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8627778 Elevated dock  
An elevated dock designed to lift boats out of the water when not in use is provided because storing a boat in the water exposes the boat to contaminants in both fresh and salt water. These...
8256366 Small watercraft boatlift  
A boatlift for use with small, manual or paddle or oar powered watercraft (such as canoes and kayaks) is provided with a guide rails on either side of the boat lift, which can be utilized by a...
8221028 Boat lift operated by boat's propulsive force  
A boat lift includes a lift frame rotatably mounted to a boat dock. A lower trolley with a buoyant body slides on the frame. An upper trolley slides on the frame and is engaged by the boat as it...
8155812 Floating dock deflection management systems  
This invention relates to a ready system for providing floating dock deflection management systems increasing operations efficiency and providing accurate, safe control to eliminate man-made...
7966958 Pontoon lift mechanism  
The present invention relates to a pontoon lift mechanism includes: a plurality of PVC tubing aligned in parallel; a portion of the plurality of PVC tubing including air filled PVC tubes; a portion...
7921604 Storm proof aluma-foam housing unit  
An aluminum-foam structural housing unit that is storm-proof, self-contained, and built to withstand natural disaster conditions resulting from hurricanes, tornadoes, earthquakes, and fire, and...
7823523 Portable dry dock system and method for commercial servicing of recreational vessels in inland waterways  
A Portable Dry Dock (PDD) system designed for commercial servicing of recreational vessels (RVs) in inland waterways (IW). This PDD is disassembled and transported from one IW to another. This PDD...
7527014 Self-adjusting watercraft canopy  
A self-adjusting watercraft canopy/cover assembly having a protective cover and a floating watercraft lift. The lift includes a watercraft lifting support and a float attached to the watercraft...
7509916 Floating dock with integrated boat lift  
A marine dock and integrated boat lift include a dock portion having a framework that carries a plurality of float elements. A lift is mounted within the framework between an upper walking surface...
7503274 Floating lift for watercraft  
The mobile floating lift is disclosed and may include a cradle dimensioned and adjustable to conform to, engage, lift and store a watercraft, wherein the cradle has at least a first end and a...
7500439 Method and apparatus  
The present invention concerns a buoyant fluid comprising a liquid and a plurality of rigid containers, the rigid containers each having a sealed void containing a gas. A particular use is to...
7421963 Watercraft dry storage and storage method  
The watercraft dry storage assembly includes two generally cylindrical bladders that are inflated to lift a boat from the water and hold the hull in a raised position. Each bladder is made from a...
7325503 Watercraft lift  
A lift for a watercraft has plastic reinforcing brackets which engage in pockets in the thin-walled plastic floatation tanks of the lift and which provide mounting flanges at the top surfaces of...
7143868 Underdeck pontoon lift system  
An underdeck pontoon lift system for supporting pontoons of various sizes in a stable manner. The underdeck pontoon lift system includes a base structure, a plurality of front lifting jacks and a...
6955135 Self-contained drive-on boat docking apparatus, method and kit for creating such apparatus  
An apparatus for lifting and storing a boat above water and particularly for shallow water, is made up of a pair of laterally spaced floats fixedly secured to inner ends of a pair of beams whose...
6926468 Portable flotation platform for shallow bodies of water  
A portable flotation platform is disclosed for use in supporting a load of equipment, hunting dogs, or personnel above the level of a body of water. The platform includes a deck constructed to be...
6923133 Boatlift buoyancy system  
A boatlift buoyancy system for assisting in maneuvering a boatlift while in the water by adding buoyancy to the boatlift. The boatlift buoyancy system includes a first tube and a second tube...
6857821 Device for lifting a seagoing construction such as a drilling rig, provided with lifting members running mutually parallel  
A device for lifting a seagoing construction such as a drilling rig, which device comprises one or more floater bodies, one or more beam-like lifting members supported movably on a floater body and...
6834604 Transporting a ship over shallows of a watercourse  
A laden ship is transported across a shallow portion of a watercourse by a submergible floating vessel, while the ship is lifted upwardly within the water by means of a vessel platform placed under...
6823809 Floating watercraft lift apparatus and method  
The present invention is generally directed to a floating watercraft lift capable of raising and lowering a watercraft, and more particularly to a floating watercraft lift. In one embodiment, the...
6783304 Weather resistant dock walkway  
A weather resistant dock walkway comprises a dock walkway substructure in combination with a plurality of elongated planks each with a first and second opposite ends. The planks are rotatable...
6752096 Unitary plastic boat lift buoyancy tank  
A plastic rotationally molded polyethylene buoyancy tank for boat lifts allows connection of steel to lengthwise grooves molded into each side of the buoyancy tank. Preferably, a plastic bulkhead...
6682804 Fender protective structure  
A fender protective structure having an inner layer of resilient plastic/elastomer alloy having a delayed elastic response, having voids to reduce weight and allow the inner layer to expand upon...
6547485 Stern-on mooring boat lift  
In a lift for mooring a boat stern-on, a pair of horizontally spaced guide members is fixed to the sea wall. A frame is fixed to a pair of substantially parallel hydro-pneumatic buoyancy tanks to...
