Hydrogen generating device
US-2026070784-A1 · Mar 12, 2026 · US
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the product being hydrogen
the product being hydrogen · 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 | C01B2203/1657 |
| Official title | the product being hydrogen |
| Display label | the product being hydrogen |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process and device for generating hydrogen from a hydrocarbon using a multi-phase metal catalyst
US-2025313460-A1 · Oct 9, 2025 · US
Operation method for hydrogen production device, and hydrogen production device
US-12330941-B2 · Jun 17, 2025 · US
Fuel production system
US-2025109345-A1 · Apr 3, 2025 · US
Feed gas reforming system and method of controlling the same
US-12195335-B2 · Jan 14, 2025 · US
Gaseous fuel production system
US-2024383747-A1 · Nov 21, 2024 · US
Hydrogen reactor
US-12129172-B2 · Oct 29, 2024 · US
Carbon dioxide buffer vessel process design
US-12104130-B2 · Oct 1, 2024 · US
Method of safe operation of a reformer with various hydrocarbon mixtures
US-2024308845-A1 · Sep 19, 2024 · US
Ammonia Cracking Process
US-2024294376-A1 · Sep 5, 2024 · US
Fuel manufacturing system
US-2024270574-A1 · Aug 15, 2024 · US
Hydrogen generating reactions
US-11655148-B2 · May 23, 2023 · US
Method for Hydrogen Production, and Hydrogen Production Device
US-2022169501-A1 · Jun 2, 2022 · US
Feed gas reforming system and method of controlling the same
US-2022169500-A1 · Jun 2, 2022 · US
Carbon dioxide buffer vessel process design
US-2022154087-A1 · May 19, 2022 · US
Gasification of disulfide oil to produce hydrogen and carbon monoxide (syngas)
US-11148948-B2 · Oct 19, 2021 · US
Hydrogen generating reactions
US-2021276866-A1 · Sep 9, 2021 · US
Hydrogen reactor
US-2021276865-A1 · Sep 9, 2021 · US
Gasification of disulfide oil to produce hydrogen and carbon monoxide (syngas)
US-2020180953-A1 · Jun 11, 2020 · US
Monitoring the Activity of Reforming Catalyst
US-2018106740-A1 · Apr 19, 2018 · US