F16H 29/04
In which the transmission ratio is changed by adjustment of a crank
Official title: in which the transmission ratio is changed by adjustment of a crank, an eccentric, a wobble-plate, or a cam, on one of the shafts
F16H29/04 (In which the transmission ratio is changed by adjustment of a crank) appears on 101 US grants and 76 published applications in this corpus.
Search patents in F16H- Granted patents
- 101
- Published applications
- 76
- Assignees
- 29
- Inventors
- 90
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 4 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 3 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 2 |
| 2011 | 0 | 6 |
| 2012 | 2 | 6 |
| 2013 | 7 | 8 |
| 2014 | 9 | 11 |
| 2015 | 10 | 8 |
| 2016 | 10 | 6 |
| 2017 | 2 | 1 |
| 2018 | 0 | 3 |
| 2019 | 4 | 5 |
| 2020 | 1 | 2 |
| 2021 | 4 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Drive including a transmission driven by an electric motor7 Oct 2025US 12,435,777 B2Sew-Eurodrive GmbH & Co. KG
- Gearwheel transmission comprising wobble member22 Apr 2025US 12,281,694 B2Sed-Ef GmbH
- Continuously variable transmission31 Oct 2023US 11,802,610 B2Estbike Co., Ltd.
- Closed-loop control of an infinitely variable transmission27 Jun 2023US 11,686,388 B2University of Maryland, Baltimore County
- Wind turbine drive train19 Apr 2022US 11,306,703 B2
- Motor-integrated continuously variable transmission25 Sep 2025US 2025/0297673 A1
- Drive including a transmission driven by an electric motor19 Jun 2025US 2025/0198490 A1Sew-Eurodrive GmbH & Co. KG
- Gearwheel transmission comprising wobble member6 Feb 2025US 2025/0043854 A1Sed-Ef GmbH
- Closed-loop control of an infinitely variable transmission16 Jun 2022US 2022/0186830 A1University of Maryland, Baltimore County
- Wind Turbine Drive Train4 Nov 2021US 2021/0340961 A1
Most cited
By later US patents
- Continuously variable transmission244US 4,909,101 A1990
- Infinitely and continuously variable transmission system231US 6,119,539 AGalaxy Shipping Enterprises, Inc. · 2000
- Infinitely variable gear ratio transmission23US 4,487,085 A1984
- Mechanical transmission21US 4,967,615 A1990
- Transmission ratio changing apparatus and method21US 4,983,151 AEpilogics, Inc. · 1991