Hydrogen gas supply apparatus and hydrogen gas supply method
US-2026091343-A1 · Apr 2, 2026 · US
by separating
by separating · 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 | F17C2265/015 |
| Official title | by separating |
| Display label | by separating |
| Total patents | 39 |
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 | 3 |
| 2018 | 7 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrogen gas supply apparatus and hydrogen gas supply method
US-12515164-B2 · Jan 6, 2026 · US
Hydrate mitigation in a pipeline with vortex tubes
US-12383938-B2 · Aug 12, 2025 · US
Electrical power producing device
US-12180885-B2 · Dec 31, 2024 · US
System and method for supplying backup production in air separation device
US-12152834-B2 · Nov 26, 2024 · US
Hydrate Mitigation in a Pipeline with Vortex Tubes
US-2024269719-A1 · Aug 15, 2024 · US
System and method for gaseous hydrogen recovery in a hydrogen fueling station
US-12031684-B2 · Jul 9, 2024 · US
Hydrate mitigation in a pipeline with vortex tubes
US-11998959-B2 · Jun 4, 2024 · US
Electrical power producing device
US-2024068400-A1 · Feb 29, 2024 · US
Electrical power producing device
US-11828224-B1 · Nov 28, 2023 · US
System and method for gaseous hydrogen recovery in a hydrogen fueling station
US-2023107342-A1 · Apr 6, 2023 · US
Integrated nitrogen rejection for liquefaction of natural gas
US-2023076428-A1 · Mar 9, 2023 · US
Passive cryogen storage system
US-11447275-B1 · Sep 20, 2022 · US
Hydrate Mitigation in a Pipeline with Vortex Tubes
US-2022241825-A1 · Aug 4, 2022 · US
Hydrogen gas supply apparatus and hydrogen gas supply method
US-2022193600-A1 · Jun 23, 2022 · US
Process and device for vaporizing purge liquid from a cryogenic liquid vaporizer
US-2022163432-A1 · May 26, 2022 · US
Boil-off gas re-liquefying system
US-11242123-B2 · Feb 8, 2022 · US
Mobile liquefaction plant for liquefying helium, associated system, and associated use of the system
US-2021301979-A1 · Sep 30, 2021 · US
Device equipped with tank
US-10894475-B2 · Jan 19, 2021 · US
Device and method for processing boil-off gas in liquefied gas regasification system
US-2020393196-A1 · Dec 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F17C2265/015?
- CPC F17C2265/015 is the Cooperative Patent Classification code for “by separating.”
- How many patents are filed under CPC F17C2265/015 (by separating)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC F17C2265/015 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).