F16D 25/08
Fluid-actuated clutches: with fluid-actuated member not rotating with a clutching member
Official title: with fluid-actuated member not rotating with a clutching member (F16D25/02 takes precedence {F16D25/048 takes precedence})
F16D25/08 (Fluid-actuated clutches: with fluid-actuated member not rotating with a clutching member) appears on 1,029 US grants and 743 published applications in this corpus.
Search patents in F16D- Granted patents
- 1,029
- Published applications
- 743
- Assignees
- 307
- Inventors
- 1,701
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 11 | 0 |
| 1985 | 18 | 0 |
| 1986 | 28 | 0 |
| 1987 | 30 | 0 |
| 1988 | 12 | 0 |
| 1989 | 13 | 0 |
| 1990 | 19 | 0 |
| 1991 | 21 | 0 |
| 1992 | 10 | 0 |
| 1993 | 14 | 0 |
| 1994 | 13 | 0 |
| 1995 | 17 | 0 |
| 1996 | 11 | 0 |
| 1997 | 13 | 0 |
| 1998 | 21 | 0 |
| 1999 | 26 | 0 |
| 2000 | 20 | 0 |
| 2001 | 22 | 15 |
| 2002 | 29 | 17 |
| 2003 | 29 | 17 |
| 2004 | 10 | 30 |
| 2005 | 14 | 36 |
| 2006 | 25 | 19 |
| 2007 | 23 | 31 |
| 2008 | 13 | 24 |
| 2009 | 17 | 22 |
| 2010 | 14 | 23 |
| 2011 | 16 | 43 |
| 2012 | 29 | 30 |
| 2013 | 32 | 30 |
| 2014 | 34 | 20 |
| 2015 | 34 | 48 |
| 2016 | 34 | 26 |
| 2017 | 30 | 56 |
| 2018 | 37 | 52 |
| 2019 | 42 | 49 |
| 2020 | 60 | 38 |
| 2021 | 50 | 33 |
| 2022 | 35 | 35 |
| 2023 | 20 | 17 |
| 2024 | 26 | 15 |
| 2025 | 16 | 12 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electric transmission with friction clutch disengagement device6 Oct 2026US 12,752,616 B2Dana Automotive Systems Group, LLC
- Clutch unit for reversibly coupling a drive side to an output side of a drive train, and actuator for a clutch unit of this type9 Jun 2026US 12,650,151 B2Schaeffler Technologies AG & Co. KG
- Guide jig5 May 2026US 12,618,513 B2Toyota Jidosha Kabushiki Kaisha
- Coupling device and drive train for a motor vehicle24 Mar 2026US 12,584,526 B2Schaeffler Technologies AG & Co. KG
- Torque transmission assembly for a motor vehicle10 Mar 2026US 12,571,455 B2BorgWarner Inc.
- Electric transmission with friction clutch disengagement device1 Oct 2026US 2026/0296174 A1Dana Automotive Systems Group, LLC
- Spring released hydraulic applied actuator for a work vehicle1 Oct 2026US 2026/0298296 A1CNH Industrial Italia S.p.A.
- Clutch unit for reversibly coupling a drive side to an output side of a drive train27 Aug 2026US 2026/0251187 A1Schaeffler Technologies AG & Co. KG
- Clutch control device20 Aug 2026US 2026/0243315 A1Honda Motor Co., Ltd.
- Thermal management module9 Jul 2026US 2026/0194155 A1Bontaz Centre
Most cited
By later US patents
- Controlled power clutch139US 4,081,065 A1978
- Overload apparatus80US 4,770,281 AHorton Manufacturing Co., Inc. · 1988
- Power transmission mechanism78US 4,433,767 A1984
- Power train having an internal combustion engine, energy converter, clutch, and accessory78US 6,668,953 B1LuK Lamellan und Kunpplungsbau Beteiligungs KG · 2003
- Start-up clutch assembly68US 6,868,949 B2BorgWarner Inc. · 2005