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| Number | Title | Issue Date |
| 7458750 | Pipe conveyor system A pipe conveyor system which operates to assemble and disassemble a plurality of pipes. ... | 12/02/2008 |
| 7363977 | Prevention of latex inversion in saltwater cement compositions for use in subterranean formations and associated methods The prevention of latex inversion in saltwater cement compositions for use in subterranean formations by inclusion of a combination of latex stabilizers and associated methods of cementing. Saltwater cement compositions comprising saltwater, a cement, a latex, a fir... | 04/29/2008 |
| 7365446 | Wind power plant having power module mounted on tower foundation and method for use in constructing same The invention relates to a method for constructing a wind energy plant and to a wind energy plant as such. An aim of one aspect of the invention is to provide a method for constructing wind energy plants at lower expenses and more rapidly. According to one aspect, a... | 04/29/2008 |
| 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 |
| 7350584 | Formed tubulars A method of lining a drilled bore comprises running a tubular into a drilled bore and then corrugating the tubular in the bore. The tubular may also be expanded in the bore. In other aspects of the invention the tubular is corrugated prior to running into the bore a... | 04/01/2008 |
| 7337859 | Method and device for drilling a channel In a drilling method for creating a channel leading from surrounding soil into a shaft which is separated from the soil by a wall, a channel is drilled through the soil from a starting pit in the direction of the shaft using a first drill head. The first drill head ... | 03/04/2008 |
| 7318453 | Spacing and centering device for a rigid double-wall duct with a low heat transfer coefficient A spacing and centering device for a rigid double-wall duct, for example of the winding type, which is intended for the transport of hydrocarbons. The rigid duct comprises two coaxial tubes which are separated by an annular space. The spacing and centering device is... | 01/15/2008 |
| 7281880 | Subsea vehicle assisted pipeline commissioning method The present invention is directed to a method for completing the commissioning of a subsea pipeline by purging with a compressed gas to dewater and dry the line wherein the operation is done on the seabed. More specifically, the method is carried out with a subsea v... | 10/16/2007 |
| 7275892 | Tool and method for installation of water pipe A tool used for installing water systems. The tool consists of a probe having a central body, a tapered end, and an anvil end. Pipe is slid over the central body forming a pipe and probe assembly which can be installed in soil traversing beneath an immovable structu... | 10/02/2007 |
| 7270500 | Method for installing an underground water pipe A method for installing water pipe beneath nonmoving objects with a presence in the earth with a tool for installing water pipe made of a central body, a ring encircling the central body, a tapered end, an anvil end, and a ring. The method further comprises selectin... | 09/18/2007 |
| 7267506 | Tool for installing an underground water pipe A tool for installing water pipe made of a central body, a ring encircling the central body, a tapered end, and an anvil end. Water pipe slides over the tapered end, over the ring and is stopped by the anvil in for impact installation in soil enabling water pipe to ... | 09/11/2007 |
| 7261493 | Device and method for laying and joining pipe A pipe installation device and a method for laying consecutive lengths of bell and spigot pipe. The pipe installation device installs sequential pipe lengths. The pipe installation device includes a pipe supply system and a pipe alignment system attached to a carria... | 08/28/2007 |
| 7252459 | Method and device for positioning a branch connection on a pipeline The following operations are carried out: a) digging an exploration hole (8), b) using a branch connection (10) which includes a main plate (12) and a fixing plate (22) which are held together, c) us... | 08/07/2007 |
| 7246472 | Drain and a building structure having a drain A floor drain (100) comprising a bottom part (4) having at least one discharge opening (5), a front part being integral with the bottom part (4) and having a first part (3b) being inclined to said bottom part at an angle bei... | 07/24/2007 |
| 7242107 | Water-based wind-driven power generation using a submerged platform Provided are systems, methods and techniques by which a wind-powered energy generating platform, secured to an anchor, can pull (or winch) itself beneath the surface of the water and thereby avoid most of the significant effects of storms and waves. In more particul... | 07/10/2007 |
| 7229233 | Double walled containment sumps A double walled riser sump has an annular space between the two walls. The provision of the annular space provides for monitoring the integrity of the two walls of the sump. The two walls of the sump are preferably separated by a thin film or a distance fabric that ... | 06/12/2007 |
| 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 |
| 7223052 | Conduit retainer apparatus Conduit retainer apparatus includes a central bridge element and a pair of end plates secured to the central bridge element. The conduit retainer apparatus is disposed in a trench on top of conduits. The end plates dig into the sides of the trench to prevent the con... | 05/29/2007 |
| 7223051 | Removable maintenance port with method for rehabilitating manhole A removably insertable apparatus for creating and accessing manholes and a method for rehabilitating manhole structures and the like, using the apparatus. The apparatus comprises two sections, both of which are load bearing composite materials such as reinforced fib... | 05/29/2007 |
| 7186060 | Method and device for lining construction in sewer followed by simultaneous filling of back-fill material In lining work in which a lining pipe R formed by spirally winding a strip-like member 500 consisting of an elongated sheet-form body is left in place inside a tubular culvert P, and a new lining pipe is additionally formed in front of this lining pipe that h... | 03/06/2007 |