6543375 Solar powered boat lift  
A solar powered boat lift includes a support structure adjacent to the boat to be lifted. There is a platform for accommodating the boat thereon and cables are operably connected to the platform...
6422167 Apparatus and method for elevating a watercraft out of a body of water  
A portable floatation assembly 10 which selectively elevates a watercraft 20 above a water line. The portable floatation assembly 10 includes a plurality of generally hollow body portions 12 having...
6257159 Apparatus for raising and lowering boats in water  
Apparatus for raising and lowering boats in water. The apparatus consists essentially of at least one float that is attached to the hull of the boat and is guided along the surface of the hull of...
6155190 Air cushion dry dock transport system  
A transport system includes a dry dock mounted on an air cushion platform portage a ship overland. The system raises the ship from one body of water, hauls it across different surfaces, and...
6076478 Apparatus for raising and lowering boats  
Apparatus for raising and lowering boats in water. The apparatus consists essentially of at least one float that is attached to the hull of the boat and is guided along the surface of the hull of...
6050207 Description and operation of a flood control device for most any object  
A device for protecting objects such as houses, industrial and commercial buildings, storage vessels, boat moorings, and the like from rising water, as in floods, is described. The device comprises...
6047658 Boat protection and storage device  
A boat protection and storage device including a housing dimensioned for receiving a boat therein. The housing is adapted for floating in a body of water. A gate member couples with an open...
6032601 Combination boat lift and dock  
A preferred embodiment of a combination boat lift and dock 10 is described having two spaced pontoons with an intermediate boat support 18. Pivot arm structures 20, 22 pivotally interconnect the...
6006687 Modular floating boat lift  
A floating boat lift capable of accommodating a wide variety of V-hulled boats. The boat lift is comprised of docking members, a bow stop that protects the hull of the boat, a stern segment and at...
5979349 Boat lift method  
A boat lift method and design which enables a boat to be efficiently stored above water at a dock location to prevent algae and dock damage to a boat. The design minimizes listing of the boat lift...
5927222 Drydock pollution control system and process  
A pollution control system to control pollutants in water surrounding a drydock includes a housing extending from each end of the drydock wing walls about the perimeter of the drydock so as to...
5913278 Floating dock  
A method of dry docking vessels comprising: (i) providing a floating dock (1) comprising: a main balast vessel (3); a load supporting raft (2); the load supporting raft (2) and the main ballast...
5860379 Inflatable floating boat lift  
An inflatable floating boat lift device constructed of a flexible impermeable fabric comprising main air chambers and a network of hoses and valves connected to a blower controlling the inflation...
5826528 Floating boat lift with retracting walkway  
A floating boat lift for raising a boat out of and securing same above a body of water. This boat lift consists of two float supported frames which are held parallel and separated by two parallel...
5664513 Floating dry dock  
A floating dry dock for boats. The dry dock has two side pontoons and a front pontoon. Each pontoon has one or more plastic tubs filled with styrofoam batts and attached to the frame for flotation....
5651326 Device for protecting the hull of a water vehicle  
The present invention discloses a device for protecting the hull of a water vehicle. The device has a frame having an opened end and a closed end. The frame has a right yoke and a left yoke which...
5551366 Seaplane docking facility and telescoping hangar  
A floating seaplane docking facility provides for the completed removal from the water of a seaplane, amphibious aircraft, or surface effect vehicle for ease of boarding and departing, maintenance...
5465676 Barnacle shield  
A system for discouraging and inhibiting marine growth onto a boat's underwater hull surface comprising a plurality of sections of foam filled PVC pipe tied together to form a flotation frame, an...
5445093 Unloading facility for flexible water transporting barges  
A flexible barge containing fresh water is unloaded on a dry dock which is gradually raised from a submerged condition as the fresh water is pumped out of the barge. The deck of the dry dock is...
5394814 Front mounted boat lift  
In a front mounted lift for watercraft, the torque exerted by the lift on the dock is limited by a combination of a first buoyant force, being air trapped within the lift tanks, and a second...
RE34793 Lift for water vehicles  
A lift for water vehicles comprising a pair of vertical pipes or tracks attached adjacent their upper ends to one side only of a dock structure which is positioned alongside a body of water, a tank...
5285743 Dry dock  
A dry dock system comprising a first floating dock able to receive at least one vessel and being controllably submersible. The second dry dock able to receive a vessel and dimensionally received in...
5269246 Vessel hull construction and method  
For fabricating a double-hulled tanker, or a major component of one including at least part of longitudinal midbody, a floating drydock is used which has two independently elevatable-depressible...
5215024 Vessel-capturing berthing facility incorporating relative motion-mitigating apparatus  
An open ocean-based berthing facility for capturing a ship or similar vessel in order to mitigate wind, wave and current-induced relative motion between the berthing facility and the vessel...
5140922 Lift for a watercraft  
A lift is placeable in a waterbody for a watercraft having a water intake port and a water drawing device for drawing water through the water intake port. The lift includes a tank. The tank has an...
5138963 Boat enclosure assembly for boat maintenance  
A boat enclosure system for performing boat maintenance work on the water has a U-shaped floating dock forming a three sided enclosure with an opening at one end to enable boats to sail into and...
Matches 1 - 50 out of 129 1 2 3 >