F16D 35/029
Actuated by varying the volume of the reservoir chamber
Official title: {actuated by varying the volume of the reservoir chamber}
F16D35/029 (Actuated by varying the volume of the reservoir chamber) appears on 11 US grants and 3 published applications in this corpus.
Search patents in F16D- Granted patents
- 11
- Published applications
- 3
- Assignees
- 11
- Inventors
- 12
- Latest grant
- 29 Nov 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 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 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-speed viscous clutch29 Nov 2016US 9,506,507 B2Horton, Inc.
- Device for controlling a coupling25 Jan 2000US 6,016,896 AGKN Viscodrine GmbH
- Transmitting coupling with maneuvering characteristics19 Oct 1999US 5,967,275 AGKN Viscodrive GmbH
- Hydraulic friction clutch13 Apr 1999US 5,893,441 ABehr GmbH & Co.
- Method of and device for controlling a coupling13 Jan 1998US 5,706,923 AGKN Automotive AG
Most cited
By later US patents
- Method and device for controlling a coupling31US 5,690,201 AGKN Viscodrive GmbH · 1997
- Fluid friction coupling with closing slide21US 5,004,085 AViscodrive GmbH · 1991
- Method of and device for controlling a coupling19US 5,526,912 AGKN Automotive AG · 1996
- Method of and device for controlling a coupling13US 5,706,923 AGKN Automotive AG · 1998
- Viscous fluid clutch8US 4,282,960 ACummins Engine Company, Inc. · 1981