F16D 21/04
With a shaft carrying a number of rotatable transmission members
Official title: with a shaft carrying a number of rotatable transmission members, e.g. gears, each of which can be connected to the shaft by a clutching member or members between the shaft and the hub of the transmission member
F16D21/04 (With a shaft carrying a number of rotatable transmission members) appears on 181 US grants and 125 published applications in this corpus.
Search patents in F16D- Granted patents
- 181
- Published applications
- 125
- Assignees
- 101
- Inventors
- 318
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 3 |
| 2005 | 6 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 1 | 5 |
| 2009 | 2 | 4 |
| 2010 | 4 | 3 |
| 2011 | 6 | 4 |
| 2012 | 2 | 2 |
| 2013 | 3 | 6 |
| 2014 | 5 | 14 |
| 2015 | 8 | 11 |
| 2016 | 10 | 5 |
| 2017 | 8 | 7 |
| 2018 | 2 | 15 |
| 2019 | 6 | 10 |
| 2020 | 13 | 5 |
| 2021 | 13 | 9 |
| 2022 | 7 | 4 |
| 2023 | 7 | 4 |
| 2024 | 5 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic clutch, travel power transmission device, and work vehicle11 Mar 2025US 12,247,630 B2Kubota Corporation
- Electric driving apparatus for vehicle25 Feb 2025US 12,234,897 B2Erae Ams Co., Ltd.
- Lay-shaft assembly for use in a vehicle transmission3 Dec 2024US 12,158,205 B2Punch Powertrain Psa E-Transmissions N.V.
- Clutch assembly19 Nov 2024US 12,146,531 B2Means Industries, Inc.
- Ramp-on-ramp overriding clutch arrangement2 Apr 2024US 11,946,511 B2Allison Transmission, Inc.
- Marine propulsion device29 Jan 2026US 2026/0028109 A1Suzuki Motor Corporation
- Gearbox with no break in torque6 Feb 2025US 2025/0042506 A1
- Hydraulic clutch, travel power transmission device, and work vehicle26 Dec 2024US 2024/0426351 A1Kubota Corporation
- Electric driving apparatus for vehicle28 Mar 2024US 2024/0102536 A1Erae Ams Co., Ltd.
- Two-speed transmission for an electric drive system, and drive system including such a two-speed transmission21 Sep 2023US 2023/0296162 A1HöHn GmbH
Most cited
By later US patents
- Self-detenting transmission shift key1,024US 5,109,722 AThe Toro Company · 1992
- Mechanical transmission and control method therefor70US 4,788,889 AEaton Corporation · 1988
- Speed changer mechanism for electrically powered tool41US 5,019,023 AHitachi Koki Co., Ltd. · 1991
- Twin-clutch transmission35US 7,340,973 B2Kyowa Metal Works Co., Ltd. · 2008
- Quick-connect mechanism for releasably retaining a power take-off shaft within an output shaft hub34US 5,667,330 ACase Corporation · 1997