B60T 15/021
Railway control or brake valves
Official title: {Railway control or brake valves}
B60T15/021 (Railway control or brake valves) appears on 74 US grants and 79 published applications in this corpus.
Search patents in B60T- Granted patents
- 74
- Published applications
- 79
- Assignees
- 34
- Inventors
- 142
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 4 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 4 |
| 2012 | 4 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 9 |
| 2016 | 9 | 6 |
| 2017 | 5 | 3 |
| 2018 | 2 | 10 |
| 2019 | 9 | 8 |
| 2020 | 6 | 6 |
| 2021 | 6 | 4 |
| 2022 | 4 | 6 |
| 2023 | 6 | 2 |
| 2024 | 3 | 3 |
| 2025 | 3 | 2 |
| 2026 | 3 | 0 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Braking system for a vehicle30 Jun 2026US 12,668,286 B2WABTEC Hauts-de-France
- Emergency braking trigger system for a railcar26 May 2026US 12,637,040 B1
- 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
- Vehicle braking assembly30 Dec 2025US 12,509,037 B2FAIVELEY TRANSPORT ITALIA S. p. A.
- Consist swap mode with rollaway mitigation27 May 2025US 12,311,897 B2New York Air Brake Corporation
- Emergency valve having emergency accelerated release function19 Jun 2025US 2025/0196834 A1Crrc Qiqihar Rolling Stock Co., Ltd.
- Air control valve5 Jun 2025US 2025/0178580 A1Crrc Qiqihar Rolling Stock Co., Ltd.
- Consist swap mode with rollaway mitigation8 Aug 2024US 2024/0262329 A1New York Air Brake Corporation
- Interface adapter for a control valve and control valve with an interface adapter29 Feb 2024US 2024/0068593 A1Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- 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
Most cited
By later US patents
- Parking brake assembly for railway vehicle brake system10US 8,006,815 B2Wabtec Holding Corp. · 2011
- Handle extension of a valve7US 6,260,932 B1Ne York Air Brake Corporation · 2001
- Electro-pneumatic braking control unit for a railway or tramway vehicle6US 7,357,463 B2Sab Wabco AB · 2008
- Parking brake assembly for railway vehicle brake system5US 8,230,985 B2Wabtec Holding Corp. · 2012
- Solenoid valve4US 6,715,700 B2Sumitomo (SEI) Brake Systems, Inc. · 2004