Auto sliding ramp for vehicle
US-12171699-B2 · Dec 24, 2024 · US
in which the clutching pressure is produced by springs only · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16D13/30 |
| Official title | in which the clutching pressure is produced by springs only |
| Display label | in which the clutching pressure is produced by springs only |
| Total patents | 15 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12171699-B2 · Dec 24, 2024 · US
US-12012997-B2 · Jun 18, 2024 · US
US-11686353-B2 · Jun 27, 2023 · US
US-2023074560-A1 · Mar 9, 2023 · US
US-2023072090-A1 · Mar 9, 2023 · US
US-11441616-B2 · Sep 13, 2022 · US
US-2021324918-A1 · Oct 21, 2021 · US
US-2021324919-A1 · Oct 21, 2021 · US
US-10883550-B2 · Jan 5, 2021 · US
US-2019040917-A1 · Feb 7, 2019 · US
US-2018266493-A1 · Sep 20, 2018 · US
US-9528559-B2 · Dec 27, 2016 · US
US-2016281797-A1 · Sep 29, 2016 · US
US-2016131202-A1 · May 12, 2016 · US
US-2015292576-A1 · Oct 15, 2015 · US