Class 405/4 - Dry dock

Subclass of Class 405 - Hydraulic and earth engineering
Definition: Method or apparatus (a) for exposing the hull of a vessel
No. of patents: 40
Last issue date: 09/02/2008

Number	Title	Issue Date
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 independent shipyards, or used to expand the work area within a single por...	09/02/2008
7413378	Boat lift A boat lifting assembly includes a cradle for carrying a boat mounted between three pilings on each cradle side. A pair of support housings is affixed to the pilings on each cradle side. A pair of hydraulic lifts are housed in the housings and connected to the cradl...	08/19/2008
7401999	Pre-cast deck and dock system A pre-cast article of manufacture and system, a deck and dock is disclosed utilizing 2 main components, beam(s) and slab(s). Only one component, the cantilever beam, is required for the invention. The preferred embodiment uses a cantilevered Z beam and other embodim...	07/22/2008
7247633	Pyrimidine compounds and their use A compound of the general formula (I): wherein R1, R2, X, Y and Z are as described in the specification. ...	07/24/2007
7223766	Bi-cyclic pyrimidine inhibitors of TGFβ Compounds in which a pyrimidine nucleus is bridged at the 5 and 6 position and are further substituted at positions 2 and 4 with substituents comprising aromatic moieties are useful in treating subjects with rheumatoid arthritis ameliorated by inhibition of TGFβ ac...	05/29/2007
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
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
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
6938570	Mooring robot A mooring robot which can be dock-mounted, and can also include vacuum cups for engagement with the freeboard of a ship. The robot can position the vacuum cups within a three-dimensional operating envelope. A parallel arm linkage having two parallel arms pivoted abo...	09/06/2005
6612775	Hydraulic watercraft lift A watercraft lift having hydraulic cylinders secured to lift towers and pivot axles located above the water surface to raise and lower a cradle that is secured to a surrounding support framework with lift frames that radiate from the framework and cradle ...	09/02/2003
6602022	Drive-on boat docking apparatus, method and kit for creating such apparatus An apparatus for lifting and storing a boat above the water in the well of a floating dry dock is made up of a frame onto which the boat can be driven under its own power and which pivots on a rear bar mounted across and away from the entrance of the well...	08/05/2003
6585452	Organic composition for erosion control and barrier formation A biodegradable product for use as a ground cover or in the formation of a berm and comprising a major component of organic particulate as compost or a mulch containing compost. Additional components include granular molasses, granular guar, cotton seed m...	07/01/2003
6526706	Beach stairway A highly stable beach access stairway is described that includes steps constructed of first and second parallel stringers with a plurality of treads extending between the stringers; upper, intermediate and lower support posts upon which the stringers are ...	03/04/2003
6427395	Elongated covering member of extruded plastic suitable for flooring, decking, seating, and like uses An elongated member suitable for flooring, decking, or seating, having a top plate formed as an extrusion of plastic material, wherein the top plate includes ribs constituted by protruding parts of parallel, spaced, elongated friction elements co-extruded...	08/06/2002
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 completely encircle an inboard deck of the drydock. The drydoc...	07/27/1999
5860765	In-water dry dock system with removable centerline insert The present invention provides a simple system for in-water dry docking pleasure boats using existing boat slips. The system includes a dry-dock basin having one or more ballast tanks mounted below the bottom surface of the basin. The basin is submerged a...	01/19/1999
5832859	Welded stud hanging assembly for a blasting and coating containment system A method and apparatus for containment of a space adjacent the hull of a ship to protect the environment from polluting materials resulting from the abrasive blasting, spray painting and the like comprising, welding studs having integral connectors to the...	11/10/1998
5810513	Method and apparatus for preventing trench overflows behind trench liners A flexible trench liner system used for forming a single or a dual containment trench where during a trench overflow, the liquid run-off is prevented from migrating behind the primary flexible liner or behind the secondary flexible liner and possibly leak...	09/22/1998
5275505	Locking system for boat water-lifts The piston rod of a lift cylinder unit on a boat lift is selectively locked from extending or retracting by a locking mechanism having a clamping ring which is sleeved on the piston rod and is biased into locking position by a compression spring engaging ...	01/04/1994
5259694	Personal watercraft launcher An improved personal watercraft launcher is disclosed having a deployable carriage mounted upon a dock surface and movable in a guided path between a stowed and deployed position. A cradle assembly affixed to the dock surface near to the water is equipped...	11/09/1993
