F16H 41/22
Gearing systems consisting of a plurality of hydrokinetic units operating alternatively
Official title: Gearing systems consisting of a plurality of hydrokinetic units operating alternatively, e.g. made effective or ineffective by filling or emptying or by mechanical clutches
F16H41/22 (Gearing systems consisting of a plurality of hydrokinetic units operating alternatively) appears on 18 US grants and 8 published applications in this corpus.
Search patents in F16H- Granted patents
- 18
- Published applications
- 8
- Assignees
- 13
- Inventors
- 42
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus to convert hydrokinetic energy into electrical energy14 Apr 2026US 12,601,321 B2
- Hydrostatic rotating machine with radial pistons and with improved distribution17 Feb 2026US 12,553,501 B2Robert Bosch GmbH
- Damping system for hydraulic coupling device, hydraulic coupling device and motor vehicle4 Mar 2025US 12,241,516 B2Valeo Kapec Torque Converters (Nanjing) Co., Ltd.
- System and method for bypassing a torque converter in a powertrain13 Feb 2024US 11,898,626 B2GM Global Technology Operations LLC
- Hydro-mechanical hybrid transmission device with two hydraulic transmission mechanisms12 Apr 2022US 11,300,187 B2Jiangsu University
- Apparatus to convert hydrokinetic energy into electrical energy2 Apr 2026US 2026/0092589 A1
- Hydrostatic Rotating Machine with Radial Pistons and with Improved Distribution1 May 2025US 2025/0137517 A1Robert Bosch GmbH
- System and method for bypassing a torque converter in a powertrain1 Jun 2023US 2023/0167889 A1GM Global Technology Operations LLC
- Damping system for hydraulic coupling device, hydraulic coupling device and motor vehicle8 Dec 2022US 2022/0390003 A1Valeo Kapec Torque Converters (Nanjing) Co., Ltd.
- Hydro-mechanical hybrid transmission device with two hydraulic transmission mechanisms10 Feb 2022US 2022/0042586 A1Jiangsu University
Most cited
By later US patents
- Automatic transmissions using compact hydrodynamic torque converters10US 5,394,694 AAmercom Funding Ltd. II · 1995
- Hydrodynamic reversing transmission6US 4,391,096 AVoith Getriebe KG · 1983
- Vehicle transmission with multiple torque convertors5US 3,944,034 AS.R.M. Hydromekanik Aktiebolag · 1976
- Bi-directional torque transmission unit5US 4,805,473 AFletcher Sutcliffe Wild Limited · 1989
- Hydrodynamic reversing transmission4US 4,471,670 AJ. M. Voith GmbH · 1984