F16D 13/71
In which the clutching pressure is produced by springs only
Official title: in which the clutching pressure is produced by springs only
F16D13/71 (In which the clutching pressure is produced by springs only) appears on 228 US grants and 92 published applications in this corpus.
Search patents in F16D- Granted patents
- 228
- Published applications
- 92
- Assignees
- 66
- Inventors
- 360
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 16 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 10 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 13 | 0 |
| 1998 | 13 | 0 |
| 1999 | 15 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 2 |
| 2002 | 7 | 10 |
| 2003 | 4 | 8 |
| 2004 | 6 | 8 |
| 2005 | 6 | 4 |
| 2006 | 2 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 7 |
| 2015 | 6 | 4 |
| 2016 | 2 | 2 |
| 2017 | 3 | 4 |
| 2018 | 2 | 3 |
| 2019 | 1 | 4 |
| 2020 | 6 | 9 |
| 2021 | 5 | 4 |
| 2022 | 4 | 6 |
| 2023 | 4 | 0 |
| 2024 | 3 | 2 |
| 2025 | 0 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Clutch apparatus15 Sep 2026US 12,736,093 B2Kabushiki Kaisha F.C.C.
- Clutch device28 Jul 2026US 12,692,909 B2Kabushiki Kaisha F.C.C.
- Clutch mechanism, in particular for a motorized vehicle19 May 2026US 12,631,222 B2Valeo Embrayages
- Lining system with sensor1 Oct 2024US 12,104,654 B2
- Clutch device and motorcycle26 Mar 2024US 11,940,013 B1Kabushiki Kaisha F.C.C.
- Clutch apparatus23 Apr 2026US 2026/0110339 A1Kabushiki Kaisha F.C.C.
- Clutch System19 Feb 2026US 2026/0049640 A1
- Clutch device4 Dec 2025US 2025/0369487 A1Kabushiki Kaisha F.C.C.
- Clutch apparatus23 Oct 2025US 2025/0327492 A1Kabushiki Kaisha F.C.C.
- Clutch apparatus25 Sep 2025US 2025/0297650 A1Kabushiki Kaisha F.C.C.
Most cited
By later US patents
- Automatically adjustable friction clutch59US 5,409,091 ALuk Lamellen und Kupplungsbau GmbH · 1995
- Friction clutch59US 5,450,934 ALuk Lamellen und Kupplungsbau GmbH · 1995
- Carbon to carbon friction clutch36US 4,846,326 A1989
- Self adjusting clutch cover assembly36US 5,069,322 AKabushiki Kaisha Daikin Seisakusho · 1991
- Method, device and use thereof for operating a motor vehicle30US 7,160,225 B2LuK Lamellen und Kupplungsbau Beteiligungs KG · 2007