F16K 3/00

Gate valves or sliding valves, i.e. cut-off apparatus with closing members having

Official title: Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing (F16K5/00 takes precedence; in barrages or weirs E02B8/04)

F16K3/00 (Gate valves or sliding valves, i.e. cut-off apparatus with closing members having) appears on 3,787 US grants and 3,266 published applications in this corpus.

Search patents in F16K

Granted patents: 3,787
Published applications: 3,266
Assignees: 1,805
Inventors: 6,270
Latest grant: 6 Oct 2026

Filings by year

F16K 3/00: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	46	0
1977	51	0
1978	42	0
1979	41	0
1980	48	0
1981	49	0
1982	38	0
1983	42	0
1984	43	0
1985	60	0
1986	43	0
1987	59	0
1988	37	0
1989	41	0
1990	48	0
1991	38	0
1992	50	0
1993	29	0
1994	35	0
1995	33	0
1996	23	0
1997	26	0
1998	44	0
1999	42	0
2000	57	0
2001	52	15
2002	47	52
2003	54	61
2004	45	62
2005	72	77
2006	61	87
2007	41	59
2008	41	63
2009	34	86
2010	46	87
2011	45	79
2012	64	79
2013	76	116
2014	91	155
2015	110	193
2016	164	189
2017	164	206
2018	159	200
2019	189	228
2020	207	241
2021	201	190
2022	196	178
2023	157	156
2024	173	168
2025	137	122
2026	96	117

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

Gate valves or sliding valves, i.e. cut-off apparatus with closing members having

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