Matches 1 - 50 out of 93 1 2 >
Match Document Document Title
7383781 Drive units, drive systems and boat lift systems including the same  
A boat lift system for raising and lowering a boat from and into a body of water includes a cradle, a cable and a drive system. The cradle is configured to hold the boat. The cable is connected to...
7367747 Adjustable and extending transport cradle for watercraft  
A cradle assembly for moving and positioning a watercraft with respect to a support module. The cradle assembly comprises a plurality of horizontally varying cradle beams, a cradle wall extending...
7347157 Static soft rail launch and recovery system  
The static soft rail launch and recovery system provides an anchor or piling located in a body of water away from the shoreline. The anchor remains at a fixed point under water, while being...
7153059 Boat ramp improvements  
The new boat ramp has a ladder-style frame having C-shaped elongated lateral side rails held in spaced apart parallel condition by C-shaped cross support beams. One end of the frame is a water end...
6964540 Variably adjustable watercraft ramp  
The watercraft ramp comprises a frame and a plurality of hull-support assemblies mounted thereon. The frame has a pair of elongated channel rails held in laterally spaced condition. Each rail has a...
6786168 Portable boat beaching device  
A portable boat beaching device that works with a tire to dock or beach a boat at a water's edge, shore-line, or a river bank and the like. The beaching device comprises a flexible tire cover and...
6637975 Watercraft ramp  
The watercraft ramp has a watercraft-supporting assembly with a water end and a shore end. It is formed of a laterally spaced pair of U-shaped rails equipped with hull-supporting roller wheels...
6616373 Boat launching device and method  
A boat launching device. The boat launching device is portable and attaches to the front of a vehicle so that the driver has a front view while launching the boat into the water. The boat launching...
6592291 Boat ramp  
The new boat ramp has a ladder-style frame having C-shaped elongated lateral side rails held in spaced apart parallel condition by C-shaped cross support beams. One end of the frame is a water end...
6453837 Watercraft beaching device  
A watercraft beaching device 10 includes one or more collapsible upright supports 11 and 12 which hold a pair cushioned hull engagement surfaces 13 in spaced apart relationship....
6408778 Watercraft retriever lift  
A boat lift construction is disclosed for retrieving watercraft from one location and moving them to another location by use of a fixed longitudinal member operatively connected to a winch which...
6273016 Portable support assembly for watercraft  
An apparatus for supporting a watercraft in relation to a surface flooring of a body of water includes a support member for supporting the watercraft and an engaging member adapted to be connected...
RE37061 Method of distributing loads generated between a ship and a supporting dry dock  
A method of distributing the loads generated between a ship and a supporting dry dock which comprises a platform comprising a number of articulatedly joined sub platforms and connected for...
6182595 Pivoting docking platform for personal watercraft  
A pivoting docking platform for personal watercraft of this invention includes a support tube, or equivalent structure, that is rigidly attached to and extends perpendicularly from a dock or other...
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...
6152065 Apparatus for launching and recovery of boats  
A dock, for launching and recovery of a lifeboat, rescue boat or like small boat on a vessel, a floating platform or a fixed installation. The boat (14) is normally stored on the dock. The dock is...
6092961 Beach ramp system for watercrafts  
A beach ramp system for watercrafts comprising at least one set of rails, each set including two rails. Each rail has a cross-section with aligned holes and an axle. Each rail also includes an...
5947048 Personal watercraft landing aid and method of use  
A portable device for submerging near the shoreline of a waterway, for supporting and mooring a watercraft therein, comprising a base with lower footings adapted to prevent slippage along the bank...
5709501 Boat hoist cover assembly  
A boat hoist and cover assembly apparatus and method uses a boat hoist having a rotatable lift shaft having a plurality of ropes or cables coiled therearound in one direction of rotation and...
5655850 Floating dock and boat lift  
A floating boat lift having 2 side support frames and a front frame with a central region for docking a boat therein with flotation devices attached to the side support frames, flotation devices...
5590997 Boat trailer device  
The present invention relates to a device at a trailer, especially a boat trailer, which includes a chassis supported by wheels and a coupling device in the front for connecting the trailer to a...
5590978 Elevator construction for the launching and recovery of personal watercraft  
The elevator construction of the invention includes adjustable length elongated posts and tubes to allow for the simple launching and recovery of personal watercraft by lowering and raising a...
5577455 Watercraft protection mat  
A watercraft protection mat that is to be placed at the shoreline prior to beaching of a watercraft. The watercraft, when being beached, is to have its hull to be maneuvered onto the mat. The mat...
5560735 Support for dock-mounted boat lifts  
A watercraft lift is disclosed herein having an optional support (10) for anchoring the lift to the floor of a body of water. The support (10) comprises a leg (12) having a first end (14)...
5540520 Portable folding boat skidway  
A portable skidway utilizes tubular skidding cylinders joined by connecting rods that encircle the ends of the cylinders and are contained within flanges. The rods align tangentially with the outer...
