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F16F 15/1331

C-shaped springs

Official title: {C-shaped springs}

F16F15/1331 (C-shaped springs) appears on 15 US grants and 5 published applications in this corpus.

Search patents in F16F

Granted patents: 15
Published applications: 5
Assignees: 5
Inventors: 26
Latest grant: 14 Aug 2018

Filings by year

F16F 15/1331: granted patents and published applications per publication year
Year	Granted patents	Published applications
1988	1	0
1989	0	0
1990	1	0
1991	0	0
1992	0	0
1993	2	0
1994	2	0
1995	0	0
1996	2	0
1997	1	0
1998	0	0
1999	0	0
2000	2	0
2001	1	0
2002	0	2
2003	0	1
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	1	0
2016	0	1
2017	1	0
2018	1	0

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

F16F 15/1332Disposed around axis of rotation5

Recent patents

Vehicle propulsion system torque transfer vibration attenuation mechanism14 Aug 2018US 10,047,822 B1
Arc coil spring configuration23 May 2017US 9,657,808 B2GM Global Technology Operations LLC
Arc coil spring configuration8 Dec 2015US 9,206,871 B2GM Global Technology Operations LLC
Torsional vibration damper or torsionally elastic coupling29 May 2001US 6,238,294 B1Ellergon Antriebstechnik GmbH
Fluid damper with hydraulic slack13 Jun 2000US 6,074,302 AEaton Corporation

Most cited

By later US patents