Method for producing purified gas, method for producing valuable material, gas purification device, and device for producing valuable material
US-2022347624-A1 · Nov 3, 2022 · US
by filtration · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10K1/024 |
| Official title | {by filtration} |
| Display label | by filtration |
| Total patents | 77 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 10 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2022347624-A1 · Nov 3, 2022 · US
US-11459509-B2 · Oct 4, 2022 · US
US-11220644-B2 · Jan 11, 2022 · US
US-11208323-B2 · Dec 28, 2021 · US
US-2021107786-A1 · Apr 15, 2021 · US
US-2021087478-A1 · Mar 25, 2021 · US
US-2021087479-A1 · Mar 25, 2021 · US
US-10927316-B2 · Feb 23, 2021 · US
US-2021024829-A1 · Jan 28, 2021 · US
US-10865346-B2 · Dec 15, 2020 · US
US-10787620-B2 · Sep 29, 2020 · US
US-2020299595-A1 · Sep 24, 2020 · US
US-10774278-B2 · Sep 15, 2020 · US
US-2020263101-A1 · Aug 20, 2020 · US
US-2020239795-A1 · Jul 30, 2020 · US
US-2020224587-A1 · Jul 16, 2020 · US
US-2020224110-A1 · Jul 16, 2020 · US
US-10634048-B2 · Apr 28, 2020 · US
US-2020001310-A1 · Jan 2, 2020 · US
US-2019169506-A1 · Jun 6, 2019 · US
Answers are generated from the same data shown on this page.