| 7178226 | Wire installation tool An electrician's tool generally comprises a plate having a hole formed therein, the hole defined by an inner edge. The edge includes means for safely sliding wire through the hole and past the edge. In one embodiment the means for safely sliding the wire includes at... | 02/20/2007 |
| 7168888 | Aerobic and anaerobic waste management systems and methods for landfills The invention provides systems and methods for creating, managing and staging aerobic and/or anaerobic landfills. The invention provides systems and methods for collecting liquids from and recirculating liquids into landfills and systems and methods for collecting g... | 01/30/2007 |
| 7080957 | Pipe puller An apparatus for pulling a first pipe into contact with a stationary second pipe includes a strut having a first end and second end. A force generating apparatus is mounted to the strut, and is configured for pulling the first pipe relative to the second pipe. ... | 07/25/2006 |
| 7063145 | Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations In an embodiment, a method for heating a hydrocarbon containing formation may include providing heat from one or more heaters to an opening in the formation. A first end of the opening may contact the earth's surface at a first location and a second end of the openi... | 06/20/2006 |
| 7037042 | Device and method for laying and joining pipe An auto-advancing pipe installation device and a method for laying consecutive lengths of bell and spigot pipe. The auto-advancing pipe installation device installs sequential lengths of pipe in a trench. The auto-advancing pipe installation device includes a locomo... | 05/02/2006 |
| 7033113 | Mid-line connector and method for pipe-in-pipe electrical heating For heating a pipe-in-pipe pipeline with power provided through an electric cable, mid-line connector is provided including: a connector housing joinable to the outer pipe of the pipeline; a blank pipe positioned within the connector housing and joinable to the inne... | 04/25/2006 |
| 7017866 | Tube support device A tube support device particularly well suited for neon tubing comprises a channel shaped portion and a cap portion. The channel shaped portion has at least one bottom leaf spring portion extending angularly toward the longitudinal axis of the tunnel for biasing a t... | 03/28/2006 |
| 7018136 | Method installing a duct, device for carrying out said method, and a tape-shape element for use with said method Method for installing a duct where an existing longitudinal member is present along a section over which the duct is to be installed. The longitudinal member is utilized as a guide for the duct. The tape-shaped element is closed around the longitudinal element throu... | 03/28/2006 |
| 6981821 | Subsea pipeline insertion shoe An insertion shoe for retrofitting an undersea pipeline to permit passage therethrough of a scraper includes a plate sized to cover an opening in a branch connection of the pipeline and an inner surface structured to match the inner surface surrounding the opening. ... | 01/03/2006 |
| 6979776 | Pipe bundle for underground installation A pipe conduit bundle for installation into a wellbore using horizontal drilling techniques is disclosed. The pipe conduit does not require an outer casing for construction. The pipe bundle configuration is formed by pipes of varying sizes in a particular configurat... | 12/27/2005 |
| 6976498 | Method of fitting a cable into a pipe A method of installing a cable or conduit into at least one plastic pipe of a fluid carrying pipeline system, comprises attaching a first saddle fitting at a first location on said plastic pipe by electro-fusion, opening the pipe at the first location, introducing t... | 12/20/2005 |
| 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 |
| 6969217 | Pipe puller An apparatus for pulling a first pipe into contact with a stationary second pipe includes a frame and a strut pivotally mounted to the frame about a first pivot axis, the strut having a first end and second end. A pivot assembly is pivotally mounted to the frame abo... | 11/29/2005 |
| 6962269 | Service station leak detection and recovery system A fueling environment that distributes fuel from a fuel supply to fuel dispensers in a daisy chain arrangement with a double walled piping system. Fuel leaks that occur within the double walled piping system are returned to the underground storage tank by the outer ... | 11/08/2005 |
| 6937030 | Testing electrical integrity of electrically heated subsea pipelines Method is provided for testing electrically heated subsea pipelines that are “electrical-ready,” that is, equipped for applying electrical power when it is needed for heating the pipeline at any time during the life of the pipeline. Time domain reflectometer app... | 08/30/2005 |
| 6908260 | Receptable assembly and method for use on an offshore structure A receptacle 20 is removably secured to hull 12 of an offshore structure 10, and supports an elongate member 14, which may be a riser string, extending downward to the sea bed or to another structure. The elongate member 14 include... | 06/21/2005 |
| 6896077 | Rotary driven pipe-bursting tool An apparatus for bursting pipe is preferably adapted to receive rotational energy from the inner member of a dual-member drill string. In a preferred embodiment, an oscillating pipe-bursting member, driven by the interconnected inner members, cuts or bursts a subter... | 05/24/2005 |
| 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 minicable (1) used for this purpose comprises a ... | 03/15/2005 |
| 6854932 | Cable pulling apparatus A cable pulling apparatus for pulling a work load attached to a cable, including at least one cable-pulling device for engaging the cable. The cable-pulling device or devices each includes at least one cable-pulling member fitted with a cable-gripping element for pu... | 02/15/2005 |
| 6843619 | Apparatus able typically to transform a frame mounted on crawler tracks into a pipe playing machine An apparatus transforms a motorized frame mounted on crawler tracks and having a rotatable horizontal platform, into a pipeline laying machine or the like. A first structure is hinged to the platform on a horizontal axis at one end, at its other end, has a coupling ... | 01/18/2005 |
