B60T 8/448
The power-assist booster means being a vacuum or compressed air booster
Official title: {the power-assist booster means being a vacuum or compressed air booster}
B60T8/448 (The power-assist booster means being a vacuum or compressed air booster) appears on 45 US grants and 9 published applications in this corpus.
Search patents in B60T- Granted patents
- 45
- Published applications
- 9
- Assignees
- 18
- Inventors
- 69
- Latest grant
- 9 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 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 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of manufacturing brake boosters9 Nov 2021US 11,167,739 B2Robert Bosch GmbH
- Method of manufacturing brake boosters5 Nov 2019US 10,464,540 B2Robert Bosch GmbH
- Brake booster with tunable release31 Jan 2017US 9,555,787 B2Robert Bosch GmbH
- Pneumatic brake assistance arrangement10 May 2016US 9,333,958 B2Pierburg Pump Technology GmbH
- Pedal oscillation suppression2 Jun 2015US 9,045,120 B2Robert Bosch GmbH
- Intelligent vacuum pump with low power consumption4 Jun 2020US 2020/0172069 A1
- Method of manufacturing brake boosters16 Jan 2020US 2020/0017088 A1Robert Bosch GmbH
- Method of manufacturing brake boosters25 Jan 2018US 2018/0022330 A1Robert Bosch GmbH
- Brake booster with tunable release8 Oct 2015US 2015/0283986 A1Robert Bosch GmbH
- Pneumatic brake assistance arrangement10 Sep 2015US 2015/0251644 A1Pierburg Pump Technology GmbH
Most cited
By later US patents
- Brake apparatus for electric automobile utilizing regenerative braking44US 5,927,829 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1999
- Vacuum brake force booster for a slip-controlled brake system27US 5,096,267 AAlfred Teves GmbH · 1992
- Brake system19US 4,057,301 AGeneral Motors Corporation · 1977
- Brake booster with solenoid valves19US 4,759,255 AJidosha Kiki Co., Ltd. · 1988
- Automotive vehicle braking device18US 4,819,996 AAlfred Teves GmbH · 1989