Photocatalytic conversion of hydrogen sulfide to hydrogen
US-12559366-B2 · Feb 24, 2026 · US
characterised by the catalytic conversion · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B17/0426 |
| Official title | {characterised by the catalytic conversion} |
| Display label | characterised by the catalytic conversion |
| Total patents | 19 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 4 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12559366-B2 · Feb 24, 2026 · US
US-12559401-B2 · Feb 24, 2026 · US
US-12441644-B2 · Oct 14, 2025 · US
US-12428328-B2 · Sep 30, 2025 · US
US-2025010265-A1 · Jan 9, 2025 · US
US-12116326-B2 · Oct 15, 2024 · US
US-2024327211-A1 · Oct 3, 2024 · US
US-2024109776-A1 · Apr 4, 2024 · US
US-2024088419-A1 · Mar 14, 2024 · US
US-2023159409-A1 · May 25, 2023 · US
US-2022194833-A1 · Jun 23, 2022 · US
US-2022200029-A1 · Jun 23, 2022 · US
US-2022194786-A1 · Jun 23, 2022 · US
US-11198093-B2 · Dec 14, 2021 · US
US-10508034-B2 · Dec 17, 2019 · US
US-2019255484-A1 · Aug 22, 2019 · US
US-2019152780-A1 · May 23, 2019 · US
US-10246329-B1 · Apr 2, 2019 · US
US-9981849-B2 · May 29, 2018 · US