patentgrepDocs Get an API key

F16F 13/04

Comprising both a plastics spring and a damper

Official title: comprising both a plastics spring and a damper, e.g. a friction damper

F16F13/04 (Comprising both a plastics spring and a damper) appears on 1,978 US grants and 1,292 published applications in this corpus.

Search patents in F16F

Granted patents: 1,978
Published applications: 1,292
Assignees: 396
Inventors: 2,225
Latest grant: 6 Oct 2026

Filings by year

F16F 13/04: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	3	0
1977	3	0
1978	1	0
1979	3	0
1980	4	0
1981	3	0
1982	2	0
1983	15	0
1984	10	0
1985	16	0
1986	38	0
1987	68	0
1988	73	0
1989	81	0
1990	60	0
1991	57	0
1992	61	0
1993	61	0
1994	52	0
1995	37	0
1996	35	0
1997	29	0
1998	36	0
1999	56	0
2000	44	0
2001	42	19
2002	56	74
2003	68	63
2004	36	52
2005	18	45
2006	34	61
2007	38	48
2008	26	42
2009	19	58
2010	29	51
2011	29	37
2012	45	57
2013	38	48
2014	54	60
2015	48	55
2016	72	66
2017	61	64
2018	67	77
2019	78	90
2020	59	72
2021	47	41
2022	59	40
2023	36	32
2024	30	15
2025	25	17
2026	16	8

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents