Photocatalytic conversion of hydrogen sulfide to hydrogen
US-12559366-B2 · Feb 24, 2026 · US
by dissociation of hydrogen sulfide into the elements
by dissociation of hydrogen sulfide into the elements · 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 | C01B17/0495 |
| Official title | {by dissociation of hydrogen sulfide into the elements} |
| Display label | by dissociation of hydrogen sulfide into the elements |
| Total patents | 39 |
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 | 2 |
| 2016 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 13 |
| 2025 | 8 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods to produce hydrogen gas from hydrogen sulfide
US-12559365-B2 · Feb 24, 2026 · US
Hydrogen sulfide dissociation using reactive sulfur species
US-2026035245-A1 · Feb 5, 2026 · US
Processes to Clean Tail Gas from Carbon Black Production and System and Facility for Same
US-2025367600-A1 · Dec 4, 2025 · US
Alloy materials and related methods for processing hydrogen sulfide
US-2025353743-A1 · Nov 20, 2025 · US
Hydrogen sulfide dissociation using reactive sulfur species
US-12459816-B2 · Nov 4, 2025 · US
Process and system for generating a hydrogen product from hydrogen sulfide with microwave energy
US-12459811-B2 · Nov 4, 2025 · US
Simultaneous h2 production and co2 capture from acid gas stream
US-2025222396-A1 · Jul 10, 2025 · US
H2s removal from produced water by plasma
US-2025223196-A1 · Jul 10, 2025 · US
Chemical Production Inside a Well Tubular/Casing
US-2025197204-A1 · Jun 19, 2025 · US
Furnaces and processes for synthesis gas production
US-12319577-B2 · Jun 3, 2025 · US
Processing of sulfur species with deep eutectic solvents or ionic liquids
US-2024399293-A1 · Dec 5, 2024 · US
Conversion of hydrogen sulfide and carbon dioxide into hydrocarbons using non-thermal plasma and a catalyst
US-12116326-B2 · Oct 15, 2024 · US
Photocatalytic conversion of hydrogen sulfide to hydrogen
US-2024327211-A1 · Oct 3, 2024 · US
Producing hydrogen from hydrogen sulfide
US-2024327208-A1 · Oct 3, 2024 · US
Generate Hydrogen as Fuel at Natural Gas Processing Plant to Reduce Carbon Dioxide Emissions
US-2024279563-A1 · Aug 22, 2024 · US
Systems and methods to produce hydrogen gas from hydrogen sulfide
US-2024228270-A9 · Jul 11, 2024 · US
Partial oxidation sulfur technology (post)
US-2024228271-A9 · Jul 11, 2024 · US
Microwave-assisted catalysis for hydrogen sulfide treatment
US-2024189792-A1 · Jun 13, 2024 · US
Power generation system and method for generating electricity from gaseous flowback
US-2024167173-A1 · May 23, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B17/0495?
- CPC C01B17/0495 is the Cooperative Patent Classification code for “by dissociation of hydrogen sulfide into the elements.”
- How many patents are filed under CPC C01B17/0495 (by dissociation of hydrogen sulfide into the elements)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC C01B17/0495 growing?
- Publication counts under this code: 13 in 2024 vs 8 in 2025 (latest complete years).