Hydrogen compression system
US-12385674-B2 · Aug 12, 2025 · US
Reversible storage of hydrogen, e.g. by hydrogen getters or electrodes · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B3/0005 |
| Official title | Reversible storage of hydrogen, e.g. by hydrogen getters or electrodes |
| Display label | Reversible storage of hydrogen, e.g. by hydrogen getters or electrodes |
| Total patents | 66 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 10 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12385674-B2 · Aug 12, 2025 · US
US-12372205-B2 · Jul 29, 2025 · US
US-2025052374-A1 · Feb 13, 2025 · US
US-12181048-B2 · Dec 31, 2024 · US
US-12134559-B2 · Nov 5, 2024 · US
US-2024151436-A1 · May 9, 2024 · US
US-2024110626-A1 · Apr 4, 2024 · US
US-11850546-B2 · Dec 26, 2023 · US
US-2023399227-A1 · Dec 14, 2023 · US
US-11718520-B2 · Aug 8, 2023 · US
US-2023202836-A1 · Jun 29, 2023 · US
US-2023182100-A1 · Jun 15, 2023 · US
US-2023159324-A1 · May 25, 2023 · US
US-11524271-B2 · Dec 13, 2022 · US
US-2022290756-A1 · Sep 15, 2022 · US
US-2022152548-A1 · May 19, 2022 · US
US-11332836-B2 · May 17, 2022 · US
US-11332835-B2 · May 17, 2022 · US
US-11326772-B2 · May 10, 2022 · US
US-11285428-B2 · Mar 29, 2022 · US
Answers are generated from the same data shown on this page.