Method for syngas substitution to syngas generator burners to prevent syngas generator trip
US-2025346488-A1 · Nov 13, 2025 · US
Adjusting the pressure
Adjusting the pressure · 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 | C01B2203/1638 |
| Official title | Adjusting the pressure |
| Display label | Adjusting the pressure |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 7 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process design enabling carbon byproduct separation for sustainable hydrogen production in methane pyrolysis process
US-2025313457-A1 · Oct 9, 2025 · US
Apparatuses and methods for hydrogen production
US-12358794-B2 · Jul 15, 2025 · US
Methods and apparatuses for hydrogen production
US-12358793-B2 · Jul 15, 2025 · US
Operation method and operation system for simultaneous production of high-purity hydrogen and synthesis gas
US-2025197213-A1 · Jun 19, 2025 · US
Process for producing hydrogen, carbon monoxide, and carbon from methane-containing feedstock
US-2025042732-A1 · Feb 6, 2025 · US
Apparatuses and methods for hydrogen production
US-2025033961-A1 · Jan 30, 2025 · US
System for decomposing ammonia and method of decomposing ammonia
US-2025026635-A1 · Jan 23, 2025 · US
Feed gas reforming system and method of controlling the same
US-12195335-B2 · Jan 14, 2025 · US
Methods and apparatuses for hydrogen production
US-2024391769-A1 · Nov 28, 2024 · US
Methods and apparatuses for hydrogen production
US-12145847-B2 · Nov 19, 2024 · US
Apparatuses and methods for hydrogen production
US-12139405-B2 · Nov 12, 2024 · US
Process and system for producing a gas comprising nitrogen (n2) and hydrogen (h2) by combustion of hydrogen in the presence of air
US-2024286893-A1 · Aug 29, 2024 · US
Process and plant for the production of synthesis gas by means of catalytic steam reformation of a hydrocarbonaceous feed gas
US-12024428-B2 · Jul 2, 2024 · US
Process for producing hydrogen, carbon monoxide, and carbon from methane-containing feedstock
US-2024124301-A1 · Apr 18, 2024 · US
Methods and apparatuses for hydrogen production
US-2024043272-A1 · Feb 8, 2024 · US
Solid hydride flow reactor
US-11827516-B2 · Nov 28, 2023 · US
Oxy-fuel heated hydrogen production process
US-11814288-B2 · Nov 14, 2023 · US
Steam reforming
US-2023322551-A1 · Oct 12, 2023 · US
Apparatuses and methods for hydrogen production
US-2023322553-A1 · Oct 12, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2203/1638?
- CPC C01B2203/1638 is the Cooperative Patent Classification code for “Adjusting the pressure.”
- How many patents are filed under CPC C01B2203/1638 (Adjusting the pressure)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC C01B2203/1638 growing?
- Publication counts under this code: 7 in 2024 vs 9 in 2025 (latest complete years).