5178488	Method of determining and analysing a ships weight A method of assessing a ships weight so as to e.g. assist in its design and development, or to ascertain its actual center of gravity or its loaded state, comprises positioning the ship on a dry dock platform made up of a number of articulatedly joined su...	01/12/1993
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 interior and an exterior, with the interior including a ch...	08/25/1992
4955308	Floating boat lift A floating boat lift for lifting and supporting a boat above the surface of a body of water. The boat lift includes two elongated buoyant pontoons held in spaced apart, generally parallel relation by two transverse, generally U-shaped supports. Each trans...	09/11/1990
4895479	Lift for watercraft A stationary rectangular base frame is mounted underwater and supports generally upwardly extending, swingable, parallel links or arms. A lift platform or lift pads are supported at the upper end portions of the arms and, in combination with the base fram...	01/23/1990
4861192	Marine craft lift An apparatus for elevating objects and consisting of a frame for bearing on a subjacent support surface for the apparatus, a platform having an upwardly facing surface for bearing against an object to be elevated and laterally spaced sides and mounted to ...	08/29/1989
4773346	Hydraulic boat lift The present invention sets forth an hydraulically operated boat lift for lifting small boats upwardly out of a body of water by simultaneously supplying water pressure to four support posts connected to four corner portions of a lifting frame. Each of the...	09/27/1988
4708081	Stabilizer for floating and submersible structures A series of simple detachable frames, fitted between a floating body and its' mooring support structure, will provide static stability to the floating body, by restraining all movements--except those occurring vertically under tides and buoyancy lift, and...	11/24/1987
4686920	Cradle type boat lifts A boat lift for a berth having permanently positioned piles in pairs spaced apart a distance sufficient to permit the boat to be berthed thereat to move between the paired piles while in the water includes a cradle having fore and aft transverse members u...	08/18/1987
4686919	Method for constructing large-scale marine structure A method for constructing a large-scale marine structure, which comprises: providing, near a dock (2) of which at least one end faces the waters through a gate (6), a pond (5) having an end thereof facing the waters through another gate (6'); constructing...	08/18/1987
4549835	Docking apparatus for ships A docking apparatus comprises a drive truck adapted to run along a side wall of a dock approximately horizontally, a surface treating truck connected to the drive truck at all times and having a hull surface treating device, and a docking truck connectabl...	10/29/1985
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
4276847	Method for assembling hulls of vessels The invention is concerned with a method for assembling hulls of vessels intended to carry bulk, liquid and gas cargo and comprising an aft end, a parallel middlebody and a fore end. The building berth comprises a main site composed of a rear area and fro...	07/07/1981
4267788	Self-stabilized elevator-float for drydocking or floating any type of vessel A self stabilizing elevator float having a float body divided into a series of ballast tanks which are bailed or flooded to raise or lower the float body. A first pair of vertically displaceable towers are arranged at one end of the float. A second pair o...	05/19/1981
4231679	Dry dock for building vessels A dry dock according to the invention is characterized by that it has a main chamber for assembling a middlebody with a fore end, and at least one side chamber communicating therewith and designed for assembling an aft end of a vessel. The side chamber is...	11/04/1980
4226202	Floating lash barge lifting device The hull has a pair of laterally spaced pontoons which are rigidly interconnected by beams which extend between them at a level low enough that a barge will float over them. An elevator with a lifting and lowering mechanism is mounted on the hull with sli...	10/07/1980
4087979	Drydock lifting platform A lifting platform of a drydock has plural sections along its length pivoted together at transverse support beams supported at each end by winch cables; flotation chambers in other embodiments contain air or foamed resin and are always below the lowest wa...	05/09/1978
4084529	Floating dry dock with lifting pontoons A floating dry dock system comprises a main or central boxlike dry dock which for example may include a bottom and a side wall on each side and a lifting pontoon associated with the central unit which is adapted to be flooded so as to be positionable comp...	04/18/1978
4056942	Method for moving built structures by flotation A large, heavy built structure is moved safely and rapidly from a first position to a second position both on a common ground surface by installing on the ground surface a temporary water-retaining wall enclosure surrounding commonly the built structure a...	11/08/1977
3978676	Ship lifting apparatus A ship lifting apparatus, or drydock, is formed by a pair of parallel, spaced apart piers which define a slip in which is located a platform on to which a ship can be floated. The platform is raised or lowered by a plurality of chain jacks mounted in alig...	09/07/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 405/4 - Dry dock