B61G 9/24
Linkages between draw-bar and framework
Official title: Linkages between draw-bar and framework (adjustable coupling bars B61G7/12)
B61G9/24 (Linkages between draw-bar and framework) appears on 63 US grants and 31 published applications in this corpus.
Search patents in B61G- Granted patents
- 63
- Published applications
- 31
- Assignees
- 33
- Inventors
- 86
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 4 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 6 | 5 |
| 2020 | 3 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 3 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Yoke-mounted coupler support3 Feb 2026US 12,539,897 B2Strato Technology Solutions, LLC
- Coupler cross keys9 Sep 2025US 12,409,872 B1Gunderson LLC
- Coupler device for a coupling, in particular of a rail vehicle1 Jul 2025US 12,344,288 B2Faiveley Transport Schwab AG
- Regenerative energy absorption device, coupling or joint arrangement having an energy absorption device of this kind, and damping arrangement having an energy absorption device of this kind7 Jan 2025US 12,187,329 B2Voith Patent GmbH
- Linkage device for a vehicle coupling13 Jul 2021US 11,059,501 B2Faiveley Transport Schwab AG
- Spacer arrangement for a mounting compartment of a rail vehicle and method for installing a draft gear and a spacer arrangement in a mounting compartment2 Apr 2026US 2026/0091811 A1Dellner Couplers AB
- End piece for a coupling rod, draft gear for a coupling rod, coupler for a multi-car vehicle and method for building a draft gear or coupler6 Nov 2025US 2025/0340228 A1
- Yoke-mounted coupler support6 Oct 2022US 2022/0315069 A1Strato, Inc.
- Regenerative energy absorption device, coupling or joint arrangement having an energy absorption device of this kind, and damping arrangement having an energy absorption device of this kind14 Jul 2022US 2022/0219741 A1Voith Patent GmbH
- Coupler device for a coupling, in particular of a rail vehicle12 May 2022US 2022/0144323 A1Faiveley Transport Schwab AG
Most cited
By later US patents
- Railcar draft gear housing48US 6,796,448 B1Miner Enterprises, Inc. · 2004
- Self lubricating yoke wear plate arrangement26US 4,055,254 AHolland Company · 1977
- Slackless railway coupler with buff/draft gear22US 6,360,906 B1AMSTED Industries Incorporated · 2002
- Cast draft sill19US 4,252,068 ADresser Industries, Inc. · 1981
- Aligning drawbar17US 4,422,557 AAMSTED Industries Incorporated · 1983