B61G 1/38
Rotatable about line of traction
Official title: rotatable about line of traction, e.g. for cars which are tiltable when coupled
B61G1/38 (Rotatable about line of traction) appears on 12 US grants and 2 published applications in this corpus.
Search patents in B61G- Granted patents
- 12
- Published applications
- 2
- Assignees
- 7
- Inventors
- 14
- Latest grant
- 30 Jul 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotary coupler for a railway car30 Jul 2013US 8,496,128 B2McConway & Torley Corporation
- Railway coupler arrangement6 Nov 1984US 4,480,758 AMcConway & Torley Corporation
- Rotary connector12 Jan 1982US 4,310,099 AMidland-Ross Corporation
- Railway car rotary coupler19 May 1981US 4,267,935 ADresser Industries, Inc.
- Railroad car draft gear and coupler arrangement6 Jan 1981US 4,243,149 AMidland-Ross Corporation
Most cited
By later US patents
- Roll-over lock protection for railroad car coupler12US 4,172,530 AAMSTED Industries Incorporated · 1979
- Rotary coupler11US 4,093,079 ADresser Industries, Inc. · 1978
- Pin type solid butt rotary coupler11US 4,230,228 AAMSTED Industries Incorporated · 1980
- Railway coupler arrangement11US 4,480,758 AMcConway & Torley Corporation · 1984
- Railway car rotary coupler10US 4,267,935 ADresser Industries, Inc. · 1981