B60T 13/44
With two-chamber booster units
Official title: with two-chamber booster units
B60T13/44 (With two-chamber booster units) appears on 34 US grants and 6 published applications in this corpus.
Search patents in B60T- Granted patents
- 34
- Published applications
- 6
- Assignees
- 26
- Inventors
- 68
- Latest grant
- 19 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pneumatic brake booster having a sealing element19 Oct 2021US 11,148,650 B2Continental Teves AG & Co. oHG
- Brake booster for a vehicle24 Mar 2020US 10,597,014 B2Hyundai Motor Company
- Pneumatic brake booster28 Nov 2017US 9,827,964 B2Robert Bosch GmbH
- Pneumatic pressure brake booster system23 May 2017US 9,657,751 B2Ford Global Technologies, LLC
- Brake system for automotive vehicles with pneumatic brake power booster5 Oct 1999US 5,961,189 AContinental Teves AG & Co. oHG
- Pneumatic brake booster having a sealing element24 Oct 2019US 2019/0322260 A1Continental Teves AG & Co. oHG
- Brake booster for a vehicle6 Jun 2019US 2019/0168726 A1Hyundai Motor Company
- Brake System for a Vehicle3 Sep 2015US 2015/0246665 A1Bombardier Transportation GmbH
- Pneumatic brake booster23 Jul 2015US 2015/0204361 A1Robert Bosch GmbH
- Pneumatic pressure brake booster system and method12 Jun 2014US 2014/0157979 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Brake system for automotive vehicles with pneumatic brake power booster19US 5,961,189 AContinental Teves AG & Co. oHG · 1999
- Automatic braking system for vehicles15US 4,505,351 AHonda Giken Kogyo Kabushiki Kaisha · 1985
- Air over oil high pressure modulating valve10US 4,117,865 A1978
- Hydro-pneumatic actuator with automatic slack adjuster10US 4,471,614 AAmerican Standard Inc. · 1984
- Double-piston master cylinder with central booster-driven piston driving surrounding low pressure piston10US 4,703,623 AWABCO Westinghouse Equipements Ferroviaires · 1987