Method and device for manufacturing liquid hydrogen by offshore off-grid superconducting wind turbine
US-12429280-B2 · Sep 30, 2025 · US
separation of hydrogen (production of hydrogen containing gas in general C01B3/00, e.g. separation of hydrogen or hydrogen containing gases form gaseous mixtures at low temperatures C01B3/506)
separation of hydrogen (production of hydrogen containing gas in general C01B3/00, e.g. separation of hydrogen or hydrogen containing gases form gaseous mixtures at low temperatures C01B3/506) · 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 | F25J3/0655 |
| Official title | {separation of hydrogen (production of hydrogen containing gas in general C01B3/00, e.g. separation of hydrogen or hydrogen containing gases form gaseous mixtures at low temperatures C01B3/506)} |
| Display label | separation of hydrogen (production of hydrogen containing gas in general C01B3/00, e.g. separation of hydrogen or hydrogen containing gases form gaseous mixtures at low temperatures C01B3/506) |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 5 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process and Apparatus for Cracking Ammonia
US-2025296836-A1 · Sep 25, 2025 · US
Low-emission power generation system and method
US-2025256957-A1 · Aug 14, 2025 · US
Method for removing entrained liquid droplets from a cryogenic gas
US-2025186916-A1 · Jun 12, 2025 · US
Method for pressurizing a liquid exiting a phase separator
US-2025189219-A1 · Jun 12, 2025 · US
LNG reformer system
US-12179164-B2 · Dec 31, 2024 · US
Method and system for separating a gas mixture
US-2024382894-A1 · Nov 21, 2024 · US
Compression and separation device and compression process
US-12123418-B2 · Oct 22, 2024 · US
Process and apparatus for separating a mixture of hydrogen and carbon dioxide
US-2024240856-A1 · Jul 18, 2024 · US
Process and apparatus for separating a mixture of hydrogen and carbon dioxide
US-2024226803-A9 · Jul 11, 2024 · US
Method for separating hydrogen and nitrogen from cracked ammonia
US-2024208813-A1 · Jun 27, 2024 · US
Process and apparatus for separating a mixture of hydrogen and carbon dioxide
US-2024131470-A1 · Apr 25, 2024 · US
Method for production of h2 with high carbon capture ratio and efficiency
US-2024043273-A1 · Feb 8, 2024 · US
Integration of hydrogen liquefaction with gas processing units
US-11815309-B2 · Nov 14, 2023 · US
Method and device for manufacturing liquid hydrogen by offshore off-grid superconducting wind turbine
US-2023341180-A1 · Oct 26, 2023 · US
Method and system for separating a feed flow
US-2023266060-A1 · Aug 24, 2023 · US
Reforming system connected with a raw material gas vaporization system
US-11614280-B2 · Mar 28, 2023 · US
Lng reformer system
US-2022331768-A1 · Oct 20, 2022 · US
Paraffin dehydrogenation process and apparatus
US-11447707-B2 · Sep 20, 2022 · US
Method for separating carbon isotope and method for concentrating carbon isotope using the same
US-11413596-B2 · Aug 16, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25J3/0655?
- CPC F25J3/0655 is the Cooperative Patent Classification code for “separation of hydrogen (production of hydrogen containing gas in general C01B3/00, e.g. separation of hydrogen or hydrogen containing gases form gaseous mixtures at low temperatures C01B3/506).”
- How many patents are filed under CPC F25J3/0655 (separation of hydrogen (production of hydrogen containing gas in general C01B3/00, e.g. separation of hydrogen or hydrogen containing gases form gaseous mixtures at low temperatures C01B3/506))?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC F25J3/0655 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).