F16K 21/06

In which the closing movement, either retarded or not, starts immediately after

Official title: in which the closing movement, either retarded or not, starts immediately after opening

F16K21/06 (In which the closing movement, either retarded or not, starts immediately after) appears on 142 US grants and 108 published applications in this corpus.

Search patents in F16K
Granted patents
142
Published applications
108
Assignees
89
Inventors
223
Latest grant
1 Sep 2026

Filings by year

F16K 21/06: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197720
197800
197900
198020
198120
198220
198300
198420
198530
198630
198730
198830
198920
199020
199140
199220
199320
199420
199560
199610
199710
199820
199910
200010
200121
200231
200321
200412
200524
200645
200734
200822
200917
201025
201138
201224
201332
201453
201531
201643
201738
2018410
201985
202045
202157
202255
202393
202438
202572
202612

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

Subgroups

Granted patents