B26B 21/00

Razors of the open or knife type

Official title: Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor

B26B21/00 (Razors of the open or knife type) appears on 2,503 US grants and 2,728 published applications in this corpus.

Search patents in B26B

Granted patents: 2,503
Published applications: 2,728
Assignees: 365
Inventors: 2,846
Latest grant: 6 Oct 2026

Filings by year

B26B 21/00: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	35	0
1977	20	0
1978	21	0
1979	10	0
1980	22	0
1981	31	0
1982	20	0
1983	18	0
1984	27	0
1985	20	0
1986	23	0
1987	27	0
1988	26	0
1989	38	0
1990	40	0
1991	63	0
1992	38	0
1993	25	0
1994	39	0
1995	35	0
1996	35	0
1997	34	0
1998	44	0
1999	42	0
2000	49	0
2001	51	12
2002	40	46
2003	36	55
2004	26	72
2005	30	82
2006	40	75
2007	29	90
2008	18	85
2009	29	87
2010	49	95
2011	43	112
2012	50	107
2013	64	86
2014	69	103
2015	52	100
2016	65	108
2017	84	148
2018	79	153
2019	113	157
2020	124	165
2021	122	166
2022	139	148
2023	130	138
2024	88	146
2025	92	110
2026	59	82

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

Razors of the open or knife type

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