| Patents for F16L 9 - Rigid pipes (18,006) |
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| 05/30/2006 | US7052751 fuel transport tube with decreased fuel vapor permeability; an inner conductive nylon layer, a thin aluminum barrier, outer nonconductive thermoplastic resin layer |
| 05/30/2006 | US7051768 Hydroform process and hydroform product |
| 05/26/2006 | WO2006054731A1 Steel pipe with resin lining and process for producing the same |
| 05/26/2006 | WO2006053742A2 Plastic tube |
| 05/26/2006 | WO2006053468A1 Magnetic fuel oil cracking processor with same poles opposed |
| 05/25/2006 | US20060108066 Conduit and method of forming |
| 05/25/2006 | US20060108017 Multiple pipe, method of manufacturing the multiple pipe and device for manufacturing multiple pipe |
| 05/25/2006 | US20060108016 Resin-lined steel pipe and method for production thereof |
| 05/25/2006 | US20060107835 Air conducting channel |
| 05/24/2006 | EP1658174A1 Pipe with inner and outer layers formed from fluoropolymers |
| 05/24/2006 | DE102005052536A1 Connecting device, which connects the tip end of a stoneware pipe with an effluent prefabricated component made from concrete in an effluent channel system |
| 05/24/2006 | DE102004054327A1 Corrugated thermoplastic tubing useful in sewer systems comprises an inner tube bonded to a corrugated outer tube comprising a first section connected to a thicker curved second section by flanks |
| 05/24/2006 | CN2783089Y Glass fibre reinforced plastic pipe with metal surface |
| 05/24/2006 | CN2783088Y Steel base composite pipe for preventing drilling to take oil |
| 05/24/2006 | CN2783087Y Pipe with installation mark layer and relative accessory |
| 05/24/2006 | CN1775848A Hot-water pipe material |
| 05/23/2006 | US7047616 Method of manufacturing and laying a plurality of elongate elements to the outside of a core element |
| 05/18/2006 | WO2006018251A3 Composite tube, method of production for a composite tube and use of a composite tube |
| 05/18/2006 | WO2006016190A3 Improvements in tubular bodies and methods of forming same |
| 05/18/2006 | US20060103050 Thermoplastic sheet forming apparatus and method |
| 05/18/2006 | US20060102242 Elbow for a conduit |
| 05/18/2006 | US20060102239 Fluid flow control device |
| 05/18/2006 | DE102004054390A1 Coupler, useful e.g. in vehicles and airplanes, comprises polymer material composition based on partial-crystalline polyamide comprising partially-crystalline polyamide, boundary surface-active substance and active component |
| 05/17/2006 | EP1346175B1 Insulated compound pipe |
| 05/17/2006 | CN2781145Y Double wall spiral tube |
| 05/17/2006 | CN2781144Y Multifunction combined composite air-pipe |
| 05/17/2006 | CN2781143Y Seamless metal pipe without gap and within glass |
| 05/17/2006 | CN1774603A Ventilation duct |
| 05/17/2006 | CN1773154A Double-wall pipe, and refrigerant cycle device use the same |
| 05/17/2006 | CN1773153A A non-seam liner glass steel pipe and assembling method |
| 05/17/2006 | CN1773152A Pipe having enlarged and reduced diameters, and ejector using thereof |
| 05/17/2006 | CN1772409A Method and apparatus of manufacturing grooved pipe, and structure thereof |
| 05/17/2006 | CN1256532C Equipment and method for producing enhanced multiple pipes for coal mines |
| 05/17/2006 | CN1256382C Polyester moulding composition |
| 05/16/2006 | US7044537 Air duct assembly |
| 05/16/2006 | US7044171 Exterior ductwork system |
