Vehicle drum brake
US-10830300-B2 · Nov 10, 2020 · US
mechanically actuated
mechanically actuated · 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 | F16D51/22 |
| Official title | mechanically actuated |
| Display label | mechanically actuated |
| Total patents | 194 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 15 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 14 |
| 2021 | 21 |
| 2022 | 29 |
| 2023 | 29 |
| 2024 | 22 |
| 2025 | 25 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
S-cam brake of horizontal transferring force type
US-10753413-B2 · Aug 25, 2020 · US
Parking brake apparatus
US-2020263749-A1 · Aug 20, 2020 · US
Cable-pulling actuation system for a parking brake and parking brake thereof
US-10710567-B2 · Jul 14, 2020 · US
Drum brake apparatus for vehicle
US-2020216042-A1 · Jul 9, 2020 · US
Clutch, drive transmission device and image forming apparatus
US-10704610-B2 · Jul 7, 2020 · US
Cable-pulling actuation system for a parking brake and parking brake thereof
US-2020189549-A1 · Jun 18, 2020 · US
Electric drum brake system having a rationalized electric parking brake actuator
US-10654460-B2 · May 19, 2020 · US
Clutch, motor, and power window device
US-10597926-B2 · Mar 24, 2020 · US
Brake component mounting structure for axles
US-2020072302-A1 · Mar 5, 2020 · US
Drum brake apparatus
US-2020056667-A1 · Feb 20, 2020 · US
Drum-integrated type parking brake
US-2019344761-A1 · Nov 14, 2019 · US
S-cam brake of horizontal transferring force type
US-2019331182-A1 · Oct 31, 2019 · US
Drum brake assembly configured to reduce audible noise during braking
US-10428883-B2 · Oct 1, 2019 · US
Hybrid structural apparatus for a vehicle air braking system
US-10428887-B2 · Oct 1, 2019 · US
Vehicle drum brake
US-2019293136-A1 · Sep 26, 2019 · US
Parking brake actuation assembly
US-2019264762-A1 · Aug 29, 2019 · US
Electric Actuator for S-Cam Brake
US-2019234474-A1 · Aug 1, 2019 · US
Parking brake actuation method for an electric motor vehicle parking brake system
US-10358122-B2 · Jul 23, 2019 · US
Clutch and motor
US-2019162248-A1 · May 30, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D51/22?
- CPC F16D51/22 is the Cooperative Patent Classification code for “mechanically actuated.”
- How many patents are filed under CPC F16D51/22 (mechanically actuated)?
- Our database includes 194 publications tagged with this CPC code.
- Is patent activity under CPC F16D51/22 growing?
- Publication counts under this code: 22 in 2024 vs 25 in 2025 (latest complete years).