Device for storing and supplying cryogenic fluid, in particular liquefied hydrogen
US-2025283579-A1 · Sep 11, 2025 · US
comprising a communication hole between chambers
comprising a communication hole between chambers · 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 | F17C2201/0171 |
| Official title | comprising a communication hole between chambers |
| Display label | comprising a communication hole between chambers |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 7 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite pressure vessel assembly and method of manufacturing
US-12410887-B2 · Sep 9, 2025 · US
Low profile flat bombe for LPG storage and method for manufacturing the same
US-12404975-B2 · Sep 2, 2025 · US
Gas tank structure
US-2025271103-A1 · Aug 28, 2025 · US
Tank with at least one anti-sloshing wall arrangement, and aircraft with such tank
US-2024359808-A1 · Oct 31, 2024 · US
Fuel tank for an aircraft, fuselage of an aircraft, and aircraft
US-2024359809-A1 · Oct 31, 2024 · US
Apparatus and method for controlling fuel tank
US-12129967-B2 · Oct 29, 2024 · US
Device for storing a pressurized gas, in particular hydrogen
US-2024151352-A1 · May 9, 2024 · US
Low profile flat bombe for lpg storage and method for manufacturing the same
US-2024102611-A1 · Mar 28, 2024 · US
Double-wall tank and an assembling method of said double-wall tank
US-2024084970-A1 · Mar 14, 2024 · US
Low profile flat bombe for LPG storage and method for manufacturing the same
US-11885464-B2 · Jan 30, 2024 · US
Vehicle having a storage assembly for storing and dispensing a pressurised gas, and storage assembly for a vehicle
US-11549642-B2 · Jan 10, 2023 · US
Low profile flat bombe for lpg storage and method for manufacturing the same
US-2022381402-A1 · Dec 1, 2022 · US
Apparatus and method for controlling fuel tank
US-2022364682-A1 · Nov 17, 2022 · US
Tank for a spacecraft engine
US-11427354-B2 · Aug 30, 2022 · US
Cryogenic container with reserve pressure building chamber
US-11346504-B2 · May 31, 2022 · US
Tank for a spacecraft engine
US-2021403180-A1 · Dec 30, 2021 · US
Composite pressure vessel assembly with an integrated nozzle assembly
US-11137112-B2 · Oct 5, 2021 · US
Composite pressure vessel assembly with an integrated nozzle assembly
US-11047529-B2 · Jun 29, 2021 · US
Vehicle Having A Storage Assembly For Storing And Dispensing A Pressurised Gas, And Storage Assembly For A Vehicle
US-2021164615-A1 · Jun 3, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F17C2201/0171?
- CPC F17C2201/0171 is the Cooperative Patent Classification code for “comprising a communication hole between chambers.”
- How many patents are filed under CPC F17C2201/0171 (comprising a communication hole between chambers)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC F17C2201/0171 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).