Method of controlling a sensor cleaning system
US-12509025-B2 · Dec 30, 2025 · US
Air curtains (in general F24F) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B60J9/04 |
| Official title | Air curtains (in general F24F) |
| Display label | Air curtains (in general F24F) |
| Total patents | 23 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12509025-B2 · Dec 30, 2025 · US
US-2024399833-A1 · Dec 5, 2024 · US
US-2024181996-A1 · Jun 6, 2024 · US
US-11999490-B2 · Jun 4, 2024 · US
US-11801320-B2 · Oct 31, 2023 · US
US-2022363107-A1 · Nov 17, 2022 · US
US-11400791-B2 · Aug 2, 2022 · US
US-11352076-B2 · Jun 7, 2022 · US
US-2022118143-A1 · Apr 21, 2022 · US
US-11286842-B2 · Mar 29, 2022 · US
US-2022063814-A1 · Mar 3, 2022 · US
US-2021188039-A1 · Jun 24, 2021 · US
US-2021108554-A1 · Apr 15, 2021 · US
US-2021046980-A1 · Feb 18, 2021 · US
US-10803330-B1 · Oct 13, 2020 · US
US-2020318424-A1 · Oct 8, 2020 · US
US-10713508-B1 · Jul 14, 2020 · US
US-10449844-B2 · Oct 22, 2019 · US
US-2018265049-A1 · Sep 20, 2018 · US
US-2016229277-A1 · Aug 11, 2016 · US