B60T 15/42
With a quick braking action, i.e. with accelerating valves actuated by brake-pipe
Official title: with a quick braking action, i.e. with accelerating valves actuated by brake-pipe pressure variation
B60T15/42 (With a quick braking action, i.e. with accelerating valves actuated by brake-pipe) appears on 115 US grants and 14 published applications in this corpus.
Search patents in B60T- Granted patents
- 115
- Published applications
- 14
- Assignees
- 29
- Inventors
- 92
- Latest grant
- 24 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 9 | 0 |
| 1979 | 8 | 0 |
| 1980 | 5 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 3 |
| 2020 | 3 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Valve arrangement24 Sep 2024US 12,097,830 B2KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Trip cock valve for a brake system on a rail car16 Feb 2021US 10,919,504 B2
- Distributor valve19 May 2020US 10,654,461 B2Westinghouse Air Brake Technologies Corporation
- Quick Service Limiting Valve12 May 2020US 10,647,309 B2Westinghouse Air Brake Technologies Corporation
- System for accessing integral pressures of brake control valve28 Jan 2020US 10,543,827 B2Westinghouse Air Brake Technologies Corporation
- Remote stop system for a vehicle13 Jun 2024US 2024/0190399 A1Kodiak Robotics, Inc.
- Valve arrangement29 Dec 2022US 2022/0410863 A1KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- System and method for automated mechanical brake touch up enhancement20 Aug 2020US 2020/0262403 A1Caterpillar Inc.
- Trip cock valve for a brake system on a rail car16 Apr 2020US 2020/0114895 A1Graham-White Manufacturing Company
- Quick Service Limiting Valve13 Jun 2019US 2019/0176791 A1Westinghouse Air Brake Technologies Corporation
Most cited
By later US patents
- Propulsion system for integral trains33US 4,702,291 AGeneral Signal Corporation · 1987
- Train brake pipe pressure exhaust control system and regulating valve therefor29US 5,564,794 AWestinghouse Air Brake Company · 1996
- Truck mounted pneumatic brake control system26US 4,653,812 AGeneral Signal Corporation · 1987
- Pneumatic emergency backup for electro-pneumatic freight brake20US 5,503,467 AWestinghouse Air Brake Company · 1996
- Ralway automatic brake control valve test unit18US 5,509,727 AWestinghouse Air Brake Company · 1996