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Class 114/63 - Flat bottom


Subclass of Class 114 - Ships
Definition: Inventions in ship"s forms in which flat bottoms
No. of patents: 28
Last issue date: 10/30/2007


NumberTitleIssue Date
7287480Nautical transport vehicle having enhanced stability
A nautical transport vehicle includes at least one floating member, at least one longitudinal fin pivotally mounted on the floating member, and at least one corresponding plate mounted on the floating member and parallel with the longitudinal fin. Thus, the nautical...
10/30/2007
7210422Fin stabilizer to reduce roll for boats in turns method and apparatus
The invention relates to a fin stabilization system adapted to minimize roll about the longitudinal axis of the boat during sharp cornering at very high speeds. In one form, equipment such as a machine gun is mounted to the bow of the boat and targets are adapted to...
05/01/2007
6772706Personal watercraft with rear handle
A personal watercraft has a handle rigidly attached to a rear portion of a deck pedestal. The handle has an elongate hand hold being disposed at a vertical position below a seat top surface and above a deck re-boarding platform. The hand hold spans between top and b...
08/10/2004
6158369Transonic hydrofield and transonic hull
A transonic hydrofield TH has been established which defines the shape of a displacement transonic hull (TH). The hydrofield is characterized in not having curvatures such as shoulders, midbody, or rear quarter, with a deep draft forward and shallow draft...
12/12/2000
6044789Fabric skinned inflatable dory
A rigid, inflatable dory and method for constructing the same. A pre-hull is constructed by attaching to a front end of a rigid, substantially, flat bottom a forwardly inclined stempost and, to a rear end thereof, a rearwardly inclined sternpost, and by a...
04/04/2000
5694877Ship docking vessel
An improved ship docking vessel is provided that has a substantially flat, elliptical bottom having a large beam-to-length ratio to provide a shallow draft. In addition, the vessel of the present invention is provided with two Z-drives disposed diagonally...
12/09/1997
5676087Watercraft hull
A dynamic mode shallow draft ski-toon boat featuring a multi-hulled bottom with water skis mounted thereto is disclosed and described, the ski-toon boat being capable of planing at lower velocities and utilizing substantially less engine power in comparis...
10/14/1997
5605480Easily maneuverable vessel propelled by eight jets and sails
A vessel having a hull of effective rectangular configuration and utilizing a dual propulsion and steering arrangement, including sails and an eight jet system, thus making the vessel extremely maneuverable....
02/25/1997
5551900Aquatic vegetation cutter
An aquatic vegetation cutter for clearing dense aquatic vegetation from waterways uses a drive coupling and bearing assembly that eliminates the need for drive shafts to drive the cutting blades. The bearing is preferably capable of supporting a 90,000 po...
09/03/1996
5235926Anti-skid device for flat-bottomed boats
A pair of pivotally attached fins depend into the water below the hull of the boat. When turning maneuvers are executed the tendency of the boat to skid sideward is resisted by the downwardly engaged fin panels. The device provides improved steering contr...
08/17/1993
5150661Retractable steering device for cargo barges that increases maneuverability by providing a pivot point or points when altering course
A retractable steering device for liquid/bulk cargo carrying barges includes a rectangular barge hull having a generally flat bottom and an upper deck and generally vertical port and starboard sidewalls. A cargo hold is contained at the central portion of...
09/29/1992
4928613Retractable steering device for cargo barges that increases maneuverability by providing a pivot point or points when altering course
A retractable steering device for liquid/bulk cargo carrying barges includes a rectangular barge hull having a generally flat bottom and an upper deck and generally vertical port and starboard sidewalls. A cargo hold is contained at the central portion of...
05/29/1990
4917035Monohull sailboat with enlarged deck area
A lightweight monohull sailboat of length less than sixteen feet having a clear uninterrupted, full beam, deck area above the waterline of the hull of at least sixteen square feet. The sailboat is molded fiberglass or plywood construction including integr...
04/17/1990
4782779Barge lattice skegs
