F16H 61/421
Motor capacity control by electro-hydraulic control means
Official title: Motor capacity control by electro-hydraulic control means, e.g. using solenoid valves
F16H61/421 (Motor capacity control by electro-hydraulic control means) appears on 224 US grants and 178 published applications in this corpus.
Search patents in F16H- Granted patents
- 224
- Published applications
- 178
- Assignees
- 86
- Inventors
- 419
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 14 | 0 |
| 1991 | 8 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 2 |
| 2004 | 0 | 3 |
| 2005 | 4 | 3 |
| 2006 | 1 | 9 |
| 2007 | 4 | 5 |
| 2008 | 5 | 6 |
| 2009 | 2 | 11 |
| 2010 | 8 | 11 |
| 2011 | 7 | 7 |
| 2012 | 7 | 9 |
| 2013 | 9 | 17 |
| 2014 | 18 | 14 |
| 2015 | 12 | 8 |
| 2016 | 12 | 11 |
| 2017 | 5 | 5 |
| 2018 | 4 | 6 |
| 2019 | 6 | 5 |
| 2020 | 7 | 5 |
| 2021 | 6 | 7 |
| 2022 | 5 | 8 |
| 2023 | 8 | 12 |
| 2024 | 17 | 8 |
| 2025 | 7 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic system for work machine, and work machine15 Sep 2026US RE51,031 E1Kubota Corporation
- System for providing rotary power to implements of machines11 Aug 2026US 12,702,097 B2Caterpillar Inc.
- Drive motor displacement control16 Jun 2026US 12,655,610 B2Doosan Bobcat North America, Inc.
- Hydraulic control circuit for a hydraulic motor2 Dec 2025US 12,486,770 B2Danfoss Power Solutions GmbH & Co. OHG
- Hydromechanical transmission with hydrostatic assembly and hydrostatic assembly control method7 Oct 2025US 12,435,787 B2Dana Italia S.R.L.
- Harvesting system for row-by-row control of a harvester23 Apr 2026US 2026/0107878 A1Ag Leader Technology
- Hydrostatic transmission for work vehicle and control method thereof23 Apr 2026US 2026/0110358 A1Ls Mtron Ltd.
- Controlling a motor based on a flow rate of hydraulic fluid to the motor1 Jan 2026US 2026/0005633 A1Robert Bosch GmbH
- Mixer drum drive with variable displacement motor13 Feb 2025US 2025/0050538 A1Oshkosh Corporation
- Method and system for controlling a propulsion system of a work or agricultural vehicle19 Sep 2024US 2024/0309611 A1CNH Industrial Italia S.p.A.
Most cited
By later US patents
- Controlling device for non-stage transmission for vehicles79US 5,025,685 AHonda Giken Kogyo Kabushiki Kaisha · 1991
- Wind turbine with hydraulic transmission74US 7,418,820 B2MHL Global Corporation Inc. · 2008
- Driving mechanism for an automotive propel drive56US 5,390,759 ASauer Inc. · 1995
- Power set for vehicles55US 7,806,796 B22010
- Method of controlling speed change of hydraulic drive device for vehicle and speed change device47US 5,784,883 AKomatsu Ltd. · 1998