F16D 2021/0661
Hydraulically actuated multiple lamellae clutches
Official title: {Hydraulically actuated multiple lamellae clutches}
F16D2021/0661 (Hydraulically actuated multiple lamellae clutches) appears on 242 US grants and 263 published applications in this corpus.
Search patents in F16D- Granted patents
- 242
- Published applications
- 263
- Assignees
- 83
- Inventors
- 492
- Latest grant
- 23 Jun 2026
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 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 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 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 7 | 1 |
| 2003 | 3 | 3 |
| 2004 | 1 | 3 |
| 2005 | 1 | 13 |
| 2006 | 6 | 7 |
| 2007 | 6 | 12 |
| 2008 | 9 | 14 |
| 2009 | 5 | 12 |
| 2010 | 8 | 14 |
| 2011 | 9 | 14 |
| 2012 | 16 | 19 |
| 2013 | 18 | 9 |
| 2014 | 13 | 3 |
| 2015 | 10 | 8 |
| 2016 | 4 | 10 |
| 2017 | 12 | 14 |
| 2018 | 7 | 17 |
| 2019 | 14 | 20 |
| 2020 | 17 | 21 |
| 2021 | 22 | 14 |
| 2022 | 18 | 10 |
| 2023 | 8 | 11 |
| 2024 | 9 | 10 |
| 2025 | 8 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual clutch transmission system23 Jun 2026US 12,663,058 B2Punch Powertrain Psa E-Transmissions N.V.
- Torque transmission assembly for a motor vehicle10 Mar 2026US 12,571,455 B2BorgWarner Inc.
- Hybrid driving module1 Apr 2025US 12,263,735 B2Valeo Kapec Co., Ltd.
- Hybrid driving module25 Mar 2025US 12,257,903 B2Valeo Kapec Co., Ltd.
- Double clutch assembly of electric driving apparatus for vehicle and electric driving apparatus including same25 Mar 2025US 12,259,011 B2Erae Ams Co., Ltd.
- Compact parallel double clutch unit12 Mar 2026US 2026/0071655 A1Transmisiones Y Equipos Mecanicos, S.A. De Cv
- Clutch assembly for selectively coupling one of a first output shaft and a second output shaft with an input shaft, transmission unit, and vehicle31 Jul 2025US 2025/0243912 A1Volvo Car Corporation
- Electric traction axle/beam24 Apr 2025US 2025/0129837 A1Fpt Industrial S.P.A.
- Hydraulic clutch, travel power transmission device, and work vehicle26 Dec 2024US 2024/0426351 A1Kubota Corporation
- Multi-pack clutch assembly with actuator7 Nov 2024US 2024/0369111 A1Dana Belgium N.V.
Most cited
By later US patents
- Multi-speed transmission with a series disconnect clutch87US 8,939,863 B2GM Global Technology Operations LLC · 2015
- Power transmission79US 4,732,253 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1988
- Clutch arrangement46US 5,887,690 AZF Friedrichshafen AG · 1999
- Multiple-clutch device45US 6,523,657 B1Mannesmann Sachs AG · 2003
- Multiple-clutch device37US 6,464,059 B1Mannesmann Sachs AG · 2002