F16D 37/00
Clutches in which the drive is transmitted through a medium consisting of
Official title: Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive
F16D37/00 (Clutches in which the drive is transmitted through a medium consisting of) appears on 277 US grants and 205 published applications in this corpus.
Search patents in F16D- Granted patents
- 277
- Published applications
- 205
- Assignees
- 146
- Inventors
- 403
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 13 | 0 |
| 1990 | 11 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 0 |
| 2002 | 3 | 5 |
| 2003 | 10 | 12 |
| 2004 | 9 | 6 |
| 2005 | 5 | 9 |
| 2006 | 5 | 11 |
| 2007 | 5 | 12 |
| 2008 | 7 | 6 |
| 2009 | 5 | 10 |
| 2010 | 2 | 7 |
| 2011 | 7 | 4 |
| 2012 | 7 | 5 |
| 2013 | 2 | 8 |
| 2014 | 4 | 7 |
| 2015 | 8 | 14 |
| 2016 | 5 | 8 |
| 2017 | 8 | 5 |
| 2018 | 8 | 13 |
| 2019 | 8 | 10 |
| 2020 | 15 | 21 |
| 2021 | 13 | 10 |
| 2022 | 10 | 5 |
| 2023 | 5 | 5 |
| 2024 | 6 | 6 |
| 2025 | 4 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16D 37/02The particles being magnetisable227
- F16D 2037/002Clutches in which the drive is transmitted through a medium consisting ofIndexing code97
- F16D 37/008The particles being carried by a fluid, to vary viscosity when subjected81
- F16D 2037/001Electric arrangements for clutch controlIndexing code57
- F16D 2037/007Clutches in which the drive is transmitted through a medium consisting ofIndexing code51
- F16D 2037/005Clutches in which the drive is transmitted through a medium consisting ofIndexing code45
- F16D 2037/004Clutches in which the drive is transmitted through a medium consisting ofIndexing code41
Recent patents
- Exoskeleton, orthosis, wearable device or mobile robots using magnetorheological fluid clutch apparatus24 Feb 2026US 12,558,239 B2Exonetik Inc.
- Clutch assemblies and associated methods20 Jan 2026US 12,529,399 B2Oregon State University
- Magnetorheological (MR) clutches for hybrid drivetrain power distribution21 Oct 2025US 12,448,143 B2Textron Innovations Inc.
- Torque generation device1 Jul 2025US 12,345,311 B2Alps Alpine Co., Ltd.
- Tethered payload motion control and cable robot using magnetorheological actuators22 Apr 2025US 12,281,678 B2Exonetik Inc.
- Haptic actuator using magnetorheological fluid clutch apparatus2 Jul 2026US 2026/0185568 A1Exonetik Inc.
- Proprioceptive actuator using magnetorheological fluid clutch apparatus14 May 2026US 2026/0131454 A1Exonetik Inc.
- Magnetorheological (mr) clutches for hybrid drivetrain power distribution12 Feb 2026US 2026/0042545 A1Textron Innovations Inc.
- System and method for control of reversal events using magnetorheological fluid2 Oct 2025US 2025/0305555 A1Exonetik Inc.
- Furniture drive26 Jun 2025US 2025/0207452 A1Julius Blum GmbH
Most cited
By later US patents
- Pump drivetrain damper system and control systems and methods for same206US 10,316,832 B2S,P.M. Flow Control, Inc. · 2019
- Electrorheological fluid force transmission and conversion device122US 4,896,754 ALord Corporation · 1990
- Liquid cooled magnetorheological fluid clutch for automotive transmissions89US 6,371,267 B1General Motors Corporation · 2002
- Electroactive fluid torque transmission apparatus with ferrofluid seal73US 5,007,513 ALord Corporation · 1991
- Soft start compressor clutch72US 6,290,043 B1Visteon Global Technologies, Inc. · 2001