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7581903 |
Method of manufacture and installation flowable thermal backfills
The invention includes a method of making and using a flowable thermal backfill. The flowable thermal backfill has a low thermal resistivity, useful for filling trenches containing electrical...
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7563054 |
Marking tape with passive resonant circuits and methods of use
A marking tape comprising at least one resonant circuit, each resonant circuit comprising an inductive coil and a capacitor, forming a resonant circuit of a selected frequency, comprises inductive...
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7458749 |
Wastewater effluent shield
A wastewater effluents orifice shield. The shield has a roof section with a wall section. The wall section is configured to straddle and attached to a wastewater or effluents dispersion line. The...
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7402003 |
Trench box moving apparatus and method
There is disclosed an apparatus and method for moving with an excavator arm a trench box having a pair of adjacent spreader bars at a forward end. The apparatus has a bracket end for connecting to...
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7367748 |
Method of installing tracer wire with pipeline utilizing horizontal directional drilling
A method of installing a non metallic pipeline segment along with a tracer wire segment using a horizontal directional drilling process includes positioning a horizontal directional drilling...
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7351009 |
Fiber optic installation structures in a paved surface, ducts, and methods therefor
A fiber optic installation structure and method therefor includes a duct having an inner tube, at least one optical waveguide, and a jacket and is disposed within a channel of a paved surface. The...
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7308911 |
Electronically detectable high-pressure hose and method of determining the location of the hose
A hose is provided having at least one layer defining a tubular body with a length and an electrically conductive lead joined to the tubular body and extending along the length of the tubular body....
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7246971 |
Stabilisation of submarine elongate structures
A stabilization system ( 10 ) for a section of submarine pipeline ( 11 ) comprising an end restraint ( 15 ) at each end of the section of pipeline and intermediate restraints ( 20 ) between the two...
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7226243 |
Load-bearing, lightweight, and compact super-insulation system
A lightweight and compact super-insulation system that is also capable of supporting a high level of compressive load. The system utilizes spacers to provide structural support and utilize...
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7150116 |
Device and method for locating an underground object
An indicator device is used for locating an underground object, for example an underground pipeline, prior to surrounding excavation by a bucket excavator. The device generally comprises a panel...
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7070360 |
Apparatus and method
The invention provides a protective structure for a subsea installation. The protective structure comprises first and second body portions and a hinge member. The body portions are pivotally...
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7066687 |
Marine seismic surveying
A method of performing a seismic survey of a hydrocarbon reservoir in the earth formations beneath a body of water includes deploying a seismic cable from a drum carried by a remotely operated...
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7029205 |
Apparatus for pipeline stabilization and shoreline erosion protection
Disclosed is an apparatus for pipeline stabilization and shoreline erosion protection, termed a BulkMat device, for protecting and securing pipelines, which are typically located in ditches or on...
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7001106 |
Installation of service connections for sensors or transmitters in buried water pipes
A system for installing warning units in a buried pipeline. A small hole is drilled in the ground to the pipeline. A collar is affixed to one of the pipes of the pipeline. A valve with an internal...
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6976809 |
Method of preventing frost heave stress concentrations in chilled buried pipelines
A method for maintaining a stable soil by surrounding a chilled gas pipe with a material that has an antifreeze component that prevents the soil from freezing. By keeping the soil from freezing, it...
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6924428 |
Damage prevention system for cables, pipelines and the like
A transmission line protection system comprising at least one signal carrying line buried adjacent the transmission line to be protected, means transmitting a signal through said signal carrying...
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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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6901716 |
Ground stake for holding drain pipe
A one piece ground stake for securing drain, waste or vent pipe relative to the ground comprises a wire rod bent to form a hook having a ground engaging shank, a pipe engaging bend or cradle and a...
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6866448 |
Fiber optic installation
The invention relates to a process for introducing an optical cable, in the form of a microcable or minicable ( 1 ), in solid ground ( 17 ) with the aid of a laying unit ( 23 ). The microcable or...
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6848862 |
Multi-gimbal marine communication cable to ocean buoy transition interface
A multi-gimbal configured transition protectively interfaces a mooring and communication cable to a communication ocean buoy. The transition interface contains a segmented, flexible sheath formed...
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6837654 |
Fiber optic cable secured in a groove
A longitudinal plastically deformable wedge is used to secure a fiber optic cable or other elongate member in a groove or channel cut in a paved roadway or similar solid surface. The wedge is...
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6764250 |
Method of load reduction on buried culvert using EPS block and/or geosynthetics
A method of load reduction on buried culvert using an EPS block is disclosed. A culvert foundation is constructed at a place where a culvert will be buried, and the culvert is put on the...
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6702518 |
Underground conveyance protection device and method
Disclosed above are a device and method for protecting underground conveyances, wherein the device comprises a carrier containing fill material and, optionally, comprising a web material...
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6695538 |
Drainage pipe support/diverter system
A drainage support/diverter system for use in connection with a perforated pipe drainage system within a drainage trench, comprising a number of drainage support/diverters that create impermeable...
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6679655 |
Permafrost support system and method for vacuum-insulated pipe
A system for supporting pipe within soil or fill material which minimizes positional disturbances of the pipe despite seasonal fluctuations in atmospheric temperature is provided. The system...
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6644891 |
Composition having low thermal resistivity and method for laying underground cables for carrying electrical energy
A system for carrying electrical energy in connections in underground cables. In particular, it relates to a method of laying cables and a trench filler having a low thermal resistivity, used for...
