B63B 22/28

Submerged when not in use

Official title: submerged when not in use {(B63B22/023 takes precedence)}

B63B22/28 (Submerged when not in use) appears on 9 US grants and 12 published applications in this corpus.

Search patents in B63B
Granted patents
9
Published applications
12
Assignees
8
Inventors
37
Latest grant
30 Jun 2026

Filings by year

B63B 22/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
201510
201601
201710
201801
201911
202002
202111
202221
202301
202421
202501
202612

By publication year. 2026 runs to 8 Oct.