F16H 61/42
Involving adjustment of a pump or motor with adjustable output or capacity
Official title: involving adjustment of a pump or motor with adjustable output or capacity
F16H61/42 (Involving adjustment of a pump or motor with adjustable output or capacity) appears on 1,091 US grants and 683 published applications in this corpus.
Search patents in F16H- Granted patents
- 1,091
- Published applications
- 683
- Assignees
- 256
- Inventors
- 1,524
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 14 | 0 |
| 1978 | 23 | 0 |
| 1979 | 10 | 0 |
| 1980 | 23 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 17 | 0 |
| 1985 | 15 | 0 |
| 1986 | 13 | 0 |
| 1987 | 12 | 0 |
| 1988 | 18 | 0 |
| 1989 | 19 | 0 |
| 1990 | 35 | 0 |
| 1991 | 20 | 0 |
| 1992 | 18 | 0 |
| 1993 | 18 | 0 |
| 1994 | 10 | 0 |
| 1995 | 13 | 0 |
| 1996 | 13 | 0 |
| 1997 | 14 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 10 |
| 2002 | 18 | 10 |
| 2003 | 22 | 16 |
| 2004 | 12 | 25 |
| 2005 | 24 | 21 |
| 2006 | 18 | 29 |
| 2007 | 24 | 22 |
| 2008 | 26 | 29 |
| 2009 | 16 | 31 |
| 2010 | 18 | 24 |
| 2011 | 25 | 21 |
| 2012 | 25 | 22 |
| 2013 | 32 | 36 |
| 2014 | 45 | 51 |
| 2015 | 30 | 37 |
| 2016 | 41 | 35 |
| 2017 | 35 | 33 |
| 2018 | 22 | 37 |
| 2019 | 42 | 32 |
| 2020 | 53 | 43 |
| 2021 | 37 | 26 |
| 2022 | 33 | 25 |
| 2023 | 24 | 23 |
| 2024 | 33 | 23 |
| 2025 | 26 | 16 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16H 61/431Pump capacity control by electro-hydraulic control means254
- F16H 61/421Motor capacity control by electro-hydraulic control means224
- F16H 61/433Pump capacity control by fluid pressure control means219
- F16H 61/423Motor capacity control by fluid pressure control means175
- F16H 61/437Pump capacity control by mechanical control means117
- F16H 61/439Control of the neutral position107
- F16H 61/425Motor capacity control by electric actuators86
- F16H 61/435Pump capacity control by electric actuators73
Recent patents
- Hydraulic system for work machine, and work machine15 Sep 2026US RE51,031 E1Kubota Corporation
- Transmission apparatus25 Aug 2026US 12,716,476 B2Kanzaki Kokyukoki Mfg.Co., Ltd.
- System for providing rotary power to implements of machines11 Aug 2026US 12,702,097 B2Caterpillar Inc.
- Start-up or disengagement method for an electro-hydraulic transmission11 Aug 2026US 12,704,175 B2Poclain Hydraulics Industrie
- Work vehicle14 Jul 2026US 12,680,611 B2Kubota Corporation
- 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.
- Agricultural work vehicle and control method therefor23 Apr 2026US 2026/0110359 A1Ls Mtron Ltd.
- Electrical hybridization of hydromechanical variable transmission26 Mar 2026US 2026/0084513 A1Dana Italia S.R.L.
- Working machine19 Mar 2026US 2026/0078819 A1Kubota Corporation
Most cited
By later US patents
- Hydraulic machine110US 6,358,174 B1Folsom Technologies, Inc. · 2002
- Mechanism of returning to neutral for axle driving apparatus92US 5,836,159 AKanzaki Kokyukoki Mfg.Co., Ltd. · 1998
- Controlling device for non-stage transmission for vehicles79US 5,025,685 AHonda Giken Kogyo Kabushiki Kaisha · 1991
- Continuously smooth transmission75US 5,887,674 AThe United States of America as represented by the Administrator of the U. S. Environmental Protection Agency · 1999
- Controls for variable displacement motor and motors74US 4,399,886 ASundstrand Corporation · 1983