B63B 1/28

With movable hydrofoils

Official title: with movable hydrofoils

B63B1/28 (With movable hydrofoils) appears on 253 US grants and 237 published applications in this corpus.

Search patents in B63B
Granted patents
253
Published applications
237
Assignees
130
Inventors
447
Latest grant
29 Sep 2026

Filings by year

B63B 1/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
197660
197760
197820
197940
198030
198100
198240
198310
198400
198530
198640
198710
198800
198910
199050
199120
199220
199310
199440
199560
199610
199740
199820
199910
200030
200120
200241
200333
200464
200545
200653
200733
200823
200923
201050
201132
201214
201304
201453
201535
201619
201777
2018612
2019106
20201518
20211418
20221229
20231828
20241623
20251922
20262122

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents