F16F 15/1333
Spiral springs
Official title: {Spiral springs, e.g. lying in one plane, around axis of rotation}
F16F15/1333 (Spiral springs) appears on 18 US grants and 20 published applications in this corpus.
Search patents in F16F- Granted patents
- 18
- Published applications
- 20
- Assignees
- 6
- Inventors
- 30
- Latest grant
- 23 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 11 |
| 2018 | 9 | 4 |
| 2019 | 3 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for inerter with adaptively adjusted inertia ratio23 Apr 2024US 11,965,578 B2Dalian University of Technology
- Vibration damper, associated damping mechanism and propulsion assembly14 Sep 2021US 11,118,652 B2Valeo Embrayages
- Torsional vibration damper30 Mar 2021US 10,962,085 B2Toyota Jidosha Kabushiki Kaisha
- Vibration damping device for motor vehicle transmission drivetrain14 Jan 2020US 10,533,627 B2Valeo Embrayages
- Torsional vibration damper22 Oct 2019US 10,451,144 B2BorgWarner Inc.
- Design method for inerter with adaptively adjusted inertia ratio26 May 2022US 2022/0163094 A1Dalian University of Technology
- Torsional vibration damper and lock-up clutch for hydrokinetic torque-coupling device, and method for making the same14 May 2020US 2020/0149620 A1Valeo Embrayages
- Vibration damper, associated damping mechanism and propulsion assembly24 Jan 2019US 2019/0024750 A1Valeo Embrayages
- Torsional vibration damper and lock-up clutch for hydrokinetic torque-coupling device, and method for making the same3 Jan 2019US 2019/0003532 A1Valeo Embrayages
- Vibration damper and lock-up clutch for hydrokinetic torque-coupling device, and method for making the same11 Oct 2018US 2018/0291991 A1Valeo Embrayages
Most cited
By later US patents
- Two mass flywheel assembly with torsional damping means29US 4,782,936 AEaton Corporation · 1988
- Hydrokinetic torque coupling device for a motor vehicle3US 9,822,862 B2Valeo Embrayages · 2017
- Vibration damper and lock-up clutch for hydrokinetic torque-coupling device, and method for making the same2US 10,094,460 B1Valeo Embrayages · 2018
- Transmission torque converter device2US 10,288,144 B2Valeo Embrayages · 2019
- Hydrokinetic torque coupling device for a motor vehicle1US 10,030,753 B2Valeo Embrayages · 2018