B61H 13/20
Transmitting mechanisms
B61H13/20 (Transmitting mechanisms) appears on 137 US grants and 84 published applications in this corpus.
Search patents in B61H- Granted patents
- 137
- Published applications
- 84
- Assignees
- 70
- Inventors
- 240
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 4 |
| 2007 | 3 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 2 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 3 |
| 2015 | 2 | 6 |
| 2016 | 6 | 6 |
| 2017 | 3 | 1 |
| 2018 | 6 | 3 |
| 2019 | 4 | 10 |
| 2020 | 4 | 9 |
| 2021 | 8 | 9 |
| 2022 | 5 | 3 |
| 2023 | 9 | 5 |
| 2024 | 3 | 5 |
| 2025 | 5 | 1 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B61H 13/24For cars with two axles or bogies with two axles and braking57
- B61H 13/30Adjustable to take account of variation of vehicle weight9
- B61H 13/22For braking a single wheel or wheels at one side only8
- B61H 13/26For cars or bogies with more than two axles or bogies, the7
- B61H 13/28With variable leverage or mechanical advantage to obtain quick take-up0
Recent patents
- Braking system for a vehicle30 Jun 2026US 12,668,286 B2WABTEC Hauts-de-France
- 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
- Control system for a railway convoy, particularly for the transport of goods9 Dec 2025US 12,491,920 B2FAIVELEY TRANSPORT ITALIA S. p. A.
- Parking brake control method for electromechanical brake system of urban rail vehicle10 Jun 2025US 12,325,394 B2CRRC Nanjing Puzhen Co., Ltd.
- System and method for activating an electronic processing means of a vehicle, and control system24 Sep 2026US 2026/0285379 A1FAIVELEY TRANSPORT ITALIA S. p. A.
- Parking brake system for locomotive16 Jul 2026US 2026/0200508 A1Progress Rail Locomotive Inc.
- Service brake system for locomotive16 Jul 2026US 2026/0200510 A1Progress Rail Locomotive Inc.
- Railway braking system for a railway vehicle having brakes with at least one shoe, and railway vehicle provided with such a system25 Jun 2026US 2026/0175881 A1WABTEC Hauts-de-France
- 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
Most cited
By later US patents
- Rail car brake apparatus37US 4,766,980 AGeneral Signal Corporation · 1988
- Handbrake for single-cylinder truck-mounted railway car brake34US 5,069,312 AWestinghouse Air Brake Company · 1991
- Single actuator truck mount brake system27US 5,495,921 ANew York Air Brake Corporation · 1996
- Handbrake mechanism for single-cylinder, truck-mounted railway car brake assembly24US 4,771,868 AAmerican Standard Inc. · 1988
- Single-cylinder, truck-mounted brake assembly23US 4,793,446 AAmerican Standard Inc. · 1988