Abstract: 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 circles that are in turn supported by the radial girders spaced around the flats and spanning between the inner and outer-shells. In each section, longitudinal girders spaced radially around the inside of the outer-shell terminate at the flats and attach to the flats and do not penetrate the flats. The longitudinal girders are attached to flats aligned with the locations of the radial girders that extend across the flats to the inner and outer shells. A panel stiffening arrangement on the inner circumference of the outer shell is attached to the outer shell and the longitudinal girders. Longitudinal girders spaced around the outer circumference of the inner shell extend along the length of the inner shell and are attached to the radial girders.

Abstract: 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 shell terminate adjacent the flats and do not penetrate the flats. The longitudinal stiffeners are supported by full rings that are concentric with the center of the hull. The rings are received over the longitudinal stiffeners, extend radially inward and are laterally supported with members configured to act in tension in either axial direction and which are parallel to the longitudinal axis of the hull. Rings on the inner shell extend radially outward toward the outer shell and may be laterally supported similarly to the lateral supports of the outer shell. The flats are stiffened with angles or bulb tees curved to form concentric circles that are in turn supported with radial girders spaced around the flats and spanning between the inner and outer shells.

Abstract: 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 in operation, and an adjustable ballast device. The ballast device is disposed within the hull for maintaining the sail above water and for regulating trim, attitude and bottom clearance of the hull under different loads and operating conditions. In another embodiment, the vertical watercraft includes a normally above-waves inflatable sail, a mast connected to the sail, a folding raft connected to the mast, and a normally vertically-disposed, elongate, folding hull being connected to the raft and normally substantially submarine in operation. A differential air pressure may be applied through apertures in the sail for curving the sail, and a differential air pressure may be applied through apertures in the hull for curving the hull.

Abstract: 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, pipe-like hull. The elongate, normally vertical hull is provided with ballast means by which the height of a pilot house on the top of the pipe-like hull may thereby be lifted or lowered. Also, the ballast means permit changes in attitude of the hull relative to the gravity vector. The vertical watercraft may be provided with numerous energy recovery means and, as well, may be used as a mining and cargo vessel.

Abstract: 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 and extending along the longitudinal axis of the outer cylindrical shell; elements, secured around the central pipe, for rotating the outer cylindrical shell about the central pipe whereby the safety vehicle moves forward and backward over land, water, and other terrain; and a motor, mounted on at least one of the two opposite ends of the central pipe, for driving the safety vehicle sideways on water.