F16F 15/13476
Resulting in a staged spring characteristic
Official title: {resulting in a staged spring characteristic, e.g. with multiple intermediate plates}
F16F15/13476 (Resulting in a staged spring characteristic) appears on 138 US grants and 87 published applications in this corpus.
Search patents in F16F- Granted patents
- 138
- Published applications
- 87
- Assignees
- 45
- Inventors
- 198
- Latest grant
- 30 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 4 |
| 2002 | 3 | 1 |
| 2003 | 5 | 3 |
| 2004 | 2 | 0 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 3 |
| 2013 | 1 | 2 |
| 2014 | 3 | 4 |
| 2015 | 4 | 16 |
| 2016 | 6 | 5 |
| 2017 | 10 | 12 |
| 2018 | 5 | 6 |
| 2019 | 7 | 11 |
| 2020 | 4 | 5 |
| 2021 | 2 | 1 |
| 2022 | 2 | 4 |
| 2023 | 6 | 0 |
| 2024 | 3 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Damper device30 Jul 2024US 12,049,937 B2Exedy Corporation
- Damper device23 Apr 2024US 11,965,576 B2Exedy Corporation
- Method for inerter with adaptively adjusted inertia ratio23 Apr 2024US 11,965,578 B2Dalian University of Technology
- Damper device10 Oct 2023US 11,781,618 B2Aisin Aw Industries Co., Ltd.
- Hydrodynamic torque converter and torsional vibration damper for same3 Oct 2023US 11,773,952 B2Schaeffler Technologies AG & Co. KG
- Torsional damper and hybrid driving module having same16 Jan 2025US 2025/0020172 A1Valeo Kapec Co., Ltd.
- Hydrodynamic torque converter and torsional vibration damper for same2 Jun 2022US 2022/0170539 A1Schaeffler Technologies AG & Co. KG
- Design method for inerter with adaptively adjusted inertia ratio26 May 2022US 2022/0163094 A1Dalian University of Technology
- Damper device24 Feb 2022US 2022/0056981 A1Exedy Corporation
- Damper device24 Feb 2022US 2022/0056982 A1Exedy Corporation
Most cited
By later US patents
- Apparatus for damping torsional vibrations in the power trains of motor vehicles57US 4,739,866 ALuk Lamellen und Kupplungsbau GmbH · 1988
- Apparatus for transmitting force between rotary driving and driven units48US 5,377,796 ALuk Lamellen und Kupplungsbau GmbH · 1995
- Vibration damping apparatus40US 5,042,632 ALuk Lamellen und Kupplungsbau GmbH · 1991
- Divided flywheel35US 4,662,239 ADaimler-Benz Aktiengesellschaft · 1987
- Apparatus for damping vibrations34US 5,273,372 ALuk Lamellen und Kupplungsbau GmbH · 1993