Controlling an electrically controllable release bolt of a parking brake actuator
US-2025334178-A1 · Oct 30, 2025 · US
systems with both indirect application and application by springs or weights and released by compressed air
systems with both indirect application and application by springs or weights and released by compressed air · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B60T13/261 |
| Official title | {systems with both indirect application and application by springs or weights and released by compressed air} |
| Display label | systems with both indirect application and application by springs or weights and released by compressed air |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 11 |
| 2022 | 5 |
| 2023 | 6 |
| 2024 | 11 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for emergency engagement of a holding brake, and electropneumatic brake system
US-12454256-B2 · Oct 28, 2025 · US
Electronically controlled pneumatic park brake system, vehicle comprising such a system, and method for controlling such a system
US-2025153696-A1 · May 15, 2025 · US
Electropneumatic device with a protective valve unit
US-12240426-B2 · Mar 4, 2025 · US
Air-actuated vehicle system and a method of detecting leakage in an air-actuated vehicle system
US-12115956-B2 · Oct 15, 2024 · US
Pneumatic anti-compound on service brake backup line
US-12097829-B2 · Sep 24, 2024 · US
System for controlling parking brake and method of controlling release of parking brake
US-2024308489-A1 · Sep 19, 2024 · US
Pneumatic braking device
US-12084011-B2 · Sep 10, 2024 · US
Vehicle braking system with compound management function
US-12084013-B2 · Sep 10, 2024 · US
Method for operating an electropneumatic brake system, fail-safety valve unit, electropneumatic brake system and vehicle
US-2024246520-A1 · Jul 25, 2024 · US
Brake Actuator
US-2024159283-A1 · May 16, 2024 · US
Electropneumatic parking brake module with directly controlled valves and anti-compound connection
US-11964642-B2 · Apr 23, 2024 · US
Electropneumatic valve assembly with self-locking safety valve
US-2024109524-A1 · Apr 4, 2024 · US
Method for the automated electronic control of a brake system in a utility vehicle having anti-lock braking protection
US-11926305-B2 · Mar 12, 2024 · US
Electronic parking brake device and method for operating an electronic parking brake device
US-11904821-B2 · Feb 20, 2024 · US
Vehicle braking system
US-2023347857-A1 · Nov 2, 2023 · US
Method for Emergency Engagement of a Holding Brake, and Electropneumatic Brake System
US-2023311828-A1 · Oct 5, 2023 · US
Electropneumatic device with a protective valve unit
US-2023264669-A1 · Aug 24, 2023 · US
Vehicle braking system
US-11685352-B2 · Jun 27, 2023 · US
Relay valve for a pneumatic valve unit
US-11584349-B2 · Feb 21, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60T13/261?
- CPC B60T13/261 is the Cooperative Patent Classification code for “systems with both indirect application and application by springs or weights and released by compressed air.”
- How many patents are filed under CPC B60T13/261 (systems with both indirect application and application by springs or weights and released by compressed air)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC B60T13/261 growing?
- Publication counts under this code: 11 in 2024 vs 4 in 2025 (latest complete years).