F16H 61/48
Hydrodynamic
Official title: hydrodynamic
F16H61/48 (Hydrodynamic) appears on 165 US grants and 121 published applications in this corpus.
Search patents in F16H- Granted patents
- 165
- Published applications
- 121
- Assignees
- 79
- Inventors
- 313
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 4 |
| 2005 | 1 | 2 |
| 2006 | 5 | 3 |
| 2007 | 4 | 4 |
| 2008 | 3 | 8 |
| 2009 | 1 | 3 |
| 2010 | 7 | 2 |
| 2011 | 0 | 7 |
| 2012 | 4 | 5 |
| 2013 | 6 | 11 |
| 2014 | 9 | 6 |
| 2015 | 2 | 9 |
| 2016 | 10 | 11 |
| 2017 | 7 | 9 |
| 2018 | 11 | 6 |
| 2019 | 9 | 7 |
| 2020 | 8 | 8 |
| 2021 | 6 | 5 |
| 2022 | 6 | 5 |
| 2023 | 4 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Driveline including a hydrodynamic retarder and method of operating a hydrodynamic retarder7 Apr 2026US 12,595,845 B2Dana Belgium N.V.
- Hydraulic continuous variable speed system having hydraulic and pneumatic speed controls and a method of use11 Feb 2025US 12,221,952 B2Prosto Wind Power
- Hydromechanical transmission and control method17 Dec 2024US 12,169,015 B2Dana Italia S.R.L.
- Hydraulic continuous variable speed system having hydraulic and pneumatic speed controls and a method of use24 Oct 2023US 11,795,916 B2Prosto Wind Power
- Hydromechanical transmission and control method12 Sep 2023US 11,754,161 B1Dana Italia S.R.L.
- Hydraulic continuous variable speed system having hydraulic and pneumatic speed controls and a method of use22 Feb 2024US 2024/0060474 A1Prosto Wind Power
- 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.
- Driveline including a hydrodynamic retarder and method of operating a hydrodynamic retarder10 Nov 2022US 2022/0356946 A1Dana Belgium N.V.
- Variable pitch stator and two hydraulic passage control22 Sep 2022US 2022/0299095 A1Ford Global Technologies, LLC
Most cited
By later US patents
- System and method for driving a pump174US 8,801,394 B2Solar Turbines Incorporated · 2014
- Electric hybrid transmission with a torque converter78US 5,789,823 AGeneral Motors Corporation · 1998
- Electronic control system for multiple ratio transmission including circuit pressure control55US 5,157,608 AFord Motor Company · 1992
- Automatic transmission control system for a vehicle36US 5,035,160 AMitsubishi Denki Kabushiki Kaisha · 1991
- Control system for a wind power plant with hydrodynamic gear36US 7,081,689 B2Voith Turbo GmbH & Co. KG · 2006