Overload clutch for a hand-held power tool
US-12551999-B2 · Feb 17, 2026 · US
with friction members {(slip couplings of the friction type F16D7/02)}
with friction members {(slip couplings of the friction type F16D7/02)} · 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 | F16D43/21 |
| Official title | with friction members {(slip couplings of the friction type F16D7/02)} |
| Display label | with friction members {(slip couplings of the friction type F16D7/02)} |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 9 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated controller with sensors for electromechanical biasing member
US-12404711-B2 · Sep 2, 2025 · US
Clutch assembly, power mechanism and vehicle
US-2025058620-A1 · Feb 20, 2025 · US
Reverse-input blocking clutch
US-12117051-B2 · Oct 15, 2024 · US
Overload Clutch for a Hand-Held Power Tool
US-2024278404-A1 · Aug 22, 2024 · US
Reverse-input blocking clutch
US-12049931-B2 · Jul 30, 2024 · US
Integrated controller with sensors for electromechanical biasing member
US-2024167309-A1 · May 23, 2024 · US
Integrated controller with sensors for electromechanical biasing member
US-11939806-B2 · Mar 26, 2024 · US
Reverse-input blocking clutch
US-2024077118-A1 · Mar 7, 2024 · US
Powertrain interface module
US-11898617-B2 · Feb 13, 2024 · US
Reverse-input blocking clutch
US-2024044377-A1 · Feb 8, 2024 · US
Lubrication mechanism of clutch for agricultural harvester
US-11746836-B2 · Sep 5, 2023 · US
Torque limiter and drive device
US-11719315-B2 · Aug 8, 2023 · US
Lubrication mechanism of clutch for agricultural harvester
US-2023064380-A1 · Mar 2, 2023 · US
Powertrain interface module
US-2023003279-A1 · Jan 5, 2023 · US
Powertrain interface module
US-11441639-B2 · Sep 13, 2022 · US
Joint and clutch assembly
US-11428277-B2 · Aug 30, 2022 · US
Software development support device, software development support method, and software development support program
US-11132182-B2 · Sep 28, 2021 · US
Driving apparatus
US-11085508-B2 · Aug 10, 2021 · US
Powertrain interface module
US-2021172495-A1 · Jun 10, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D43/21?
- CPC F16D43/21 is the Cooperative Patent Classification code for “with friction members {(slip couplings of the friction type F16D7/02)}.”
- How many patents are filed under CPC F16D43/21 (with friction members {(slip couplings of the friction type F16D7/02)})?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC F16D43/21 growing?
- Publication counts under this code: 8 in 2024 vs 2 in 2025 (latest complete years).