F16D 13/04
Friction 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 (automatic clutches F16D43/00)
F16D13/04 (Friction clutches: with means for actuating or keeping engaged by a force) appears on 99 US grants and 84 published applications in this corpus.
Search patents in F16D- Granted patents
- 99
- Published applications
- 84
- Assignees
- 59
- Inventors
- 179
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 4 | 3 |
| 2008 | 1 | 5 |
| 2009 | 0 | 9 |
| 2010 | 4 | 5 |
| 2011 | 3 | 2 |
| 2012 | 7 | 3 |
| 2013 | 6 | 4 |
| 2014 | 3 | 5 |
| 2015 | 4 | 8 |
| 2016 | 5 | 8 |
| 2017 | 9 | 9 |
| 2018 | 5 | 2 |
| 2019 | 6 | 4 |
| 2020 | 4 | 4 |
| 2021 | 3 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 3 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressing apparatus30 Jun 2026US 12,669,150 B2Daifuku Co., Ltd.
- Booster clutch with a rotational axis for a drive train24 Jun 2025US 12,338,862 B2Schaeffler Technologies AG & Co. KG
- Clutch17 Jun 2025US 12,331,790 B2PIAGGIO & C. S. p. A.
- Stackable friction clutch coil for torque distribution system27 Feb 2024US D1,015,854 S1Design
- Clutch device and motorcycle23 Jan 2024US 11,879,504 B1Kabushiki Kaisha F.C.C.
- Clutch device and motorcycle21 May 2026US 2026/0139713 A1Kabushiki Kaisha F.C.C.
- Booster clutch with a rotational axis for a drive train14 Nov 2024US 2024/0376940 A1Schaeffler Technologies AG & Co. KG
- Pressing Apparatus11 Apr 2024US 2024/0117845 A1Daifuku Co., Ltd.
- Clutch device and motorcycle4 Jan 2024US 2024/0003389 A1Kabushiki Kaisha F.C.C.
- Compact, stackable friction clutch based torque distribution device, system, and methods of use25 May 2023US 2023/0160439 A1
Most cited
By later US patents
- Clutch with a centrifugally applied ball ramp actuator68US 5,441,137 AEaton Corporation · 1995
- Modulating clutch having passive torque throughout threshold58US 5,699,888 ABorg-Warner Automotive, Inc. · 1997
- Clutch system having means for converting transmitted torque into frictional force46US 4,645,049 AHonda Giken Kogyo Kabushiki Kaisha · 1987
- Amplifying clutch44US 4,286,701 AWarner Electric Brake & Clutch Company · 1981
- Driveline clutch with unidirectional apply ball ramp35US 5,810,141 AEaton Corporation · 1998