Process for the production of needle coke
US-12503650-B2 · Dec 23, 2025 · US
Wet quenching · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10B39/04 |
| Official title | Wet quenching |
| Display label | Wet quenching |
| Total patents | 25 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 3 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12503650-B2 · Dec 23, 2025 · US
US-2025066674-A1 · Feb 27, 2025 · US
US-11807812-B2 · Nov 7, 2023 · US
US-11746296-B2 · Sep 5, 2023 · US
US-11613714-B2 · Mar 28, 2023 · US
US-2022220397-A1 · Jul 14, 2022 · US
US-11359145-B2 · Jun 14, 2022 · US
US-2021388270-A1 · Dec 16, 2021 · US
US-2021130697-A1 · May 6, 2021 · US
US-10988690-B2 · Apr 27, 2021 · US
US-10927303-B2 · Feb 23, 2021 · US
US-2021024828-A1 · Jan 28, 2021 · US
US-10883051-B2 · Jan 5, 2021 · US
US-10760002-B2 · Sep 1, 2020 · US
US-10703976-B2 · Jul 7, 2020 · US
US-2020102497-A1 · Apr 2, 2020 · US
US-10501689-B2 · Dec 10, 2019 · US
US-10323192-B2 · Jun 18, 2019 · US
US-2019112530-A1 · Apr 18, 2019 · US
US-2018155627-A1 · Jun 7, 2018 · US
Answers are generated from the same data shown on this page.