Systems, Devices and Methods for Input and Output Pressure Management of Air Breathing Engine Reformers
US-2024017993-A1 · Jan 18, 2024 · 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 | C07C29/151 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 140 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 6 |
| 2017 | 14 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 21 |
| 2021 | 8 |
| 2022 | 14 |
| 2023 | 18 |
| 2024 | 13 |
| 2025 | 11 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process and Apparatus for Converting Carbon Dioxide Into Methanol
US-2020377435-A1 · Dec 3, 2020 · US
Method for Recycling Carbon Dioxide
US-2020325026-A1 · Oct 15, 2020 · US
Process for the production of formaldehyde-stabilized urea
US-10759744-B2 · Sep 1, 2020 · US
Process for methanol production
US-2020223776-A1 · Jul 16, 2020 · US
Supported indium oxide catalyst and process for methanol synthesis using the same
US-10668450-B2 · Jun 2, 2020 · US
Process for the production of formaldeyde-stabilized urea
US-2020109108-A1 · Apr 9, 2020 · US
Combined system for producing steel and method for operating the combined system
US-10604816-B2 · Mar 31, 2020 · US
Process comprising exothermal catalytic reaction of a synthesis gas and related plant
US-2020031664-A1 · Jan 30, 2020 · US
Mixture for Use as a Liquid Sorption Agent in Methanol Synthesis and Methanol Synthesis Process Using Said Mixture
US-2020031748-A1 · Jan 30, 2020 · US
Reactor and method for maximizing methanol yield by using catalyst layers
US-2020001261-A1 · Jan 2, 2020 · US
Process for the production of formaldehyde-stabilized urea
US-10479761-B2 · Nov 19, 2019 · US
Process for the production of formaldehyde-stabilised urea
US-2019263753-A1 · Aug 29, 2019 · US
Method for producing butadiene and device for producing butadiene
US-10358395-B2 · Jul 23, 2019 · US
Methanol process
US-10308575-B2 · Jun 4, 2019 · US
Integrated pyrolysis and oxygenate to olefin process
US-10246385-B2 · Apr 2, 2019 · US
Method for producing high-efficiency methanol capable of reducing emission of carbon dioxide
US-10214469-B2 · Feb 26, 2019 · US
Production of aromatics and C2+olefins
US-10167361-B2 · Jan 1, 2019 · US
Systems and methods for producing dimethyl ether from natural gas
US-10160708-B2 · Dec 25, 2018 · US
System and method for producing methanol
US-2018354877-A1 · Dec 13, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C29/151?
- CPC C07C29/151 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C07C29/151 (Chemistry & Metallurgy)?
- Our database includes 140 publications tagged with this CPC code.
- Is patent activity under CPC C07C29/151 growing?
- Publication counts under this code: 13 in 2024 vs 11 in 2025 (latest complete years).