In-water dry dock system

Ships – Mother ship – floating landing platform – and harbor – Floating boat dock


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114 52, B63B 3544




The present invention provides a simple system for in-water dry docking pleasure boats using existing boat slips. The system includes a dry-dock basin having a pair of ballast tanks mounted below the bottom surface of the basin. The basin is submerged using guide pipes below the boat slip where the boat is typically stored.

patent: 2768599 (1956-10-01), Harris
patent: 3133518 (1961-09-01), Burnett
patent: 3976022 (1976-08-01), Lapeyre
patent: 4510877 (1985-04-01), Bloxham
patent: 4615289 (1986-10-01), Bloxham
patent: 5138963 (1992-08-01), Eichert
patent: 5140922 (1992-08-01), Bowman et al.


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