F16H 9/08
Engaging a conical drum
Official title: engaging a conical drum (F16H9/12 takes precedence)
F16H9/08 (Engaging a conical drum) appears on 25 US grants and 45 published applications in this corpus.
Search patents in F16H- Granted patents
- 25
- Published applications
- 45
- Assignees
- 8
- Inventors
- 29
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 1 | 6 |
| 2015 | 0 | 5 |
| 2016 | 1 | 4 |
| 2017 | 2 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 2 |
| 2022 | 0 | 2 |
| 2023 | 1 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Toothed CVT for which teeth re-engagement is improved2 Dec 2025US 12,486,885 B2
- Flexible ramp for raising a leveling extension4 Nov 2025US 12,460,702 B1
- System and method for bicycle transmission17 Sep 2024US 12,091,134 B2
- System and method for bicycle transmission3 Oct 2023US 11,772,743 B2
- Displacement detecting device and continuously variable transmission device19 Oct 2021US 11,150,109 B2Melexis Technologies SA
- Cvt cones for timing belts15 Jan 2026US 2026/0016069 A1
- Flexible ramp for raising a leveling extension6 Nov 2025US 2025/0341246 A1
- Toothed cvt for which teeth re-engagement is improved11 Sep 2025US 2025/0283524 A1
- Toothed cvt for which teeth re-engagement is improved11 Sep 2025US 2025/0283525 A1
- Cvt cones that use commercially available transmission belts7 Nov 2024US 2024/0369128 A1
Most cited
By later US patents
- Spring operated, reversibly rotatable body20US 3,997,126 A1976
- Cones, configurations, and adjusters for friction and non-friction dependent continuous variable transmissions13US 8,628,439 B22014
- Spring-operated reversably rotatable body11US 4,290,564 A1981
- Variable speed drive11US 4,295,383 AW. R. Grace & Co. · 1981
- Chain driven, continuously infinite variable speed transmission system11US 4,875,389 A1989