F16F 15/12393
Pre-damper springs are of non-wound type
Official title: {pre-damper springs are of non-wound type, e.g. leaf springs}
F16F15/12393 (Pre-damper springs are of non-wound type) appears on 4 US grants and 3 published applications in this corpus.
Search patents in F16F- Granted patents
- 4
- Published applications
- 3
- Assignees
- 4
- Inventors
- 5
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Dual rate torsional coupling11 Mar 2025US 12,247,635 B2Lord Corporation
- Drive assembly including hub assembly extension17 May 2022US 11,333,217 B2Schaeffler Technologies AG & Co. KG
- Device to dampen vibrations, especially a torsional vibration damper and force transmission device11 Oct 2011US 8,033,370 B2Schaeffler Technologies AG & Co. KG
- Clutch disk having a splined hub11 Sep 1984US 4,470,494 AKabushiki Kaisha Daikin Seisakusho
- Dual rate torsional coupling21 Jul 2022US 2022/0228642 A1Lord Corporation
- Drive assembly including hub assembly extension13 Feb 2020US 2020/0049227 A1Schaeffler Technologies AG & Co. KG
- Device to dampen vibrations, especially a torsional vibration damper and force transmission device25 Dec 2008US 2008/0314710 A1LuK Lamellen und Kupplungsbau Beteiligungs KG
Most cited
By later US patents
- Clutch disk having a splined hub21US 4,470,494 AKabushiki Kaisha Daikin Seisakusho · 1984
- Device to dampen vibrations, especially a torsional vibration damper and force transmission device5US 8,033,370 B2Schaeffler Technologies AG & Co. KG · 2011
- Drive assembly including hub assembly extension1US 11,333,217 B2Schaeffler Technologies AG & Co. KG · 2022