5501166 Personal water craft mooring apparatus  
The improved persons water craft mooring apparatus comprises a base upon which a cradle is pivotably mounted. To assure that the cradle may at all times be capable of a horizontal position, the...
5499596 Marine vessel launch apparatus utilizing explosive triggers  
A marine vessel launch apparatus utilizing cradle wedges that are released by explosive triggers. The cradle wedges are located above each skidway and directly support the vessel. The cradle wedge...
5477802 Portable boat ramp  
The present invention relates to a novel portable lightweight boat ramp. The boat ramp is made up of two metal frame halves which open from the inside out, to form a V-shape angle matching the...
5454341 Protective hull liner  
A new and improved protective hull liner comprised of a mat having a generally rectangular configuration. The mat has an upper surface and a lower surface. The upper surface comprises a foam rubber...
5425322 Portable folding personal water craft mooring standoff apparatus  
The portable folding personal water craft mooring standoff comprises an apparatus which will provide a platform upon which a personal water craft may be moored above a water line when it is not in...
5398631 Watercraft hull protector  
A watercraft hull protector for preventing damage to the lower bow surface of a waterborne craft such as a boat or jet ski, comprising a thin, elongated, flexible, but waterproof sheet-like member...
5378082 Ship lifting installation  
A ship lifting installation (1) comprises a platform (3) for docking ships (2), which platform (3) can be lifted and lowered by means of lifting mechanisms (13). Mass-production lifting mechanisms...
5316409 Portable boat skidway  
A portable boat skidway is provided by combining lengths of steel rods interconnected by flexible joints in a ladder-like array with skidding tubes of high density polymeric material which serve as...
5295762 Marine lock systems and methods  
A method of operation of marine locks includes the steps of supporting a first column of water within a lock chamber upon a vertically movable first floor, supporting a second column of water...
5267811 Portable dock for watercraft  
A portable dock consisting of a raised V-Shaped structure, with an essentially rectangularly shaped horizontal base with attached spaced apart angled platforms situated above the base, said dock...
5230587 Method and apparatus for depositing a layer of aggregate material  
A method and apparatus for depositing a layer of aggregate material over a large area of land, for example, in preparing a new land fill waste-disposal site. An elongated, endless-belt conveyor is...
5226746 Boat lift apparatus  
A boat lift is arranged to include spaced rectilinear frameworks having leg members splayed exteriorly of a first framework extending to the second framework. The legs may optionally include...
5215405 Apparatus for launching and retrieving a boat  
A track system for launching and retrieving a boat carried on a trailer having two laterally spaced back wheels and having a front wheel which is centered laterally with respect to the back wheels....
5213443 Flexible windsurfing ramp  
A windsurfing ramp which is flexible so as to provide a spring action and optimize the translation of windsurfing craft velocity into launch trajectory. The windsurfing ramp is compact by design,...
5184913 Watercraft launching and lift assembly and kit therefor  
A launching and lift assembly for small watercraft such as a jet ski comprises a skid cradle for seating the watercraft thereon for sliding movement off an end thereof. The skid cradle is mounted...
5090841 Boat lift  
A boat lift in which a hydraulic pump and cylinder with a piston is mounted on a manual boat lift so that the piston rod carries a pulley which engages the lifting cable so that when the piston...
5078541 Method for launching and retrieving a boat  
Method for launching and retrieving a boat by attaching a hook on a constant tension line connected to a reel. The reel includes a length of retractable line which is reeled out to a predetermined...
5067428 Portable boat dock  
A portable boat dock consisting of a modified "H" shaped platform adapted to reside substantially underwater, the platform having attached to it two upwardly protruding arms with cradle members...
5037237 Boat hull protector and method of handling a boat  
A pair of opposed protectors for protecting the hull of a boat from abrasion or other contact damage by a sling used in lifting the boat during launching, haul out or the like, each protector being...
4972791 Boat protection device  
The present invention relates to an improved boat protection device. The boat protection device includes a pair of plates that are pivotally attached together. The boat protection device plates may...
4803942 Boat, keel and hull protector  
A landing apparatus is disclosed for use during the landing or beaching of a boat, a vessel, or the like to protect the keel and hull bottom from injury and abrasion. The apparatus (12) employs an...
4786210 Arctic production/terminal facility  
An offshore facility for use in an arctic body of water to produce, store, and offload hydrocarbons. The facility comprises a main structure which includes storage tanks, production equipment,...
4714375 Seaplane and dock lift  
A watercraft lift supported on one or a pair of stanchions that include a sleeve assembly mounted for slidable movement on the stanchions. A platform is mounted on forks carried by a cross arm...
4696250 Portable boat ramp for small watercraft  
A portable boat ramp having a frame supporting a cradle having protective support pads thereon. The frame also includes ground stakes for securing the ramp in a temporary position on the waterbed....
4678366 Boat lift  
A boat lift includes a vertical H-beam driven into the floor of a body of water adjacent a pier. A shaft housing surrounds the H-beam and slides up and down it on rollers mounted within the...
Matches 1 - 50 out of 93 1 2 >