F16D 25/02
Fluid-actuated clutches: with means for actuating or keeping engaged by a force
Official title: with means for actuating or keeping engaged by a force derived at least partially from one of the shafts to be connected
F16D25/02 (Fluid-actuated clutches: with means for actuating or keeping engaged by a force) appears on 39 US grants and 24 published applications in this corpus.
Search patents in F16D- Granted patents
- 39
- Published applications
- 24
- Assignees
- 27
- Inventors
- 72
- Latest grant
- 1 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 1 | 3 |
| 2006 | 3 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 3 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 3 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for configuring selective couplers in a multi-speed transmission1 Aug 2023US 11,713,810 B2Allison Transmission, Inc.
- Friction engaging device18 Jan 2022US 11,226,015 B2Mazda Motor Corporation
- Friction engaging device9 Nov 2021US 11,168,745 B2Mazda Motor Corporation
- Central release mechanism for a pneumatic clutch actuating means25 May 2021US 11,015,660 B2FTE automotive GmbH
- Clutch actuator with automatic wear compensation26 May 2020US 10,663,015 B2KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Systems and methods for configuring selective couplers in a multi-speed transmission4 Aug 2022US 2022/0243812 A1Allison Transmission, Inc.
- Friction engaging device3 Dec 2020US 2020/0378451 A1Mazda Motor Corporation
- Friction engaging device3 Dec 2020US 2020/0378452 A1Mazda Motor Corporation
- Clutch device for a drivetrain of a vehicle23 Apr 2020US 2020/0124114 A1Schaeffler Technologies AG & Co. KG
- Central release mechanism for a pneumatic clutch actuating means12 Sep 2019US 2019/0277348 A1FTE automotive GmbH
Most cited
By later US patents
- Blocked transmission36US 4,194,410 AEaton Corporation · 1980
- Multi-mode clutch for change-speed transmissions36US 5,031,746 A1991
- Bi-directional multi-mode clutch for change-speed transmission unit for automatic change speed transmissions24US 5,106,348 A1992
- Ball ramp clutch having force amplifying configuration23US 6,691,845 B2BorgWarner Inc. · 2004
- Automatic clutch control system for coupling two rotating shafts22US 4,924,989 AValeo · 1990