Clutch device
US-2025297651-A1 · Sep 25, 2025 · US
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the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces
the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16D43/08 |
| Official title | the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces |
| Display label | the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 2 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Centrifugal clutch having centrifugal masses which are manufactured without cutting
US-11346406-B2 · May 31, 2022 · US
Ball retention assembly for synchronous engagement clutch
US-10612608-B2 · Apr 7, 2020 · US
Centrifugal clutch having centrifugal masses which are manufactured without cutting
US-2020096060-A1 · Mar 26, 2020 · US
Ball retention assembly for synchronous engagement clutch
US-2019264761-A1 · Aug 29, 2019 · US
Centrifugal clutch with friction-minimized coupling pin and drivetrain
US-2019128344-A1 · May 2, 2019 · US
Overrunning coupling and control assembly, coupling assembly and locking member for use therein having improved dynamics with regards to locking member laydown speed
US-2018328419-A1 · Nov 15, 2018 · US
Friction clutch having a rotational axis
US-2018313414-A1 · Nov 1, 2018 · US
Limited slip differentials with centrifugal spring mass actuator for vehicle powertrains
US-10066722-B2 · Sep 4, 2018 · US
Limited slip differentials with centrifugal spring mass actuator for vehicle powertrains
US-2018187762-A1 · Jul 5, 2018 · US
Fluid driving device, motor assembly and centrifugal friction clutch thereof
US-2017058905-A1 · Mar 2, 2017 · US
Motorcycle including centrifugal clutch
US-9033127-B2 · May 19, 2015 · US