F16D 43/04
Controlled by angular speed
Official title: controlled by angular speed (F16D43/24 takes precedence; clutches in which the drive is transmitted through a medium consisting of small particles F16D37/00)
F16D43/04 (Controlled by angular speed) appears on 607 US grants and 449 published applications in this corpus.
Search patents in F16D- Granted patents
- 607
- Published applications
- 449
- Assignees
- 299
- Inventors
- 959
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 16 | 0 |
| 1978 | 9 | 0 |
| 1979 | 3 | 0 |
| 1980 | 15 | 0 |
| 1981 | 9 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 12 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 14 | 0 |
| 1990 | 10 | 0 |
| 1991 | 13 | 0 |
| 1992 | 5 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 5 |
| 2002 | 8 | 10 |
| 2003 | 18 | 20 |
| 2004 | 13 | 23 |
| 2005 | 9 | 17 |
| 2006 | 21 | 17 |
| 2007 | 10 | 14 |
| 2008 | 13 | 14 |
| 2009 | 4 | 24 |
| 2010 | 9 | 14 |
| 2011 | 10 | 13 |
| 2012 | 21 | 26 |
| 2013 | 19 | 13 |
| 2014 | 18 | 13 |
| 2015 | 22 | 15 |
| 2016 | 7 | 19 |
| 2017 | 17 | 11 |
| 2018 | 9 | 26 |
| 2019 | 18 | 30 |
| 2020 | 26 | 30 |
| 2021 | 19 | 22 |
| 2022 | 24 | 18 |
| 2023 | 26 | 22 |
| 2024 | 9 | 8 |
| 2025 | 13 | 17 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fixing device11 Aug 2026US 12,704,143 B2Deere & Company
- Power transmission apparatus14 Jul 2026US 12,680,581 B2Kabushiki Kaisha F.C.C.
- Centrifugal clutch mechanisms28 Apr 2026US 12,612,949 B2Techtronic Cordless GP
- Driven clutch for continuously variable transmission28 Apr 2026US 12,612,956 B2Polaris Industries Inc.
- Electric power equipment17 Mar 2026US 12,576,724 B2Honda Motor Co., Ltd.
- Centrifugal Force Enabled Clutch and Aircraft8 Oct 2026US 2026/0309196 A1Lockheed Martin Corporation
- Driven clutch for continuously variable transmission20 Aug 2026US 2026/0243331 A1Polaris Industries Inc.
- Rotor, rotor attachment mechanism, centrifuge and corresponding methods13 Aug 2026US 2026/0233237 A1Thermo Electron LED GmbH
- A handheld battery powered chainsaw with a centrifugal clutch6 Aug 2026US 2026/0225280 A1Husqvarna AB
- Boat propulsion device and boat12 Mar 2026US 2026/0070640 A1Yamaha Hatsudoki Kabushiki Kaisha
Most cited
By later US patents
- Torsional damper having variable bypass clutch with centrifugal release mechanism328US 6,854,580 B2BorgWarner Inc. · 2005
- Rotational atherectomy device with radially expandable prime mover coupling189US 6,129,734 AShturman Cardiology Systems, Inc. · 2000
- Compliant overrunning clutch with centrifugal throw-out163US 6,148,979 ABrigham Young University · 2000
- Centrifugal clutch and cover mount assembly therefor123US 7,140,480 B2Drussel Wilfley Design, LLC · 2006
- Rotational atherectomy device with exchangeable drive shaft cartridge90US 6,077,282 AShturman Cardiology Systems, Inc. · 2000