B61G 9/00
Draw-gear
B61G9/00 (Draw-gear) appears on 304 US grants and 177 published applications in this corpus.
Search patents in B61G- Granted patents
- 304
- Published applications
- 177
- Assignees
- 111
- Inventors
- 391
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 11 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 0 |
| 2002 | 8 | 3 |
| 2003 | 2 | 3 |
| 2004 | 5 | 4 |
| 2005 | 3 | 10 |
| 2006 | 5 | 7 |
| 2007 | 7 | 6 |
| 2008 | 4 | 13 |
| 2009 | 6 | 7 |
| 2010 | 4 | 4 |
| 2011 | 7 | 4 |
| 2012 | 6 | 9 |
| 2013 | 8 | 7 |
| 2014 | 7 | 4 |
| 2015 | 4 | 6 |
| 2016 | 5 | 6 |
| 2017 | 7 | 11 |
| 2018 | 5 | 10 |
| 2019 | 14 | 14 |
| 2020 | 8 | 13 |
| 2021 | 10 | 7 |
| 2022 | 11 | 8 |
| 2023 | 6 | 7 |
| 2024 | 3 | 5 |
| 2025 | 6 | 4 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coupling arrangement25 Aug 2026US 12,715,486 B2Bradken Resources Pty Limited
- Coupler buffer device mounting structure with small-fastening-torque pushing under compact space21 Jul 2026US 12,686,419 B2CRRC Nanjing Puzhen Co., Ltd.
- Extended travel railcar damping system21 Jul 2026US 12,686,420 B2A. Stucki Company
- Coupler for a rail vehicle and rail vehicle with a coupler9 Jun 2026US 12,649,501 B2Dellner Couplers AB
- End enclosure for light rail vehicles26 May 2026US 12,637,117 B2Applied Research Associates, Inc.
- Railcar drawbar assembly17 Sep 2026US 2026/0274310 A1Miner Enterprises, Inc.
- Tank Car Underframe2 Jul 2026US 2026/0184352 A1Trinity Tank Car, Inc.
- 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
- Shock-absorbing device5 Mar 2026US 2026/0062038 A1
- Rail vehicle coupler system26 Feb 2026US 2026/0054754 A1Transportation IP Holdings, LLC
Most cited
By later US patents
- Railcar draft gear housing48US 6,796,448 B1Miner Enterprises, Inc. · 2004
- Elastomer spring/hydraulic shock absorber cushioning device38US 5,845,796 AMiner Enterprises, Inc. · 1998
- Railcar draft gear assembly and system37US 6,446,820 B1AMSTED Industries Incorporated · 2002
- Energy absorbing assembly32US 4,346,795 AHarvey Hubbell Incorporated · 1982
- Draw bar force sensing locomotive control system31US 4,838,173 ARockwell International Corporation · 1989