B61G 3/08
Control devices
Official title: Control devices, e.g. for uncoupling
B61G3/08 (Control devices) appears on 22 US grants and 9 published applications in this corpus.
Search patents in B61G- Granted patents
- 22
- Published applications
- 9
- Assignees
- 16
- Inventors
- 37
- Latest grant
- 15 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 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 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Telescoping uncoupling lever assembly15 Nov 2022US 11,498,595 B2Transportation IP Holdings, LLC
- Railcar coupler14 Jan 2020US 10,532,753 B2Bedloe Industries LLC
- Coupler uncoupling control mechanism8 Oct 2019US 10,435,046 B2Qingdao Sri Technology Co., Ltd.
- Railcar coupler11 Jul 2017US 9,701,323 B2Bedloe Industries LLC
- Spring retainer22 Jan 2013US 8,356,721 B1Jackson International, Inc.
- Coupler head for a coupler assembly of a multi-car rail vehicle, coupler assembly, and method of retrofitting a coupler head with a safety device19 Jun 2025US 2025/0196899 A1
- Ride vehicle decoupling control system and method31 Oct 2024US 2024/0359108 A1Universal City Studios LLC
- Telescoping uncoupling lever assembly4 Jun 2020US 2020/0172127 A1Standard Car Truck Company
- Coupler uncoupling control mechanism15 Aug 2019US 2019/0248388 A1Qingdao Sri Technology Co., Ltd.
- Railcar Coupler21 Sep 2017US 2017/0267261 A1Bedloe Industries LLC
Most cited
By later US patents
- Uncoupling lever assembly12US 4,010,854 AStanray Corporation · 1977
- Railway car coupler11US 4,316,549 ADresser Industries, Inc. · 1982
- Railroad car uncoupling lever with antifriction slideway arrangement10US 3,933,252 AHolland Company · 1976
- Telescoping uncoupling lever for railroad cars10US 4,378,890 A1983
- Roller equipped uncoupling cam7US 5,954,211 AWestinghouse Air Brake Company · 1999