Fuel supply system for hydrogen aircraft, and tank internal pressure adjustment method
US-2024263745-A1 · Aug 8, 2024 · US
Mechanical Engineering
Mechanical Engineering · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F17C7/02 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 254 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 6 |
| 2017 | 26 |
| 2018 | 19 |
| 2019 | 24 |
| 2020 | 23 |
| 2021 | 21 |
| 2022 | 19 |
| 2023 | 30 |
| 2024 | 36 |
| 2025 | 26 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Single use valves
US-10088072-B2 · Oct 2, 2018 · US
Cryogenic container with reserve pressure building chamber
US-2018202609-A1 · Jul 19, 2018 · US
Diffusion horn
US-9993778-B2 · Jun 12, 2018 · US
Method and system for carbon dioxide energy storage in a power generation system
US-2018156074-A1 · Jun 7, 2018 · US
Interchangeable dosing arm device, system and method
US-2018119884-A1 · May 3, 2018 · US
System and method for transporting methane
US-2018099732-A1 · Apr 12, 2018 · US
Cryogenic liquid delivery system and method with active pressure building capabilities
US-9903534-B2 · Feb 27, 2018 · US
Lpg bombe cooling system of bi-fuel vehicle
US-2018017021-A1 · Jan 18, 2018 · US
Method and system for treating a liquefied gas
US-9851052-B2 · Dec 26, 2017 · US
Diffusion horn
US-2017354935-A1 · Dec 14, 2017 · US
A cryogenic tank arrangement and a marine vessel provided with the same
US-2017343161-A1 · Nov 30, 2017 · US
Natural gas liquefaction system
US-9829245-B2 · Nov 28, 2017 · US
Method and device for filling a tank with liquefied gas
US-9765931-B2 · Sep 19, 2017 · US
Coil system for a magnetic resonance tomography system
US-9759787-B2 · Sep 12, 2017 · US
Method and device for filling a tank with liquefied gas
US-9759381-B2 · Sep 12, 2017 · US
Heat exchange system between liquefied natural gas and heat dissipation apparatus
US-2017254480-A1 · Sep 7, 2017 · US
Heat management system and method for cryogenic liquid dispensing systems
US-9752727-B2 · Sep 5, 2017 · US
Liquefied gas treatment system for vessel
US-9739420-B2 · Aug 22, 2017 · US
System and method for processing liquefied gas
US-9726327-B2 · Aug 8, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F17C7/02?
- CPC F17C7/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F17C7/02 (Mechanical Engineering)?
- Our database includes 254 publications tagged with this CPC code.
- Is patent activity under CPC F17C7/02 growing?
- Publication counts under this code: 36 in 2024 vs 26 in 2025 (latest complete years).