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7635237 |
Retrievable surface installed cathodic protection for marine structures
An anode column for protecting a marine structure from corrosion includes: (a) an elongated guide having upper and lower ends, and adapted to be physically supported in an upright position in a...
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7635238 |
Device for preventing dock piling or structure piling uplift
A device for preventing dock piling or structure piling uplift includes a tubular member concentrically disposed around the piling so as to form an annular space between the tubular member and the...
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7628569 |
Covering element for protecting structures against scouring and drag force
Sheath ( 20, 21 ) with specially designed artificial rugosity ( 18, 19 ), to be put on structures and objects ( 10 ) submerged in a flow ( 12 ) and leaning on a scourable bottom, such as piers and...
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7617792 |
Bumper assembly for posts and pilings
A bumper assembly for attachment to a post has a hollow bumper member with an internal bore that fits over a post and allows the bumper member to rotate. A protective liner is provided between the...
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7600945 |
Vacuum formed cladding
A cladding section for mounting upon an elongate member and suppressing vortex induced vibration of it, the cladding section being formed of plastics sheet shaped to define two or more parallel,...
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7578038 |
Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration
Apparatus and methods for remotely installing vortex-induced vibration (VIV) reduction and drag reduction devices on elongated structures in flowing fluid environments. The apparatus is a tool for...
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7563496 |
Composite pipe
A sleeved composite pipe or piling structure formed of an elongated polyethylene pipe or tube of high-density polyethylene (HDPE) or another polyethylene material installed over a substantially...
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7524143 |
Loading system for ice infested waters
A loading system for transfer of hydrocarbons between an installation on the sea bed ( 16 ) and a floating vessel ( 10 ) in areas exposed to drifting ice. The system including a submerged turret...
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7458752 |
Suppression element for vortex-induced vibrations
A suppression element ( 1 ) for vortex vibrations, comprising an envelope ( 2 ) for t least partly enveloping a tubular element ( 100 ); at least one projection ( 3 ) pointing away from the...
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7421966 |
Device for protecting dock anchor posts from ice damage
A system for protecting a dock from ice damage. The system includes a circumferentially fluted, water-impermeable housing capable of longitudinal and radial expansion and contraction. The housing...
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7393158 |
Shrink for centralizer assembly and method
A centralizer system is provided for use in a marine riser system, the centralizer being preferably heat-shrink fitted to an upset portion of a keel joint, the upset portion having tapered sections...
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7393157 |
Timber pile protection apparatus and method
A timber pile protection apparatus includes a sleeve that has an open first end, an open second end and a peripheral wall extending between the first and second ends. The sleeve is positioned on...
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7351013 |
Unitary pile jacking sleeve for installing and compressively loading piling without overhead access and without disrupting a super-structure
A pile jacking sleeve includes a structural sleeve having a bottom section, an intermediate section and a top section. A stationary plate partitions the bottom section from the top section. A...
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7334966 |
Reinforcement of tubular structures
A tubular structure is reinforced or reinstated by providing a reinforcing layer in its interior in spaced relation to the existing structure so that a cavity is formed. Plastics or polymer...
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7300229 |
Repair jacket for pilings and method
Repair jacket is adapted for repairing or reinforcing elongate structures such as pilings, especially in marine environments. Jacket includes a cylindrical body of fiber-reinforced plastic (FRP)...
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7300228 |
Method and apparatus for preventing dock or structure piling uplift
A piling anti-lift system utilizes a heat trace cable secured around a piling and extending above and below the water level of the surrounding water. An annular space is formed between the piling...
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7234407 |
Active anti-fouling systems and processes for marine vessels
Systems and processes for controlling and/or preventing fouling of marine vessel hulls and fixed structures are disclosed. The systems and processes deliver an anti-fouling composition through a...
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7219478 |
Concrete reinforcement structure
This invention relates to a reinforcement structure which is used in providing cementitious mixtures supplemental support and strength upon setting, and more particularly, to a reinforcement...
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7168673 |
Pole stabilization and support system and kit
A pole support system comprises a metal sleeve that generally conforms to an outer surface of the pole; an elastic liner disposed between the metal sleeve and the pole; and a clamping band that...
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7150241 |
Device for protecting dock anchor posts from ice damage
A system for protecting a dock from ice damage. The system includes a circumferentially fluted, water-impermeable housing capable of longitudinal and radial expansion and contraction. The housing...
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7121767 |
Rugged foam buoyancy modules and method of manufacture
A buoyancy module comprises a multi-layer outer protective shell that has an exterior surface and an interior surface. A first layer of foam buoyancy material is located adjacent to the interior...
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7114885 |
Protection means for a flexible riser
The invention relates to flexible risers for transfer of hydrocarbons between a sea bed installation and a vessel ( 10 ) floating at the sea surface. The riser ( 18 ) is provided with means ( 20 )...
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7108457 |
System and method for reducing drag and vortex induced vibration in marine applications
A marine riser that includes active boundary-layer control (“BLC”) for reducing hydrodynamic drag and vortex-induced-vibration (“VIV”) caused by currents. The marine riser includes at least...
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7104219 |
Piling decontamination and marine life enhancement system
A marine habitat enhancement system is provided that in one embodiment is configured for attachment to existing pilings and in another embodiment is a stand-alone system anchored to the soil. The...
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7017666 |
Smooth sleeves for drag and VIV reduction of cylindrical structures
A method for controlling drag and vortex induced vibration in a substantially cylindrical element by providing an ultra-smooth surface about the cylindrical element. The system for controlling drag...
