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| Number | Title | Issue Date |
| 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 of the plurality of PVC tubing including water filled PVC tubes; and... | 06/28/2011 |
| 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 was designed specifically to improve the efficiency in the most typic... | 11/02/2010 |
| 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 of the dock and the underlying body of water. ... | 03/31/2009 |
| 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 second end opposite the first end, at least two floatation assemblies, eac... | 03/17/2009 |
| 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 transport heavy objects subsea. The gas in the rigid containers provides b... | 03/10/2009 |
| 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 scrim encased in a flexible plastic. The scrim is substantially non-st... | 09/09/2008 |
| 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 the floatation tanks for abutment with mounting pads which connect to t... | 02/05/2008 |
| 7273019 | Seasonal, multi-use, multi-level structure transportable both by ground and water for use in a body of water A multi-use, multi-level structure can be installed in and removed from a body of water in a seasonal fashion. The structure has a lower level that includes a boat lift and an upper level that provides an entertainment area. The structure carries a ballast system fo... | 09/25/2007 |
| 7267071 | Apparatuses and methods useful for centering watercraft Apparatuses and methods useful for helping to center watercraft—such as personal watercraft, ski boats, fishing boats, luxury boats, and the like—as they are docked (such as on trailers or watercraft-lifting systems), especially in rough waters and/or strong cro... | 09/11/2007 |
| 7216602 | Seasonal, multi-use, multi-level structure transportable both by ground and water for use in a body of water A multi-use, multi-level structure can be installed in and removed from a body of water in a seasonal fashion. The structure has a lower level that includes a boat lift and an upper level that provides an entertainment area. The structure carries a buoyancy system f... | 05/15/2007 |
| 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 rear lifting jack pivotally attached to the base structure, a support ... | 12/05/2006 |
| 7124680 | Solar powered compaction apparatus A trash compactor designed for public use is powered by a photovoltaic cell array. This allows the trash compactor to be placed in locations where no power is available, but with frequent human traffic. The compaction feature allows the unit to be emptied less often... | 10/24/2006 |
| 7096809 | Watercraft dry storage and storage method The watercraft dry storage assembly includes a cylindrical port bladder and a cylindrical starboard bladder. Both bladders are made from sheet material with a substantially non-stretchable polyester or nylon scrim encased in a poly vinyl chloride plastic, a urethane... | 08/29/2006 |
| 7090431 | Marine vessel lifting system with variable level detection A marine vessel, typically a power boat, lifting system includes a remotely operated transmitter module, a receiver module, a level sensing module, a motor control module, and motors are integrated to automatically position a cradle to the desired position relative ... | 08/15/2006 |
| 7069872 | Floating drive-on-watercraft dock A floating drive-on watercraft dock comprises a one-piece molded body defining a watercraft receiving area. The watercraft receiving area includes roller assemblies on the bottom of the watercraft receiving area and glide assemblies on the sides of the watercraft re... | 07/04/2006 |
| 7066683 | Hydraulically operated low profile boat lift utilizing at least two pilings An assembly for lifting a boat locatable adjacent a dock requires only two elongate vertically disposed pilings each having a lower end portion mounted into the floor of a body of water near the dock and an upper end portion extending upwardly adjacent the dock. A l... | 06/27/2006 |
| 7055449 | Apparatuses and methods useful for centering watercraft Apparatuses and methods useful for helping to center watercraft—such as personal watercraft, ski boats, fishing boats, luxury boats, and the like—as they are docked (such as on trailers or watercraft-lifting systems), especially in rough waters and/or strong cro... | 06/06/2006 |
| 7047896 | Multi-hulled vessel A cargo carrying nautical vessel (1) is provided, having a plurality of cargo carrying hulls (2a, 2b) connected by at least two connecting structures (3, 4), each connecting structure including legs (5a, 5 | 05/23/2006 |
| 7033107 | Pre-cast deck, dock steps and dock system A pre-cast article of manufacture, system and method of manufacturing and constructing a deck, dock step(s) and dock is disclosed utilizing 2 main components, beam(s) and slab(s). Optional accessories are also disclosed that may be added such as hand rail(s), boat b... | 04/25/2006 |
| 7021861 | Low profile floating lift for watercraft A floating low profile watercraft lifting apparatus comprises a buoyant support apparatus and a watercraft lift attached to the buoyant support apparatus. Embodiments of the lift have first and second cantilever arms pivotally mounted to a base at offset pivot point... | 04/04/2006 |
| 6996937 | Potential energy storage system The present invention relates to a system for generating electrical power using hydraulic supports on which a building structure is mounted. A pump injects fluid into the supports to raise the building structure and thereby store energy in the elevated structure. A ... | 02/14/2006 |
| 6979149 | Vessel transfer system and associated methods A system for transferring a vessel between a first body of water having a first water level and a second body of water having a second water level includes a barrier separating the first body of water from the second body of water. The system also includes a transfe... | 12/27/2005 |
| 6979171 | Maritime energy generating device A maritime energy generating device including a windmill mounted on a floating foundation, the windmill having a machine compartment mounted at the top of a tower and the foundation being fixed to the bottom of a water body by a connection and including two tanks an... | 12/27/2005 |
| 6964239 | Modular floating boat lift The present invention relates to a boat lift including a base structure a cradle connected with the base structure and configured to support a boat, and a plurality of pontoons connected with the base structure for floating the boat lift on a water surface. The pont... | 11/15/2005 |
| 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 outer ends are pivotally secured to a dock, a set of fixed posts, a bul... | 10/18/2005 |
| 6953003 | Watercraft landing cradle A parallelgram arrangement of linkages interconnect a stern ramp frame with a plurality of parallel rails vertically adjusted to positions above the ramp frame by actuators for reception and maintenance of a watercraft thereon with minimized vibration, further reduc... | 10/11/2005 |
| 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 of an overall density less than that of water and sized so as to suppo... | 08/09/2005 |
| 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 attachable to the horizontal support beams of a boatlift that are capable o... | 08/02/2005 |
| 6923135 | Container for transporting fresh water by sea The invention relates to a container for transporting fresh water by sea, comprising a flexible covering for receiving fresh water and a pulling device which is joined to the flexible covering and made of a tubular retaining body which is used for coupling bridle li... | 08/02/2005 |
| 6901877 | Foam block replacement barge A barge for replacing foam blocks that support floating docks. The barge is provided with a float sinker that removably attaches to the barge via a boom. The float sinker can be moved from side to side via the boom and can be rotated. The float sinker has clamp arms... | 06/07/2005 |
| 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 running parallel or practically parallel to each other, wherein the ... | 02/22/2005 |
| 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 the hull. The vessel is preferably comprised of a multiplicity of ri... | 12/28/2004 |
| 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 watercraft lift includes a pair of longitudinally extending and approx... | 11/30/2004 |
| 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 between a horizontal position and a vertical position, and are arranged si... | 08/31/2004 |
| 6769839 | 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 provide a flotation platform for supporting the hull of the boat. The ... | 08/03/2004 |
| 6752097 | 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 is formed within the tank during its molding process. A segment of fra... | 06/22/2004 |
| 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 is formed within the tank during its molding process. A segment of fra... | 06/22/2004 |
| 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 impact. A relatively hard top layer is also provided.... | 01/27/2004 |
| 6648554 | Portable flotation platform for shallow bodies of water A portable flotation platform is disclosed for use in supporting a load of equipment or hunting dogs above the level of a shallow body of water. The platform includes a deck constructed to be of an overall density less than that of water and sized so as t... | 11/18/2003 |
| 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 provide a flotation platform for supporting the hull of the... | 04/15/2003 |
