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Class 212/307 - SHIP MOUNTED OR FLOATING (E.G., A CRANE FIXED TO A PLATFORM ADAPTED TO FLOAT)


Subclass of Class 212 - Traversing hoists
Definition: Subject matter peculiarly adapted to be fixed to a marine
No. of patents: 58
Last issue date: 03/11/2008


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NumberTitleIssue Date
7341157Enclosed-reeving, live-line boom
A crane comprising a boom formed as an elongate tubular structure and a line assembly to extend a line from a least one end of the boom. The line assembly may include a first bank of sheaves, a second bank of sheaves, a line reeved around the first and second banks ...
03/11/2008
7328811Even reeving system
A hoisting crane with an even reeving system having a substantially hollow vertical column, which has a foot, a top and a body disposed between the foot and the top. An annular bearing structure disposed around the substantially hollow vertical column. A jib connect...
02/12/2008
7272204Method and apparatus for clamping a riser brace assembly in nuclear reactor
An apparatus and method are provided which are designed to structurally replace welds that attach a riser brace assembly to a jet pump riser pipe. The riser brace assembly may include an upper clamp assembly, a lower clamp assembly, and a plurality of mechanical fas...
09/18/2007
7182212Floating lifting device
The invention relates to a floating lifting device, using two movable lifting structures (13, 14) which can be alternatively engaged with broaden support members (5, 6, 7) of a cable (4). The cable (4) is stored substantially without tens...
02/27/2007
6932326Method for lifting and transporting a heavy load using a fly-jib
The invention is a method for lifting and transporting a heavy load by using a heavy lift vessel with at least two heavy lift cranes adapted to operate simultaneously; mounting fly-jibs on the heavy lift crane to increase reach and height of the heavy lift crane; pi...
08/23/2005
6607331Elevated crane support system and method for elevating a lifting apparatus
A support structure for supporting a lift crane, and in particular to a lift crane jack-up structures, including rigs, platforms, barges, boats or the like, wherein the lift crane is positioned about a leg of the jack-up structure atop the jack-house. The...
08/19/2003
6537009Handler for container ship
A container ship includes a hull, propulsion device, support, guide disposed on the support that is extendible beyond the hull, and handler movable along the guide. Thus, the container ship enables containers to be unloaded near a variety of points of use...
03/25/2003
6405114Aerial work platform boom having ground and platform controls linked by a controller area network
An aerial work platform supported by a riser boom, a telescoping main boom, and a jib boom. Boom movement may be controlled by a platform control module or a ground control module connected to a controller by a controller area network (CAN). Movement of t...
06/11/2002
5965994Automatic vertical moving systems and control methods therefor
Disclosed are automatic vertical moving systems and control methods therefor for regularly lowering an object with predetermined depth and time intervals to a desired maximum depth in water and then raising it to the surface of water to analyze vertical c...
10/12/1999
5951227Deep water lowering apparatus
A deep water lowering apparatus that utilizes dual davit structures mounted on a barge. Each davit structure has a pulling wire rope line spooled on a storage winch. Each pulling line is reeved onto a traction winch and through upper and lower sheaves on ...
09/14/1999
5580189Jack-up rig crane
A boat lifting crane includes an annular ring beam mounted on the barge deck of a jack-up rig about one of the vertical openings of the rig that receives one of the legs and its elevating units. The ring provides spacing away from the leg, its opening and...
12/03/1996
5567112Cargo ship off-loading method and cargo carrier
An improved method for unloading break bulk goods from a ship and a cargo transfer carrier for use in the unloading of break bulk goods. The cargo carrier is comprised of a plurality of longitudinal frame members connected by a plurality of cross members ...
10/22/1996
5381909Winch for towing submerged objects
A winch makes it possible for a fish fitted with sonar to be towed behind a boat. The winch includes a sensor for measuring the attitude of the fish and a device for controlling, using this measurement, a servo cylinder actuator which alters the inclinati...
01/17/1995
5328040Thrust-centering crane and method
A crane design which permits limited rotation in the plane of loading of the upperworks of a pedestal crane independently of the central support thereof, and independently of the thrust and radial bearings about an extension of such central support. Means...
07/12/1994
5140925Arrangement in general cargo ships having side port openings
A cargo ship (10) is equipped with side port openings (34,35) for transporting freight (59) inwardly and outwardly from the ship. The ship (10) is equipped with an upper superstructure (25) in a continuous length above a fore-and-aft row of upwardly openi...
08/25/1992
4898289Method of handling a load with a crane vessel having movable load supports
A crane vessel (20) has a temporary load support structure (23) on which to support a load (22) in transit. For installation, the load is hooked up to the vessel crane (21) and the temporary support structure is removed to enable the vessel to set down th...
02/06/1990
4880345Load hoisting assembly particularly for boats
Disclosed is a load-hoisting assembly for mounting on a pair of horizontal rails spaced apart a predetermined vertical distance. The assembly comprises an upright post having a jib at its upper end provided with a hoisting device. The assembly also compri...
11/14/1989
4860681Apparatus for carrying out operations under water
An apparatus for carrying out operations under water having a twin hull autonomous submarine which in the space between two pressure hulls is provided with a cargo hold having an apparatus for receiving and carrying cargo units. The compartment between th...
08/29/1989
4846357Offshore station articulated boom maintenance unit
This invention relates to an articulated boom structure unit (15) adapted to be mounted on an ocean going lift barge (16) for maintenance of an offshore station (14), and having a platform (17) vertically movable relative to ocean floor engageable leg uni...
