F16K 37/00

Special means in or on valves or other cut-off apparatus for indicating

Official title: Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given

F16K37/00 (Special means in or on valves or other cut-off apparatus for indicating) appears on 3,197 US grants and 3,322 published applications in this corpus.

Search patents in F16K

Granted patents: 3,197
Published applications: 3,322
Assignees: 1,582
Inventors: 6,412
Latest grant: 6 Oct 2026

Filings by year

F16K 37/00: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	13	0
1977	5	0
1978	12	0
1979	9	0
1980	12	0
1981	21	0
1982	10	0
1983	8	0
1984	17	0
1985	23	0
1986	18	0
1987	26	0
1988	14	0
1989	30	0
1990	25	0
1991	18	0
1992	32	0
1993	29	0
1994	20	0
1995	18	0
1996	39	0
1997	29	0
1998	29	0
1999	21	0
2000	44	0
2001	41	8
2002	30	37
2003	34	36
2004	41	54
2005	39	51
2006	44	50
2007	25	46
2008	27	53
2009	33	49
2010	41	75
2011	33	83
2012	49	85
2013	78	130
2014	76	129
2015	107	131
2016	114	158
2017	140	210
2018	142	252
2019	203	209
2020	209	262
2021	219	228
2022	219	229
2023	186	234
2024	218	213
2025	211	184
2026	116	126

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

Special means in or on valves or other cut-off apparatus for indicating

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