F16D 43/20
Controlled by torque
Official title: controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
F16D43/20 (Controlled by torque) appears on 599 US grants and 495 published applications in this corpus.
Search patents in F16D- Granted patents
- 599
- Published applications
- 495
- Assignees
- 380
- Inventors
- 1,009
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 8 | 0 |
| 1981 | 13 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 14 | 0 |
| 1990 | 18 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 5 |
| 2002 | 9 | 10 |
| 2003 | 7 | 12 |
| 2004 | 6 | 10 |
| 2005 | 11 | 10 |
| 2006 | 10 | 18 |
| 2007 | 6 | 8 |
| 2008 | 10 | 14 |
| 2009 | 8 | 16 |
| 2010 | 11 | 14 |
| 2011 | 6 | 8 |
| 2012 | 14 | 18 |
| 2013 | 12 | 18 |
| 2014 | 18 | 21 |
| 2015 | 25 | 25 |
| 2016 | 21 | 29 |
| 2017 | 21 | 22 |
| 2018 | 17 | 27 |
| 2019 | 29 | 37 |
| 2020 | 35 | 39 |
| 2021 | 28 | 22 |
| 2022 | 25 | 22 |
| 2023 | 29 | 33 |
| 2024 | 28 | 25 |
| 2025 | 22 | 20 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Overload clutch arrangement15 Sep 2026US 12,736,096 B2
- Clutch device28 Jul 2026US 12,692,909 B2Kabushiki Kaisha F.C.C.
- Assembly for an aircraft24 Feb 2026US 12,559,226 B2Ratier-Figeac SAS
- Auto-engageable coupling for preventing transmission of reverse rotation to ESP motors17 Feb 2026US 12,553,320 B2Baker Hughes Oilfield Operations LLC
- Clutch for preventing backdrive13 Jan 2026US 12,523,264 B2Hyundai Motor Company
- Overload clutch with a rotation axis20 Aug 2026US 2026/0243312 A1Schaeffler Technologies AG & Co. KG
- Torque limiter and power transmission device13 Aug 2026US 2026/0235169 A1Exedy Corporation
- Cam clutch6 Aug 2026US 2026/0226948 A1Tsubakimoto Chain Co.
- Clutch device with reverse input blocking function6 Aug 2026US 2026/0226949 A1Hyundai Mobis Co., Ltd.
- Multi-plate compact friction clutch for actuators16 Jul 2026US 2026/0201927 A1Tesla, Inc.
Most cited
By later US patents
- Methods and apparatus for mechanically intelligent grasping135US 5,501,498 AThe Trustees of the University of Pennsylvania · 1996
- Methods and apparatus for mechanically intelligent grasping88US 4,957,320 AThe Trustees of the University of Pennsylvania · 1990
- Fail safe valve actuator86US 5,195,721 AAVA International Corporation · 1993
- Magnetic clutch with adjustable slip torque82US 5,158,279 AXerox Corporation · 1992
- Overload apparatus80US 4,770,281 AHorton Manufacturing Co., Inc. · 1988