An improved jack up vessel includes a hull, a plurality of legs, each leg having a pad, and a jacking mechanism for moving the hull upward and downward. Each leg is a generally triangular leg that is a closed wall, buoyant structure.

 
Web www.patentalert.com

< Bottom fed screened water diversion apparatus

> Integral retaining foot for rammed post or pole

> Use of amino acid and carbohydrate polymers in soil retention, water conservation, and water clarification

~ 00546