F16D 3/30
In which the coupling is specially adapted to constant velocity-ratio
Official title: in which the coupling is specially adapted to constant velocity-ratio
F16D3/30 (In which the coupling is specially adapted to constant velocity-ratio) appears on 212 US grants and 162 published applications in this corpus.
Search patents in F16D- Granted patents
- 212
- Published applications
- 162
- Assignees
- 130
- Inventors
- 310
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 4 |
| 2003 | 4 | 7 |
| 2004 | 6 | 8 |
| 2005 | 5 | 5 |
| 2006 | 8 | 7 |
| 2007 | 3 | 2 |
| 2008 | 3 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 2 | 4 |
| 2012 | 2 | 1 |
| 2013 | 2 | 3 |
| 2014 | 5 | 10 |
| 2015 | 5 | 10 |
| 2016 | 9 | 7 |
| 2017 | 6 | 12 |
| 2018 | 12 | 10 |
| 2019 | 14 | 10 |
| 2020 | 3 | 12 |
| 2021 | 9 | 17 |
| 2022 | 13 | 10 |
| 2023 | 9 | 7 |
| 2024 | 7 | 5 |
| 2025 | 10 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Universal joint shaft31 Mar 2026US 12,588,579 B2Walterscheid GmbH
- Adapter assembly with constant velocity joints24 Mar 2026US 12,582,401 B2Covidien LP
- Compensating coupling30 Dec 2025US 12,510,122 B2Schaeffler Technologies AG & Co. KG
- Universal joint and method7 Oct 2025US 12,435,761 B2
- Leading-edge steering assembly23 Sep 2025US 12,420,864 B2
- Adapter assembly with constant velocity joints2 Jul 2026US 2026/0182989 A1Covidien LP
- Adapter assembly with constant velocity joints2 Oct 2025US 2025/0302478 A1Covidien LP
- Thrust vectoring propulsor15 May 2025US 2025/0153844 A1Aerofex, Inc.
- Transmission apparatus applied to antenna19 Dec 2024US 2024/0418225 A1Prose Technologies LLC
- Flexible drivetrain for mobile generator14 Nov 2024US 2024/0376938 A1Voltagrid LLC
Most cited
By later US patents
- Stapler with composite cardan and screw drive707US 10,973,517 B2Intuitive Surgical Operations, Inc. · 2021
- Universal joint having exterior, lubricating ring79US 5,277,659 A1994
- Double cardan universal joint with improved centering means75US 4,509,932 AThe Zeller Corporation · 1985
- Anti-backlash double universal flexible coupling69US 4,457,738 AXerox Corporation · 1984
- Constant velocity joint65US 5,954,586 AYordak Ltd. · 1999