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Marinette Marine Corporation

Bernard F Bentgen

David Ellsworth Cassidy

Craig W Rigby

Daniel L Gulling

William J Fallon

A module transporter for transporting large loads, such as loads of 100 tons or even more, including two frame members joined at a base. The frame members are vertically adjustable and supported by movable carriages. The base is rotatably connected to the motivator, and the height of the base is also vertically adjustable. The transporter is preferably powered by a motivator with relatively low horsepower that requires little or no turning radius.

Module transporter

A self-powered icebreaker attachment for connection to a parent vessel. In the preferred embodiment, the icebreaker attachment includes a spoon-shaped bow, an ice knife positioned aft of the bow, and a propulsion system including fully rotatable Z-drives. Preferably, the icebreaker attachment is itself a flotable vessel whose propulsion system can be coordinated with the propulsion system of the parent vessel to minimize ice-breaking-related forces on the parent vessel. The propulsion systems of the two vessels can be controlled by either the crew of the parent vessel or of the icebreaker attachment vessel.

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Marinette, WI, United States of America

Bernard F Bentgen