F16H 61/38
Control of exclusively fluid gearing
F16H61/38 (Control of exclusively fluid gearing) appears on 2,498 US grants and 1,676 published applications in this corpus.
Search patents in F16H- Granted patents
- 2,498
- Published applications
- 1,676
- Assignees
- 597
- Inventors
- 3,425
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 71 | 0 |
| 1977 | 39 | 0 |
| 1978 | 40 | 0 |
| 1979 | 19 | 0 |
| 1980 | 44 | 0 |
| 1981 | 20 | 0 |
| 1982 | 24 | 0 |
| 1983 | 20 | 0 |
| 1984 | 28 | 0 |
| 1985 | 33 | 0 |
| 1986 | 26 | 0 |
| 1987 | 33 | 0 |
| 1988 | 33 | 0 |
| 1989 | 31 | 0 |
| 1990 | 47 | 0 |
| 1991 | 36 | 0 |
| 1992 | 32 | 0 |
| 1993 | 36 | 0 |
| 1994 | 29 | 0 |
| 1995 | 22 | 0 |
| 1996 | 32 | 0 |
| 1997 | 31 | 0 |
| 1998 | 23 | 0 |
| 1999 | 34 | 0 |
| 2000 | 33 | 0 |
| 2001 | 43 | 17 |
| 2002 | 57 | 27 |
| 2003 | 39 | 40 |
| 2004 | 38 | 52 |
| 2005 | 44 | 46 |
| 2006 | 56 | 74 |
| 2007 | 52 | 67 |
| 2008 | 63 | 80 |
| 2009 | 48 | 84 |
| 2010 | 60 | 70 |
| 2011 | 58 | 58 |
| 2012 | 68 | 56 |
| 2013 | 82 | 103 |
| 2014 | 87 | 99 |
| 2015 | 71 | 104 |
| 2016 | 101 | 84 |
| 2017 | 93 | 71 |
| 2018 | 59 | 91 |
| 2019 | 105 | 74 |
| 2020 | 111 | 103 |
| 2021 | 83 | 60 |
| 2022 | 75 | 55 |
| 2023 | 52 | 59 |
| 2024 | 66 | 47 |
| 2025 | 50 | 31 |
| 2026 | 21 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydraulic system for work machine, and work machine15 Sep 2026US RE51,031 E1Kubota Corporation
- Hydrostatic pressure release apparatus for hydrostatic transmission8 Sep 2026US 12,729,778 B2MTD Products Inc
- Transmission apparatus25 Aug 2026US 12,716,476 B2Kanzaki Kokyukoki Mfg.Co., Ltd.
- Open hydraulic assistance system25 Aug 2026US 12,716,489 B2Poclain Hydraulics Industrie
- System for providing rotary power to implements of machines11 Aug 2026US 12,702,097 B2Caterpillar Inc.
- Work machine13 Aug 2026US 2026/0234906 A1Komatsu Ltd.
- Hydraulically powered power system for controlling input engine power or input motor power2 Jul 2026US 2026/0185544 A1Illinois Tool Works Inc.
- Hydraulic drive system25 Jun 2026US 2026/0177083 A1Hamm AG
- Hydraulically powered power systems for controlling variable displacement hydraulic pumps and variable displacement hydraulic motors11 Jun 2026US 2026/0160280 A1Illinois Tool Works Inc.
- Work machine and method for controlling work machine4 Jun 2026US 2026/0152155 A1Komatsu Ltd.
Most cited
By later US patents
- System and method for driving a pump174US 8,801,394 B2Solar Turbines Incorporated · 2014
- Hybrid propulsion system for road vehicles153US 6,170,587 B2Transport Energy Systems PTY LTD · 2001
- Hydraulic machine110US 6,358,174 B1Folsom Technologies, Inc. · 2002
- Hydraulic hybrid vehicle107US 6,719,080 B1The United States of America as represented by the Administrator of the Enviromental Protection Agency · 2004
- Utility vehicle driveline control method98US 5,575,737 ADeere & Company · 1996