F16H 3/42
With gears having teeth formed or arranged for obtaining multiple gear ratios
Official title: with gears having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable
F16H3/42 (With gears having teeth formed or arranged for obtaining multiple gear ratios) appears on 63 US grants and 40 published applications in this corpus.
Search patents in F16H- Granted patents
- 63
- Published applications
- 40
- Assignees
- 23
- Inventors
- 110
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 1 |
| 2003 | 1 | 1 |
| 2004 | 3 | 4 |
| 2005 | 2 | 2 |
| 2006 | 2 | 0 |
| 2007 | 2 | 3 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 5 |
| 2016 | 1 | 2 |
| 2017 | 3 | 3 |
| 2018 | 1 | 0 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 3 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 3 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- All-gear speed controller and continuously variable transmission (CVT) using harmonic helical gears14 Apr 2026US 12,601,390 B1
- Continuously variable transmission mechanism6 Jan 2026US 12,516,715 B2Yoshimoto Kiko Co., Ltd.
- Power transmission6 Aug 2024US 12,054,222 B2
- Variable acceleration curved surface spiral gear transmission mechanism for accelerated oscillator damper systems9 May 2023US 11,644,086 B2Dalian University of Technology
- Gear shifting system8 Mar 2022US 11,267,531 B2CeramicSpeed Sport A/S
- Continuously variable transmission mechanism26 Mar 2026US 2026/0085742 A1Yoshimoto Kiko Co., Ltd.
- Continuously variable transmission mechanism27 Mar 2025US 2025/0102046 A1Yoshimoto Kiko Co., Ltd.
- Power transmission28 Sep 2023US 2023/0303211 A1
- Globular Right-Angle Gearbox3 Aug 2023US 2023/0243410 A1
- Speed shifting apparatus, transmission control method, steering system, and steering control method5 Jan 2023US 2023/0001981 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Stack of gears and transmission system utilizing the same177US 6,499,373 B22002
- Gear drive having continuously variable drive ratio40US 6,802,229 B12004
- Variable ratio power transmission means39US 4,630,495 AFairey Hydraulics Limited · 1986
- Continuously variable transmission with epicyclic constant mesh gearing12US 4,680,985 A1987
- Infinitely variable epicyclic transmissions12US 6,497,634 B1Veritran, Inc. · 2002