Electropneumatic equipment for a vehicle with an autonomous brake circuit supplied with backup pressure as a precaution
US-12509036-B2 · Dec 30, 2025 · US
Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere · 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 | B60T15/18 |
| Official title | Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere |
| Display label | Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 9 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air processing unit, air managing system, pneumatic system and vehicle
US-12448992-B2 · Oct 21, 2025 · US
Electronically controlled operating brake system having backup control pressure generated on a basis of an additional compressed air consumer circuit
US-12447940-B2 · Oct 21, 2025 · US
Electropneumatic equipment for a vehicle with an autonomous brake circuit supplied with backup pressure as a precaution
US-2024425022-A1 · Dec 26, 2024 · US
Relay valve device and braking device for a vehicle having such a relay valve device
US-12060046-B2 · Aug 13, 2024 · US
Method and parking brake apparatus for an autonomously drivable vehicle
US-11932228-B2 · Mar 19, 2024 · US
Pressure control valve
US-11879551-B2 · Jan 23, 2024 · US
Method for operating an electropneumatic parking brake system, and electropneumatic parking brake system
US-2023415721-A1 · Dec 28, 2023 · US
Air processing unit, air managing system, pneumatic system and vehicle
US-2023340974-A1 · Oct 26, 2023 · US
ABS pressure control valve assembly
US-11731600-B2 · Aug 22, 2023 · US
Electropneumatic hand brake (EPH) having integrated TCV (European and Scandinavian control)
US-11691607-B2 · Jul 4, 2023 · US
Pressure Control Valve
US-2023160484-A1 · May 25, 2023 · US
Electronically controlled operating brake system having backup control pressure generated on a basis of an additional compressed air consumer circuit
US-2023108493-A1 · Apr 6, 2023 · US
Relay valve for a pneumatic valve unit
US-11584349-B2 · Feb 21, 2023 · US
Valve arrangement for a hydraulically braked tractor vehicle with a pneumatically braked trailer vehicle
US-11584345-B2 · Feb 21, 2023 · US
Pneumatic automatic pressure regulating valve for automatic driving of commercial vehicle and control method thereof
US-2023015629-A1 · Jan 19, 2023 · US
Method and parking brake apparatus for an autonomously drivable vehicle
US-2022332300-A1 · Oct 20, 2022 · US
Relay valve for a pneumatic valve unit
US-2022314951-A1 · Oct 6, 2022 · US
Relay valve device and braking device for a vehicle having such a relay valve device
US-2022250603-A1 · Aug 11, 2022 · US
Method and parking brake apparatus for an autonomously drivable vehicle
US-11407394-B2 · Aug 9, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60T15/18?
- CPC B60T15/18 is the Cooperative Patent Classification code for “Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere.”
- How many patents are filed under CPC B60T15/18 (Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC B60T15/18 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).