B61H 15/0007
Mechanical and self-acting in one direction
Official title: {mechanical and self-acting in one direction}
B61H15/0007 (Mechanical and self-acting in one direction) appears on 29 US grants and 32 published applications in this corpus.
Search patents in B61H- Granted patents
- 29
- Published applications
- 32
- Assignees
- 21
- Inventors
- 47
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 3 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 3 | 3 |
| 2015 | 2 | 4 |
| 2016 | 4 | 4 |
| 2017 | 5 | 5 |
| 2018 | 3 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Brake assembly16 Jun 2026US 12,654,750 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Brake assembly and method for operation of said assembly20 May 2025US 12,304,534 B2Transportation IP Holdings, LLC
- Truck mounted brake system for rod-under style bolsters19 Mar 2019US 10,232,865 B2Westinghouse Air Brake Technologies Corporation
- Braking systems for railway cars10 Apr 2018US 9,937,935 B2Amsted Rail Company, Inc.
- Braking systems for railway cars20 Feb 2018US 9,896,113 B2Amsted Rail Company, Inc.
- Automatic slack adjuster assembly8 Jan 2026US 2026/0009441 A1Madras Engineering Industries Private Limited
- Brake assembly8 Feb 2024US 2024/0043049 A1Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Brake assembly and method for operation of said assembly30 Dec 2021US 2021/0403057 A1Transportation IP Holdings, LLC
- System and method for applying brakes to a steel wheeled vehicle9 Dec 2021US 2021/0381565 A1El-Trac Holding LLC
- Compact brake actuator for railway vehicles7 Nov 2019US 2019/0337539 A1Jiangxi Huawu Brake Co., Ltd.
Most cited
By later US patents
- Truck car braking system20US 5,259,485 ATriax Tube Co. · 1993
- Slack adjuster for railway vehicle brake rigging18US 7,802,662 B2Wabtec Holding Corp. · 2010
- Method and device for controlling an electrically actuated wear adjuster12US 7,413,061 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH · 2008
- Slack adjuster9US 6,443,270 B1Westinghouse Brakes Australia Pty. Limited · 2002
- Collet style tread brake unit8US 6,397,986 B2Westinghouse Air Brake Technologies Corporation · 2002