F16H 55/52
Pulleys or friction discs of adjustable construction
F16H55/52 (Pulleys or friction discs of adjustable construction) appears on 705 US grants and 562 published applications in this corpus.
Search patents in F16H- Granted patents
- 705
- Published applications
- 562
- Assignees
- 239
- Inventors
- 1,142
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 15 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 9 | 0 |
| 1984 | 9 | 0 |
| 1985 | 14 | 0 |
| 1986 | 23 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 10 | 0 |
| 1995 | 15 | 0 |
| 1996 | 13 | 0 |
| 1997 | 11 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 17 | 0 |
| 2001 | 16 | 14 |
| 2002 | 23 | 25 |
| 2003 | 19 | 14 |
| 2004 | 10 | 36 |
| 2005 | 19 | 35 |
| 2006 | 21 | 21 |
| 2007 | 14 | 33 |
| 2008 | 5 | 22 |
| 2009 | 9 | 25 |
| 2010 | 24 | 20 |
| 2011 | 14 | 23 |
| 2012 | 16 | 19 |
| 2013 | 18 | 15 |
| 2014 | 15 | 20 |
| 2015 | 19 | 19 |
| 2016 | 15 | 17 |
| 2017 | 21 | 34 |
| 2018 | 18 | 40 |
| 2019 | 21 | 18 |
| 2020 | 24 | 26 |
| 2021 | 21 | 17 |
| 2022 | 18 | 18 |
| 2023 | 23 | 21 |
| 2024 | 20 | 12 |
| 2025 | 11 | 15 |
| 2026 | 11 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Output assembly for driving a drive pulley of a continuously variable transmission and for supplying hydraulic fluid to the drive pulley for actuating the drive pulley14 Jul 2026US 12,680,609 B2Brp-Rotax GmbH & Co. KG
- Vehicle steering device2 Jun 2026US 12,643,595 B2Hl Mando Corporation
- Super charger components19 May 2026US 12,631,244 B2Zpe Licensing Inc.
- Bicycle drivetrain and bicycle including the same12 May 2026US 12,623,751 B2
- Double cam actuation system for CVT5 May 2026US 12,618,457 B2Cvtech-Ibc Inc.
- Super charger components27 Aug 2026US 2026/0251210 A1Zpe Licensing Inc.
- Driven clutch for continuously variable transmission20 Aug 2026US 2026/0243331 A1Polaris Industries Inc.
- Cvt cones for timing belts15 Jan 2026US 2026/0016069 A1
- Drive clutch27 Nov 2025US 2025/0361927 A1Arctic Cat Inc.
- Flexible ramp for raising a leveling extension6 Nov 2025US 2025/0341246 A1
Most cited
By later US patents
- V-belt type continuously variable transmission250US 4,585,429 AYamaha Hatsudoki Kabushiki Kaisha · 1986
- Torque sensor for a continuously variable transmission215US 6,575,047 B2WK Lamellen und Kupplungsban Beteiligungs KG · 2003
- Torque responsive automatic bicycle transmission with hold system163US 4,781,663 A1988
- Recreational vehicle with air cooled transmission106US 4,697,665 APolaris Industries Inc. · 1987
- Continuously variable transmission driven element100US 6,120,399 AProduct Research and Development · 2000