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| Number | Title | Issue Date |
| 7740417 | Construction method for installing underground pipes for high-tension cables by using trough A construction method for installing underground pipes for high-tension cables uses a trough. The method includes the steps of forming an excavation trench by excavating the ground, installing the trough on the bottom of the excavation trench, pouring sand into the ... | 06/22/2010 |
| 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 cables and other lines that generate heat. The method includes process ste... | 09/01/2009 |
| 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 coils and capacitors formed by conductive material layers (2, 3, 4... | 07/21/2009 |
| 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 the excavator arm and a hooking fork. The hooking fork has a first su... | 07/22/2008 |
| 7367362 | System and method for pipe repair A system and method of repairing a pipe including securing a reinforcing material, such as a dry fiber structure (e.g., a carbon fibers) to the surface of the pipe. A polymeric material is placed on top of the reinforcing material, self-penetrating the dry fiber str... | 05/06/2008 |
| 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 machine in a selected position on one side of the obstacle. A drill bit is ... | 05/06/2008 |
| 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 jacket generally surrounds the inner tube. When the duct is disposed ... | 04/01/2008 |
| 7331549 | Pipe brackets and pipe hanging system Pipe brackets and a pipe hanging system are provided for supporting fluid-carrying ducts or pipes along a wall or suspended from a ceiling of a building structure. The pipe hanging system can position and support a pipe or system of pipes in any position and to prov... | 02/19/2008 |
| 7311121 | Lateral pipe lining material and lateral pipe lining method A lateral pipe lining material comprises a tubular resin absorbing material impregnated with a setting resin, which has a flange at one end thereof and whose outer surface is coated with a highly airtight film. A sealing tube is detachably attached to the outer circ... | 12/25/2007 |
| 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. The electrically conductive lead is adapted to receive an electrical... | 12/18/2007 |
| 7309188 | Drainable base course for a landfill and method of forming the same Numerous embodiments of one or more layers of void-maintaining synthetic drainable base courses (“VMSDBC's”) are provided as incorporated into landfills and other waste containment facilities. ... | 12/18/2007 |
| 7282638 | Protection profile for subsea cables An elongated object for use in subsea having a heating pipe and an electrical cable fixed to the surface of the heating pipe. The electrical cable has a protective sleeving for surrounding the electrical cable, composed of a series of elongated synthetic plastics co... | 10/16/2007 |
| 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 end restraints (15) for limiting lateral ... | 07/24/2007 |
| 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 controlled buckling of a thin protective outer skin supported by spacers to f... | 06/05/2007 |
| 7191802 | Reinforcing wrap for plastic pipe The combination of a flexible pipe, e.g. plastic, and a reinforcing member mounted around the pipe to strengthen the pipe and to enhance its ability to resist deformation under load. In one embodiment the reinforcing member includes a flexible perforated plastic net... | 03/20/2007 |
| 7185601 | Chemically sensitive warning apparatus and method A chemically sensitive warning apparatus capable of changing colors upon contact with a chemical is disclosed. The apparatus preferably comprises an elongated tape having opposed, first and second major surfaces and warning indicia visible to an individual viewing t... | 03/06/2007 |
| 7179016 | Signpost formed of recycled material A post for supporting a roadway sign comprises a hollow, continuous sleeve formed of thermoplastic resin. The sleeve has an interior surface and a continuous core disposed within the sleeve and generally coextensive with the interior surface of the sleeve. The core ... | 02/20/2007 |
| 7156584 | Method for installing a high or medium power cable in the ground The invention concerns a method for setting medium or high power electric cables (2) in the ground, which consists in digging a trench (14) evacuating the materials derived from the trench (14) towards a treatment device, for example by crushing... | 01/02/2007 |
| 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 member buried in the ground directly above the object. The panel member... | 12/19/2006 |
| 7137756 | Fluid-tight bell-and-spigot-joint for box culverts A box culvert and gasket assembly is provided that enables fluid-tight bell-and spigot joints to be formed between abutting ends of box culverts. The joints according to the assembly of the present invention can remain fluid-tight up to at least 13 psi of water pres... | 11/21/2006 |
| 7128156 | Wellbore rig with heat transfer loop apparatus A rig, the rig useful in well operations, the rig having rig structure above the earth, and heat transfer loop apparatus connected to the rig for supplying heat transfer fluid for use on the rig, either from a loop or loops with portion(s) in water or portion(s) in ... | 10/31/2006 |
