B61G 3/10
Couplings comprising mating parts of similar shape or form which can be
Official title: with coupling heads in the form of hook-like interengaging rigid jaws, e.g. "Willison" type
B61G3/10 (Couplings comprising mating parts of similar shape or form which can be) appears on 8 US grants and 5 published applications in this corpus.
Search patents in B61G- Granted patents
- 8
- Published applications
- 5
- Assignees
- 7
- Inventors
- 20
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 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 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Extendable coupler2 Jun 2026US 12,643,582 B2
- Fuel pressure actuated coupling for train consist18 Aug 2015US 9,108,644 B2Electro-Motive Diesel, Inc.
- Electrically operated hook coupler with manual override19 Mar 1996US 5,499,728 AWestinghouse Air Brake Company
- Telescoping uncoupling lever19 Jun 1984US 4,454,953 A
- Rotary locksetting mechanism for a rigid jaw coupler3 Feb 1981US 4,248,354 AMidland-Ross Corporation
- Automatic Railcar Coupling System8 Oct 2026US 2026/0307688 A1Trackmobile LLC
- Rail vehicle coupler system26 Feb 2026US 2026/0054754 A1Transportation IP Holdings, LLC
- Extendable Coupler21 Dec 2023US 2023/0406371 A1
- Method for the manufacture of hard surface layer on the automatic freight car coupler part26 Sep 2019US 2019/0292625 A1Rail 1520 IP Ltd
- Fuel pressure actuated coupling for train consist1 May 2014US 2014/0116283 A1Electro-Motive Diesel, Inc.
Most cited
By later US patents
- Rotary locksetting mechanism for a rigid jaw coupler17US 4,248,354 AMidland-Ross Corporation · 1981
- Automatic coupler for railway vehicles11US 4,146,143 AKnorr-Bremse GmbH · 1979
- Car coupler9US 4,084,704 AMidland-Ross Corporation · 1978
- Telescoping uncoupling lever4US 4,454,953 A1984
- Electrically operated hook coupler with manual override4US 5,499,728 AWestinghouse Air Brake Company · 1996