Multistage Stage Separation Vortex Flow Air Filter
US-2025223937-A1 · Jul 10, 2025 · US
By-pass means · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02M35/082 |
| Official title | {By-pass means} |
| Display label | By-pass means |
| Total patents | 30 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025223937-A1 · Jul 10, 2025 · US
US-2025083082-A1 · Mar 13, 2025 · US
US-2024343324-A1 · Oct 17, 2024 · US
US-2024293769-A1 · Sep 5, 2024 · US
US-12054199-B2 · Aug 6, 2024 · US
US-12017173-B2 · Jun 25, 2024 · US
US-11927159-B1 · Mar 12, 2024 · US
US-11614058-B1 · Mar 28, 2023 · US
US-2022161177-A1 · May 26, 2022 · US
US-11338229-B2 · May 24, 2022 · US
US-11220350-B2 · Jan 11, 2022 · US
US-2021380179-A1 · Dec 9, 2021 · US
US-11110977-B2 · Sep 7, 2021 · US
US-2021147097-A1 · May 20, 2021 · US
US-10844816-B2 · Nov 24, 2020 · US
US-2020206664-A1 · Jul 2, 2020 · US
US-10668414-B2 · Jun 2, 2020 · US
US-2019185077-A1 · Jun 20, 2019 · US
US-2018320644-A1 · Nov 8, 2018 · US
US-10087898-B2 · Oct 2, 2018 · US
Answers are generated from the same data shown on this page.