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7188574 |
Cylindrical hull structural arrangement
An improved floating circular hull construction arrangement. The hull is divided into sections by watertight flats. The flats are stiffened with angles or bulb tees curved to form concentric...
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7044072 |
Cylindrical hull structure
An improved floating circular hull construction arrangement. The hull is divided into sections by watertight flats. In each section, longitudinal stiffeners spaced around the inside of the outer...
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5337690 |
Vertical sail boat
One embodiment of a vertical watercraft for stable transport in rough seas includes a normally above-waves sail, a normally vertically-disposed elongate hull being normally substantially submarine...
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4656959 |
Vertical ship
There is disclosed herein a vertical ship utilizing the buoyancy principles of a submarine. The vertical watercraft is fluid-dynamically streamlined in the direction of travel and has an elongate,...
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4552538 |
Multidirectional amphibious safety vehicle
A multidirectional amphibious safety vehicle comprises an outer cylindrical shell having two opposite ends and a longitudinal axis therethrough; a stationary central pipe having two opposite ends...
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3598075 |
SAILBOAT AIRFOIL SAIL AND MAST ASSEMBLY
A sailboat mast assembly including a curved mast and a sail draped thereon to extend to both sides of the mast and leewardly thereof. Two booms are pivotally mounted at the base of the mast and are...
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D164270 |
Title is not available
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RE00651 |
Title is not available
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0008219 |
Title is not available
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D162267 |
Title is not available
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D163663 |
Title is not available
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