Transmission device
US-2021348673-A1 · Nov 11, 2021 · US
Mechanical Engineering
Mechanical Engineering · 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 | F16D7/021 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 109 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 10 |
| 2020 | 14 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 14 |
| 2024 | 11 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Torque limiter for a drive train
US-2021062869-A1 · Mar 4, 2021 · US
Torque limiter assembly
US-10830293-B2 · Nov 10, 2020 · US
Overload protection assembly
US-10823233-B2 · Nov 3, 2020 · US
Homogenized surface pressure in an overload clutch
US-2020263739-A1 · Aug 20, 2020 · US
Shaft coupling structure
US-10704608-B2 · Jul 7, 2020 · US
Timepiece display mobile component with friction adjustment mechanism
US-2020192295-A1 · Jun 18, 2020 · US
Torque limiter for use with a dual planetary/integrated differential drive train
US-10683920-B2 · Jun 16, 2020 · US
Clutch mechanism for rotary power tool
US-2020149594-A1 · May 14, 2020 · US
Torque Limiter for Use with a Dual Planetary/Integrated Differential Drive Train
US-2020124149-A1 · Apr 23, 2020 · US
Harmonic drive
US-2020116246-A1 · Apr 16, 2020 · US
Detent star wheel for a steering column of a motor vehicle and method for producing the same
US-10589714-B2 · Mar 17, 2020 · US
Clutch mechanism for rotary power tool
US-10570966-B2 · Feb 25, 2020 · US
Self-contained switchable wedge clutch with torque limiting
US-2020025259-A1 · Jan 23, 2020 · US
Overload protection assembly
US-2020018358-A1 · Jan 16, 2020 · US
Gear arrangement having an overload clutch and an electric motor-drivable drive train
US-2020003264-A1 · Jan 2, 2020 · US
Power screw mechanism with rotation clutch
US-2019376563-A1 · Dec 12, 2019 · US
Drive Element With an Overload Coupler for an Electrical Connector with a Drive and Also an Electrical Connector with such a Drive Element
US-2019341726-A1 · Nov 7, 2019 · US
Multi-state clutch assembly
US-10407957-B1 · Sep 10, 2019 · US
Shaft seize ring
US-10393187-B2 · Aug 27, 2019 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D7/021?
- CPC F16D7/021 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F16D7/021 (Mechanical Engineering)?
- Our database includes 109 publications tagged with this CPC code.
- Is patent activity under CPC F16D7/021 growing?
- Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).