patentgrepDocs Get an API key

A63B 37/0061

Coefficient of restitution

Official title: {Coefficient of restitution}

A63B37/0061 (Coefficient of restitution) appears on 273 US grants and 303 published applications in this corpus.

Search patents in A63B

Granted patents: 273
Published applications: 303
Assignees: 34
Inventors: 164
Latest grant: 25 Aug 2026

Filings by year

A63B 37/0061: granted patents and published applications per publication year
Year	Granted patents	Published applications
1981	1	0
1982	0	0
1983	0	0
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	2	0
1993	1	0
1994	0	0
1995	1	0
1996	2	0
1997	0	0
1998	3	0
1999	0	0
2000	4	0
2001	6	4
2002	5	9
2003	7	22
2004	15	14
2005	10	21
2006	22	24
2007	16	18
2008	21	17
2009	10	11
2010	6	16
2011	9	13
2012	13	10
2013	6	29
2014	10	16
2015	26	12
2016	17	12
2017	10	10
2018	11	7
2019	8	1
2020	7	4
2021	5	0
2022	2	2
2023	2	8
2024	5	5
2025	3	14
2026	6	4

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

Recent patents

Golf balls having reduced distance25 Aug 2026US 12,714,916 B2Acushnet Company
Golf ball incorporating inorganic aluminosilicate ceramic microspheres in at least one layer30 Jun 2026US 12,667,756 B2Acushnet Company
Golf club face thickness optimization method26 May 2026US 12,639,490 B1Callaway Golf Company
Golf ball12 May 2026US 12,623,121 B1Taylor Made Golf Company, Inc.
Golf club face thickness optimization method28 Apr 2026US 12,614,009 B1Callaway Golf Company

Most cited

By later US patents