Fuel cell system
US-11799118-B2 · Oct 24, 2023 · US
by heat exchange with exothermic reactions, other than by combustion of fuel
by heat exchange with exothermic reactions, other than by combustion of fuel · 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 | C01B2203/0838 |
| Official title | by heat exchange with exothermic reactions, other than by combustion of fuel |
| Display label | by heat exchange with exothermic reactions, other than by combustion of fuel |
| Total patents | 90 |
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 | 8 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 18 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 14 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for production, storage, and transportation of hydrogen
US-2023212004-A1 · Jul 6, 2023 · US
Integrated production of hydrogen, electricity, and heat
US-2023163335-A1 · May 25, 2023 · US
Systems and methods for power production with integrated production of hydrogen
US-11506122-B2 · Nov 22, 2022 · US
Fuel cell system
US-2022293992-A1 · Sep 15, 2022 · US
Integrated production of hydrogen, electricity, and heat
US-2022285712-A1 · Sep 8, 2022 · US
Hybrid dehydrogenation reaction system
US-2022255101-A1 · Aug 11, 2022 · US
Reformer tube having a structured catalyst and improved heat balance
US-11351517-B2 · Jun 7, 2022 · US
Electricity generation devices using formic acid
US-2022149404-A1 · May 12, 2022 · US
Parallel reforming in chemical plant
US-2022081291-A1 · Mar 17, 2022 · US
Electricity generation devices using formic acid
US-11258085-B2 · Feb 22, 2022 · US
Process and plant for preparation of hydrogen and separation of carbon dioxide
US-2022048768-A1 · Feb 17, 2022 · US
Process for the synthesis of ammonia
US-11155468-B2 · Oct 26, 2021 · US
Reforming system connected with a raw material gas vaporization system
US-2021140706-A1 · May 13, 2021 · US
Method and system combination for the preparation of synthesis products containing nitrogen
US-2020317533-A1 · Oct 8, 2020 · US
Process for the synthesis of ammonia
US-2020290885-A1 · Sep 17, 2020 · US
Process for the production of formaldehyde-stabilized urea
US-10759744-B2 · Sep 1, 2020 · US
Process for the synthesis of ammonia
US-10710893-B2 · Jul 14, 2020 · US
Process for the production of formaldeyde-stabilized urea
US-2020109108-A1 · Apr 9, 2020 · US
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
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2203/0838?
- CPC C01B2203/0838 is the Cooperative Patent Classification code for “by heat exchange with exothermic reactions, other than by combustion of fuel.”
- How many patents are filed under CPC C01B2203/0838 (by heat exchange with exothermic reactions, other than by combustion of fuel)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC C01B2203/0838 growing?
- Publication counts under this code: 8 in 2024 vs 14 in 2025 (latest complete years).