B61G 7/04
Coupling or uncoupling by means of trackside apparatus
B61G7/04 (Coupling or uncoupling by means of trackside apparatus) appears on 18 US grants and 13 published applications in this corpus.
Search patents in B61G- Granted patents
- 18
- Published applications
- 13
- Assignees
- 11
- Inventors
- 21
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 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 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 3 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Control system with task manager12 Aug 2025US 12,384,037 B2Transportation IP Holdings, LLC
- Railcar spacing tool22 Apr 2025US 12,280,812 B2Inter-Rail Transport, Inc.
- Control system with task manager9 Jan 2024US 11,865,726 B2Transportation IP Holdings, LLC
- Control system with task manager30 May 2023US 11,660,756 B2Transportation IP Holdings, LLC
- Telescoping uncoupling lever assembly15 Nov 2022US 11,498,595 B2Transportation IP Holdings, LLC
- Control system with task manager20 Apr 2023US 2023/0122689 A1Transportation IP Holdings, LLC
- Railcar spacing tool18 Aug 2022US 2022/0258778 A1Inter-Rail Transport, Inc.
- Control system with task manager4 Aug 2022US 2022/0241975 A1Transportation IP Holdings, LLC
- Telescoping uncoupling lever assembly4 Jun 2020US 2020/0172127 A1Standard Car Truck Company
- Control system with task manager26 Mar 2020US 2020/0094411 A1Transportation IP Holdings, LLC
Most cited
By later US patents
- Robotic vehicle for performing rail-related actions51US 8,583,313 B2International Electronic Machines Corp. · 2013
- Automated decoupler for rail cars18US 5,531,337 AInco Limited · 1996
- Remote uncoupling mechanism18US 5,775,524 AKadee Quality Products Co. · 1998
- Model railway system providing uncoupling and delayed recoupling14US 3,942,648 A1976
- Model railroad coupler9US 5,785,192 AKadee Quality Products Co. · 1998