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6609855 |
Color-pigmented utility conveyance
A utility conveyance ( 10 ), such as a pipe, cable or duct, designed for burial in surrounding earth ( 12 ) carries a passive warning mechanism ( 16 ), preferably a water-soluble dye embedded in...
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6558081 |
Composite particles and methods for their application and implementation
In a method of creating a seal in a subsurface environment, a plurality of manufactured composite particles are placed in the subsurface environment, the composite particles including a sealant...
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6554537 |
Pipeline crossing module
In combination, a lower pipeline, an upper pipeline which crosses the lower pipeline, and at least one pipeline crossing module for supporting the upper pipeline above the lower pipeline. The...
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6538446 |
Closure guard with electronic marker and perforated carrier sheet
A buried closure guard has an electronic transponder attached to a flat, perforated carrier sheet constructed of a flexible polymer. Holes in the carrier sheet, which serve to anchor the guard,...
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6530723 |
Device and process for excavating and backfilling of soil
A device for digging and backfilling of ditches, in particular for laying pipes, comprising an automotive travelling mechanism ( 2 ) carrying a machine frame ( 4 ) with an upper structure, a boom (...
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6439808 |
Method and a device for protective encapsulation of pipe loops installable on the seabed
A method and a device for the protective encapsulation of an oil or natural gas pipe loop within an outer jacket or cover for installation on the seabed, where the end portions of the pipe loop are...
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6413018 |
Method for supporting a pipeline in a trench
A method for supporting an underground pipeline in an excavated trench. The method involves supporting the pipeline on specially-designed support benches at spaced intervals. The benches are...
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6371692 |
Device for early detection of underground utilities during excavation and method of using the same
A device for ground burial with an underground utility line or element and useful for early detection of the underground utility line or element during the excavation. The device has at least one...
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6371691 |
Method of introducing optical cable into a solid bed
A process for introducing an optical cable, in the form of a microcable or minicable ( 1 ), in solid ground ( 17 ) with the aid of a laying unit ( 23 ). The microcable or minicable ( 1 ) used for...
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6345933 |
Tank with backfill deflectors
An underground storage tank with backfill deflectors is provided to permit installation of the storage tank underground without requiring any workers to enter the excavation. The backfill...
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6332738 |
Fiber optic cable installation method and apparatus
A fiber optic cable (10) is buried below ground, either by direct burial, or by being pulled through a previously buried duct. During cable burial, the instantaneous resistance between the sheath...
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6273641 |
Protective device
A protective device having a shell structure and being shaped from a plate-shaped material, in particular but not exclusively, adapted for covering of a sub sea structure, such as at least one pipe...
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6227764 |
Pipe rehabilitation system and method for introducing a lining hose from a sewer main into a service pipe
Apparatus for introducing a lining hose containing curable resin from a main pipeline, e.g. a sewer mains, into a lateral connection, e.g. a service pipe for a property, includes a shield having an...
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6218840 |
Apparatus allowing continuous radio detection of underground utilities while maintaining cathodic isolation
The present invention is a means of allowing continuous radio detection of underground utilities while maintaining cathodic insulation of metal utility conduits such as gas mains and pipes. By...
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6206613 |
Configurable support apparatus for flexible pipe and method
A series of height-adjustable pipe-supports are used to lay a flexible conduit such as the sewer line of a recreation vehicle at a gradually decreasing slant above a ground surface. Gutter segments...
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RE37114 |
Secondary containment flexible underground piping system
The secondarily contained piping system having two spaced access chambers that are interconnected by a secondary containment pipe to provide a sealed arrangement for a flexible fluid supply pipe,...
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6164875 |
Trench shield directly ridable and movable on a constructing pipe
A trench shield includes a pair of shielding panels for protecting opposite side walls of a trench excavation, two side frames are provided for restively adjustably securing the two shielding...
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6155305 |
Offshore pipeline with waterproof thermal insulation
An improved, cost effective, insulated pipeline suitable for use in water or below grade, that is insulated with a bituminous composition unmodified or modified with filler, extenders or other...
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6142707 |
Direct electric pipeline heating
A system for direct electric heating of a subsea pipeline is disclosed in the form of a pipe-in-pipe flowline having an electrically conductive outer carrier pipe and an electrically conductive...
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6113312 |
Local remote operated vehicle for installing elongate element on seabed
A local remote operated vehicle for installing an elongated element (1)--such as a submarine cable--on a sea bed from a laying vessel or cable ship (2),--includes a guideweight/tracking gear (4)...
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6092558 |
Detectability of buried elongated objects such as pipes, ducts and conduits
A method of achieving improved delectability of pipe, duct or conduit buried below the surface of the earth involves providing the pipe, duct or conduit with a plurality of very small high energy...
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6074714 |
Fire and heat protection wrap for structural steel columns, beams and open web joists
A fire and heat protection wrapping system is described for wrapping structural steel such as steel columns, beams and open web joists used in steel construction of all types of edifices. The...
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5991013 |
Conveyance warning member with sacrificial fiber
A warning tape (10) burial above an underground conveyance (13) includes a sacrificial fiber (12). A monitoring device, such as an AOTDR (25) monitors the sacrificial fiber (12) for damage caused...
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5988227 |
Protective shield for elongated underground utilities
A protective shield for elongated underground utilities such as an elongated underground utility strand or pipe is disclosed. The protective shield includes a foldable elongated flexible sheet of...
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