Combination of structured catalyst elements and pellets
US-12565425-B2 · Mar 3, 2026 · US
Catalyst coated on equipment surfaces, e.g. reactor walls
Catalyst coated on equipment surfaces, e.g. reactor walls · 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 | C01B2203/1035 |
| Official title | Catalyst coated on equipment surfaces, e.g. reactor walls |
| Display label | Catalyst coated on equipment surfaces, e.g. reactor walls |
| Total patents | 37 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrogen gas producing apparatus using a photocatalyst
US-12434963-B2 · Oct 7, 2025 · US
Hydrogen production with membrane reactor
US-12365587-B2 · Jul 22, 2025 · US
Hydrogen Production with Membrane Reactor
US-2024300813-A1 · Sep 12, 2024 · US
Hydrogen production with membrane reactor
US-11999619-B2 · Jun 4, 2024 · US
Hydrogen gas producing apparatus using a photocatalyst
US-2023202837-A1 · Jun 29, 2023 · US
Systems and processes for molten media pyrolysis
US-11591212-B2 · Feb 28, 2023 · US
Hydrogen production with membrane reformer
US-11583824-B2 · Feb 21, 2023 · US
Hydrogen production with membrane reformer
US-11492254-B2 · Nov 8, 2022 · US
Combination of structured catalyst elements and pellets
US-2022212928-A1 · Jul 7, 2022 · US
Reactor incorporating a heat exchanger
US-11365121-B2 · Jun 21, 2022 · US
Hydrogen Production with Membrane Reformer
US-2021395083-A1 · Dec 23, 2021 · US
Hydrogen Production with Membrane Reactor
US-2021395085-A1 · Dec 23, 2021 · US
Hydrogen Production with Membrane Reformer
US-2021394152-A1 · Dec 23, 2021 · US
Reactor packing with preferential flow catalyst
US-11130676-B2 · Sep 28, 2021 · US
Processes and catalysts for reforming of impure methane-containing feeds
US-11111142-B2 · Sep 7, 2021 · US
Reactor incorporating a heat exchanger
US-2020216313-A1 · Jul 9, 2020 · US
Reactor incorporating a heat exchanger
US-10604408-B2 · Mar 31, 2020 · US
Processes and catalysts for reforming of impure methane-containing feeds
US-2020087144-A1 · Mar 19, 2020 · US
Systems and processes for molten media pyrolysis
US-2020071162-A1 · Mar 5, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B2203/1035?
- CPC C01B2203/1035 is the Cooperative Patent Classification code for “Catalyst coated on equipment surfaces, e.g. reactor walls.”
- How many patents are filed under CPC C01B2203/1035 (Catalyst coated on equipment surfaces, e.g. reactor walls)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC C01B2203/1035 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).