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7537499 Reduced-size vehicle with compartments providing buoyancy  
Various embodiments of reduced-size vehicles such as all-terrain vehicles (ATVs) and utility vehicles (UVs) are disclosed herein. In at least some embodiments, the vehicles include frames that are...
7524387 Method of reinforcing an existing metal structure, method of reinforcing pipes and method of addition or spur lines to pipelines  
A method of reinforcing a metal panel or pipe of an existing structure comprising the steps of attaching a reinforcing metal layer to said metal panel or pipe in spaced apart relation to thereby...
7513210 Modular sponson with replaceable sections  
A modular sponson for a small boat has discrete sections disposed in a series from the bow and along both sides to the stern. Each section has an axially extending length of tubing defining a...
7509920 Inflatable fender system and method  
An inflatable fender system for protecting a watercraft from damaging contact with a permanent object, such as a dock, wharf, piling and rafted watercraft. Two elongated flexible substantially...
7424860 Rollover boat  
A boat compensates for roll over conditions by maintaining a user in an upright position at all times. The boat contains an external frame, an internal frame disposed for moving within the external...
7337744 Boat safety float  
An aquatic vessel safety device, comprised of a set of automatically inflatable water-tight inflatable flotation bladders, attached to the hull of any aquatic vessel or boat capable of being...
7069873 Watercraft with inflatable stabilization ring  
Watercraft with a solid hull and a solid outer side, where a recess extending essentially in a horizontal plane is formed in the outer side of said watercraft above the water line, in which recess...
7040938 Armored foldaway inflatable floating device  
Disclosed is an AFIFD mounted on the front surface and both side surfaces of an amphibious vehicle to provide additional buoyancy. The AFIFD allows safe swimming of the amphibious vehicle, provides...
6928949 Canoe stabilizer having vertically adjustable buoyancy  
A stabilizer is releasably attached to a canoe-like boat and includes two floats that are located outside the periphery of the boat. The floats are attached to bars, and lock mechanisms attach the...
6881108 System for preventing an automobile from being immersed in water  
The present invention relates to a system to float an automobile on water. The system comprises holder assemblies, a detecting sensor, a pneumatic system, envelopes, a propulsive system, and a...
6845726 Inflating watercraft flotation device  
A flotation device for floating a watercraft is provided. The flotation device comprises a cover releasably secured to the watercraft. A first collapsible tubing is positioned between the cover and...
6758158 Unsinkable vessel system  
A system for making closed vessels unsinkable. The separate parts of the system are at least one air compressor, a compression chamber, a compressor/propeller clutch, at least one airbag, heating...
6739280 Boat with swing seating  
The focus of the new inventions here is on safety from injury and the lessening of the current loss of life in the use and pleasure desired by the American Public from the small, motor powered,...
6612256 Combination boat and distressed boat flotation apparatus and related methods  
A combination boat and distressed boat flotation apparatus, a distressed boat flotation apparatus, and methods of installing and using a boat flotation apparatus are provided. The combination...
6598550 Emergency buoyancy system for a vessel  
An emergency buoyancy system mounted to a vessel includes a depth sensor to sense a predetermined maximum depth, and an actuator actuated by the depth sensor. The actuator, upon actuation, opens a...
6595812 Amphibious vehicle  
An amphibious vehicle for traversing a body of water or solid terrain such as a layer of ice floating atop the body of water. The vehicle includes a floatable boat hull having an elongate aperture...
6550415 System to keep any type of vessel afloat in case of a leak  
A system to keep any type of vessel afloat in case of entry of water or capsizing by means of providing an unfolding mechanism of inflatable flotation and stabilization elements through the outside...
6484656 Automatic inflating boat flotation device  
A flotation device for maintaining a watercraft in a floating condition is provided. The flotation device comprises an elongated housing mounted to the watercraft. A carrier is slidably received...
6460477 Sponson and rigid inflatable boat incorporating the same  
An improved sponson and rigid inflatable boats incorporating the same. The sponson includes a non-inflatable buoyant component, such as closed-cell polyethylene, and an inflatable buoyant...
6435125 Float switch activation assembly  
A switch system for automatically activating a mechanism such as a gas or fluid supply, an electrical switch, or chemical process is provided. The switch system comprises a float housing and a...
6431108 System for keeping afloat any type of boat in case of a leak  
A system to keep any type of vessel afloat in case of entry of water, by means of providing inflatable flotation elements through the outside of the hull of the vessel, including a variety of...
6408782 Damaged boat floatation system  
A damaged boat floatation system for providing floatation to damaged boats. The damaged boat floatation system includes a floatation assembly including air inflatable tubular members being attached...
6394867 Emergency self-inflating flotation device  
A vehicle seat comprising a seating substrate, an outer seat covering, and a housing containing an integrated self-inflating floatation device. The self-inflating flotation device includes one or...
6394019 Anti-capsize watercraft  
An anti-capsizing watercraft for propulsion over rough water includes three flotation members radially and circumferentially spaced connected with a hub member and an occupant platform rotatably...
6343562 Canoe and kayak mid-point sponsons safety  
Canoe and kayak mid-point sponsons attach to the canoe or kayak only at the mid-point of the sponsons, to enable the sponsons to rotate around the midpoint in order to reduce drag in waves and...
