B26B 21/222

With the blades moulded into, or attached to, a changeable unit

Official title: {with the blades moulded into, or attached to, a changeable unit (B26B21/4006 takes precedence)}

B26B21/222 (With the blades moulded into, or attached to, a changeable unit) appears on 856 US grants and 1,004 published applications in this corpus.

Search patents in B26B

Granted patents: 856
Published applications: 1,004
Assignees: 102
Inventors: 875
Latest grant: 8 Sep 2026

Filings by year

B26B 21/222: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	5	0
1977	3	0
1978	1	0
1979	3	0
1980	4	0
1981	13	0
1982	7	0
1983	7	0
1984	5	0
1985	8	0
1986	7	0
1987	2	0
1988	4	0
1989	6	0
1990	7	0
1991	17	0
1992	6	0
1993	8	0
1994	9	0
1995	7	0
1996	14	0
1997	6	0
1998	9	0
1999	5	0
2000	15	0
2001	12	4
2002	11	16
2003	11	22
2004	9	25
2005	8	28
2006	12	27
2007	12	28
2008	6	27
2009	9	27
2010	19	29
2011	18	31
2012	19	25
2013	18	16
2014	13	21
2015	18	36
2016	19	39
2017	36	70
2018	31	71
2019	57	96
2020	63	53
2021	60	82
2022	60	43
2023	57	42
2024	39	53
2025	36	54
2026	25	39

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

With the blades moulded into, or attached to, a changeable unit

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