Electric drum brake module comprising an integrated operating brake and an integrated electric parking brake
US-2023400070-A1 · Dec 14, 2023 · US
fluid actuated
fluid 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 | F16D51/24 |
| Official title | fluid actuated |
| Display label | fluid actuated |
| Total patents | 79 |
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 | 3 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 11 |
| 2019 | 7 |
| 2020 | 12 |
| 2021 | 11 |
| 2022 | 5 |
| 2023 | 13 |
| 2024 | 9 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electronic parking brake system
US-11787379-B2 · Oct 17, 2023 · US
Hydraulic component mounting assembly with anti-rotation poka-yoke banjo connection
US-11731604-B2 · Aug 22, 2023 · US
Electronic parking brake device
US-11661982-B2 · May 30, 2023 · US
Drum brake apparatus
US-11655868-B2 · May 23, 2023 · US
Drum brake system with two tension springs
US-2023141474-A1 · May 11, 2023 · US
Electric parking brake and vehicle having the same
US-2023061860-A1 · Mar 2, 2023 · US
Motor-driven drum brake system and method of controlling the same
US-2022373048-A1 · Nov 24, 2022 · US
Drum brake having a load measurement device
US-2022228635-A1 · Jul 21, 2022 · US
Drum brake apparatus for vehicle
US-11383681-B2 · Jul 12, 2022 · US
Drum brake for vehicle
US-2022145950-A1 · May 12, 2022 · US
Drum brake device for vehicle
US-2022126796-A1 · Apr 28, 2022 · US
Drum brake apparatus
US-2021396281-A1 · Dec 23, 2021 · US
Drum brake apparatus
US-2021396289-A1 · Dec 23, 2021 · US
Electronic parking brake system
US-2021394734-A1 · Dec 23, 2021 · US
Drum brake apparatus
US-2021394732-A1 · Dec 23, 2021 · US
Electronic parking brake device
US-2021364050-A1 · Nov 25, 2021 · US
Drum brake apparatus
US-2021254678-A1 · Aug 19, 2021 · US
Electronic parking brake device
US-2021253074-A1 · Aug 19, 2021 · US
Electric actuator assembly for a drum brake assembly
US-11060572-B2 · Jul 13, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D51/24?
- CPC F16D51/24 is the Cooperative Patent Classification code for “fluid actuated.”
- How many patents are filed under CPC F16D51/24 (fluid actuated)?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC F16D51/24 growing?
- Publication counts under this code: 9 in 2024 vs 3 in 2025 (latest complete years).