F16K 3/22

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

Official title: with sealing faces shaped as surfaces of solids of revolution (F16K13/02 takes precedence; with resilient valve members F16K3/28)

F16K3/22 (Gate valves or sliding valves, i.e. cut-off apparatus with closing members having) appears on 1,096 US grants and 1,103 published applications in this corpus.

Search patents in F16K
Granted patents
1,096
Published applications
1,103
Assignees
669
Inventors
2,130
Latest grant
6 Oct 2026

Filings by year

F16K 3/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976120
1977160
1978100
197960
198040
198190
198240
198390
198430
198570
198670
1987120
198850
198990
199070
199170
1992100
199360
199440
199580
199670
199720
199870
199950
2000120
2001121
2002818
20031524
20041718
20052123
20061427
2007921
20081319
20091122
20101326
20111033
20122320
20132935
20142954
20153264
20166759
20174465
20185671
20196698
20207086
20218175
20226355
20235869
20246653
20255636
20262531

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

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Granted patents