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Match Document Document Title
8979426 Boat lift apparatus  
A boat lift apparatus includes a base having a first base beam and a second base beam and a moveable boat support platform having a first lifting beam, a second lifting beam, and at least one...
8950973 Watercraft vehicle lift and method of using  
Embodiments described herein disclose a watercraft vehicle lift. The watercraft vehicle lift may comprise a pivoting hinge configured to rotate around a fixed axis, a lift configured to extend and...
8944413 Solar-powered boat lift  
A solar-powered boat winch suited for installation upon boat lifting structures such as those in a remote location. The solar powered boat winch includes an electric motorized winch, a solar cell,...
8926217 Boat cradle system  
A boat cradle system for securely supporting boats, even in hurricane conditions, comprising one or more decks anchored to the ground or to an underlying structure. Moveably mounted on the deck or...
8911174 Watercraft lift and automatic water craft cover  
A watercraft lift with hydraulically actuated arms which self-installs a fitted three-dimensional boat or other watercraft cover on a powerboat or other watercraft. Control logic allows for cover...
8876429 Locking devices for boat lifts  
Various security members for selectively preventing movement of a boat-supporting cradle of a boat lift system. In one form, each security member is structured to hang from a longitudinal support...
8858149 Remote docking port  
This invention is a floating docking port that allows ships to dock within the port structure and be loaded, unloaded, and refueled, while converting the energy generated from wave motion into a...
8821067 Boat lift step  
A step that may be attached to a boat lift rail. The boat lift rail may be in between the dock and the boat. Therefore, a user may board the boat from the dock using the step. Further, the step...
8821066 Shock mitigating universal launch and recovery system  
A universal launch and recovery system that may be used to launch or recover/receive water vessels. The launch and recovery system including a deployable ramp having a shock mitigating...
8794870 Watercraft lift system  
A clamping assembly for a watercraft lifting system comprises a load transferring member, a load receiving member, and a clamping member. The load receiving member has an outer tapered surface....
8777513 Hydraulic boat hoist  
A hydraulic boat lift uses two hydraulic cylinders to pull/release cables attached to a boat cradle. The hydraulic cylinders are operated by attachment to a tandem pump to cause them to operate in...
8727661 Variable speed boat lift motor controller  
Systems, apparatuses, and methods for controlling a variable speed boat lift motor. The systems, apparatuses, and methods include a user interface for connection to a variable speed boat lift...
8696240 Watercraft lift  
A lightweight, knock-down portable watercraft lift or mooring device for small watercraft includes a modular freestanding frame having a pair of spaced supporting foot members, each foot member...
8678703 Watercraft lift  
A lightweight, knock-down portable watercraft lift or mooring device for small watercraft is disclosed that includes a modular freestanding frame having a pair of spaced supporting foot members,...
8676402 Sentry system with wireless interface for a docked boat  
An electric sentry system provides utilities for the welfare of a docked boat. The sentry system serves as boat and lift control, and security, system that has a wireless interface for two-way...
8596907 Lifting system  
A lifting system for navigable watercraft or marine vessels for temporary stationary positioning of the vessel on a seabed includes supporting legs that may be lowered and raised, and a locking...
8596906 Retractable wheel for boat lift and other structures  
An assembly for attaching to a boat lift 12 includes a boat lift 12 attachment mechanism 70 for attaching to the boat lift 12; an outer support 24; an inner support 26 slidable within an interior...
8430045 On board lift leg construction for pontoon boats with onboard engine  
An onboard lift leg construction for a pontoon boat has a plurality of movable support legs including rear telescoping tube support legs that are fixed to a frame of a pontoon boat. The...
8397659 Boat lift canopy entrance  
A boat lift canopy entrance for easily entering and exiting a boat upon a boat lift with a canopy without having to stoop and trip while getting into out of the boat. The boat lift canopy entrance...
8388265 Watercraft lift system  
A watercraft lifting system includes a bunk rail assembly, an intermediate frame assembly, a base assembly and a ground support assembly. The bunk rail assembly includes a bunk rail coupled to a...
8267620 Rotatable boat lift with sliding pads  
A boat lift with a rotatable head attached to a bracket securable with respect to environmental structure such as a pier which to be capable of lifting a watercraft from the water and while...
8267621 Floating boatlift  
A floating boatlift assembly includes a cradle assembly suspended between cable handling units arranged on respective spaced parallel float assemblies. An elongated boat is positioned between the...
8251609 Method of operating a shiplift  
A platform includes main transverse beams (“MTBs”), each supported by at least one hoist. It is determined whether a load on any MTB is different from the load on any other MTB by more than a...
8251608 Method of operating a shiplift  
A platform includes main transverse beams (“MTBs”), each supported by at least one hoist. It is determined whether a load on any MTB is different from the load on any other MTB by more than 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...
