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A63B 37/0047

Density

Official title: {Density; Specific gravity}

A63B37/0047 (Density) appears on 416 US grants and 450 published applications in this corpus.

Search patents in A63B

Granted patents: 416
Published applications: 450
Assignees: 27
Inventors: 183
Latest grant: 16 Dec 2025

Filings by year

A63B 37/0047: granted patents and published applications per publication year
Year	Granted patents	Published applications
1987	1	0
1988	0	0
1989	0	0
1990	0	0
1991	0	0
1992	1	0
1993	2	0
1994	0	0
1995	0	0
1996	1	0
1997	1	0
1998	3	0
1999	4	0
2000	10	0
2001	12	3
2002	11	17
2003	11	23
2004	19	23
2005	15	14
2006	26	19
2007	11	16
2008	12	12
2009	9	26
2010	18	26
2011	21	25
2012	14	13
2013	12	27
2014	22	41
2015	34	31
2016	29	29
2017	26	24
2018	24	22
2019	26	22
2020	19	10
2021	8	4
2022	4	4
2023	2	4
2024	4	7
2025	4	6
2026	0	2

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

Recent patents

Golf ball including metal foam layer16 Dec 2025US 12,496,497 B2Acushnet Company
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Multi-piece solid golf ball1 Jul 2025US 12,343,597 B2Bridgestone Sports Co.Ltd.
Multi-piece solid golf ball3 Jun 2025US 12,318,667 B2Bridgestone Sports Co.Ltd.
Method for forming polyurethane covers for golf balls using foam compositions20 Aug 2024US 12,064,667 B2Acushnet Company

Most cited

By later US patents