B61H 15/00
Wear-compensating mechanisms
Official title: Wear-compensating mechanisms, e.g. slack adjusters
B61H15/00 (Wear-compensating mechanisms) appears on 151 US grants and 69 published applications in this corpus.
Search patents in B61H- Granted patents
- 151
- Published applications
- 69
- Assignees
- 67
- Inventors
- 199
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 3 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 4 | 3 |
| 2015 | 3 | 10 |
| 2016 | 7 | 8 |
| 2017 | 10 | 7 |
| 2018 | 5 | 1 |
| 2019 | 3 | 7 |
| 2020 | 3 | 4 |
| 2021 | 2 | 5 |
| 2022 | 4 | 1 |
| 2023 | 1 | 2 |
| 2024 | 3 | 3 |
| 2025 | 3 | 1 |
| 2026 | 2 | 3 |
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
- Tread brake assembly31 Mar 2026US 12,589,781 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Electromechanical braking actuator for a vehicle, particularly for at least one railway vehicle, and braking system14 Oct 2025US 12,441,289 B2FAIVELEY TRANSPORT ITALIA S. p. A.
- Brake monitoring systems for railcars29 Jul 2025US 12,370,995 B2Amsted Rail Company, Inc.
- Brake assembly and method for operation of said assembly20 May 2025US 12,304,534 B2Transportation IP Holdings, LLC
- Service brake system for locomotive16 Jul 2026US 2026/0200510 A1Progress Rail Locomotive Inc.
- Method for detecting a state of a brake, brake and brake system having a brake12 Feb 2026US 2026/0042435 A1Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Automatic slack adjuster assembly8 Jan 2026US 2026/0009441 A1Madras Engineering Industries Private Limited
- Brake monitoring systems for railcars25 Dec 2025US 2025/0388204 A1Amsted Rail Company, Inc.
- Brake monitoring systems for railcars24 Oct 2024US 2024/0351566 A1Amsted Rail Company, Inc.
Most cited
By later US patents
- Electric actuators92US 4,546,298 AWestinghouse Brake & Signal Co. Ltd. · 1985
- System for automatically delaying application of a snow brake for a railway vehicle89US 4,334,711 AAmerican Standard Inc. · 1982
- Electric actuators56US 4,546,295 AWestinghouse Brake & Signal Co. Ltd. · 1985
- Rail car brake apparatus37US 4,766,980 AGeneral Signal Corporation · 1988
- Electrically-controlled actuators28US 4,651,852 AWestinghouse Brake & Signal Co. Ltd. · 1987