A skeg unit mounted on a raked barge stern counter is a box lattice structure including an athwartships row of upright generally parallel vanes having their upper ends connected by an athwartships upper horizontal tie plate and their lower ends connected ...
11/08/1988
4753184Hull with convexly down-step plane
A hull with a convexly down-stepped plane located in the aft section and a "V" shaped hull structure in the forward section. The "V" shaped section and the planar section are connected by a smooth, convexly shaped transition section that is convex in refe...
06/28/1988
4569302Barge dagger skegs
A row of dagger skegs projects downward from the aft portion of the raked counter of a nonpowered, nonsteered barge hull at each side of the longitudinal center line of the hull for stabilizing the barge directionally when towed by a towline trailing a to...
02/11/1986
4517911Flotation device
A pontoon flotation device having forward and rearward ends and including at least two parallel pontoons fastened to a substantially rectangular deck panel. The deck panel has upturned side flanges extending the length of each side of the deck panel with ...
05/21/1985
4369725Method and means for increasing the maneuverability of a ship in ice-covered waters
The disclosed method for increasing the maneuverability of a ship in ice-covered waters is comprised of bringing generally vertical ice-crushing surfaces on one side of a ship into contact with an ice covering in order to create an imbalance of forces bet...
01/25/1983
4351255Ice-breaking ship
In an ice-breaking ship, having sufficient power and being generally designed for efficient ice-breaking, the breaking of the ice is made more effective by changing the zone of ice crushing and shearing which occurs at the stem during normal ice-breaking ...
09/28/1982
4337544Sport fishing boat
A sport fishing boat having a generally rectangular overall top view configuration and having a pair of fiber glass hulls, including an inner hull and an outer hull. The inner and outer hulls are spaced from each other at opposite sides of the boat to acc...
07/06/1982
4227272Supportive framework for a boat
A supportive framework is disclosed for a boat having a hull which consists of a flexible plastic skin wherein the bottom frame element of the frame network is tubular and includes a rounded bottom wall which flexes inwardly to absorb stresses upon impact...
10/14/1980
4217844Barge dagger skegs
A row of dagger skegs projects downward from the aft portion of the raked counter of a nonpowered, nonsteered barge hull at each side of the longitudinal center line of the hull for stabilizing the barge directionally when towed by a towline trailing a to...
08/19/1980
4069782Ship structure
The catamaran-type ship for hauling barges includes two parallel spaced hull forms each including its own bow. One or more additional bows, each partially defining a pair of water-receiving passageways respectively on opposite sides thereof, are disposed ...
01/24/1978
4011826Marine vessel with vertical annular walls
A marine vessel for storage or transport of cargo employing a honeycomb sandwich panel system of concrete construction applied to open or closed deck vessels comprising a plurality of vertically extending annular walls formed monolithically with the hull ...
03/15/1977
4002131Boat hull construction
The hull of a generally shallow draft boat comprises a bottom, sides joined to the bottom by chine portions having rounded outer surfaces, and a transom adjoining the stern edges of the bottom and sides. The bottom includes first and second laterally oppo...
01/11/1977
3943586Dory
A square-sterned dory of welded aluminum construction in which the chines diverge for their full length and an engine well is located forward of the transom and is open through the transom as well as through the bottom. Box cross-braces serve as seats and...
03/16/1976
3934531Ocean going cargo transport system
An elongated flat bottom, vertical side cargo unit vessel with a specially configured high-speed bow featuring a forwardly cantilevered horizontal bottom panel of full hull width, predetermined projecting length and vertical thickness controlling bow wave...
01/27/1976
3931780Icebreaker vessel
An icebreaker vessel having a forecastle of a pontoon-shaped configuration and of a greater width than the width of the ship's hull wherein an upper portion of the lower surface of the forecastle is substantially planar and inclined upwardly, and a lower ...
01/13/1976
 
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