8215889 System and method for high current recovery cursor  
A high current cursor comprises a outer frame in which a center carriage travels. The center carriage travels between the top and bottom of the outer frame. Movement of the center carriage is...
8215868 Hydraulic powered boat portage apparatus  
A boat lift apparatus is disclosed. The boat lift apparatus includes a base structure having a first frame section erected over a barrier juxtaposed to a first body of water, the base structure...
8186908 Method of operating a shiplift  
A platform includes main transverse beams (“MTBs”), each supported by at least one hoist. It is determined whether a load on any MTB is different from the load on any other MTB by more than a...
8137028 Small boat dock racking system  
A small vessel dock racking system provides a three-sided cradle that is rotatably connected to two lateral supports extending outward from one side of the dock. A person in the water can float...
8123433 Inflatable lift system  
An inflatable lift system for to lift and maneuver a boat lift upon a body of water. The inflatable lift system includes a floatation assembly including a plurality of air inflatable floatation...
8096729 Wheel adjustment apparatus  
An adjustable lift, such as a boat lift, or an adjustable apparatus mountable to a boat lift, comprising a frame supporting a keyway, a shaft and a screw along which a hub assembly travels. An...
8079779 Device for pulling out a ship  
An apparatus for hoisting a ship. A transfer truck located on the shore moves to the interior of a raising/lowering lift by means of a set of movable rails so as to be able to unload the ship...
8082100 Watercraft automation and aquatic effort data utilization  
In one aspect of watercraft automation and aquatic data utilization for aquatic efforts, an anchor point is obtained and a watercraft position maintenance routine is actuated to control the...
8061932 Hydraulic boat lift  
A hydraulic boat lift assembly will raise and lower a boat cradle remotely, and will securely lock the cradle in an uppermost storage position. The lift as provided with a manual mechanism for...
7997827 Watercraft support and tote device  
A watercraft support and tote device having a frame sub-assembly having a first frame member and a second frame member and at least one support member; a power output member; a hydraulic...
7908988 Method and apparatus for salvaging underwater objects  
A method and apparatus for removing debris from an ocean floor or seabed employs a subsea debris basket. The basket eliminates the absolute necessity of a cargo barge or any other supporting...
7887261 Method for the transport of a civil engineering structure in an aquatic medium  
The invention provides a method for the transport of a civil engineering structure in an aquatic medium. According to this method: at least one float is associated with the civil engineering...
7856936 Lift lock security system  
An anti-theft security system for boats on boat lifts, which also provides for stability to eliminate boat swaying on the lift during wind storms. The system includes two opposing secondary side...
7815394 Device for a watercraft for picking up and launching boats  
The invention relates to a device for a watercraft for picking up and launching boats. The device comprises an extension arm that is coupled in such a manner that it can swing freely on the...
7765945 Watercraft lift stabilizing system and accessories therefor  
This document is directed toward a stabilizing system that is engageable with a watercraft lift assembly. The system includes a piling bracket, at least one piling bracket keyhole in the piling...
7766577 Method of operating a shiplift  
A platform includes main transverse beams (“MTBs”), each supported by at least one hoist. It is determined whether a load on any MTB is different from the load on any other MTB by more than a...
7707955 Transom platform lifting apparatus and method  
A lifting apparatus includes a lift arm for carrying a platform or cradle and is pivotally attached to a base for movement between lowered and raised positions. A crank arm is pivotal with the...
7628564 Boat launching, retrieval, and transport method  
A method of retrieving a boat from the water by supporting the boat by two lift sections, each of which has an inflatable bunker and a cradle structure that supports and positions the bunker. The...
7547159 Cradle boat lift storm protection system  
An add-on structure for cradle boat lifts incorporating a piling brace that, when hurricane winds threaten, provides for the interconnection of the pilings to the cradle of a cradle boat lift. One...
7534069 Programmable boatlift system with boat position sensor  
A programmable boatlift system having a cable extending up from one end of a boatlift cradle, across to a shaft attached to a motor, and down to an opposite end of the boatlift cradle. The cable...
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...
7444952 Boat hull rinsing device  
Fresh water rinsing of a boat hull of a boat occurs to remove contamination from the boat hull during each raising operation of the boat utilizing a boat lift. The contamination coming primarily...
7419329 Semi-submersible dry-docking lift apparatus  
A portable marine lift capable of multi-directional off-loading of yachts, ships, and other marine vessels at ground level to dry-dock them. It is compact and barge-like, and can be shared by...
7377720 Boat lift  
A boat lift supported completely from land adjacent to water in which a boat is to be operated for movement between storage and launching positions by the use of parallelogram linkage powered by...
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...

Matches 1 - 50 out of 271 1 2 3 4 5 6 >