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| Number | Title | Issue Date |
| 7571745 | Exhaust-gastight decoupling element from stripwound hoses For connection of exhaust system pipe work, which is subject to vibration, a typical example of an application being in vehicle exhaust systems, a gas-tight decoupling element produced from stripwound hoses is used, which consists of two coaxially arranged, multi-la... | 08/11/2009 |
| 7559343 | Insulation module for vessels Described is an insulation module (1) for a vessel (2) used in a chemical plant. The module may take the form of a panel having an outer surface layer (3) and an insulation layer (5) secured to the outer surface layer (3). Mounting... | 07/14/2009 |
| 7441602 | Flowline insulation system A method of controlling the heat transfer properties of a sub-sea conduit having inner and outer walls (800, 802) and a gas-permeable space (804) between the walls providing thermal insulation, the method comprising varying the pressure of a gas within... | 10/28/2008 |
| 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 |
| 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 |
| 7305837 | Cryogenic piping system A method for improving the insulation characteristics of a cryogenic piping system wherein an insulation volume defined by a jacket coaxial to an inner pipe is evacuated to a moderate vacuum and then filled with a condensable gas in one or more evacuation and fillin... | 12/11/2007 |
| 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 |
| 7275565 | Multi-conduit, multi-nozzle fluid distributor An apparatus for distributing a fluid is disclosed. The apparatus comprises a plurality of conduits and outlet ports that are capable of providing improved distribution of fluids. One or more conduits are arranged within a single conduit, which provides a compact an... | 10/02/2007 |
| 7257927 | Three-piece frame assembly for window of enclosure Frames are disclosed for mounting windows within the walls of enclosures for isolating or sealing substances such as radioactive or other hazardous substances from the surrounding environment. In a first embodiment of the present invention, a window assembly include... | 08/21/2007 |
| 7238317 | Method of continuously producing a twin-wall pipe with a ventilation zone between a socket and an adjacent elevation A twin-wall pipe comprises an internal pipe and an external pipe. The external pipe is corrugated, having elevations and troughs. The twin-wall pipe is further provided with a socket. In a transition portion towards the twin-wall pipe and the socket, provision is ma... | 07/03/2007 |
| 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 |
| 7232597 | Corrugated polyamide tube A corrugated polyamide tube composed of a corrugated outer tube layer of polyamide resin and a flat inner tube layer fixed to the outer tube layer at bottom portions thereof, in which the inner tube layer is made essentially of a polyetheramide elastomer. ... | 06/19/2007 |
| 7213630 | Method and apparatus for producing an RF cured hose, and the hose so produced An apparatus for making a hose including a weaving machine and a liner feeder for forming the hose by weaving a jacket about a liner as the liner is being fed into the weaving machine, where the liner is provided with an adhesive layer on an outer surface, the adhes... | 05/08/2007 |
| 7201182 | Lined valve A modular lining system for a valve body for use in fluid handling systems including fluid transport tankers, and a method for lining a valve body using the modular lining system. The lining system is slidably inserted into the valve body to protect the valve body f... | 04/10/2007 |
| RE39521 | Ribbed core dual wall structure An elongated composite tube made up of an inner tube 42 and an outer tube 44 (FIG. 3) with a plurality of elongated helical ribs disposed between the inner tube and the outer tube in a supporting relationship to both. A slinky like toy made from... | 03/20/2007 |
| 7168480 | Off-axis cooling of rotating devices using a crank-shaped heat pipe The present invention is a crank-shaped heat pipe for cooling rotating machinery and a corresponding method of manufacture. The crank-shaped heat pipe comprises a sealed cylindrical tube with an enclosed inner wick structure. The crank-shaped heat pipe includes a co... | 01/30/2007 |
| 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 |
| 7134455 | Insulator apparatus for vacuum insulated tubing An insulating apparatus for use with vacuum insulated tubing sting to reduce heat loss through the joints, where the apparatus includes an insulator adapted to surround the joint and a latching joint protector adapted to surround the insulator and hold the insulator... | 11/14/2006 |
| 7093619 | Vacuum-insulated pipe To provide a thermal insulation piping with no radially projecting part from a periphery thereof, so as to facilitate insertion of the thermal insulation piping into a pipeline or equivalent. In a thermal insulation tube 10 having a vacuum layer between an in... | 08/22/2006 |
| 7086418 | Paint conduit A paint conduit has a jacket surrounding an interior and a hose arranged in the interior of the jacket. At least one end member is attached to a first end of the jacket and secures a first end of the hose in the jacket. The at least one end member has an end member ... | 08/08/2006 |
