Floating craft

Details Floating craft Floating craft

1976-11-01

1978-07-18

Kelmachter, Barry L.

Ships

Ballasting

Water tanks

49280, B63B 4306

Patent

active

041008731

ABSTRACT:
A floating vessel having a crane for lifting heavy weights comprises tanks having relatively large openings below the water-line which openings can be closed in a substantially water-tight manner to vary the shape of at least that part of the vessel which is below the water-line.

REFERENCES:
patent: 860492 (1907-07-01), Mehrtens
patent: 1488067 (1924-03-01), Schneider
patent: 3038432 (1962-06-01), Goldman
patent: 3213632 (1965-10-01), Valk et al.
patent: 3318276 (1967-05-01), Nemec
patent: 3366087 (1968-01-01), Hilliard
patent: 3635182 (1972-01-01), Paffett
patent: 3797440 (1974-03-01), Pangalila

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