B60T 15/184
Railway control or brake valves
Official title: {Railway control or brake valves}
B60T15/184 (Railway control or brake valves) appears on 25 US grants and 25 published applications in this corpus.
Search patents in B60T- Granted patents
- 25
- Published applications
- 25
- Assignees
- 13
- Inventors
- 41
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 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 | 2 |
| 2015 | 0 | 3 |
| 2016 | 4 | 3 |
| 2017 | 2 | 3 |
| 2018 | 3 | 3 |
| 2019 | 2 | 5 |
| 2020 | 3 | 2 |
| 2021 | 5 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pneumatic pressure control valve for a brake control system of a rail vehicle, and pneumatic control valve for a brake control system of a rail vehicle3 Mar 2026US 12,565,185 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Electronically controlled pneumatic (ECP) overlay control valve10 Jan 2023US 11,548,491 B2New York Air Brake Corporation
- Brake system and brake control valve5 Oct 2021US 11,136,015 B2Westinghouse Air Brake Technologies Corporation
- ECP overlay system for UIC-type distributor valve8 Jun 2021US 11,027,756 B2Westinghouse Air Brake Technologies Corporation
- ECP overlay system for W-type triple valve25 May 2021US 11,014,585 B2Westinghouse Air Brake Technologies Corporation
- Emergency Valve1 Jan 2026US 2026/0001522 A1Crrc Qiqihar Rolling Stock Co., Ltd.
- Air control valve5 Jun 2025US 2025/0178580 A1Crrc Qiqihar Rolling Stock Co., Ltd.
- Pneumatic pressure control valve for a brake control system of a rail vehicle, and pneumatic control valve for a brake control system of a rail vehicle11 Jan 2024US 2024/0010178 A1Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Brake system and brake control valve23 Apr 2020US 2020/0122702 A1Westinghouse Air Brake Technologies Corporation
- Trip cock valve for a brake system on a rail car16 Apr 2020US 2020/0114895 A1Graham-White Manufacturing Company
Most cited
By later US patents
- Automatic test connector adapter plate for AB pipe bracket6US 6,186,600 B1Westinghouse Air Brake Company · 2001
- Pneumatic configuration module for electronic air brake system3US 10,807,575 B2New York Air Brake Corporation · 2020
- Unidirectional stability choke for a brake control valve3US 6,709,070 B1New York Air Brake Corporation · 2004
- Control device for compressed-air brakes2US 6,910,744 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH · 2005
- Brake cylinder maintaining valve2US 9,333,959 B2Wabtec Holding Corp. · 2016