B63B 23/40

Use of lowering or hoisting gear

B63B23/40 (Use of lowering or hoisting gear) appears on 84 US grants and 63 published applications in this corpus.

Search patents in B63B
Granted patents
84
Published applications
63
Assignees
57
Inventors
138
Latest grant
6 Jan 2026

Filings by year

B63B 23/40: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198110
198210
198300
198420
198500
198640
198710
198820
198910
199020
199100
199220
199310
199410
199500
199600
199700
199830
199920
200030
200101
200211
200311
200400
200532
200612
200711
200812
200921
201012
201102
201232
201323
201427
201555
201644
201742
201856
201933
202063
202133
202224
202333
202422
202511
202610

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

Subgroups

Granted patents