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| Number | Title | Issue Date |
| 8074687 | Cryogenic transfer hose A flexible cryogenic transfer hose for connecting two cryogenic facilities, has a length of at least 20 m, and: an inner flexible hose with at least two segments, interconnected via at least two transverse inner connecting members,... | 12/13/2011 |
| 7913718 | Noise reduction system A noise reduction system for use with a DWV system to reduce the noise emitted from the DWV system when waste water flows through the DWV system. The noise reduction system includes a sleeve and a spacer. The noise reduction system is mounted on the pipes and fittin... | 03/29/2011 |
| 7647947 | Casing spacer A casing spacer includes a pair of generally semi-cylindrical metal shells disposed on opposed outer surface portions of a carrier pipe for securely maintaining the pipe in fixed, spaced relation from the inner surface of an outer casing. Opposed ends of the shells ... | 01/19/2010 |
| 7341686 | Device for arresting the propagation of a buckle in a double-walled pipe Device for arresting the propagation of a buckle in a double walled pipe. The device comprising an outer pipe wall having a defined external diameter and placed around an inner pipe wall, defining an annular space between the said outer and inner walls; provi... | 03/11/2008 |
| 7335082 | Bubble generating device A bubble producing device has at least one loop, with each loop having a cylindrical wall having an interior channel, a top edge and a bottom edge. A flared edge extends at an angle with respect to the cylindrical wall from a portion of the bottom edge. A connector ... | 02/26/2008 |
| 7322378 | Semiconductor apparatuses and pipe supports thereof A semiconductor apparatus with a modified pipe support. The apparatus comprises an outer pipe, an inner pipe, and a pipe support. The support comprises a seat and a support ring. The seat comprises a tubular portion for supporting an outer pipe at a top end. The sup... | 01/29/2008 |
| 7322380 | Pipe insulation coupling A pipe insulation coupling for coupling adjacent facing ends of elongated cylindrical pipe insulation tubing encased around a fluid pipe includes an elongated body extending longitudinally between a first end and a second end. The elongated body includes a pair of C... | 01/29/2008 |
| 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 |
| 7316246 | Hose assembly A hose assembly comprising a flexible hose and at least one co-extending flexible member. The hose and the member are secured together for tandem movement by means of at least one intermediate resilient mounting means. In operation tension and/or compression induced... | 01/08/2008 |
| 7302972 | Thermo-insulated flexible tubing A water supply line includes a cylindrical and ductile outer tube that has a centrally aligned axis. An inner tube is concentrically spaced about the axis of the outer tube and has a length coextensively sized therewith. The inner tube is equidistantly spaced inward... | 12/04/2007 |
| 7278613 | Pipeline skid and a skid system for use in pipeline construction The present invention comprises a skid that includes at least one stackable pedestal having a continuous wall, the continuous wall enclosing an opening that extends from a first pedestal end to a second pedestal end. The stackable pedestal includes at least two supp... | 10/09/2007 |
| 7264280 | Flexible tube for an exhaust pipe of an automobile A flexible tube for an exhaust pipe for an automobile includes a bellows member (10) corrugated to have alternate ridges (11) and furrows (12) along its outer periphery; outer braids (20) provided to enclose the bellows member (10)... | 09/04/2007 |
| 7234492 | Double-sheath pipe for transporting fluids, provided with a device for limiting propagation of a buckle of the outer tube and method for limiting propagation The invention concerns a double-sheath rigid pipe for transporting hydrocarbons consisting of two respectively inner (2) and outer (3) coaxial tubes separated by an annular gap (5), said pipe being adapted to be wound and comprising a device lim... | 06/26/2007 |
| 7225837 | Casing spacer with joint restraint An integrated casing spacer and joint restraint unit is attached to each of a pair of pipe sections adjacent to an end-to-end connection of the pipe sections by means of first and second spacer/retainer ring members. Disposed on the outer periphery of each ring memb... | 06/05/2007 |
| 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 |
| 7210504 | Assembly and method for stiffening a flexible pipe An assembly and method for stiffening a flexible member according to which a stiffening member and an adapter surround the flexible member and an insert extends in an annulus between the adapter and the flexible member. ... | 05/01/2007 |
| 7185677 | Helical formation for a conduit A helical formation (2) for a conduit (1). The helical formation (2) comprises an elongate member defining at least a portion of a helix, the elongate member comprising two inwardly extending portions (6, 7). The inwardly extending portio... | 03/06/2007 |
| 7166177 | Method for forming double containment pipeline sections Methods for forming double containment pipeline sections are provided where granular material is used to define the annuluses of such pipeline sections. ... | 01/23/2007 |
| 7159377 | Powered appliance and accessory A powered appliance includes a working member, a handle operably coupled to the working member and a control movable between a first position proximate the handle in which movement of the working member is permitted and a second position distant the handle in which ... | 01/09/2007 |
| 7156126 | Pipe insert and pipe assembly formed therewith A synthetic resin pipe insert for insertion in an existing pipe or for use in the manufacture of new pipe to form a multi-channel pipe. The insert has a curved cross sectional configuration which defines a segment of a circle with a convexly curved radially outer wa... | 01/02/2007 |
| 7152700 | Dual wall drill string assembly A coil tubing or jointed dual wall drill string assembly for subsurface drilling. The drill string assembly includes a metallic outer tube having an outer tube first end and an outer tube second end opposite the outer tube first end. The assembly also includes a fle... | 12/26/2006 |
