B65F 1/1623

With means for assisting the opening or closing thereof

Official title: {with means for assisting the opening or closing thereof, e.g. springs (spring-actuated swinging wings E05F1/10)}

B65F1/1623 (With means for assisting the opening or closing thereof) appears on 588 US grants and 689 published applications in this corpus.

Search patents in B65F
Granted patents
588
Published applications
689
Assignees
247
Inventors
950
Latest grant
15 Sep 2026

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B65F 1/1623: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197730
197830
197930
198020
198140
198220
198300
198410
198520
198630
198730
198850
198920
199050
199140
199290
1993100
199480
199550
199650
199730
199850
199970
200060
200173
20021213
2003916
2004620
2005727
20061730
2007828
2008833
20091420
20101522
20111627
20122017
20132124
20141731
20152227
20162332
20172737
20183139
20192628
20203131
20212436
20222333
20232831
20242933
20252532
20262019

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

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Granted patents