| 7073625 | Exhaust gas muffler and flow director Either or both of an exhaust pipe coupled to the output end of an automobile engine collector pipe or the plurality of pipes coupled to the input apertures of the collector pipe from the engine are apertured along their lengths and contained within a further surroun... | 07/11/2006 |
| 7059293 | Fuel saving combustion engine insulation method and system A method and apparatus for reducing fuel consumption in an internal combustion engine including gasoline, petrol and diesel engines used in trucks, cars and for pumps including the steps of providing a thermal insulation shield that includes reflective fabric over t... | 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 |
| 7025580 | Method and apparatus for lining a conduit Method and apparatus for installing a liner material into a host conduit such as, e.g., a sewer pipe, hydrocarbon pipeline, gas line, water line, industrial chemical pipe, or a saltwater line. The liner material may include a compression liner and/or a preliner that... | 04/11/2006 |
| 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 |
| 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 |
| 6998187 | Solid oxide fuel cells with novel internal geometry Fuel electrode-anode supported type solid oxide fuel cells (SOFC) comprise novel fuel electrode design with improved mechanical and electrochemical properties. The novel supporting anodes comprise a plurality of internal longitudinal elevations or bosses projecting ... | 02/14/2006 |
| 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 |
| 6959736 | Multilayer pipe and method for manufacturing one A multilayer pipe which comprises at least an inner layer and an outer layer. The inner layer is made of extrudable plastic, such as polyethylene PE, cross-linked polyethylene PEX or polypropylene PP. The outer layer forms a fire-protecting layer and the matrix plas... | 11/01/2005 |
| 6957542 | Fuel tank system A fuel tank body has a double-layer structure composed of an inner tank shell and an outer tank shell, so that an inter-tank-shell space is formed therebetween. Because heat of fuel in the fuel tank body is discharged into the inter-tank-shell space, the temperature... | 10/25/2005 |
| 6933028 | Fire-resistant fuel transport pipe A plastics material tube that is particularly resistant to fire, such that its wall is formed by a corrugated tube of flammable plastics material, by a smooth tube lining the outside of the corrugated tube and made of a plastics material that limits flame propagatio... | 08/23/2005 |
| 6926040 | Thermally insulated pipelines A thermally insulated pipeline assembly comprises an inner pipe surrounded by and spaced from a jacket, which is in turn surrounded by and spaced from an outer casing. The annular space between the inner pipe and the jacket is substantially filled with thermal insul... | 08/09/2005 |
| 6926039 | Flexible pipe for transporting a fluid A flexible pipe for transporting a fluid comprising an outer sealing polymer sheath, at least a pair of armor wraps helically and long-pitch wound, and a polymer pressure sheath. The pressure sheath consists of an inner tube arranged in an outer tube, and grooves ar... | 08/09/2005 |
| 6910506 | Exhaust pipe, and method of making an exhaust pipe An exhaust pipe includes first and second length portions, each having an outer pipe and an inner pipe positioned relative to one another to define an annular gap therebetween. The length portions are placed in confronting disposition with their adjacent first ends ... | 06/28/2005 |
| 6893733 | Modified contoured crushable structural members and methods for making the same Modified contoured crushable structural members and methods for making the same are described. The contoured structural members comprise composite or metal materials sandwiching a support or stabilizing structure. The structural members are made crushable by incorpo... | 05/17/2005 |
| 6883549 | Conduit for the transport of cyrogenic media A conduit for the transport of cryogenic media, in particular a superconducting cable, includes at least two metal pipes arranged concentrically and spaced apart from one another, an insulation layer being situated in the annular gap between the metal pipes and the ... | 04/26/2005 |
| 6883548 | Spacer for a long substrate A spacer for a long substrate in the interior of a long tube, with a superinsulation material being disposed between the substrate and the tube. The spacer includes two rings (3, 4) seated on the substrate (1) and spaced apart from each other at a long... | 04/26/2005 |
| 6854487 | Fluid conduit wall inhibiting heat transfer and method for making A fluid conduit wall enclosing a hollow interior for the flow of fluid includes an outer surface provided with a low emissivity coating having a coating emissivity of less than 0.2 and a thickness at least sufficient to provide the coating emissivity. One embodiment... | 02/15/2005 |
| 6848478 | Flexible tube A small-diameter part in the vicinity of a center of a bellows portion in an axial direction has a smaller diameter. A tip end of the small-diameter part contacts at a point A with an outer peripheral face of an interlock pipe. The interlock pipe vibrates with using... | 02/01/2005 |
