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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...
7523713 Use of floatation material to support a vehicle in water  
This invention gives the directions for the design and building of a vehicle which will be supported in water by the installation of a Floatation Material. The design is so that the vehicle,...
7412939 Emergency buoyancy system  
A system is disclosed for providing emergency buoyancy to a vessel in response to a flooding condition in one or more vessel compartments cause by external explosion, collision or projectile...
7344377 System and device for improving the performance of a water skier in a slalom course  
A method, a system and a device used within such enhances the repeatability and overall performance of a person skiing through a water ski slalom course. The device is a series of markers...
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...
7156033 Inflating aircraft flotation device  
A flotation device for maintaining an aircraft in a floating and stable condition is provided. The flotation device comprises at least one flotation bladder mounted to the aircraft and an inflation...
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...
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...
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...
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...
6526900 Amphibious vehicle having an inflatable pontoon  
An amphibious vehicle having inflatable pontoons disposed in recesses formed in the vehicle body. The inflatable pontoons retract into the recesses when deflated to reduce the overall width of the...
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...
6470818 Automatic inflating watercraft flotation device  
A flotation device is provided comprising a carrier mounted to the watercraft with the carrier having a first cover channel, a second cover channel, a first bladder retaining slot, and a second...
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...
6347970 Deployable recovery system for snowmobile and rider  
An improvement in a snowmobile comprising an inflatable bladder in an initial folded and un-inflated conditioned, operably connected to the frame of the snowmobile by at least one flexible strap...
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,...
6070546 Snowmobile flotation device  
The invention provides a flotation device for a snowmobile including a plurality of preferably self-contained air bag modules having inflatable bladders affixed to the exterior of a snowmobile and...
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...
5421283 Lightweight boat construction  
A lightweight boat construction in which the main body is formed of top and bottom sheets of lightweight floatable plastic material. The sheets are configured externally to provide the desired...
5255624 Sailboat mast floatation device  
An inflatable mechanism for attachment to the top of a sailboat mast to counteract turtling (complete rotation of the boat into an inverted position where the mast is pointed straight down into the...
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,...
5150662 Snowmobile flotation system  
Disclosed is a flotation system designed to be incorporated into an existing snowmobile and including a plurality of floats which may be inflated either selectively or automatically. The device is...
5135325 Emergency boom for use on a tanker  
A water pollution containment device comprises a number of uniform assemblies joined to adjacent uniform assemblies around the periphery of a liquid cargo carrying vessel such as an oil tanker. The...
5113779 Flotation device for a combat vehicle  
Disclosed is a self deployed, self retracting flotation device for a land hicle, the device including covers hinged to the sides of the vehicle. Inflatable air bags are attached to the covers so...
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...
4996936 Emergency floatation device for watercraft  
A buoyant support for a watercraft comprises a rigid, elongated support surface, and an inflatable member folded along its length in a substantially deflated condition to form a relatively compact,...
4887541 Deployable flotation device  
A deployable flotation device including buoyancy members tightly packed in a container mechanism in which the container is either permanently mounted within a watercraft or removably deployed for...
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...
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...
4765269 Rightable catamaran  
A capsized catamaran having hollow pontoons, or pontoon sections, is righted by: (i) employing and operating automatic flooding means for locally flooding the pontoons to effect rotation and...
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...
4263862 Lightweight marine structural concrete system  
The construction of marine vessels comprised of light-weight re-enforced concrete embodying built-in buoyant elements such as closed-cell foam cores, structural steel rods, tendons, and the like,...
4227474 Catamaran equipped with re-righting device  
A catamaran is provided which is equipped to permit facile re-righting thereof after capsizing. The catamaran includes floodable forecastles and buoyancy chambers, and a watertight cabin in the...
4193367 Boat designed to withstand the force of underwater explosions  
A marine vessel whose hull consists of a single skin bottom plating comprising a plurality of large area membrane members supported by structural members about their outer periphery only and being...
4117795 Multi-hull self rescuing system  
A marine craft maintained floating in a capsized condition by flotation components which permit angular displacement substantially about a rotational axis established intermediate the bow and...
3952350 Gravity weight trigger for a life raft  
Apparatus to automatically inflate a life raft secured to the side of a boat hull by releasing a pressurized gas from a cylinder when the boat capsizes. The gas release mechanism for the cylinder...
3916809 Protective device for gas bag of ship safety device  
A protective device for protecting a gas bag of a ship safety device from being damaged when it is brought into contact with any other ship or a quay, the gas bag normally folded and secured to a...
3906880 Oil recovery apparatus for a tanker  
An apparatus for recovering oil from a ruptured oil carrying tank compartment of a tanker consisting of a container manufactured of flexible vinyl sheeting affixed to the top of the tank of a size...
3822662 SAFETY DEVICE FOR SHIP  
A ship safety device comprising normally-folded inflatable gas bags secured to broadsides of a ship, which gas bags are connected to a pressure-gas source through a valve for selective inflation in...
3798690 LIGHT-WEIGHT, INFLATED-STRUCTURE BOAT  
A vehicle, preferably a raft or other boat (e.g., a life raft, outboard-motor boat, cabin-cruiser vessel or flying boat) having a light-weight, very buoyant frame that comprises strongly inflated,...
3797435 EMERGENCY FLOATATION APPARATUS FOR WATERCRAFT  
Emergency floatation equipment for watercraft. The invention contemplates an inflatable, elongated float, which may be secured to the side of a watercraft and of sufficient size, when paired with a...
3662701 MARINE HULL  
A hull having conventional fore and after parts but with an intermediate part secured therebetween and comprising two similar closed structures having rounded bottoms and arranged longitudinally...
3538878 APPARATUS FOR MAKING A SHIP UNSINKABLE  
3497887 LIGHTWEIGHT UNSINKABLE BOAT  
3440989 FLOTATION UNITS AND SYSTEMS EMPLOYING THE SAME  
3340843 Means for sweeping pressure mines  
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