Method of chemical looping reforming at low temperatures with hydrogen from water splitting
US-11845660-B2 · Dec 19, 2023 · 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 | C01B3/42 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 84 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 11 |
| 2022 | 8 |
| 2023 | 8 |
| 2024 | 12 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydro deoxygenation catalyst, a fixed bed tandem catalytic reactor, a method for preparing hydrogen and a method for preparing biofuel from biomass
US-11801497-B2 · Oct 31, 2023 · US
Power generation using hydrogen fuel with economical carbon dioxide capture
US-11738996-B2 · Aug 29, 2023 · US
Black powder catalyst for hydrogen production via dry reforming
US-11724943-B2 · Aug 15, 2023 · US
Process and a system for producing synthesis gas
US-11643609-B2 · May 9, 2023 · US
Integrated process for producing BTX and hydrogen from shale gas with feeding of carbon dioxide
US-11578018-B1 · Feb 14, 2023 · US
System and method for recycling pressure swing absorber off-gas
US-11535514-B2 · Dec 27, 2022 · US
Conversion of ammonium nitrate into useful products
US-11518685-B2 · Dec 6, 2022 · US
Mesoporous support-immobilized metal oxide-based nanoparticles
US-2022288568-A1 · Sep 15, 2022 · US
Apparatus for enclosing a chemical looping process
US-2022241745-A1 · Aug 4, 2022 · US
Black powder catalyst for hydrogen production via dry reforming
US-2022212949-A1 · Jul 7, 2022 · US
Reactor for endothermic high-temperature reactions
US-2022152568-A1 · May 19, 2022 · US
A hydro deoxygenation catalyst, a fixed bed tandem catalytic reactor, a method for preparing hydrogen and a method for preparing biofuel from biomass
US-2022072519-A1 · Mar 10, 2022 · US
Dry reforming of hydrocarbons
US-2022009774-A1 · Jan 13, 2022 · US
Dry Reforming of Methane with Carbon Dioxide at Elevated Pressure
US-2021380408-A1 · Dec 9, 2021 · US
Power generation using hydrogen fuel with economical carbon dioxide capture
US-2021363006-A1 · Nov 25, 2021 · US
Chemical looping syngas production from carbonaceous fuels
US-11111143-B2 · Sep 7, 2021 · US
Advanced steam cracking
US-11103844-B2 · Aug 31, 2021 · US
System and method for recycling pressure swing absorber off-gas
US-2021261409-A1 · Aug 26, 2021 · US
Reactor system with unequal reactor assembly operating pressures
US-11090624-B2 · Aug 17, 2021 · US
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B3/42?
- CPC C01B3/42 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B3/42 (Chemistry & Metallurgy)?
- Our database includes 84 publications tagged with this CPC code.
- Is patent activity under CPC C01B3/42 growing?
- Publication counts under this code: 12 in 2024 vs 8 in 2025 (latest complete years).