Brake apparatus and automobile
US-2022290730-A1 · Sep 15, 2022 · US
for releasing a normally applied brake
for releasing a normally applied brake · 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 | F16D2121/26 |
| Official title | for releasing a normally applied brake |
| Display label | for releasing a normally applied brake |
| Total patents | 68 |
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 | 8 |
| 2016 | 6 |
| 2017 | 10 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electric brake system for electric vehicle
US-11433867-B2 · Sep 6, 2022 · US
Air bleeding apparatus and method for electric brake systems
US-11230277-B2 · Jan 25, 2022 · US
Portable rescue tool
US-11224770-B2 · Jan 18, 2022 · US
Disc brake caliper body
US-2021276524-A1 · Sep 9, 2021 · US
Drive mechanism
US-11111973-B2 · Sep 7, 2021 · US
Portable rescue tool
US-10974082-B2 · Apr 13, 2021 · US
Motor Braking System of Stage Light
US-2021095834-A1 · Apr 1, 2021 · US
Brake assembly and servo having the same
US-10935090-B2 · Mar 2, 2021 · US
Electro mechanical brake and electrical actuator thereof
US-2021025467-A1 · Jan 28, 2021 · US
Electromechanical brake system
US-10882503-B2 · Jan 5, 2021 · US
Drive assembly of a closure element assembly
US-10883300-B2 · Jan 5, 2021 · US
Beam-mounted supply unit for fastening medical devices to a ceiling
US-10821045-B2 · Nov 3, 2020 · US
Brake system
US-10808778-B2 · Oct 20, 2020 · US
Wedge cam brake
US-10794437-B2 · Oct 6, 2020 · US
Air bleeding apparatus and method for electric brake systems
US-2020216055-A1 · Jul 9, 2020 · US
Brake assembly and servo having the same
US-2020208691-A1 · Jul 2, 2020 · US
Electric brake system for electric vehicle
US-2020198612-A1 · Jun 25, 2020 · US
Electric drum brake system having a rationalized electric parking brake actuator
US-10654460-B2 · May 19, 2020 · US
Rotary park lock
US-2020072350-A1 · Mar 5, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16D2121/26?
- CPC F16D2121/26 is the Cooperative Patent Classification code for “for releasing a normally applied brake.”
- How many patents are filed under CPC F16D2121/26 (for releasing a normally applied brake)?
- Our database includes 68 publications tagged with this CPC code.
- Is patent activity under CPC F16D2121/26 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).