Production of pure hydrogen and synthesis gas or carbon with CUO-Fe2O3 oxygen carriers using chemical looping combustion and methane decomposition/reforming
US-10513436-B1 · Dec 24, 2019 · US
Processes for making hydrogen or synthesis gas
Processes for making hydrogen or synthesis gas · 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 | C01B2203/02 |
| Official title | Processes for making hydrogen or synthesis gas |
| Display label | Processes for making hydrogen or synthesis gas |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 17 |
| 2017 | 11 |
| 2018 | 10 |
| 2019 | 12 |
| 2020 | 5 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for fuel conversion
US-10501318-B2 · Dec 10, 2019 · US
Production of alkali sulfide cathode material and methods for processing hydrogen sulfide
US-10399853-B2 · Sep 3, 2019 · US
Gas-solids separation system having a partitioned solids transfer conduit
US-10329506-B2 · Jun 25, 2019 · US
Process for producing a synthesis gas
US-2019152776-A1 · May 23, 2019 · US
Syn-gas system for generating power and hydrogen
US-2019135627-A1 · May 9, 2019 · US
Process for generating power and hydrogen gas
US-2019135628-A1 · May 9, 2019 · US
Methods for fuel conversion
US-2019055123-A1 · Feb 21, 2019 · US
Reactor for release of hydrogen from a liquid compound
US-10196264-B2 · Feb 5, 2019 · US
System for cogeneration of power and hydrogen
US-10189709-B2 · Jan 29, 2019 · US
System for cogeneration of power and hydrogen
US-2018370796-A1 · Dec 27, 2018 · US
Methods for fuel conversion
US-10144640-B2 · Dec 4, 2018 · US
Gas-solids separation system having a partitioned solids transfer conduit
US-2018290094-A1 · Oct 11, 2018 · US
Integration of molten carbonate fuel cells in iron and steel processing
US-10093997-B2 · Oct 9, 2018 · US
Module for use on-board a vehicle, for decomposing an ammonia precursor using a catalyst
US-2018209320-A1 · Jul 26, 2018 · US
Efficient process for converting heavy oil to gasoline
US-2018171241-A1 · Jun 21, 2018 · US
Integrated power generation and carbon capture using fuel cells
US-9941534-B2 · Apr 10, 2018 · US
Methods for conversion of co2 into syngas
US-2018093888-A1 · Apr 5, 2018 · US
Production of Alkali Sulfide Cathode Material and Methods for Processing Hydrogen Sulfide
US-2018016144-A1 · Jan 18, 2018 · US
Inherently safe oxygen/hydrocarbon gas mixer
US-2018009662-A1 · Jan 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2203/02?
- CPC C01B2203/02 is the Cooperative Patent Classification code for “Processes for making hydrogen or synthesis gas.”
- How many patents are filed under CPC C01B2203/02 (Processes for making hydrogen or synthesis gas)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC C01B2203/02 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).