F16D 2500/70621
Pd control
Official title: PD control
F16D2500/70621 (Pd control) appears on 5 US grants and 3 published applications in this corpus.
Search patents in F16D- Granted patents
- 5
- Published applications
- 3
- Assignees
- 6
- Inventors
- 13
- Latest grant
- 13 Dec 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for reducing chatter vibrations of a friction clutch in a drivetrain of a motor vehicle13 Dec 2016US 9,518,624 B2Schaeffler Technologies AG & Co. KG
- Method for determining the filling pressure for a clutch21 Sep 2010US 7,798,940 B2Getrag Ford Tranmissions GmbH
- Closed-loop, valve-based transmission control algorithum20 Mar 2007US 7,194,349 B2Eaton Corporation
- Method for regulating a clutch or a brake in a transmission15 Jul 2003US 6,594,573 B1ZF Friedrichshafen AG
- Temperature compensated closed loop control of a hydraulically controlled clutch and APU starting system11 Jun 1991US 5,023,789 ASundstrand Corporation
- Method for reducing chatter vibrations of a friction clutch in a drivetrain of a motor vehicle18 Feb 2016US 2016/0047428 A1Schaeffler Technologies AG & Co. KG
- Method for Determining the Filling Pressure for a Clutch27 Mar 2008US 2008/0076631 A1Getrag Ford Tranmissions GmbH
- Closed-loop, valve-based transmission control algorithum22 Dec 2005US 2005/0283297 A1Eaton Corporation (RJ)
Most cited
By later US patents
- Temperature compensated closed loop control of a hydraulically controlled clutch and APU starting system24US 5,023,789 ASundstrand Corporation · 1991
- Method for regulating a clutch or a brake in a transmission18US 6,594,573 B1ZF Friedrichshafen AG · 2003
- Closed-loop, valve-based transmission control algorithum5US 7,194,349 B2Eaton Corporation · 2007
- Method for determining the filling pressure for a clutch2US 7,798,940 B2Getrag Ford Tranmissions GmbH · 2010
- Method for reducing chatter vibrations of a friction clutch in a drivetrain of a motor vehicle2US 9,518,624 B2Schaeffler Technologies AG & Co. KG · 2016