F16D 43/28
Actuated by fluid pressure
Official title: actuated by fluid pressure
F16D43/28 (Actuated by fluid pressure) appears on 252 US grants and 79 published applications in this corpus.
Search patents in F16D- Granted patents
- 252
- Published applications
- 79
- Assignees
- 126
- Inventors
- 372
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 14 | 0 |
| 1991 | 10 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 18 | 0 |
| 2000 | 12 | 0 |
| 2001 | 14 | 1 |
| 2002 | 11 | 3 |
| 2003 | 6 | 5 |
| 2004 | 5 | 2 |
| 2005 | 2 | 8 |
| 2006 | 6 | 3 |
| 2007 | 5 | 8 |
| 2008 | 6 | 3 |
| 2009 | 2 | 3 |
| 2010 | 1 | 5 |
| 2011 | 2 | 5 |
| 2012 | 4 | 3 |
| 2013 | 6 | 4 |
| 2014 | 4 | 4 |
| 2015 | 4 | 1 |
| 2016 | 5 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 1 |
| 2019 | 2 | 5 |
| 2020 | 5 | 1 |
| 2021 | 3 | 2 |
| 2022 | 0 | 2 |
| 2023 | 3 | 3 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Wet clutch valve arrangement20 May 2025US 12,305,715 B2Koenigsegg Automotive AB
- Hydraulic clutch, travel power transmission device, and work vehicle11 Mar 2025US 12,247,630 B2Kubota Corporation
- Torque-limiting clutch comprising a release trigger mechanism23 Apr 2024US 11,965,564 B2C Falk Remote Control AB
- Systems and methods for rotary seal drag reduction31 Oct 2023US 11,802,596 B2Dana Belgium N.V.
- Method for operating a hydraulic actuator24 Oct 2023US 11,796,017 B2ZF Friedrichshafen AG
- Hydraulic clutch, travel power transmission device, and work vehicle26 Dec 2024US 2024/0426351 A1Kubota Corporation
- Wet clutch valve arrangement29 Feb 2024US 2024/0068527 A1Koenigsegg Automotive AB
- Torque-limiting clutch comprising a release trigger mechanism21 Dec 2023US 2023/0407925 A1C Falk Remote Control AB
- Method for Operating a Hydraulic Actuator9 Feb 2023US 2023/0037821 A1ZF Friedrichshafen AG
- Work machine hybrid power unit12 Jan 2023US 2023/0010752 A1Perkins Engines Company Limited
Most cited
By later US patents
- Transmission clutch control system and method85US 4,527,678 AFord Motor Company · 1985
- Vehicle drivetrain hydraulic coupling70US 5,310,388 AASHA Corporation · 1994
- Torque transmission device for a four-wheel drive vehicle54US 4,905,808 AToyoda Koki Kabushiki Kaisha · 1990
- Hydraulic coupling for vehicle drivetrain54US 5,595,214 AASHA Corporation · 1997
- Hydraulic coupling for vehicle drivetrain53US 5,536,215 AASHA Corporation · 1996