F16D 13/14
Friction clutches: with outwardly-movable clutching members co-operating with the inner surface of
Official title: with outwardly-movable clutching members co-operating with the inner surface of a drum or the like (F16D13/02, F16D13/06, F16D13/12 take precedence; similar brakes F16D51/00)
F16D13/14 (Friction clutches: with outwardly-movable clutching members co-operating with the inner surface of) appears on 92 US grants and 98 published applications in this corpus.
Search patents in F16D- Granted patents
- 92
- Published applications
- 98
- Assignees
- 41
- Inventors
- 113
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 6 |
| 2015 | 7 | 10 |
| 2016 | 5 | 1 |
| 2017 | 7 | 12 |
| 2018 | 11 | 19 |
| 2019 | 14 | 12 |
| 2020 | 16 | 15 |
| 2021 | 6 | 4 |
| 2022 | 5 | 1 |
| 2023 | 5 | 4 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Clutch for preventing backdrive13 Jan 2026US 12,523,264 B2Hyundai Motor Company
- Complex clutch apparatus12 Aug 2025US 12,385,529 B1
- Spring and damper assembly for a centrifugal clutch in a continuously variable transmission17 Jun 2025US 12,331,798 B1The Hilliard Corporation
- Dynamic rotary locking member12 Dec 2023US 11,839,576 B2Sunrise Medical (US) LLC
- Wear limiter for centrifugal clutch17 Oct 2023US 11,788,587 B2Carrier Corporation
- A handheld battery powered chainsaw with a centrifugal clutch6 Aug 2026US 2026/0225280 A1Husqvarna AB
- Complex clutch apparatus14 Aug 2025US 2025/0257767 A1
- Spring and damper assembly for a centrifugal clutch in a continuously variable transmission19 Jun 2025US 2025/0198469 A1The Hilliard Corporation
- Clutch for preventing backdrive21 Sep 2023US 2023/0296146 A1Hyundai Motor Company
- System and method for hydraulic transformer clutches27 Apr 2023US 2023/0129770 A1A & A International, LLC
Most cited
By later US patents
- Expanding outer sleeve for a mandrel or chuck17US 3,937,412 A1976
- Multi-state clutch assembly15US 10,407,957 B1Apple Inc. · 2019
- Mandrel assembly13US 3,934,836 AStamco Division, The Monarch Machine Tool Company · 1976
- Power-driven electrical hand tool13US 5,350,026 ACeka Electrowerkzeuge AG & Co. KG · 1994
- Electromagnetic wedge disconnect clutch12US 9,644,690 B2Schaeffler Technologies AG & Co. KG · 2017