Electrochemical cell with coated sulfonated graphite cathode
US-12509370-B2 · Dec 30, 2025 · US
Supplying gas to the electrolyte · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F2201/4619 |
| Official title | Supplying gas to the electrolyte |
| Display label | Supplying gas to the electrolyte |
| Total patents | 63 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 9 |
| 2019 | 1 |
| 2020 | 10 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 11 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12509370-B2 · Dec 30, 2025 · US
US-12473214-B2 · Nov 18, 2025 · US
US-12421140-B1 · Sep 23, 2025 · US
US-2025276918-A1 · Sep 4, 2025 · US
US-2025276920-A1 · Sep 4, 2025 · US
US-12404189-B1 · Sep 2, 2025 · US
US-2025178933-A1 · Jun 5, 2025 · US
US-2025162891-A1 · May 22, 2025 · US
US-2025136481-A1 · May 1, 2025 · US
US-12091343-B2 · Sep 17, 2024 · US
US-2024279081-A1 · Aug 22, 2024 · US
US-2024018023-A1 · Jan 18, 2024 · US
US-2024010529-A1 · Jan 11, 2024 · US
US-11795073-B2 · Oct 24, 2023 · US
US-11739009-B2 · Aug 29, 2023 · US
US-2023219830-A1 · Jul 13, 2023 · US
US-11572292-B2 · Feb 7, 2023 · US
US-2023027866-A1 · Jan 26, 2023 · US
US-2023018120-A1 · Jan 19, 2023 · US
US-11492274-B2 · Nov 8, 2022 · US
Answers are generated from the same data shown on this page.