B61G 7/12
Adjustable coupling bars
Official title: Adjustable coupling bars, e.g. for centralisation purposes
B61G7/12 (Adjustable coupling bars) appears on 36 US grants and 29 published applications in this corpus.
Search patents in B61G- Granted patents
- 36
- Published applications
- 29
- Assignees
- 27
- Inventors
- 78
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 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 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 2 | 3 |
| 2018 | 2 | 0 |
| 2019 | 3 | 1 |
| 2020 | 0 | 3 |
| 2021 | 0 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 3 |
| 2024 | 2 | 3 |
| 2025 | 1 | 0 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Extendable coupler2 Jun 2026US 12,643,582 B2
- End enclosure for light rail vehicles26 May 2026US 12,637,117 B2Applied Research Associates, Inc.
- System for automatic coupling and release of vehicles travelling on the rail network20 Jan 2026US 12,528,522 B2Co.El.Da. Software Srl
- Mechanical coupling in automated gladhand system13 Jan 2026US 12,522,261 B2Trackmobile LLC
- Coupler device for a coupling, in particular of a rail vehicle1 Jul 2025US 12,344,288 B2Faiveley Transport Schwab AG
- Rail vehicle coupler system26 Feb 2026US 2026/0054754 A1Transportation IP Holdings, LLC
- Coupler with angular position detection assembly, angular position detection system and method25 Jul 2024US 2024/0246580 A1Dellner Couplers AB
- End enclosure for light rail vehicles4 Apr 2024US 2024/0109563 A1Applied Research Associates, Inc.
- System for automatic coupling and release of vehicles travelling on the rail network4 Jan 2024US 2024/0001974 A1Co.El.Da. Software Srl
- Extendable Coupler21 Dec 2023US 2023/0406371 A1
Most cited
By later US patents
- Slackless railway coupler connection34US 4,700,853 AAMSTED Industries Incorporated · 1987
- Elastic hinge of a central buffer coupling for rail cars13US 4,136,787 AScharfenbergkupplung GmbH · 1979
- Coupler support mechanism8US 8,960,464 B2Wabtec Holding Corp. · 2015
- Device for controlling the return of a central coupling for rail vehicles to its central position7US 4,013,175 ABergische Stahl-Industrie · 1977
- Adjustable bracket assembly for a rail car coupler7US 4,032,017 ASouthern Railway Company · 1977