6327988 Ship with a protection system making it unsinkable  
A watercraft, e.g. a passenger vessel, a ferry, a hazardous-substance freighter or the like, with a deck and with a buoyancy chamber in the deck, it being the case that, in a first operating state,...
5947788 Radio controlled surfboard with robot  
A radio controlled surfing toy is provided comprising a multi-jointed, moveable figurine pivotally attached to a jet-propelled surfboard. The surfing toy surfs similar to a real life surfing...
5921831 Auxiliary device for inflatable life rafts  
An auxiliary device for an inflatable life raft, wherein the life raft has a flotation body, including at least one support tube and a bottom and further having a roof structure, including an...
5676086 Rear storage assembly for watercraft  
A small watercraft having a hull with a bow portion and stern portion. A raised pedestal is provided on the hull and supports an elevated seating assembly that includes a seat for accommodating at...
5546886 Craft with rigid tubulars, having watertight, non-communicating compartments  
A water craft includes a rigid tubular hull structure corresponding to the structure of inflatable tubulars of known rubber dinghies. Preferably, the hull is made of polyester reinforced with glass...
5429062 Rapid bailing device  
A bailing device is used with a watercraft having a hull adapted to sit in a body of water and having a deck normally above a waterline defined by the body of water and formed centrally with a...
5279248 Kayak righting method and apparatus  
The present invention provides a method and an apparatus for reducing the skill required of a paddler to right a capsized kayak without exiting it, and to thus avoid the dangers associated with...
5215031 Protect a boat  
A protection device for a boat having a rigid hull with a waterline, gunwale and a cockpit is provided. The device consists of a first inflatable bumper mounted to the rigid hull about the gunwale,...
5203727 Control apparatus for an outboard marine engine with improved cruising performance  
A control apparatus for an outboard marine engine is able to improve cruising performance of a boat particularly during acceleration or travelling on a curved course. An attitude angle sensor...
5144904 Stabilizing apparatus  
Stabilizing apparatus for stabilizing boats comprising a weighted concave body which is suspended from the boat and which is formed as a grid defining openings through the body and a flexible flap...
5120159 Oil containment system for emergency use  
A system for containing oil or other contaminants which have leaked from an oil tanker or similar structure is disclosed. A protective housing surrounds the structure. A plurality of covers are...
5111765 Hull construction for small watercraft  
A small jet propelled watercraft having a partially open rider's area covered at least in part by a roof. The construction and orientation of the roof is such to insure that the watercraft cannot...
5095843 Storage and buoyancy device for small watercraft  
Several embodiments of hull configurations for small watercraft wherein the gunnels at the side of the watercraft are raised and provided with sealed storage areas that increase the buoyancy of the...
4864961 Auxiliary flotation system  
Auxiliary flotation apparatus to provide supplemental flotation for a vessel which may be in danger of sinking. The apparatus is a self-contained cannister capable of being connected to a source of...
4843992 Air tube protected by belts  
The cylindrical shape tube consists of a pressure valve and a safety valve. Whether the tube's contents be made of metal, expandable or non-stretchable materials, it has the ability to retain low...
4838196 Kayak safety sponsons  
Kayak safety sponsons having two parallel inflatable tubes along the waterline on each side of the kayak adjacent the cockpit. These tubes join together below the waterline by means of material...
4817555 Boat flotation collar  
A boat flotation collar is set forth wherein a generally "U" shaped upwardly oriented bumper guard is positioned longitudinally of a boat and attachable thereto. Within the upstanding "U" shaped...
4802435 Safety boat assembly  
A safety boat assembly which includes air bags, a breathing device, a tubular pole containing a dense material, safety belts, a gravity on/off light switch, and a view finding window disposed...
4745860 Small scale semi-submersible boat for naval combat  
This invention relates to a small scale semi-submersible boat for naval combat comprising a hull of which a first, water-tight part is insubmersible and a second part is submersible. In the...
4667618 Removable connection of a rigid deck and rigid keel to the covers of an inflatable boat  
A device for releasably connecting a rigid deck and a rigid hull to the covers of the bladders of an inflatable boat comprises an assemblage of two rigid plates joined together along their edges to...
4635582 Apparatus for preventing a capsized boat from sinking  
This disclosure relates to a boat including a hull which forms a closed engine compartment. The compartment is air-tight at and above the water line or draft level which is formed when the boat is...
4625674 Gunnel flotation pipe and method of installation  
An aluminum boat is provided including laterally outwardly bowed gunnels and each of the gunnels has an outer side tubular aluminum flotation member extending therealong, bowed to conform to and...
4541356 Multihull vessel with capsize prevention means  
A capsize prevention device for a multihull vessel which may be mounted to an existing vessel or be integrally manufactured therewith. The device includes first and second tubes disposed...
4495880 Draft assisted delivery system  
A device, a method, and a system for reducing the draft of large vessels to allow the successful navigation of shallow waterways which could not otherwise be traversed due to the depth of the draft...
4458618 Safety device for rendering a boat unsinkable  
The device renders unsinkable a boat such as a habitable boat having a cabin and a cockpit. The device comprises three inflatable envelopes two of which are placed on starboard side and port side...
Matches 1 - 50 out of 56 1 2 >