F16K 31/535

For rotating valves

Official title: {for rotating valves (F16K31/54 takes precedence)}

F16K31/535 (For rotating valves) appears on 386 US grants and 439 published applications in this corpus.

Search patents in F16K
Granted patents
386
Published applications
439
Assignees
276
Inventors
866
Latest grant
11 Aug 2026

Filings by year

F16K 31/535: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197710
197830
197920
198000
198110
198200
198300
198410
198510
198620
198720
198830
198900
199010
199100
199200
199300
199400
199500
199600
199710
199800
199900
200030
200121
200252
200313
200476
200533
200653
200745
200844
200939
201035
201133
201210
2013510
201436
2015516
2016211
20171831
20182332
20192537
20202939
20213630
20223755
20233441
20244440
20254226
20261921

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