F16D 2023/123
Clutch actuation by cams, ramps or ball-screw mechanisms
Official title: {Clutch actuation by cams, ramps or ball-screw mechanisms}
F16D2023/123 (Clutch actuation by cams, ramps or ball-screw mechanisms) appears on 747 US grants and 807 published applications in this corpus.
Search patents in F16D- Granted patents
- 747
- Published applications
- 807
- Assignees
- 279
- Inventors
- 1,416
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 4 |
| 2003 | 2 | 5 |
| 2004 | 5 | 7 |
| 2005 | 7 | 14 |
| 2006 | 4 | 6 |
| 2007 | 7 | 17 |
| 2008 | 6 | 6 |
| 2009 | 6 | 16 |
| 2010 | 6 | 17 |
| 2011 | 11 | 12 |
| 2012 | 11 | 18 |
| 2013 | 18 | 28 |
| 2014 | 21 | 35 |
| 2015 | 40 | 44 |
| 2016 | 35 | 55 |
| 2017 | 36 | 81 |
| 2018 | 52 | 71 |
| 2019 | 70 | 67 |
| 2020 | 78 | 71 |
| 2021 | 70 | 39 |
| 2022 | 47 | 56 |
| 2023 | 53 | 44 |
| 2024 | 47 | 38 |
| 2025 | 37 | 33 |
| 2026 | 18 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Clutch driver of emergency cut-off device15 Sep 2026US 12,736,092 B2Kawasaki Jukogyo Kabushiki Kaisha
- Resettable mechanical disconnect15 Sep 2026US 12,736,094 B2Honeywell Aerospace US LLC
- Differential device15 Sep 2026US 12,736,119 B2GKN Automotive AG
- Disconnect mechanisms, transmission systems incorporating the same, and methods associated therewith8 Sep 2026US 12,729,724 B2Allison Transmission, Inc.
- Interchangable wheel hub modules18 Aug 2026US 12,709,154 B2Warn Automotive, LLC
- Clutch for electric vehicle24 Sep 2026US 2026/0287028 A1Hyundai Wia Corporation
- Resettable mechanical disconnect27 Aug 2026US 2026/0251186 A1Honeywell International Inc.
- Clutch control device20 Aug 2026US 2026/0243315 A1Honda Motor Co., Ltd.
- Clutch system for a bicycle transmission13 Aug 2026US 2026/0235170 A1Classified Cycling B.V.
- Cam clutch6 Aug 2026US 2026/0226948 A1Tsubakimoto Chain Co.
Most cited
By later US patents
- Snap-action arrangement for transfer case synchronizer70US 4,770,280 AChrysler Motors Corporation · 1988
- Drive unit for a monorail carrier69US 4,945,780 ABosma Machine & Tool Corporation · 1990
- Differential drive68US 4,950,214 AUni-Cardan Aktiengesellschaft · 1990
- One-way torque transmitter with a friction actuating apparatus66US 7,021,442 B2General Motors Corporation · 2006
- Clutch with magneto-rheological operator for transfer cases and the like56US 5,915,513 ABorg-Warner Automotive, Inc. · 1999