F16H 61/66
Control functions within control units of change-speed- or reversing-gearings for conveying rotary
Official title: specially adapted for continuously variable gearings (control of exclusively fluid gearing F16H61/38)
F16H61/66 (Control functions within control units of change-speed- or reversing-gearings for conveying rotary) appears on 3,129 US grants and 2,124 published applications in this corpus.
Search patents in F16H- Granted patents
- 3,129
- Published applications
- 2,124
- Assignees
- 437
- Inventors
- 3,396
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 10 | 0 |
| 1980 | 10 | 0 |
| 1981 | 16 | 0 |
| 1982 | 17 | 0 |
| 1983 | 15 | 0 |
| 1984 | 30 | 0 |
| 1985 | 45 | 0 |
| 1986 | 54 | 0 |
| 1987 | 91 | 0 |
| 1988 | 72 | 0 |
| 1989 | 70 | 0 |
| 1990 | 49 | 0 |
| 1991 | 75 | 0 |
| 1992 | 54 | 0 |
| 1993 | 47 | 0 |
| 1994 | 27 | 0 |
| 1995 | 31 | 0 |
| 1996 | 29 | 0 |
| 1997 | 46 | 0 |
| 1998 | 53 | 0 |
| 1999 | 60 | 0 |
| 2000 | 109 | 0 |
| 2001 | 88 | 72 |
| 2002 | 155 | 126 |
| 2003 | 145 | 84 |
| 2004 | 74 | 137 |
| 2005 | 69 | 137 |
| 2006 | 92 | 72 |
| 2007 | 103 | 102 |
| 2008 | 61 | 91 |
| 2009 | 51 | 83 |
| 2010 | 62 | 87 |
| 2011 | 55 | 63 |
| 2012 | 92 | 82 |
| 2013 | 89 | 90 |
| 2014 | 108 | 81 |
| 2015 | 92 | 84 |
| 2016 | 72 | 105 |
| 2017 | 85 | 115 |
| 2018 | 96 | 143 |
| 2019 | 129 | 105 |
| 2020 | 127 | 83 |
| 2021 | 69 | 44 |
| 2022 | 57 | 46 |
| 2023 | 44 | 32 |
| 2024 | 37 | 21 |
| 2025 | 22 | 23 |
| 2026 | 18 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16H 61/662With endless flexible members2,096
- F16H 61/664Friction gearings574
- F16H 2061/6604Special control features generally applicable to continuously variable gearingsIndexing code456
- F16H 2061/6602With at least two dynamo-electric machines for creating an electric power pathIndexing code82
- F16H 2061/6601With arrangements for dividing torque and shifting between different rangesIndexing code35
Recent patents
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- Systems and methods for automatic configuration and automatic calibration of continuously variable transmissions and bicycles having continuously variable transmissions25 Aug 2026US 12,715,546 B2enviolo B.V.
- Variable-speed epicyclic gearbox for an aircraft propulsion system21 Jul 2026US 12,687,226 B1Pratt & Whitney Canada Corp.
- Belt drive systems and methods1 Oct 2026US 2026/0298315 A1Deere & Company
- Belt drive systems and methods1 Oct 2026US 2026/0298336 A1Deere & Company
- Belt drive systems and methods1 Oct 2026US 2026/0298337 A1Deere & Company
- Electronically-controlled continuously variable transmission for a utility vehicle1 Oct 2026US 2026/0298338 A1Polaris Industries Inc.
- Off-highway recreational vehicle24 Sep 2026US 2026/0287054 A1Textron Innovations Inc.
Most cited
By later US patents
- Vehicular drive unit276US 5,846,155 AAisin Aw Co., Ltd. · 1998
- Control method and apparatus for internal combustion engine electric hybrid vehicles269US 6,054,844 AThe Regents of the University of California · 2000
- V-belt type continuously variable transmission250US 4,585,429 AYamaha Hatsudoki Kabushiki Kaisha · 1986
- Continuously variable transmission243US 6,419,608 B1Motion Technologies, LLC · 2002
- Continuously variable transmission242US 6,241,636 B1Motion Technologies, LLC · 2001