Device and method for liquefying a fluid such as hydrogen and/or helium
US-12498171-B2 · Dec 16, 2025 · US
Adaptations for refrigeration plants · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01D15/005 |
| Official title | {Adaptations for refrigeration plants} |
| Display label | Adaptations for refrigeration plants |
| Total patents | 62 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 7 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 3 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12498171-B2 · Dec 16, 2025 · US
US-12422185-B2 · Sep 23, 2025 · US
US-2025121315-A1 · Apr 17, 2025 · US
US-12146501-B2 · Nov 19, 2024 · US
US-2024310116-A1 · Sep 19, 2024 · US
US-2024151464-A1 · May 9, 2024 · US
US-11976878-B2 · May 7, 2024 · US
US-2024142170-A1 · May 2, 2024 · US
US-2024125547-A1 · Apr 18, 2024 · US
US-11834618-B1 · Dec 5, 2023 · US
US-2023375259-A1 · Nov 23, 2023 · US
US-2023279865-A1 · Sep 7, 2023 · US
US-11739654-B2 · Aug 29, 2023 · US
US-11692557-B2 · Jul 4, 2023 · US
US-11686214-B2 · Jun 27, 2023 · US
US-11661858-B2 · May 30, 2023 · US
US-2023068126-A1 · Mar 2, 2023 · US
US-11578615-B1 · Feb 14, 2023 · US
US-11519294-B2 · Dec 6, 2022 · US
US-2022298924-A1 · Sep 22, 2022 · US
Answers are generated from the same data shown on this page.