F03C 1/0684
Using a by-pass valve
Official title: {using a by-pass valve}
F03C1/0684 (Using a by-pass valve) appears on 7 US grants and 4 published applications in this corpus.
Search patents in F03C- Granted patents
- 7
- Published applications
- 4
- Assignees
- 8
- Inventors
- 18
- Latest grant
- 20 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 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 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Axial piston machine20 Oct 2020US 10,808,675 B2Mahle International GmbH
- Hydraulic pump assembly11 Jun 2019US 10,317,916 B2BorgWarner Sweden AB
- 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.
- Method and device for preventing an interruption of tension during connection and disconnection of hydraulic motors30 Nov 1999US 5,992,145 AZF Friedrichshafen AG
- Axial piston machine15 Feb 2018US 2018/0045173 A1Mahle International GmbH
- A hydraulic pump assembly18 Feb 2016US 2016/0048133 A1BorgWarner TorqTransfer Systems AB
- Hydraulic actuation unit, particularly for controlling the starting and stopping of hydraulic motors2 Oct 2014US 2014/0290475 A1Poclain Hydraulics Industriale S.R.L.
- Hydraulic motor driving device2 Feb 2012US 2012/0024145 A1Kayaba Industry Co., Ltd.
Most cited
By later US patents
- Hydraulic circuit for limiting the torque of a hydrostatic hydraulic motor connected in closed circuit to a hydraulic pump18US 5,211,015 ALiebherr-Werk Bischofshofen Ges.m.b.H. · 1993
- Method of preventing cavitation in an axial piston pump during an aiding load and system and valve employing the same1US 5,590,525 ASundstrand Corporation · 1997
- Method and device for preventing an interruption of tension during connection and disconnection of hydraulic motors1US 5,992,145 AZF Friedrichshafen AG · 1999