Method of producing catalyst, catalyst, and fuel cell
US-12506157-B2 · Dec 23, 2025 · US
Porous product · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C23C18/1648 |
| Official title | {Porous product} |
| Display label | Porous product |
| Total patents | 45 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 10 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12506157-B2 · Dec 23, 2025 · US
US-2025277311-A1 · Sep 4, 2025 · US
US-12392046-B2 · Aug 19, 2025 · US
US-12376230-B2 · Jul 29, 2025 · US
US-2024210119-A1 · Jun 27, 2024 · US
US-2023387420-A1 · Nov 30, 2023 · US
US-2023284629-A1 · Sep 14, 2023 · US
US-2023243770-A1 · Aug 3, 2023 · US
US-11674228-B2 · Jun 13, 2023 · US
US-2022408558-A1 · Dec 22, 2022 · US
US-2022243343-A1 · Aug 4, 2022 · US
US-2022186378-A1 · Jun 16, 2022 · US
US-11192337-B2 · Dec 7, 2021 · US
US-11062826-B2 · Jul 13, 2021 · US
US-11008657-B2 · May 18, 2021 · US
US-10710337-B2 · Jul 14, 2020 · US
US-2020023614-A1 · Jan 23, 2020 · US
US-10494721-B1 · Dec 3, 2019 · US
US-2019338234-A1 · Nov 7, 2019 · US
US-2019300372-A1 · Oct 3, 2019 · US
Answers are generated from the same data shown on this page.