B61C 9/14
Hydraulic, including combinations with mechanical gearing
Official title: hydraulic, including combinations with mechanical gearing
B61C9/14 (Hydraulic, including combinations with mechanical gearing) appears on 10 US grants and 9 published applications in this corpus.
Search patents in B61C- Granted patents
- 10
- Published applications
- 9
- Assignees
- 12
- Inventors
- 26
- Latest grant
- 17 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Rail vehicle and a method for operation of a rail vehicle17 Aug 2021US 11,091,177 B2Piasser & Theurer Export von Bahnbaumaschinen Gesellschaft m.b.H.
- Track maintenance machine with an autonomous and redundant power supply and method for operating an energy supply system of a track maintenance machine22 Sep 2020US 10,780,898 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Track maintenance machine4 Aug 2020US 10,730,532 B2Plasser & Theurer Export von Bahnbaumaschinen m.b.H.
- Traction assist for railcar mover30 Jan 2018US 9,878,724 B2Trackmobile LLC
- Method for managing a railway vehicle and railway vehicle operating in accordance with such method26 Dec 2017US 9,849,898 B2Tesmec S.P.A.
- A rail vehicle and a method for operation of a rail vehicle16 May 2019US 2019/0144008 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Track maintenance machine with an autonomous and redundant power supply17 Jan 2019US 2019/0016348 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Track maintenance machine23 Aug 2018US 2018/0237036 A1Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H.
- Transmission26 Jul 2018US 2018/0209524 A1Artemis Intelligent Power Limited
- Traction assist for railcar mover16 Feb 2017US 2017/0043793 A1Trackmobile LLC
Most cited
By later US patents
- Hydraulically driven railway car6US 4,356,773 AQueen's University at Kingston · 1982
- Railroad track vehicle6US 4,721,430 ABrentwood Enterprises Ltd. · 1988
- Power transmission device3US 5,065,645 ANiigata Converter Co., Ltd. · 1991
- Track maintenance machine with an autonomous and redundant power supply and method for operating an energy supply system of a track maintenance machine2US 10,780,898 B2Plasser & Theurer Export Von Bahnbaumaschinen Gesellschaft M. B. H. · 2020
- Hydrodynamic 2-speed hydraulic drive1US 6,952,981 B2Voith Turbo GmbH & Co. KG · 2005