F16D 43/08
The pressure ring actuating friction plates, cones or similar axially-movable friction surfaces
Official title: the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces
F16D43/08 (The pressure ring actuating friction plates, cones or similar axially-movable friction surfaces) appears on 179 US grants and 160 published applications in this corpus.
Search patents in F16D- Granted patents
- 179
- Published applications
- 160
- Assignees
- 73
- Inventors
- 233
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 6 |
| 2003 | 11 | 10 |
| 2004 | 6 | 14 |
| 2005 | 3 | 9 |
| 2006 | 12 | 8 |
| 2007 | 5 | 4 |
| 2008 | 5 | 5 |
| 2009 | 2 | 14 |
| 2010 | 5 | 6 |
| 2011 | 5 | 4 |
| 2012 | 11 | 8 |
| 2013 | 8 | 3 |
| 2014 | 7 | 4 |
| 2015 | 3 | 2 |
| 2016 | 1 | 5 |
| 2017 | 5 | 1 |
| 2018 | 2 | 5 |
| 2019 | 1 | 8 |
| 2020 | 7 | 11 |
| 2021 | 5 | 5 |
| 2022 | 6 | 7 |
| 2023 | 14 | 8 |
| 2024 | 2 | 2 |
| 2025 | 4 | 8 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power transmission apparatus14 Jul 2026US 12,680,581 B2Kabushiki Kaisha F.C.C.
- Driven clutch for continuously variable transmission28 Apr 2026US 12,612,956 B2Polaris Industries Inc.
- Transmission system for a hybrid drive unit11 Nov 2025US 12,466,251 B2Customachinery Inc.
- Electric vehicle with powertrain having reverse-acting centrifugal clutch4 Nov 2025US 12,459,352 B2Ford Global Technologies, LLC
- Power transmission apparatus16 Sep 2025US 12,416,339 B2Kabushiki Kaisha F.C.C.
- Driven clutch for continuously variable transmission20 Aug 2026US 2026/0243331 A1Polaris Industries Inc.
- Boat propulsion device and boat12 Mar 2026US 2026/0070641 A1Yamaha Hatsudoki Kabushiki Kaisha
- Power transmission apparatus4 Dec 2025US 2025/0369489 A1Kabushiki Kaisha F.C.C.
- Power transmission apparatus13 Nov 2025US 2025/0347326 A1Kabushiki Kaisha F.C.C.
- Clutch apparatus23 Oct 2025US 2025/0327492 A1Kabushiki Kaisha F.C.C.
Most cited
By later US patents
- Torsional damper having variable bypass clutch with centrifugal release mechanism328US 6,854,580 B2BorgWarner Inc. · 2005
- Centrifugal clutch and cover mount assembly therefor123US 7,140,480 B2Drussel Wilfley Design, LLC · 2006
- Clutch with a centrifugally applied ball ramp actuator68US 5,441,137 AEaton Corporation · 1995
- Manual/automatic pressure control mechanism for centrifugal clutch53US 7,014,026 B2Drussel Wilfley Design, LLC · 2006
- Centrifugal friction mechanism35US 4,111,291 AHorstman Manufacturing Co., Inc. · 1978