A61C 8/0039

In the form of hollow cylinder with an open bottom

Official title: {in the form of hollow cylinder with an open bottom}

A61C8/0039 (In the form of hollow cylinder with an open bottom) appears on 102 US grants and 106 published applications in this corpus.

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Granted patents
102
Published applications
106
Assignees
65
Inventors
179
Latest grant
7 Jul 2026

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A61C 8/0039: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198100
198210
198310
198450
198520
198600
198720
198870
198920
199030
199110
199220
199300
199430
199520
199610
199710
199810
199930
200010
200120
200222
200310
200413
200512
200600
200715
200806
200902
201015
201115
201234
201323
201476
201517
201628
201757
2018310
201996
202042
202125
202245
202345
202425
202501
202652

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