Getter activation and use
US-12594541-B2 · Apr 7, 2026 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B3/0057 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for in-situ hydrogen absorption and hydrolysis hydrogen production based on magnesium-based solid hydrogen storage alloy and use thereof
US-2026001759-A1 · Jan 1, 2026 · US
Hydrogen compression system
US-12385674-B2 · Aug 12, 2025 · US
Organic hydrogen storage material dehydrogenation catalyst, support for the catalyst, hydrogen-storage alloy, and process for providing high purity hydrogen gas
US-12383887-B2 · Aug 12, 2025 · US
Organic hydrogen storage material dehydrogenation catalyst, support for the catalyst, hydrogen-storage alloy, and process for providing high-purity hydrogen gas
US-12371762-B2 · Jul 29, 2025 · US
Organic hydrogen storage material dehydrogenation catalyst, support for the catalyst, hydrogen-storage alloy, and process for providing high-purity hydrogen gas
US-12365968-B2 · Jul 22, 2025 · US
Hydrogen compression system
US-12258271-B2 · Mar 25, 2025 · US
Getter activation and use
US-2024299909-A1 · Sep 12, 2024 · US
Solid hydrogen storage system
US-12066151-B2 · Aug 20, 2024 · US
Hydrogen compression system
US-2024151436-A1 · May 9, 2024 · US
Method of estimating life of nickel-metal hydride battery
US-2024118348-A1 · Apr 11, 2024 · US
Integrated system and method for hydrogen purification, storage and pressurization
US-11873221-B1 · Jan 16, 2024 · US
Integrated system and method for hydrogen purification, storage and pressurization
US-2023416086-A1 · Dec 28, 2023 · US
Hydrogen compression system
US-2023271826-A1 · Aug 31, 2023 · US
Organic hydrogen storage raw material dehydrogenation catalyst, carrier of catalyst, hydrogen storage alloy, and method for providing high-purity hydrogen gas
US-2022315419-A1 · Oct 6, 2022 · US
Solid hydrogen storage system
US-2022299166-A1 · Sep 22, 2022 · US
Catalyst for dehydrogenating organic hydrogen storage raw material, carrier for catalyst, hydrogen storage alloy, and method for providing high purity hydrogen
US-2022258133-A1 · Aug 18, 2022 · US
Organic hydrogen storage raw material dehydrogenation catalyst, carrier of the catalyst, hydrogen storage alloy, and method for providing high-purity hydrogen
US-2022227623-A1 · Jul 21, 2022 · US
High pressure type hydride secondary battery
US-10923780-B2 · Feb 16, 2021 · US
Hydrogen occlusion cartridge
US-2020002163-A1 · Jan 2, 2020 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B3/0057?
- CPC C01B3/0057 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B3/0057 (Chemistry & Metallurgy)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC C01B3/0057 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).