F16D 13/644
Hub construction
Official title: {Hub construction}
F16D13/644 (Hub construction) appears on 194 US grants and 139 published applications in this corpus.
Search patents in F16D- Granted patents
- 194
- Published applications
- 139
- Assignees
- 75
- Inventors
- 407
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 9 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 4 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 6 |
| 2009 | 3 | 8 |
| 2010 | 2 | 3 |
| 2011 | 2 | 1 |
| 2012 | 4 | 4 |
| 2013 | 4 | 5 |
| 2014 | 3 | 4 |
| 2015 | 2 | 8 |
| 2016 | 4 | 6 |
| 2017 | 6 | 16 |
| 2018 | 9 | 15 |
| 2019 | 18 | 6 |
| 2020 | 5 | 11 |
| 2021 | 8 | 7 |
| 2022 | 8 | 13 |
| 2023 | 5 | 5 |
| 2024 | 8 | 4 |
| 2025 | 3 | 2 |
| 2026 | 4 | 1 |
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.
- Torsion damper and clutch disc2 Jun 2026US 12,644,499 B2Valeo Embrayages
- Clutch device19 May 2026US 12,631,221 B2Honda Motor Co., Ltd.
- Clutch assembly31 Mar 2026US 12,590,609 B2Clutch Industries Pty Ltd
- Rotation transmission disc23 Sep 2025US 12,422,009 B2Sunstar Engineering Inc.
- Clutch apparatus and motorcycle30 Jul 2026US 2026/0218758 A1Kabushiki Kaisha F.C.C.
- Clutch device4 Sep 2025US 2025/0277514 A1Honda Motor Co., Ltd.
- Torsion damper and clutch disc3 Jul 2025US 2025/0215955 A1Valeo Embrayages
- Drag reduction clutch plates with spring return feature24 Oct 2024US 2024/0352978 A1GM Global Technology Operatons LLC
- Rotation transmission disc24 Oct 2024US 2024/0352982 A1Sunstar Engineering Inc.
Most cited
By later US patents
- Automotive drivetrain having deflection compensation52US 7,383,748 B22008
- Torsion damping assembly for friction clutches50US 4,212,380 ASociete Anonyme Francaise du Ferodo · 1980
- Torsion damping assembly and radially deformable bearing therefor41US 4,453,838 AValeo · 1984
- High deflection amplitude torsional vibration damper35US 4,139,995 ABorg-Warner Corporation · 1979
- Damper disc34US 4,601,676 AKabushiki Kaisha Daikin Seisakusho · 1986