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| Number | Title | Issue Date |
| 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 |
| 7168380 | Boat lift systems A module for a boat lift that combines features of both pontoon type and modular type constructions. Each module includes upper and lower pontoons, and can be connected in-line to form one side of a lift, and in parallel to form opposed sides of a lift. A typical li... | 01/30/2007 |
| 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 |
| 6848380 | Floatable vessel lift The present invention relates to a floatable vessel lift comprising: at least two pontoon chambers, where each of the at least two pontoon chambers includes a top housing and a base. The pontoon's top housing has an arcuate longitudinal surface and the base side is ... | 02/01/2005 |
| 5131342 | Shallowdraft floating boatlift A boatlift including two floatation chambers operably engaged to a boat hull engaging means by a lifting means connected therebetween. The lifting means is adapted to raise and lower the boat hull engaging means with respect to the floatation chambers, wh... | 07/21/1992 |
| 5002000 | Automatic leveler for boat lifts A boat lift and leveler are provided in which the boat lift consists of a cradle supported by at least two pontoons laterally disposed beneath and fixed to the cradle. A leveler for the lift includes a pair of pneumatic duct systems. One of the systems co... | 03/26/1991 |
| 4876979 | Apparatus for deploying and recovering a seaborne vessel An apparatus for employing and retrieving a seaborne vehicle having a frable surface includes a muzzle and a cylindrically shaped cocoon. The muzzle is clamped to the vehicle and then pulled by a rope into the cocoon. Bladders within the cocoon are infla... | 10/31/1989 |
| 4622912 | Draft reduction system for ships 'An apparatus is disclosed for temporarily reducing the effective draft of a loaded cargo vessel in a waterway and assisting the propulsion and steering of the vessel while in a draft reduced condition. The apparatus permits a standard ocean-going cargo v... | 11/18/1986 |
| 4495880 | Draft assisted delivery system A device, a method, and a system for reducing the draft of large vessels to allow the successful navigation of shallow waterways which could not otherwise be traversed due to the depth of the draft of the vessel. The implementation of this system will eli... | 01/29/1985 |
| 4493284 | Pontoon for floating bridges and ferries A pontoon assembly for floating bridges includes four pivotally interconnected articulable floats providing a pontoon assembly having a folded and an unfolded position. Each of the floats is generally rectangularly shaped. In the unfolded position the pon... | 01/15/1985 |
| 4479450 | Floating dock In order to make possible a "self-docking" of a floating dock, the dock is divided into a middle pontoon and two end pontoons, which are interconnectable in alternative positions in the vertical direction, so either the middle pontoon, or the end pontoons... | 10/30/1984 |
| 4473321 | Method of launching a large floatable object from a dock to water and delaunching it A method of launching a large object such as a ship, barge or floatable offshore structure from a dock to water at a lower level than the dock surface by pushing the object over the dock edge, supporting the portion of the object extending past the dock e... | 09/25/1984 |
| 4104425 | Power cell driven by a gaseous or liquid pressure medium A power cell for lifting masses by inflation of the cell by a gaseous or liquid medium, the cell being hollow and, in the pressure-free state, substantially a single plane. The cell includes two parallel polygonal surfaces, preferably squares, invariant i... | 08/01/1978 |
| 4075965 | System for rendering a moored hull self-bailing A pair of generally cylindrical inflatable bodies are provided for transverse disposition beneath the bow and stern bottom portions of a boat equipped with a transom drain opening and internal flotation. Straps are attached to the ends of the inflatable b... | 02/28/1978 |
