F16D 33/12
Controlled automatically by self-actuated valves
Official title: controlled automatically by self-actuated valves
F16D33/12 (Controlled automatically by self-actuated valves) appears on 10 US grants and 3 published applications in this corpus.
Search patents in F16D- Granted patents
- 10
- Published applications
- 3
- Assignees
- 7
- Inventors
- 20
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 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 | 3 | 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 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Clutch with variable lubrication supply15 Jun 2021US 11,035,421 B2General Electric Company
- Multiple-clutch device31 Dec 2002US 6,499,578 B1Mannesmann Sachs AG
- Multiple-clutch device15 Oct 2002US 6,464,059 B1Mannesmann Sachs AG
- Clutch device with a hydrodynamic clutch and at least two friction clutches30 Apr 2002US 6,378,675 B1Mannesmann Sachs AG
Most cited
By later US patents
- Torque converter clutch with a temperature regulator valve47US 4,423,803 AGeneral Motors Corporation · 1984
- Multiple-clutch device37US 6,464,059 B1Mannesmann Sachs AG · 2002
- Multiple-clutch device16US 6,499,578 B1Mannesmann Sachs AG · 2002
- Clutch device with a hydrodynamic clutch and at least two friction clutches15US 6,378,675 B1Mannesmann Sachs AG · 2002
- Hydraulic coupling8US 4,516,399 AVoith Turbo GmbH & Co. KG · 1985