Operation method for hydrogen production apparatus and control device for hydrogen production apparatus
US-12148961-B2 · Nov 19, 2024 · US
Controlling the pressure
Controlling 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 | C01B2203/1628 |
| Official title | Controlling the pressure |
| Display label | Controlling the pressure |
| Total patents | 83 |
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 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 18 |
| 2023 | 16 |
| 2024 | 13 |
| 2025 | 18 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems, methods and materials for stable phase syngas generation
US-12134560-B2 · Nov 5, 2024 · US
Process for the production of hydrogen through electrification of water gas shift reaction
US-2024351866-A1 · Oct 24, 2024 · US
Methods for forming gas products from hydrocarbon feeds
US-2024336479-A1 · Oct 10, 2024 · US
Manufacturing Method and Manufacturing Apparatus of Syngas, and Manufacturing Method of Liquid Hydrocarbon Using the Same
US-2024301307-A1 · Sep 12, 2024 · US
Method for preparing biochar and hydrogen by utilizing anaerobic fermentation byproducts
US-11939528-B2 · Mar 26, 2024 · US
Operation method for hydrogen production apparatus and control device for hydrogen production apparatus
US-11916266-B2 · Feb 27, 2024 · US
Syngas compositions
US-2024051822-A1 · Feb 15, 2024 · US
Methods for processing a hydrocarbon oil feed stream utilizing a delayed coker, steam enhanced catalytic cracker, and an aromatics complex
US-2024018433-A1 · Jan 18, 2024 · US
Metal Hydride Fuel Sources For Vehicle Operation and Pressure-Based Control Systems and Methods
US-2023402629-A1 · Dec 14, 2023 · US
Method of producing a hydrogen-enriched product and recovering CO2 in a hydrogen production process unit
US-11814287-B2 · Nov 14, 2023 · US
Method of recovering a hydrogen enriched product and CO2 in a hydrogen production unit
US-11807532-B2 · Nov 7, 2023 · US
Dehydrogenation method and hydrogen production system using the same
US-2023348266-A1 · Nov 2, 2023 · US
Sorption-enhanced water-gas shift process for the formation of a CO2 product stream and an H2 product stream
US-2023331547-A1 · Oct 19, 2023 · US
Method for generating hydrogen
US-11780729-B2 · Oct 10, 2023 · US
Process for the production of hydrogen-enriched synthesis gas
US-2023303391-A1 · Sep 28, 2023 · US
Methane cracking apparatus
US-2023285921-A1 · Sep 14, 2023 · US
ATR-Based Hydrogen Process and Plant
US-2023271829-A1 · Aug 31, 2023 · US
Process for producing carbon monoxide-containing streams
US-2023192486-A1 · Jun 22, 2023 · US
Methods for preparing high temperature water gas shifting catalyst, catalyst and process for reducing carbon monoxide
US-11679381-B2 · Jun 20, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2203/1628?
- CPC C01B2203/1628 is the Cooperative Patent Classification code for “Controlling the pressure.”
- How many patents are filed under CPC C01B2203/1628 (Controlling the pressure)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC C01B2203/1628 growing?
- Publication counts under this code: 13 in 2024 vs 18 in 2025 (latest complete years).