B61H 13/22
For braking a single wheel or wheels at one side only
Official title: for braking a single wheel or wheels at one side only, e.g. for locomotives or motor railcars
B61H13/22 (For braking a single wheel or wheels at one side only) appears on 8 US grants and 2 published applications in this corpus.
Search patents in B61H- Granted patents
- 8
- Published applications
- 2
- Assignees
- 7
- Inventors
- 9
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 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 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tread brake assembly31 Mar 2026US 12,589,781 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Rail bogie for convertible rail-highway vehicle4 Apr 1989US 4,817,536 A
- Brake arrangement for single axle wheel truck of railway car19 Nov 1985US 4,553,642 APullman Standard Inc.
- Brake lever assembly for railway car13 Aug 1985US 4,534,453 APullman Standard Inc.
- Combination air cylinder and hydraulic slack adjuster22 Jan 1985US 4,494,631 ASloan Valve Company
Most cited
By later US patents
- Rail bogie for convertible rail-highway vehicle11US 4,817,536 A1989
- Combination air cylinder and hydraulic slack adjuster4US 4,494,631 ASloan Valve Company · 1985
- Clasp brake rigging for a railway vehicle3US 4,136,760 ASAB Industri AB · 1979
- Railway brakes3US 4,420,065 ALucas Industries Limited · 1983
- Brake arrangement for single axle wheel truck of railway car2US 4,553,642 APullman Standard Inc. · 1985