Spring-loaded non-return valve for a vehicle hydraulic-power brake system, and vehicle power-brake system having the non-return valve
US-2022055585-A1 · Feb 24, 2022 · US
Recuperation valves
Recuperation valves · 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 | B60T11/232 |
| Official title | Recuperation valves |
| Display label | Recuperation valves |
| Total patents | 81 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 14 |
| 2017 | 16 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 8 |
| 2024 | 4 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Master cylinder with sealing element
US-2021394731-A1 · Dec 23, 2021 · US
Master cylinder device
US-11180126-B2 · Nov 23, 2021 · US
Hydraulic tank for a bicycle
US-2021179046-A1 · Jun 17, 2021 · US
Master cylinder for a braking system
US-2021171005-A1 · Jun 10, 2021 · US
Brake apparatus for vehicle
US-11027714-B2 · Jun 8, 2021 · US
Master cylinder device
US-2021122344-A1 · Apr 29, 2021 · US
Piston-cylinder units and hydraulic devices with diagnosis or monitoring function of the control and regulating device
US-2020362888-A1 · Nov 19, 2020 · US
Master brake cylinder for a hydraulic vehicle brake system
US-10668910-B2 · Jun 2, 2020 · US
Master brake cylinder arrangement for a hydraulic motor vehicle brake system
US-10279790-B2 · May 7, 2019 · US
Brake apparatus for vehicle
US-2019061721-A1 · Feb 28, 2019 · US
Master cylinder
US-10183657-B2 · Jan 22, 2019 · US
Master cylinder for brake system
US-10173655-B2 · Jan 8, 2019 · US
Method for diagnosing electric brake system
US-10166959-B2 · Jan 1, 2019 · US
Master brake cylinder for a hydraulic vehicle brake system
US-2018345933-A1 · Dec 6, 2018 · US
Electric brake system
US-10099671-B2 · Oct 16, 2018 · US
Electric brake system
US-9981645-B2 · May 29, 2018 · US
Master brake cylinder for a hydraulic motor vehicle brake system
US-9969373-B2 · May 15, 2018 · US
Master cylinder
US-9944263-B2 · Apr 17, 2018 · US
Master Brake Cylinder Arrangement for a Hydraulic Motor Vehicle Brake System
US-2018029579-A1 · Feb 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60T11/232?
- CPC B60T11/232 is the Cooperative Patent Classification code for “Recuperation valves.”
- How many patents are filed under CPC B60T11/232 (Recuperation valves)?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC B60T11/232 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).