| 7140859 | Apparatus for making a multi-walled tubular structure This specification describes an apparatus for carrying out a method of making a multi-walled pipe in the shape of a tube having a helical configuration. The apparatus is made up of an extruder with multiple dies. These multiple dies include at least two concentric a... | 11/28/2006 |
| 7134514 | Dual wall drill string assembly A dual wall drill string assembly for subsurface drilling. The drill string assembly includes a metallic outer tube having an outer tube first end and an outer tube second end opposite the outer tube first end. The assembly also includes a flexible, substantially no... | 11/14/2006 |
| 7069958 | Assembly and method for stiffening a flexible pipe An assembly and method for stiffening a flexible member according to which a stiffening member and an adapter surround the flexible member and an insert extends in an annulus between the adapter and the flexible member. ... | 07/04/2006 |
| 7069957 | Thermal insulation device for at least one underwater pipe compressing sealed partitions The present invention concerns a device for heat-insulating at least one sub-marine pipe. The sub-marine pipe includes a heat insulation covering including a material subject to migration, the covering surrounding the pipe and being covered by a sealed protective en... | 07/04/2006 |
| 7059353 | Power steering noise and vibration attenuator A noise and vibration attenuator for a power steering hose is disposed on the flexible tubular portion of the hose. The damper is operable to attenuate noise or vibration found in the hose and includes a cylindrical main body having a central bore on the longitudina... | 06/13/2006 |
| 7028717 | Water stop for a loop installation in a pre-insulated pipeline A high temperature pre-insulated piping system is shown which has a special water stop located along the length of the piping. The water stop has an internal disk which forms a pair of isolated chambers within the water stop. The internal disk is formed of a materia... | 04/18/2006 |
| 7028715 | Heated drain line apparatus A drainage device and method of decreasing clogging in a drain pipe comprising heating the drain pipe with a heating element that is partially enclosed. ... | 04/18/2006 |
| 7021338 | Separated sanitary and storm sewer system An apparatus and method for improving the operation of sewer systems includes a first set of sewer lines connected to a source of other water and a second set of sewer lines of smaller diameter than the first sewer lines connected to sources of sanitary effluent, th... | 04/04/2006 |
| 7011115 | Insulated pipe structure and methods of making such structures An insulated pipe structure suitable for use in an undersea pipeline comprises, intermediate its ends, an inner pipe (11) for serving as a conduit for fluid flowing through the pipe structure, thermally insulating material (3) extending around the inne... | 03/14/2006 |
| 7007720 | Exhaust tip An exhaust tip for attachment to a tailpipe that includes a thermoset heat shield at least partially surrounding and fastened to the tailpipe, and a thermoplastic decorative cover at least partially surrounding and fastened to the thermoset heat shield. The thermose... | 03/07/2006 |
| 7000390 | Stirling cycle engine or heat pump with improved heat exchanger A Stirling cycle machine heat exchanger and a method for making the heat exchanger including, forming an annular ring of a solid heat conductive mass, the annular ring having a central axis and having axially opposite faces. A plurality of passages are drilled throu... | 02/21/2006 |
| 7000644 | Flexible hose A flexible hose for use as a refrigerant passageway in a vehicular refrigerating cycle has an inner hose and an outer hose. The outer hose covers the inner hose with a space formed in a given distance. The outer hose and the inner hose are formed of resin having fle... | 02/21/2006 |
| 6983766 | Lined pipe wherein the liner comprises a one-way valve A pipe for the transport of fluids, which pipe is internally provided with a liner, wherein the liner is provided with at least one non-return valve arranged in the liner wall, wherein the non-return valve has an inlet end arranged near the outer surface of the line... | 01/10/2006 |
| 6981525 | Tubular insulating apparatus and method A tubular insulating apparatus (10) for insulating a first tubular (8) within a second tubular (20) for use in the oil and gas exploration and production industry. An inner insulating member (4) surrounds the outer circumference of a pipe... | 01/03/2006 |
| 6978807 | Water stop for a line installation in a pre-insulated pipeline A high temperature pre-insulated piping system is shown which has a special water stop located along the length of the piping. The water stop has an internal disk which forms a pair of isolated regions within the water stop. The internal disk is formed of a material... | 12/27/2005 |
| 6978825 | Device and process for the heat insulation of at least one underwater pipe at great depth The present invention relates to a device for the heat insulation of at least one underwater pipe (1) intended to be laid on the sea bed at great depth, comprising an insulating coating surrounding the latter and a protective envelope (3), characterize... | 12/27/2005 |
| 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 |
| 6949410 | Flip chip in leaded molded package and method of manufacture thereof A chip device that includes a leadframe, a die and a mold compound. The backside of the die is metallized and exposed through a window defined within a mold compound that encapsulates the die when it is coupled to the leadframe. Leads on the leadframe are coupled to... | 09/27/2005 |
| 6935376 | Enhancement of profiled tubular lining systems by channel augmentation A tubular system made up of a tubular, a liner in the tubular, and longitudinally oriented members, which may be disposed within channels in the liner. The members advantageously may be used for pulling a liner into a host tubular, and/or maintaining the structural ... | 08/30/2005 |
