F16D 35/025
The valve being actuated by inertia
Official title: {the valve being actuated by inertia, e.g. using a flyweight or a centrifugal mass (F16D35/026 takes precedence)}
F16D35/025 (The valve being actuated by inertia) appears on 8 US grants and 5 published applications in this corpus.
Search patents in F16D- Granted patents
- 8
- Published applications
- 5
- Assignees
- 9
- Inventors
- 19
- Latest grant
- 3 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 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 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Live center viscous clutch3 Mar 2020US 10,578,170 B2Horton, Inc.
- Morning sickness valve system for viscous clutch3 Mar 2020US 10,578,171 B2Horton, Inc.
- Inclusion of an anti-drain valve in viscous fan clutches13 Oct 2009US 7,600,623 B1Standard Motor Products, Inc.
- Fluid friction clutch30 Aug 2005US 6,935,478 B2Behr GmbH & Co.
- Temperature sensitive fluid type fan coupling apparatus9 Nov 2004US 6,814,033 B2Usui Kokusai Sangyo Kaisha Limited
- Live center viscous clutch13 Sep 2018US 2018/0259009 A1Horton, Inc.
- Morning sickness valve system for viscous clutch6 Sep 2018US 2018/0252275 A1Horton, Inc.
- Viscous Fluid Coupling Device11 Sep 2008US 2008/0217132 A1Aisin Seiki Kabushiki Kaisha
- Fluid friction clutch2 Sep 2004US 2004/0168877 A1Behr GmbH & Co.
- Temperature sensitive fluid type fan coupling apparatus16 Jan 2003US 2003/0012662 A1Usui Kokusai Sangyo Kaisha Limited
Most cited
By later US patents
- Fluid friction clutch24US 6,935,478 B2Behr GmbH & Co. · 2005
- Temperature responsive coupling20US 3,972,399 AEaton Corporation · 1976
- Fluid coupling15US 3,968,866 AEaton Corporation · 1976
- Fluid shear-friction coupling8US 3,983,980 ADaimler-Benz Aktiengesellschaft · 1976
- Inclusion of an anti-drain valve in viscous fan clutches4US 7,600,623 B1Standard Motor Products, Inc. · 2009