F16H 61/50
Controlled by changing the flow, force, or reaction of the liquid in
Official title: controlled by changing the flow, force, or reaction of the liquid in the working circuit, while maintaining a completely filled working circuit
F16H61/50 (Controlled by changing the flow, force, or reaction of the liquid in) appears on 99 US grants and 68 published applications in this corpus.
Search patents in F16H- Granted patents
- 99
- Published applications
- 68
- Assignees
- 49
- Inventors
- 165
- Latest grant
- 17 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 2 | 4 |
| 2008 | 2 | 5 |
| 2009 | 1 | 3 |
| 2010 | 5 | 0 |
| 2011 | 0 | 6 |
| 2012 | 1 | 1 |
| 2013 | 4 | 7 |
| 2014 | 5 | 3 |
| 2015 | 1 | 4 |
| 2016 | 6 | 7 |
| 2017 | 3 | 4 |
| 2018 | 5 | 3 |
| 2019 | 4 | 4 |
| 2020 | 7 | 4 |
| 2021 | 4 | 3 |
| 2022 | 5 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Hydromechanical transmission and control method17 Dec 2024US 12,169,015 B2Dana Italia S.R.L.
- Hydromechanical transmission and control method12 Sep 2023US 11,754,161 B1Dana Italia S.R.L.
- Torque converters and methods and devices for rebuilding torque converters22 Nov 2022US 11,506,281 B2Sonnax Transmission Company
- Hydrodynamic converter1 Nov 2022US 11,486,479 B2Voith Patent GmbH
- Variable pitch stator and two hydraulic passage control6 Sep 2022US 11,434,986 B1Ford Global Technologies, LLC
- Hydromechanical transmission and control method30 Nov 2023US 2023/0383827 A1Dana Italia S.R.L.
- Hydromechanical transmission and control method7 Sep 2023US 2023/0279936 A1Dana Italia S.R.L.
- Variable pitch stator and two hydraulic passage control22 Sep 2022US 2022/0299095 A1Ford Global Technologies, LLC
- Hydraulic fracturing pump apparatus and method for driving same1 Sep 2022US 2022/0275794 A1Voith Patent GmbH
- Torque converters and methods and devices for rebuilding torque converters13 Jan 2022US 2022/0010880 A1Sonnax Transmission Company
Most cited
By later US patents
- Electric hybrid transmission with a torque converter78US 5,789,823 AGeneral Motors Corporation · 1998
- Control system for a wind power plant with hydrodynamic gear36US 7,081,689 B2Voith Turbo GmbH & Co. KG · 2006
- Steering system for tracked vehicles31US 5,101,919 AAvco Corporation · 1992
- Apparatus for controlling the torque on a power train and method of operating the same28US 5,720,358 ACaterpillar Inc. · 1998
- Four wheel drive vehicle slippage control device and method limiting center differential action according to input torque supplied thereto26US 4,702,341 AToyota Jidosha Kabushiki Kaisha · 1987