B60T 8/442
The booster being a fluid return pump
Official title: {the booster being a fluid return pump, e.g. in combination with a brake pedal force booster}
B60T8/442 (The booster being a fluid return pump) appears on 117 US grants and 92 published applications in this corpus.
Search patents in B60T- Granted patents
- 117
- Published applications
- 92
- Assignees
- 41
- Inventors
- 261
- Latest grant
- 30 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 12 | 3 |
| 2002 | 11 | 2 |
| 2003 | 2 | 1 |
| 2004 | 4 | 4 |
| 2005 | 2 | 8 |
| 2006 | 3 | 3 |
| 2007 | 4 | 3 |
| 2008 | 0 | 5 |
| 2009 | 2 | 10 |
| 2010 | 2 | 4 |
| 2011 | 7 | 4 |
| 2012 | 7 | 7 |
| 2013 | 6 | 8 |
| 2014 | 4 | 7 |
| 2015 | 9 | 6 |
| 2016 | 2 | 1 |
| 2017 | 3 | 4 |
| 2018 | 6 | 4 |
| 2019 | 4 | 5 |
| 2020 | 2 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Vehicle brake system and method for increasing brake pressure in a first wheel brake cylinder and limiting brake pressure in a second wheel brake cylinder of a vehicle brake system30 Jan 2024US 11,884,254 B2Robert Bosch GmbH
- Hydraulic motor vehicle brake systems and a control device system therefor, methods for operating hydraulic motor vehicle brake systems and computer program for carrying out the methods19 Apr 2022US 11,305,743 B2ZF Active Safety GmbH
- Method for operating a motor vehicle hydraulic brake system20 Jul 2021US 11,066,057 B2Ford Global Technologies, LLC
- Method and system for verifying normal operation of negative pressure sensor of brake booster8 Jun 2021US 11,027,715 B2Hyundai Motor Company
- Method for boosting the brake power in an electronically slip-controllable vehicle brake system, as well as an electronically slip-controllable vehicle brake system29 Dec 2020US 10,875,512 B2Robert Bosch GmbH
- Method for controlling a hydraulic volume2 May 2024US 2024/0140375 A1
- Vehicle brake system and method for increasing brake pressure in a first wheel brake cylinder and limiting brake pressure in a second wheel brake cylinder of a vehicle brake system3 Jun 2021US 2021/0162968 A1Robert Bosch GmbH
- Hydraulic motor vehicle brake systems and a control device system therefor, methods for operating hydraulic motor vehicle brake systems and computer program for carrying out the methods16 Apr 2020US 2020/0114888 A1ZF Active Safety GmbH
- Method for boosting the brake power in an electronically slip-controllable vehicle brake system, as well as an electronically slip-controllable vehicle brake system17 Oct 2019US 2019/0315326 A1Robert Bosch GmbH
- Hydraulic pressure control unit for vehicle brake system and vehicle brake system10 Oct 2019US 2019/0308595 A1
Most cited
By later US patents
- Method and device for controlling an ABS antilock braking / ASR traction control system49US 5,727,852 ARobert Bosch GmbH · 1998
- Vehicular brake system39US 5,967,628 ADenso Corporation · 1999
- Braking device33US 6,322,164 B1Toyota Jidosha Kabushiki Kaisha · 2001
- Brake control apparatus32US 6,132,014 ADenso Corporation · 2000
- Brake control apparatus for a vehicle31US 5,954,406 ADenso Corporation · 1999