F16D 2021/0669
Hydraulically actuated clutches with two clutch plates
Official title: {Hydraulically actuated clutches with two clutch plates}
F16D2021/0669 (Hydraulically actuated clutches with two clutch plates) appears on 52 US grants and 58 published applications in this corpus.
Search patents in F16D- Granted patents
- 52
- Published applications
- 58
- Assignees
- 18
- Inventors
- 96
- Latest grant
- 13 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 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 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 14 |
| 2012 | 1 | 2 |
| 2013 | 10 | 5 |
| 2014 | 5 | 2 |
| 2015 | 2 | 6 |
| 2016 | 3 | 1 |
| 2017 | 4 | 7 |
| 2018 | 4 | 7 |
| 2019 | 3 | 3 |
| 2020 | 9 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Disconnect clutch comprising adjustable return spring seat, drive train, and method for adjusting the spring force of a return spring of a disconnect clutch13 Feb 2024US 11,898,610 B2Schaeffler Technologies AG & Co. KG
- Hydraulic clutches, gearboxes, transmissions, and energy recovery systems13 Sep 2022US 11,441,617 B2A & A International, LLC
- Hybrid module7 Sep 2021US 11,111,992 B2Schaeffler Technologies AG & Co. KG
- Coupling module for a drive train of a motor vehicle29 Jun 2021US 11,046,166 B2Schaeffler Technologies AG & Co. KG
- Clutch device for a hybrid drive1 Dec 2020US 10,851,847 B2Schaeffler Technologies AG & Co. KG
- Hydraulic clutches, gearboxes, transmissions, and energy recovery systems24 Nov 2022US 2022/0373041 A1A & A International, LLC
- Disconnect clutch comprising adjustable return spring seat, drive train, and method for adjusting the spring force of a return spring of a disconnect clutch8 Sep 2022US 2022/0282758 A1Schaeffler Technologies AG & Co. KG
- Dry double clutch for an electric axle, and electric axle comprising the dry double clutch24 Feb 2022US 2022/0056964 A1Schaeffler Technologies AG & Co. KG
- Hydraulic clutches, gearboxes, transmissions, and energy recovery systems6 May 2021US 2021/0129805 A1A & A International, LLC
- Clutch device for a hybrid drive25 Mar 2021US 2021/0088084 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Clutch unit for a motor vehicle23US 6,814,204 B2ZF Sachs AG · 2004
- Four-wheel drive clutch lubrication system19US 4,560,056 AFord Motor Company · 1985
- Clutch assembly17US 6,634,477 B2LuK Lamellen und Kupplungsbau Beteiligungs KG · 2003
- Automatic transmission9US 7,765,886 B2Honda Motor Co., Ltd. · 2010
- Torque transfer device6US 6,668,994 B2LuK Lamellen und Kupplungsbau Beteiligungs KG · 2003