Auto thermal reforming (ATR) catalytic structures
US-10093542-B2 · Oct 9, 2018 · 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 | C01B3/503 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 178 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 19 |
| 2017 | 16 |
| 2018 | 19 |
| 2019 | 11 |
| 2020 | 15 |
| 2021 | 12 |
| 2022 | 19 |
| 2023 | 13 |
| 2024 | 13 |
| 2025 | 14 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transfer line
US-2017312701-A1 · Nov 2, 2017 · US
Methods of purifying a hydrogen gas stream containing hydrogen sulfide impurities
US-9806365-B2 · Oct 31, 2017 · US
Fluid Separation Processes Using Membranes Based on Fluorinated and Perfluorinated Polymers
US-2017259204-A1 · Sep 14, 2017 · US
Auto thermal reforming (ATR) catalytic structures
US-9745191-B2 · Aug 29, 2017 · US
Hydrogen quality monitor
US-9726635-B2 · Aug 8, 2017 · US
Electrode-support type of gas-separation membrane module, tubular structure of same, production method for tubular structure, and hydrocarbon reforming method using same
US-9724640-B2 · Aug 8, 2017 · US
Membrane-electrode assembly, reactor comprising the membrane-electrode assembly and process for separating off hydrogen
US-2017204525-A1 · Jul 20, 2017 · US
Gas Separation Membranes Based on Fluorinated and Perfluorinated Polymers
US-2017203251-A1 · Jul 20, 2017 · US
Chemically stable ceramic-metal composite membrane for hydrogen separation
US-9687775-B2 · Jun 27, 2017 · US
Process for separation and purification of renewable propane
US-9682903-B2 · Jun 20, 2017 · US
Ultra-thin, Pinhole-free, Flexible Metal-Organic Films
US-2017158809-A1 · Jun 8, 2017 · US
Sweep membrane separator and fuel processing systems
US-2017141422-A1 · May 18, 2017 · US
Gas separation membranes based on fluorinated and perfluorinated polymers
US-9636632-B2 · May 2, 2017 · US
Asymmetric gas separation membrane, and methods for separating and recovering gases
US-2017095768-A1 · Apr 6, 2017 · US
Process for separation and purification of renewable propane
US-2017081262-A1 · Mar 23, 2017 · US
Sweep membrane separator and fuel processing systems
US-9583776-B2 · Feb 28, 2017 · US
Proton conducting membranes for hydrogen production and separation
US-9527044-B2 · Dec 27, 2016 · US
Graphene membranes and methods for making and using the same
US-2016317979-A1 · Nov 3, 2016 · US
Compatibilized immiscible polymer blends and molecular sieve membranes thereof
US-2016263534-A1 · Sep 15, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B3/503?
- CPC C01B3/503 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B3/503 (Chemistry & Metallurgy)?
- Our database includes 178 publications tagged with this CPC code.
- Is patent activity under CPC C01B3/503 growing?
- Publication counts under this code: 13 in 2024 vs 14 in 2025 (latest complete years).