F16H 3/74
Complexes, not using actuatable speed-changing or regulating members
Official title: Complexes, not using actuatable speed-changing or regulating members, e.g. with gear ratio determined by free play of frictional or other forces
F16H3/74 (Complexes, not using actuatable speed-changing or regulating members) appears on 49 US grants and 28 published applications in this corpus.
Search patents in F16H- Granted patents
- 49
- Published applications
- 28
- Assignees
- 16
- Inventors
- 75
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 3 |
| 2013 | 1 | 1 |
| 2014 | 2 | 2 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 3 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gear changing system for an accessory gearbox of an aircraft turbine engine and method of use26 May 2026US 12,637,979 B2Safran Aircraft Engines
- Gear transmission2 Dec 2025US 12,486,884 B2Neptunus Transmission Oy
- SIVRT geartrain8 Jul 2025US 12,352,339 B2
- Speed-changing device13 Jun 2023US 11,674,576 B2Hitachi Construction Machinery Co., Ltd.
- Continuously variable transmission15 Sep 2020US 10,774,901 B2
- Gear changing system for an accessory gearbox of an aircraft turbine engine and method of use4 Dec 2025US 2025/0369396 A1Safran Aircraft Engines
- Electric drive system for a motor vehicle27 Nov 2025US 2025/0361925 A1Mercedes-Benz Group AG
- A gear transmission2 Oct 2025US 2025/0305562 A1Neptunus Transmission Oy
- Speed-Changing Device11 May 2023US 2023/0147860 A1Hitachi Construction Machinery Co., Ltd.
- Differential Deceleration and Continuously Variable Transmission Gear Box with Self-locking Functional Small Tooth Number Difference Planetary Gear16 Jul 2020US 2020/0224750 A1
Most cited
By later US patents