E06B 9/80

Safety measures against dropping or unauthorised opening

Official title: Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling (securing devices or arrangements for direct manual operation E06B9/78)

E06B9/80 (Safety measures against dropping or unauthorised opening) appears on 755 US grants and 693 published applications in this corpus.

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Granted patents
755
Published applications
693
Assignees
337
Inventors
1,068
Latest grant
22 Sep 2026

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E06B 9/80: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197720
197840
197930
198030
198150
198270
198370
1984110
1985110
198640
1987130
198830
1989100
199060
199160
1992110
199380
1994100
1995120
1996160
1997100
1998190
1999170
2000260
2001182
20021317
20031718
20041317
20051521
20061927
20071118
20081020
2009717
2010924
20111115
20121016
20131521
20142332
20151536
20163030
20172748
20181532
20193758
20203438
20213235
20222938
20233336
20242539
20254517
20261621

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