| 7104330 | Marine riser tower This invention relates to a marine riser tower (112, 114) for use in the production of hydrocarbons from offshore wells. The riser tower (112, 114) includes a plurality of fluid conduits, which may comprise production flow lines (P), gas-lift lines (G)... | 09/12/2006 |
| 7100694 | Marine riser tower The invention relates to a marine riser tower having a plurality of rigid metallic conduits bundled together with a metallic tubular core. The conduits may include production lines for hydrocarbons, water injection lines, and/or gas lift lines. A production line or ... | 09/05/2006 |
| 7092605 | Fiber optic cable with composite polymeric/metallic armor A fiber optic cable includes: a plurality of optical fibers; a tube circumferentially surrounding the optical fibers, the tube being formed of a first polymeric material; an armor circumferentially surrounding and fixed relative to the tube, the armor being formed o... | 08/15/2006 |
| 7073536 | Apparatus, methods, and liners for repairing conduits An apparatus and method for repairing the juncture or intersection of a first conduit and a second conduit is disclosed. The apparatus includes a main body for transporting and positioning a repair material impregnated with at heat curable resin system or matrix. An... | 07/11/2006 |
| 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 mounted to the hinge member such that at least one of the body portions may... | 07/04/2006 |
| 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 vehicle on the seabed. The cable is deployed into a lined trench, which i... | 06/27/2006 |
| 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 the floor of large bodies of water. In preferred form, the BulkMat com... | 04/18/2006 |
| 7025534 | 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 vehicle on the seabed. The cable is deployed into a lined trench, which i... | 04/11/2006 |
| 7011345 | Pipe joint and couplers A pipe joint between cylindrical male and female couplers having terminal end portions with cooperating cam surfaces that facilitate assembly of the couplers. Cooperating projections on the couplers cam past one another when the couplers are assembled and restrain t... | 03/14/2006 |
| 7011766 | Capping and treating a metal-contaminated sediment A method of treating a metal-contaminated sediment includes capping the sediment with a capping product containing sulfur and at least one component selected from the group consisting of clays, clay-sized materials, bulking agents, sand, sand-sized materials, aggreg... | 03/14/2006 |
| 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 passage is connected to the collar. A hole is drilled in the pipe. A ... | 02/21/2006 |
| 6994307 | Method and apparatus for packaging saw blades A protective cover for use on one or more saw blades. The cover is formed from a heat shrinking material that is shrunk on the saw blade(s) to provide a thin close fitting cover that protects teeth on the saw blade(s). A tag can be attached to the cover and/or saw b... | 02/07/2006 |
| 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 remains stable at all times. The method calls for excavating a trenc... | 12/20/2005 |
| 6974278 | Thermo-structural base for construction on unstable soils In this invention, after the grade at a construction site has been excavated and/or graded to its preliminary rough grade, re-enforcing material, typically synthetic in nature, such as nylon or polypropylene mesh or rods, fiber-glass rods or mesh, or other specified... | 12/13/2005 |
| 6973244 | Cable with crevice corrosion protection The invention relates to a cable comprising at least two elongated elements chosen from a group consisting of steel tubes (1, 2), optical fibre cables (3), electrical cables (4), and combinations thereof, arranged side by side within a common ou... | 12/06/2005 |
| 6969215 | Method and apparatus for laying pipe on an incline A pipeline is constructed in steep terrain by digging a ditch on the incline, assembling pipe joints together adjacent a top of the incline and then lowering the assembled pipe joints down the incline through the ditch. A wheeled assembly at the lower end of the pip... | 11/29/2005 |
| 6945153 | Rope for heavy lifting applications A large diameter rope having improved fatigue life on a sheave, pulley, or drum is disclosed. This rope includes a blend of HMPE filaments and liquid crystal polymer filaments selected from the group of lyotropic polymer filaments and thermotropic polymer filaments.... | 09/20/2005 |
| 6939081 | Fuel dispensing and containment assembly A modular fuel dispensing and containment assembly for storing fuel in at least one fuel tank and for pumping the fuel to a group of fuel dispensers. The assembly has a reinforced concrete vault located underground which contains a fuel tank within its interior. The... | 09/06/2005 |
| 6933038 | Fiber reinforced mineral-based materials and methods of making the same The present invention relates to a method for reinforcing mineral-based materials using reinforced fiber material. More particularly, the present invention relates a method for more uniformly dispensing a fiber material with a mineral-based material, such as cement ... | 08/23/2005 |
