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A63B 37/00622

Surface hardness

Official title: {Surface hardness}

A63B37/00622 (Surface hardness) appears on 800 US grants and 881 published applications in this corpus.

Search patents in A63B

Granted patents: 800
Published applications: 881
Assignees: 32
Inventors: 229
Latest grant: 23 Jun 2026

Filings by year

A63B 37/00622: granted patents and published applications per publication year
Year	Granted patents	Published applications
1988	1	0
1989	0	0
1990	0	0
1991	1	0
1992	0	0
1993	0	0
1994	1	0
1995	3	0
1996	4	0
1997	4	0
1998	12	0
1999	9	0
2000	7	0
2001	13	6
2002	18	25
2003	27	34
2004	23	11
2005	13	8
2006	20	14
2007	15	15
2008	10	28
2009	12	54
2010	29	55
2011	45	66
2012	46	57
2013	29	53
2014	55	60
2015	57	68
2016	68	70
2017	64	58
2018	55	51
2019	60	32
2020	35	29
2021	25	19
2022	6	6
2023	15	14
2024	8	21
2025	6	23
2026	4	4

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

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