F03C 1/0681
Using a valve in a system with several motor chambers, wherein the
Official title: {using a valve in a system with several motor chambers, wherein the flow path through the chambers can be changed}
F03C1/0681 (Using a valve in a system with several motor chambers, wherein the) appears on 8 US grants and 7 published applications in this corpus.
Search patents in F03C- Granted patents
- 8
- Published applications
- 7
- Assignees
- 9
- Inventors
- 18
- Latest grant
- 17 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 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 | 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 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cylinder on demand hydraulic device17 May 2022US 11,333,145 B2
- Axial piston machine8 Dec 2020US 10,859,061 B2Mahle International GmbH
- Variable displacement pump-motor11 Aug 2020US 10,738,757 B2Regetns of the University of Minnesota
- Hydraulic actuation unit, particularly for controlling the starting and stopping of hydraulic motors21 Mar 2017US 9,599,091 B2Poclain Hydraulics Industriale S.R.L.
- Hydraulic motor driving device15 Jul 2014US 8,776,666 B2Kayaba Industry Co., Ltd.
- Cylinder on demand hydraulic device16 Sep 2021US 2021/0285438 A1
- Axial piston machine13 Sep 2018US 2018/0258907 A1Mahle International GmbH
- Variable displacement pump-motor8 Jun 2017US 2017/0159641 A1Regetns of the University of Minnesota
- Hydraulic actuation unit, particularly for controlling the starting and stopping of hydraulic motors2 Oct 2014US 2014/0290475 A1Poclain Hydraulics Industriale S.R.L.
- Method of operating a pump/motor9 Feb 2012US 2012/0034115 A1Robert Bosch GmbH
Most cited
By later US patents
- Servomotor featuring a servovalve controlling a hydraulic drum motor3US 4,381,701 ARegie Nationale des Usines Renault · 1983
- Variable displacement pump-motor2US 10,738,757 B2Regetns of the University of Minnesota · 2020
- Hydraulic motor with adjustable flow volume1US 4,413,548 AG. Dusterloh GmbH · 1983