Method of operating a cold cryogenic liquid supply chain
US-2023160529-A1 · May 25, 2023 · US
requiring the use of refrigeration, e.g. filling with helium or hydrogen
requiring the use of refrigeration, e.g. filling with helium or hydrogen · 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 | F17C5/04 |
| Official title | requiring the use of refrigeration, e.g. filling with helium or hydrogen |
| Display label | requiring the use of refrigeration, e.g. filling with helium or hydrogen |
| Total patents | 91 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 8 |
| 2019 | 11 |
| 2020 | 7 |
| 2021 | 8 |
| 2022 | 11 |
| 2023 | 7 |
| 2024 | 15 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for filling a tank with liquefied gas
US-11499676-B2 · Nov 15, 2022 · US
Cryogenic fluid coupling
US-2022282837-A1 · Sep 8, 2022 · US
Method for minimizing power demand for hydrogen refueling station
US-11391415-B1 · Jul 19, 2022 · US
Cryogenic transfer line coupling assembly
US-11384883-B2 · Jul 12, 2022 · US
Method for minimizing power demand for hydrogen refueling station
US-2022205591-A1 · Jun 30, 2022 · US
Methods and systems for improving hydrogen refueling
US-11339926-B2 · May 24, 2022 · US
Hybrid refueling station and method for refueling
US-2022090739-A1 · Mar 24, 2022 · US
Method and filling device for filling a transport tank
US-2022082210-A1 · Mar 17, 2022 · US
Device and method for filling with liquefied gas
US-2022042649-A1 · Feb 10, 2022 · US
Automated cryogenic refilling system
US-11236863-B2 · Feb 1, 2022 · US
Method for filling a tank with liquefied gas
US-2022026025-A1 · Jan 27, 2022 · US
Compression apparatus and filling station comprising such an apparatus
US-2021332950-A1 · Oct 28, 2021 · US
Mobile liquefaction plant for liquefying helium, associated system, and associated use of the system
US-2021301979-A1 · Sep 30, 2021 · US
Integrated tube-trailer and stationary ground storage system and method for enhanced pressure consolidation operations for refueling of gaseous fuels
US-11105469-B2 · Aug 31, 2021 · US
Method and facility for storing and distributing liquefied hydrogen
US-2021254789-A1 · Aug 19, 2021 · US
Method for delivering liquefied gas
US-2021247027-A1 · Aug 12, 2021 · US
Cryogenic transfer line coupling assembly
US-2021239257-A1 · Aug 5, 2021 · US
Method and installation for storing and dispensing liquefied hydrogen
US-11073245-B2 · Jul 27, 2021 · US
Vehicle and method for filling fuel gas
US-10995913-B2 · May 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F17C5/04?
- CPC F17C5/04 is the Cooperative Patent Classification code for “requiring the use of refrigeration, e.g. filling with helium or hydrogen.”
- How many patents are filed under CPC F17C5/04 (requiring the use of refrigeration, e.g. filling with helium or hydrogen)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC F17C5/04 growing?
- Publication counts under this code: 15 in 2024 vs 9 in 2025 (latest complete years).