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6997260 |
Method of repairing tubular members on oil and gas wells
The disclosure concerns a method and apparatus for repairing or structurally reinforcing an oil and gas well tubular member, or an assembly of tubular members. The assembly to be repaired can...
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6994492 |
Methods for remote installation of devices for reducing drag and vortex induced vibration
Methods for remotely installing vortex-induced vibration (VIV) reduction and drag reduction devices on elongated structures in flowing fluid environments. The devices installed can include...
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6955024 |
Filament wound structural light poles
A one-piece, unitary, elongate, tubular light pole. The elongate light pole defines a central axis and is constructed from a filament-wound composite of fiber-reinforced bonding agent and has a...
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6948884 |
Vortex-induced vibration reduction device for fluid immersed cylinders
A mechanism to be applied to an exterior surface of a cylindrical structure for the reduction of the effect of Vortex Induced Vibration (VIV) in the cylindrical structure when immersed in flowing...
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6941710 |
Columnar jack concealing device
The present invention provides a device for concealing and covering a columnar jack for columnar supports and a method of concealing a columnar jack using a columnar jack concealing kit. The device...
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6922886 |
APT-1 (anode placement tool-model 1)
An apparatus designed for installing anode bracelets upon pipes used in cathodic protection systems. The apparatus includes a pair of grasp booms which hold the anode bracelet during installation...
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6896447 |
Vortex induced vibration suppression device and method
A vortex induced vibration suppressor and method is disclosed. The apparatus includes a body that is a flexible member of a polymeric (e.g., polyurethane) construction. A plurality of helical vanes...
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6872030 |
Wood support piling with composite wrappings and method for reinforcing the same
A wood support piling is reinforced by a composite wrapping. The composite wrapping is formed on the wood piling by a filament winding process. Filament strands are impregnated with resin and...
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6755595 |
Riser impact protection
A shell for providing impact protection to a marine drilling riser, the shell comprising a body having at least one hollow chamber defined by inner and outer faces of the shell, the body being...
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6702026 |
Methods and systems for reducing drag and vortex-induced vibrations on cylindrical structures
Apparatus for controlling drag and vortex-induced vibration exerted onto a substantially cylindrical element of a fixed position subjected to a fluid flowing environment. Apparatus of the invention...
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6571878 |
Smooth buoyancy system for reducing vortex induced vibration in subsea systems
Smooth buoyancy cylindrical elements having a surface roughness coefficient of K/D less than or equal to 1×10 −4 , where K is the average peak-to-trough roughness and D is the effective outside...
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6565287 |
Apparatus for suppression of vortex induced vibration without aquatic fouling and methods of installation
Apparatus and methods for suppressing vortex-induced vibrations (VIV) of aquatic elements of underwater structures. The system includes use of a sleeve positioned around at least a portion of an...
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6561736 |
Frictional coupler and stiffener for strengthening a section of piling
Sheathing members surround the pile and are clamped to it by bolts inserted through flange members or portions outside the piles, which clamp the sheathing members against the pile above and below...
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6561734 |
Partial helical strake for vortex-induced-vibrationsuppression
A partial helical strake system and method for suppressing vortex-induced-vibration of a substantially cylindrical marine element, the strake system having a base connected to the cylindrical...
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6547490 |
Coated metal peroxides
Coated metal peroxides, their preparation and use, in which metal peroxides are coated with silicone compounds from selected from the group siliconates, hydrogen-polysiloxanes, siloxanes, silicone...
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6536991 |
Method of structurally reinforcing an assembly of tubular members in a marine environment
A method and apparatus for structurally reinforcing a tubular member, or an assembly of tubular members in a marine environment is provided. The assembly includes a smaller diameter inner flow...
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6517289 |
Inflatable vibration reducing fairing
Components of a flexible fairing shroud are attached adjacent their leading edges to bushings through which the fairing shroud is angularly displaced about a protectively surrounded structure...
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6494640 |
Apparatus for protecting structural supports
An apparatus for protecting structural supports from damage when impacted by an object such as a moving vehicle is provided. The apparatus has a shaped component which in the preferred embodiment...
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6443085 |
Method for keeping a submerged structure from being adhered to by aquatic organisms
This invention provides a method for keeping a structure such as a vessel, at least part of which is submerged, from being adhered to by aquatic organisms. In the method, the submerged part of the...
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6371696 |
Pylon servicing apparatus
A pylon servicing apparatus comprising a carriage ( 11 ) having a first drive mechanism ( 17 ) provided on the carriage ( 11 ), the first drive mechanism ( 17 ) being adapted to engage the pylon (...
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6364575 |
Underwater pile repair jacket form
The invention relates to a plastic jacket that is used for repairing underwater piles that have been corroded by the wave action at the waterline or by a tidal zone. The jacket consists of a...
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6357196 |
Pultruded utility pole
A hollow fiberglass utility pole includes a pair of segments that are a fiberglass sheet that has a semicircular cross-section. The segments have first and second longitudinal edges with male and...
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6197137 |
Method of preventing adhesion of aquatic organisms in structures in water
The present invention provides a method of preventing adhesion of aquatic organisms on structures in the water such as ships. In the method, the underwater part of a structure in the water is...
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6176062 |
Pole protector
In order to protect a pole from low-speed impacts, an inner shell of impact-absorbing material is wrapped about the pole and an outer shell of a tough material is wrapped about the inner shell for...
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6167672 |
Supplementary reinforcing construction for a reinforced concrete pier
A supplemental reinforcing structure for supplementally reinforcing an existing reinforced concrete pier and a reinforced concrete pier reinforcing method facilitating and simplifying field work,...
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