Purge procedure for a decoupled brake system and brake system implementing this procedure
US-2020216054-A1 · Jul 9, 2020 · US
in vacuum systems {or vacuum booster units}
in vacuum systems {or vacuum booster units} · 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 | B60T13/72 |
| Official title | in vacuum systems {or vacuum booster units} |
| Display label | in vacuum systems {or vacuum booster units} |
| Total patents | 86 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 10 |
| 2017 | 19 |
| 2018 | 11 |
| 2019 | 7 |
| 2020 | 11 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for verifying normal operation of negative pressure sensor of brake booster
US-2019308598-A1 · Oct 10, 2019 · US
Vacuum booster check valve
US-2019219185-A1 · Jul 18, 2019 · US
System and method for motor brake boost function failure
US-2019135258-A1 · May 9, 2019 · US
Vacuum boost for vehicle braking
US-10207711-B2 · Feb 19, 2019 · US
Methods and system for a common aspirator valve
US-2019048805-A1 · Feb 14, 2019 · US
Method of controlling aspirator motive flow
US-2019039594-A1 · Feb 7, 2019 · US
Vacuum scavenging in hybrid vehicles
US-10166961-B2 · Jan 1, 2019 · US
Method and system for actuating a vacuum pump associated with a brake booster
US-10160432-B2 · Dec 25, 2018 · US
Method of controlling aspirator motive flow
US-10093301-B2 · Oct 9, 2018 · US
Method for operating a brake device, and control unit
US-9994202-B2 · Jun 12, 2018 · US
Device for Varying a Pedal Resistance, Brake System
US-2018148029-A1 · May 31, 2018 · US
Method and system for an aspirator for a brake booster
US-9981644-B2 · May 29, 2018 · US
Method and system for an aspirator for a brake booster
US-9981643-B2 · May 29, 2018 · US
Valve gate within a venturi gap of a venturi device for producing vacuum
US-2018080567-A1 · Mar 22, 2018 · US
Method and system for reducing vacuum consumption in a vehicle
US-9902386-B2 · Feb 27, 2018 · US
Management of the differential pressure thresholds of a vacuum pump connected to the braking system of a motor vehicle
US-9902387-B2 · Feb 27, 2018 · US
Active brake retraction system with vacuum reservoir
US-9889835-B1 · Feb 13, 2018 · US
Active Brake Retraction System With Vacuum Reservoir
US-2018037206-A1 · Feb 8, 2018 · US
Method and system for an aspirator for a brake booster
US-2017361821-A1 · Dec 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60T13/72?
- CPC B60T13/72 is the Cooperative Patent Classification code for “in vacuum systems {or vacuum booster units}.”
- How many patents are filed under CPC B60T13/72 (in vacuum systems {or vacuum booster units})?
- Our database includes 86 publications tagged with this CPC code.
- Is patent activity under CPC B60T13/72 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).