B61G 7/02
Hand tools for coupling or uncoupling
B61G7/02 (Hand tools for coupling or uncoupling) appears on 18 US grants and 10 published applications in this corpus.
Search patents in B61G- Granted patents
- 18
- Published applications
- 10
- Assignees
- 17
- Inventors
- 36
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 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 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Railcar uncoupling lever apparatus and methods of using the same12 Nov 2024US 12,139,180 B2Holland Company
- Telescoping uncoupling lever assembly15 Nov 2022US 11,498,595 B2Transportation IP Holdings, LLC
- Automatic uncoupling mechanism for couplers27 Jul 2021US 11,072,353 B2Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd. X
- Uncoupling lever for rail car with biasing member13 Aug 2019US 10,377,395 B2Ireco, Inc.
- Railcar uncoupling lever system and method of use10 Jul 2018US 10,017,194 B1
- Coupler arrangement for rail vehicle28 Mar 2024US 2024/0101168 A1Dellner Couplers AB
- Device for deflection of a coupler of a train vehicle, coupler of a train, car of a multi-car vehicle and method for coupling a first car of a multi-car vehicle to a second car of a multi-car vehicle27 Jul 2023US 2023/0234624 A1Dellner Couplers AB
- Railcar Uncoupling Lever Apparatus and Methods of Using the Same25 May 2023US 2023/0159067 A1Holland Company
- Telescoping uncoupling lever assembly4 Jun 2020US 2020/0172127 A1Standard Car Truck Company
- Automatic uncoupling mechanism for couplers16 May 2019US 2019/0144013 A1Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd.
Most cited
By later US patents
- Coupler draft key puller9US 5,129,133 A1992
- Coupled draft key puller8US 5,701,649 AHydra-Tech International Corporation · 1997
- Uncoupling lever assembly6US 7,686,177 B1Jackson International, Inc. · 2010
- Telescoping, uncoupling lever and glide housings for a railroad car6US 7,900,786 B2Stanrail Corporation · 2011
- Uncoupling lever assembly5US 4,602,717 AStanrail Corporation · 1986