B61G 9/12
Continuous draw-gear combined with buffing appliances
Official title: Continuous draw-gear combined with buffing appliances, e.g. incorporated in a centre sill
B61G9/12 (Continuous draw-gear combined with buffing appliances) appears on 34 US grants and 12 published applications in this corpus.
Search patents in B61G- Granted patents
- 34
- Published applications
- 12
- Assignees
- 24
- Inventors
- 53
- Latest grant
- 22 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 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 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Crash energy management systems for car coupling systems of rail cars22 Oct 2024US 12,122,433 B2Amsted Rail Company, Inc.
- Railcar energy absorption system and related method for absorbing energy on a railcar24 Jan 2023US 11,560,162 B2Miner Enterprises, Inc.
- Railcar draft gear assembly25 Jun 2019US 10,328,957 B2Miner Enterprises, Inc.
- End-of car energy management system for railcars2 Oct 2018US 10,086,852 B2Canadian National Railway Company
- Railcar draft gear assembly17 Oct 2017US 9,789,888 B2Miner Enterprises, Inc.
- Mounting interface and buffer system for a rail vehicle14 Mar 2024US 2024/0083473 A1Siemens Mobility GmbH
- Crash energy management systems for car coupling systems of rail cars4 Aug 2022US 2022/0242461 A1Amsted Rail Company, Inc.
- Railcar damping system7 Jul 2022US 2022/0212699 A1A. Stucki Company
- Railcar energy absorption system and related method for absorbing energy on a railcar10 Dec 2020US 2020/0385033 A1Miner Enterprises, Inc.
- Railcar draft gear assembly27 Jul 2017US 2017/0210398 A1Miner Enterprises, Inc.
Most cited
By later US patents
- Railroad car draft gear assembly with friction bore wear liners20US 4,591,059 AMiner Enterprises, Inc. · 1986
- Striker for a railway coupler19US 4,445,617 AMcConway & Torley Corporation · 1984
- Segmented sliding sill wear plate19US 4,784,068 AZeftek, Inc. · 1988
- Segmented sliding sill wear plate19US 4,913,062 AZeftek, Inc. · 1990
- All purpose railroad car17US 4,636,119 ATrailer Train Company · 1987