Overload protection device
US-2025251023-A1 · Aug 7, 2025 · US
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with conical friction surfaces
with conical 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 | F16D43/218 |
| Official title | {with conical friction surfaces} |
| Display label | with conical friction surfaces |
| Total patents | 17 |
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 | 2 |
| 2016 | 3 |
| 2017 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Power transmission device
US-11543002-B2 · Jan 3, 2023 · US
Hybrid torque limiting rotary no-back device
US-11097830-B2 · Aug 24, 2021 · US
Torque-dependant, releasable clutch for a hand-held power tool
US-10801552-B2 · Oct 13, 2020 · US
Hybrid torque limiting rotary no-back device
US-2020148330-A1 · May 14, 2020 · US
Torque-Dependant, Releasable Clutch for a Hand-Held Power Tool
US-2020032855-A1 · Jan 30, 2020 · US
Hybrid torque limiting rotary no-back device
US-10472047-B2 · Nov 12, 2019 · US
Power transmission device
US-2019285121-A1 · Sep 19, 2019 · US
Integrated torque limiter/no-back device
US-10215246-B2 · Feb 26, 2019 · US
Integrated torque limiter/no-back device
US-2017184170-A1 · Jun 29, 2017 · US
Aircraft component rotary device
US-9616990-B2 · Apr 11, 2017 · US
Hybrid torque limiting rotary no-back device
US-2017081017-A1 · Mar 23, 2017 · US
Torque-actuated clutch
US-9464676-B2 · Oct 11, 2016 · US
Integrated torque limiter/no-back device
US-9255632-B2 · Feb 9, 2016 · US
Aircraft component rotary device
US-2016016653-A1 · Jan 21, 2016 · US
Vehicle starter and overload-protection and damper device
US-9033848-B2 · May 19, 2015 · US
Direct motor-drive portable angle grinder
US-8986076-B2 · Mar 24, 2015 · US