B60T 8/5087
Pressure release using restrictions
Official title: {Pressure release using restrictions (B60T8/5081 takes precedence)}
B60T8/5087 (Pressure release using restrictions) appears on 67 US grants and 8 published applications in this corpus.
Search patents in B60T- Granted patents
- 67
- Published applications
- 8
- Assignees
- 33
- Inventors
- 154
- Latest grant
- 26 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Master brake cylinder for a hydraulic vehicle brake system26 Jul 2022US 11,396,278 B2Robert Bosch GmbH
- Variable-torque emergency brake device21 Jul 2020US 10,717,424 B2Poclain Hydraulics Industrie
- Brake booster with tunable release31 Jan 2017US 9,555,787 B2Robert Bosch GmbH
- Metering check valve for active brake pads retraction system13 Dec 2011US 8,075,066 B2GM Global Technology Operations LLC
- Control unit for a wheel brake of a motor vehicle21 Feb 2006US 7,000,997 B1Robert Bosch GmbH
- Valve assembly for a pneumatic system of a vehicle, in particular a commercial vehicle, pneumatic system, vehicle, in particular commercial vehicle, method and computer program and/or computer-readable medium11 Dec 2025US 2025/0376137 A1ZF CV Systems Global GmbH
- Electromagnetic pressure control valve with internal compressed air routing24 Apr 2025US 2025/0128686 A1
- Master brake cylinder for a hydraulic vehicle brake system25 Mar 2021US 2021/0086730 A1Robert Bosch GmbH
- Variable-torque emergency brake device27 Dec 2018US 2018/0370511 A1Poclain Hydraulics Industrie
- Brake booster with tunable release8 Oct 2015US 2015/0283986 A1Robert Bosch GmbH
Most cited
By later US patents
- Fluid pressure controller50US 5,018,797 ASumitomo Electric Industries, Ltd. · 1991
- Electromagnetically controllable valve arrangement37US 5,735,582 ARobert Bosch GmbH · 1998
- Apparatus for increasing brake cylinder pressure by controlling pump motor and reducing the pressure by controlling electric energy applied to control valve32US 6,913,326 B1Toyota Jidosha Kabushiki Kaisha · 2005
- Solenoid-operated hydraulic control device for anti-skid brake system22US 4,668,024 AAisin Seiki Kabushiki Kaisha · 1987
- Multiway valve20US 6,206,038 B1Continental Teves AG & Co. oHG · 2001