17C2205/018 | Supporting feet | F17C | In the scheme | 5,735 |
| F17C13/084 | Mounting arrangements for vessels for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use | F17C | In the scheme | 5,730 |
| F17C2260/036 | Avoiding leaks | F17C | In the scheme | 5,688 |
| F17C3/027 | Wallpanels for so-called membrane tanks | F17C | In the scheme | 5,670 |
| F17C2270/0171 | Trucks | F17C | In the scheme | 5,636 |
| F17C7/02 | Discharging liquefied gases | F17C | In the scheme | 5,601 |
| F17C2265/05 | Regasification | F17C | In the scheme | 5,581 |
| F17C2205/0142 | Two or more vessels characterised by the presence of fluid connection between vessels bundled in parallel | F17C | In the scheme | 5,542 |
| F17C2270/0139 | Fuel stations | F17C | In the scheme | 5,521 |
| F17C2225/035 | High pressure, i.e. between 10 and 80 bars | F17C | In the scheme | 5,477 |