B61G 1/40
Couplings comprising interengaging parts of different shape or form and having links
Official title: with coupling bars having an enlarged or recessed end which slips into the opposite coupling part and is gripped thereby, e.g. arrow-head type; with coupling parts having a tong-like gripping action
B61G1/40 (Couplings comprising interengaging parts of different shape or form and having links) appears on 10 US grants and 8 published applications in this corpus.
Search patents in B61G- Granted patents
- 10
- Published applications
- 8
- Assignees
- 9
- Inventors
- 27
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 3 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mechanical coupling in automated gladhand system13 Jan 2026US 12,522,261 B2Trackmobile LLC
- Railway vehicle coupler having robust knuckle22 Jul 2025US 12,365,370 B2Amsted Rail Company, Inc.
- Assembly with a bearing bracket and a coupler rod or a connection rod; car of a multi-car vehicle and method for transmitting pushing forces applied to a coupler rod or connection rod to a bearing bracket20 Oct 2020US 10,807,618 B2Dellner Couplers AB
- Coupler uncoupling control mechanism8 Oct 2019US 10,435,046 B2Qingdao Sri Technology Co., Ltd.
- Linkage for connecting a railcar body-side end region of a coupling rod in an articulated manner to a railcar body2 Apr 2019US 10,246,108 B2Voith Patent GmbH
- Mechanical Coupling in Automated Gladhand System10 Aug 2023US 2023/0249719 A1Trackmobile LLC
- Railway vehicle coupler having robust knuckle27 Jul 2023US 2023/0234623 A1Amsted Rail Company, Inc.
- Coupler uncoupling control mechanism15 Aug 2019US 2019/0248388 A1Qingdao Sri Technology Co., Ltd.
- Linkage for connecting a railcar body-side end region of a coupling rod in an articulated manner to a railcar body22 Feb 2018US 2018/0050709 A1Voith Patent GmbH
- Assembly with a bearing bracket and a coupler rod or a connection rod; Car of a multi-car vehicle and method for transmitting pushing forces applied to a coupler rod or connection rod to a bearing bracket10 Aug 2017US 2017/0225696 A1Dellner Couplers AB
Most cited
By later US patents
- Slackless railway coupler connection34US 4,456,133 AAMSTED Industries Incorporated · 1984
- Automatic coupling for rail borne vehicles14US 4,927,035 AGeorg Fischer Aktiengesellschaft · 1990
- Linkage for connecting a railcar body-side end region of a coupling rod in an articulated manner to a railcar body3US 10,246,108 B2Voith Patent GmbH · 2019
- Coupler yoke and coupler draft gear2US 8,684,199 B2Qiqihar Railway Rolling Stock Co., Ltd. · 2014
- Railroad coupler mount2US 9,073,561 B22015