F16D 13/56
In which the clutching pressure is produced by springs only
Official title: in which the clutching pressure is produced by springs only
F16D13/56 (In which the clutching pressure is produced by springs only) appears on 169 US grants and 189 published applications in this corpus.
Search patents in F16D- Granted patents
- 169
- Published applications
- 189
- Assignees
- 56
- Inventors
- 257
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 4 |
| 2007 | 2 | 6 |
| 2008 | 2 | 7 |
| 2009 | 1 | 8 |
| 2010 | 3 | 8 |
| 2011 | 3 | 5 |
| 2012 | 12 | 2 |
| 2013 | 7 | 5 |
| 2014 | 4 | 4 |
| 2015 | 7 | 9 |
| 2016 | 5 | 6 |
| 2017 | 10 | 13 |
| 2018 | 9 | 11 |
| 2019 | 11 | 13 |
| 2020 | 17 | 19 |
| 2021 | 9 | 11 |
| 2022 | 15 | 9 |
| 2023 | 15 | 17 |
| 2024 | 17 | 12 |
| 2025 | 6 | 12 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Clutch apparatus and motorcycle22 Sep 2026US 12,742,480 B2Kabushiki Kaisha F.C.C.
- Clutch device4 Aug 2026US 12,698,809 B2Kabushiki Kaisha F.C.C.
- Clutch apparatus28 Jul 2026US 12,692,908 B2Kabushiki Kaisha F.C.C.
- Clutch device28 Jul 2026US 12,692,909 B2Kabushiki Kaisha F.C.C.
- Clutch device, motorcycle, and method for producing pressure plate21 Apr 2026US 12,607,235 B2Kabushiki Kaisha F.C.C.
- Clutch apparatus and motorcycle30 Jul 2026US 2026/0218758 A1Kabushiki Kaisha F.C.C.
- Clutch device and motorcycle21 May 2026US 2026/0139713 A1Kabushiki Kaisha F.C.C.
- Clutch apparatus23 Apr 2026US 2026/0110339 A1Kabushiki Kaisha F.C.C.
- Clutch apparatus23 Apr 2026US 2026/0110340 A1Kabushiki Kaisha F.C.C.
- Clutch apparatus23 Apr 2026US 2026/0110341 A1Kabushiki Kaisha F.C.C.
Most cited
By later US patents
- Carbon to carbon friction clutch36US 4,846,326 A1989
- Multiple rotating disk assembly with elastic separator means23US 4,676,356 AValeo · 1987
- Electric motor clutch/brake assembly19US 8,615,976 B1Hydro-Gear Limited Partnership · 2013
- Operating assist device for vehicle clutch16US 7,395,912 B2Yamaha Hatsudoki Kabushiki Kaisha · 2008
- Friction clutch with carbon pressure plate14US 5,779,018 AMannesmann Sachs AG · 1998