Compressor device and method for controlling compressor device
US-2024011174-A1 · Jan 11, 2024 · US
Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J)
Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J) · 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 | C01B3/00 |
| Official title | Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J) |
| Display label | Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J) |
| Total patents | 155 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 6 |
| 2017 | 17 |
| 2018 | 14 |
| 2019 | 19 |
| 2020 | 11 |
| 2021 | 17 |
| 2022 | 13 |
| 2023 | 14 |
| 2024 | 16 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Production of products with favourable ghg emission reductions from cellulosic feedstocks
US-2019382803-A1 · Dec 19, 2019 · US
Gas supply system
US-2019368426-A1 · Dec 5, 2019 · US
Microorganisms and methods for the production of butadiene using acetyl-CoA
US-10487342-B2 · Nov 26, 2019 · US
Production of products with favourable GHG emission reductions from cellulosic feedstocks
US-10428353-B2 · Oct 1, 2019 · US
Systems and methods of carbon fixation using solventogenic clostridium beijerinckii
US-2019211302-A1 · Jul 11, 2019 · US
Production of products with favourable GHG emission reductions from cellulosic feedstocks
US-10266853-B2 · Apr 23, 2019 · US
Low volatility, high efficiency gas barrier coating for cryo-compressed hydrogen tanks
US-2019055372-A1 · Feb 21, 2019 · US
Monitoring system for annular scrubbers
US-10155195-B2 · Dec 18, 2018 · US
Gaseous hydrogen storage system with cryogenic supply
US-2018346313-A1 · Dec 6, 2018 · US
Low volatility, high efficiency gas barrier coating for cryo-compressed hydrogen tanks
US-10138340-B2 · Nov 27, 2018 · US
Process for the treatment of a hydrocarbon feed comprising hydrogen and C1 to C4 hydrocarbons
US-10100260-B2 · Oct 16, 2018 · US
Boron-containing dopant compositions, systems and methods of use thereof for improving ion beam current and performance during boron ion implantation
US-10090133-B2 · Oct 2, 2018 · US
Dye-sensitized TiO2 hybrid system with rhenium and cobalt catalysts for producing hydrogen/carbon monoxide syngas
US-10072215-B2 · Sep 11, 2018 · US
Hydrogen storage method and system
US-10017324-B2 · Jul 10, 2018 · US
Fluid handling device for liquid hydrogen
US-2018187821-A1 · Jul 5, 2018 · US
Hydrogen storage carbon material
US-2018179057-A1 · Jun 28, 2018 · US
Fuel cell system
US-2018183077-A1 · Jun 28, 2018 · US
Dye-sensitized tio2 hybrid system with rhenium and cobalt catalysts for producing hydrogen/carbon monoxide syngas
US-2018171236-A1 · Jun 21, 2018 · US
Nanocrystalline composite catalyst for storing/supplying hydrogen, nanocrystalline composite catalyst mixture for storing/supplying hydrogen, and method for supplying hydrogen
US-2018134550-A1 · May 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B3/00?
- CPC C01B3/00 is the Cooperative Patent Classification code for “Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J).”
- How many patents are filed under CPC C01B3/00 (Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J))?
- Our database includes 155 publications tagged with this CPC code.
- Is patent activity under CPC C01B3/00 growing?
- Publication counts under this code: 16 in 2024 vs 11 in 2025 (latest complete years).