F16D 47/04
Systems of clutches, or clutches and couplings, comprising devices of types grouped
Official title: of which at least one is a freewheel (F16D47/02, F16D47/06 take precedence; freewheels combined with a clutch to lock the driving and driven members of the freewheel F16D41/04, F16D41/26)
F16D47/04 (Systems of clutches, or clutches and couplings, comprising devices of types grouped) appears on 184 US grants and 173 published applications in this corpus.
Search patents in F16D- Granted patents
- 184
- Published applications
- 173
- Assignees
- 83
- Inventors
- 323
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 6 |
| 2003 | 5 | 3 |
| 2004 | 4 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 5 |
| 2007 | 3 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 5 |
| 2010 | 2 | 4 |
| 2011 | 0 | 5 |
| 2012 | 1 | 5 |
| 2013 | 11 | 10 |
| 2014 | 7 | 12 |
| 2015 | 19 | 13 |
| 2016 | 6 | 6 |
| 2017 | 3 | 10 |
| 2018 | 10 | 14 |
| 2019 | 16 | 16 |
| 2020 | 16 | 10 |
| 2021 | 15 | 13 |
| 2022 | 9 | 6 |
| 2023 | 6 | 3 |
| 2024 | 6 | 7 |
| 2025 | 5 | 4 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Selectable clutch and disconnect mechanism21 Jul 2026US 12,687,204 B2Tsubakimoto Chain Co.
- Transmission mechanism6 Jan 2026US 12,516,716 B2Valeo Embrayages
- Selectable clutch9 Sep 2025US 12,410,838 B2Tsubakimoto Chain Co.
- Forward and reverse rotation structure29 Jul 2025US 12,372,140 B1
- Electric propulsion systems27 May 2025US 12,313,131 B2Hamilton Sundstrand Corporation
- Inline drive assembly for four-wheel drive vehicle24 Sep 2026US 2026/0285148 A1The Hilliard Corporation
- Cam clutch6 Aug 2026US 2026/0226948 A1Tsubakimoto Chain Co.
- Clutch strut ears, ear sleeves, and couplings6 Aug 2026US 2026/0226950 A1Means Industries, Inc.
- Electro- Mechanical High-Pressure Oilfield Pumping System23 Jul 2026US 2026/0210227 A1Twin Disc, Incorporated
- Selectable clutch18 Jun 2026US 2026/0168543 A1Tsubakimoto Chain Co.
Most cited
By later US patents
- Automatic transmission carrier assembly including an overrunning brake64US 7,223,198 B2Ford Global Technologies, LLC · 2007
- Drive layout for offroad vehicle53US 6,076,624 AYamaha Hatsudoki Kabushiki Kaisha · 2000
- Clutch ball ramp actuator with drive and coast apply41US 5,485,904 AEaton Corporation · 1996
- Air turbine starter having a dual clutch35US 5,267,433 AAllied-Signal Inc. · 1993
- Clutch ball ramp actuator with coast lock26US 5,469,948 AEaton Corporation · 1995