F16F 15/1238
With pre-damper, i.e. additional set of springs between flange of main damper
Official title: {with pre-damper, i.e. additional set of springs between flange of main damper and hub}
F16F15/1238 (With pre-damper, i.e. additional set of springs between flange of main damper) appears on 156 US grants and 28 published applications in this corpus.
Search patents in F16F- Granted patents
- 156
- Published applications
- 28
- Assignees
- 30
- Inventors
- 193
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 12 | 0 |
| 1987 | 16 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 14 | 1 |
| 2002 | 6 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 3 |
| 2011 | 3 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 2 |
| 2018 | 3 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 3 |
| 2022 | 1 | 7 |
| 2023 | 4 | 1 |
| 2024 | 4 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Dual rate torsional coupling11 Mar 2025US 12,247,635 B2Lord Corporation
- Damper device24 Dec 2024US 12,173,770 B2Exedy Corporation
- Drive train unit with a torsion damper and an inner intermediate hub12 Nov 2024US 12,140,194 B2Schaeffler Technologies AG & Co. KG
- Damper apparatus18 Jun 2024US 12,013,009 B2Aisin Corporation
- Hysteresis torque generating mechanism and power transmission device23 Apr 2024US 11,965,575 B2Exedy Corporation
- Damper device2 Feb 2023US 2023/0034082 A1Exedy Corporation
- Vehicle engine starting method, series hybrid vehicle, and vehicle engine starting device8 Dec 2022US 2022/0389896 A1Nissan Motor Co., Ltd.
- Control method and control device for internal combustion engine18 Aug 2022US 2022/0258721 A1Nissan Motor Co., Ltd.
- Drive train unit with a torsion damper and an inner intermediate hub11 Aug 2022US 2022/0252133 A1Schaeffler Technologies AG & Co. KG
- Dual rate torsional coupling21 Jul 2022US 2022/0228642 A1Lord Corporation
Most cited
By later US patents
- Torsion damper including a pre-damper having a housing with hooked tongues, in particular for a motor vehicle60US 5,240,458 AValeo · 1993
- Torsion damping assembly for friction clutches50US 4,212,380 ASociete Anonyme Francaise du Ferodo · 1980
- Clutch disk with torsional damper device32US 5,246,398 ALuk Lamellen und Kupplungsbau GmbH · 1993
- Hydrodynamic torque converter30US 6,142,272 ALuK Getriebe-Systeme GmbH · 2000
- Friction clutch driven plate29US 4,440,283 AAutomotive Products plc · 1984