07/11/1989
4803940Ship and ship loading and unloading system
The invention relates to a ship having at least one side port for loading and unloading. The main deck of the ship, which does not have any cargo hatches, supports a rectangular superstructure, the top ceiling of which supports a rail system for an overhe...
02/14/1989
4776473Crane house
A crane house includes an operator cabin mounted on the house, and an opening permitting access to the crane house from without for the purpose of minimizing the openings in a crane house of this kind, which is achieved by closing the access opening to th...
10/11/1988
4762456Accommodations to exchange containers between vessels
A system to transport containers for ports of call by Feeders serving a trade area with each area having an associated terminal located intermittently along a specific route as stops for a fleet of superships (Cellers); there to directly exchange its impo...
08/09/1988
4705180Suspended load positioning stabilizing system
A wire rope or cable stabilizing system for applying a balancing force to a suspended load to maintain vertical movement of the load perpendicular to the surface upon which the load is to be placed. The balancing force is effected to balance the lateral l...
11/10/1987
4653656Double center luffing crane
A load lifting crane for raising the load at a site and moving the load in a substantially horizontal direction to a remote site where the load is lowered. The crane includes a base support member which has a pivotally supported vertically extending mast ...
03/31/1987
4606469Double link level luffing crane
To enable the crane driver of a double link level luffing crane to adapt the height of his cab above the ground to the size of the ship to be loaded or unloaded, the drivers cab is mounted at the end of a separate cab link having a hinge connection with a...
08/19/1986
4569453Loading and unloading crane and method of operation therefor
A crane structure mounted on a transport vehicle, preferably a marine vessel, is disclosed. The crane structure includes a gantry structure mounted on a vertical tower structure and having boom portions protruding from the tower structure. Preferably, the...
02/11/1986
4568232Barge mounted horizontal boom bulk unloader
A bulk material unloader includes parallel, spaced-apart main and back barges or pontoons which are held in fixed relationship with respect to each other by four collar frames. Two parallel cargo lighters are positioned between pontoons and the unloader i...
02/04/1986
4556341Work platform
A stable offshore platform for surface or undersea work is provided by connecting a semisubmersible trailer unit with a workboat. Preferably, two columns of the trailer are joined by a beam member or truss, and this assembly is linked to the workboat via ...
12/03/1985
4552082Offshore incineration of hazardous waste materials
A method and an ocean-going vessel are disclosed for more effectively incinerating hazardous liquid wastes at sea. Intermodal shipping tank containers are filled at waste generation sites; transported to dockside and loaded above decks on an incinerator s...
11/12/1985
4534476Bridge crane
A bridge crane for use in a shipboard environment consisting of a machinery arrying body having a bolt-on hoist rail. The ends of the machinery carrying body form trucks housing support wheels for suspending the crane from overhead rails. The traversing sy...
08/13/1985
4506791Ship's derrick
A ship's derrick can be swiveled and tripped up by means of a goose-neck pin-bearing and one or more topping lift tackles. Its tackle is fastened to a crab which can be moved in the longitudinal direction of the derrick by means of a tackle line. In the c...
03/26/1985
4480757Collapsible frame support for pivotal boom on a portable crane
A crane structure mounted on a transport vehicle, preferably a marine vessel, is disclosed. The crane structure includes a gantry structure mounted on a vertical tower structure and having boom portions protruding from the tower structure. Preferably, the...
11/06/1984
4470721Crane assembly for floatable oil/gas production platforms
A floatable oil/gas production platform assembly has a deck, disposed beneath the deck a zone including a plurality of adjacent stations for support of oil/gas flowlines/risers originating from beneath the platform, and a crane disposed in a space above t...
09/11/1984
4446977Roller support for load handling devices
A rotary load handling device including a frame structure having an arcuate roller rail mounted on the upper surface, a roller ring having a set of concentric ring members and a plurality of double flanged wheels connected therebetween disposed on the arc...
05/08/1984
4442943Floating crane stabilizer
The crane assembly includes a generally annular float assembly having a boom operatively carried by the float assembly for movement in a generally vertical plane. A mechanism is provided for rotating the float assembly and the boom together. A spacing mem...
04/17/1984
4435118Method of controlling horizontal motion of a load application point on an articulated crane
A method and apparatus for controlling the horizontal motion of a double articulated crane comprises determining the angle about a common axis between a base member pivotally mounted on a crane post and a head member carrying a load application point on a...
03/06/1984
4421051Auxiliary boom for emergency evacuation
An apparatus and method for erecting a temporary emergency walkway for personnel between an offshore oil platform and a marine vessel. The disclosed apparatus includes a first walkway attached to the main boom of a crane mounted on the vessel and a second...
12/20/1983
4417664Method and apparatus for mounting lift crane on offshore structures
A method and apparatus for the mounting of lift cranes on jackup rigs, offshore platforms, and like offshore structures provides a first static bearing race portion which is mounted upon the jacking structure, for example, of a jackup rig surrounding the ...
11/29/1983
4363410Split topping lift gear
A split topping lift gear with a boom swingable through a plane between a pair of posts includes the boom and a jib hingedly connected to the upper end of the boom. The jib is elongated, with its hinged connection to the boom located between its ends. A r...
12/14/1982
4359164Floating crane apparatus
A floating crane apparatus is disclosed as including an annular float assembly comprising individual pontoon members detachably connected and interconnecting frame means which includes a bridge spanning a central opening in the annular float assembly by w...
11/16/1982
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