F01P 7/085
Actuated by fluid pressure
Official title: {actuated by fluid pressure}
F01P7/085 (Actuated by fluid pressure) appears on 33 US grants and 10 published applications in this corpus.
Search patents in F01P- Granted patents
- 33
- Published applications
- 10
- Assignees
- 16
- Inventors
- 52
- Latest grant
- 16 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 3 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Valve control system for viscous friction clutch16 Jan 2024US 11,873,868 B2Horton, Inc.
- Accessible clutch attachment assembly and method4 Oct 2022US 11,459,933 B2Horton, Inc.
- Two speed clutch with viscous system20 Oct 2020US 10,808,776 B2Kit Masters
- Fan clutch19 Dec 2017US 9,845,833 B2GKN Rockford, Inc.
- Two speed clutch with viscous system19 Dec 2017US 9,845,836 B2Kit Masters
- Valve Control System for Viscous Friction Clutch6 Jul 2023US 2023/0213072 A1Horton, Inc.
- Accessible clutch attachment assembly and method31 Mar 2022US 2022/0099015 A1Horton, Inc.
- Two speed clutch with viscous system15 Mar 2018US 2018/0073576 A1Kit Masters
- Fan clutch7 Apr 2016US 2016/0097431 A1GKN Rockford, Inc.
- Two speed clutch with viscous system24 Dec 2015US 2015/0369306 A1Kit Masters
Most cited
By later US patents
- Automatic control valves579US 4,176,630 ADynair Limited · 1979
- Spring engaged fluid released fan clutch for a live shaft34US 4,355,710 AHorton Industries, Inc. · 1982
- Rotational control apparatus32US 5,636,719 AHorton, Inc. · 1997
- Fluid engaged spring released fan clutch having a modular mount for a spring engaged fluid released fan clutch29US 4,425,993 AHorton Industries, Inc. · 1984
- Clutch drive28US 4,483,430 AThe Bendix Corporation · 1984