Air flow distribution arrangements in pre-cleaner systems
US-12006899-B2 · Jun 11, 2024 · US
the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means (in exhaust systems only F02B27/06) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F02B27/02 |
| Official title | the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means (in exhaust systems only F02B27/06) |
| Display label | the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means (in exhaust systems only F02B27/06) |
| Total patents | 29 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12006899-B2 · Jun 11, 2024 · US
US-11603812-B1 · Mar 14, 2023 · US
US-2023056467-A1 · Feb 23, 2023 · US
US-2022252028-A1 · Aug 11, 2022 · US
US-11333110-B2 · May 17, 2022 · US
US-11193461-B2 · Dec 7, 2021 · US
US-2021293207-A1 · Sep 23, 2021 · US
US-11002232-B2 · May 11, 2021 · US
US-2020347807-A1 · Nov 5, 2020 · US
US-10619606-B2 · Apr 14, 2020 · US
US-2020102919-A1 · Apr 2, 2020 · US
US-10378430-B2 · Aug 13, 2019 · US
US-10273875-B2 · Apr 30, 2019 · US
US-2019055908-A1 · Feb 21, 2019 · US
US-10151282-B2 · Dec 11, 2018 · US
US-2018328264-A1 · Nov 15, 2018 · US
US-2018128164-A1 · May 10, 2018 · US
US-9644581-B2 · May 9, 2017 · US
US-9556834-B2 · Jan 31, 2017 · US
US-2016369753-A1 · Dec 22, 2016 · US
Answers are generated from the same data shown on this page.