| 05/16/2006 | US7044170 provides protection from corrosion for the steel members, including stranded tendons, cables and solid bars, that are utilized in post-tensioned concrete, by substantially suppressing the formation of bleed water pockets due to capillary wick |
| 05/16/2006 | US7044169 Pipe body and forming method of the same |
| 05/11/2006 | US20060096652 Insulating panel for supply duct |
| 05/11/2006 | US20060096314 Double-wall pipe and refrigerant cycle device using the same |
| 05/11/2006 | US20060096302 Use of Z-pipes in a liquid hydrogen tank |
| 05/11/2006 | DE19860259B4 Vortriebsrohrleitung Jacking pipe |
| 05/10/2006 | EP1125078B1 Vacuum insulated pipe |
| 05/10/2006 | CN2779198Y Steel-plastic composite pipe for concrete pumping machine |
| 05/10/2006 | CN2779197Y Tertiary composite abrasion-resistant lining pipe |
| 05/10/2006 | CN2779196Y Prestressed concrete submarine oil pipe |
| 05/10/2006 | CN2779195Y A double-wall corrugated pipe |
| 05/10/2006 | CN1255639C Metal pipe and its production method |
| 05/10/2006 | CA2526332A1 Thermoplastic corrugated pipe |
| 05/09/2006 | US7040351 Plastic tube, especially a pneumatic tube |
| 05/09/2006 | US7040294 Fuel piping |
| 05/04/2006 | WO2006047776A2 Marine umbilical comprising hydrolysis resistant polyamides |
| 05/04/2006 | WO2006047774A1 Multilayered pipes comprising hydrolysis resistant polyamides |
| 05/04/2006 | WO2006047375A1 Composite pipes and method making same |
| 05/04/2006 | DE102004048414A1 Element set comprises tubular pieces and tube connectors for forming protective pipes for protecting e.g. insulated cables |
| 05/04/2006 | CA2582369A1 Marine umbilical comprising hydrolysis resistant polyamides |
| 05/04/2006 | CA2582330A1 Multilayered pipes comprising hydrolysis resistant polyamides |
| 05/03/2006 | EP1293269B1 Device and method for manufacturing soft metal tubes |
| 05/03/2006 | CN2777322Y Water-saving type water delivery tube for hot water |
| 05/03/2006 | CN2777321Y Copper-aluminium composed pipeline structure parts for refrigeration system |
| 05/03/2006 | CN2777320Y Bimetallic composite tube |
| 05/03/2006 | CN1766393A Ductwork for gas and liquid in fuel cell |
| 05/03/2006 | CN1254623C Method for preparing shaped helix tube made of carbon-carbon composite material |
| 05/03/2006 | CN1254362C Conductive multilayer gasoline conveying pipe based on polymeric amide and EVOH |
| 05/02/2006 | US7037977 Polyethylene pipe resins and production thereof |
| 05/02/2006 | US7036531 System for thermally insulating tubular bodies |
| 05/02/2006 | CA2214493C Method and apparatus for producing helically wound lock-seam tubing |
| 04/27/2006 | WO2006043051A1 Shower arrangement |
| 04/27/2006 | US20060086402 Multilayer resin pipe |
| 04/27/2006 | US20060086401 Resin pipe |
| 04/27/2006 | DE102004050520A1 Kanalrohr, insbesondere Vortriebsrohr Sewer pipe, especially jacking pipe |
| 04/27/2006 | DE102004031756B4 Chamfering device for pipe used as gas pipe forms flat ramp having protruding edge around pipe |
| 04/27/2006 | CA2584706A1 Shower arrangement |
| 04/26/2006 | EP1650025A1 Multi-layer resinous tube and multi-layer resinous container |
| 04/26/2006 | EP1650006A2 Method for manufacturing pipes with external axial grooves |
| 04/26/2006 | CN2775441Y Novel steel-plastic composite screw corrugated pipe |
| 04/26/2006 | CN2775440Y Artificial prefabricated arbitrary size and shape concrete pipe |
| 04/26/2006 | CN2775439Y Steel-graphite composite material lining pipe |
| 04/26/2006 | CN1764800A Fiber reinforced pipe |
| 04/26/2006 | CN1763405A Electric lead tracing thermal-insulating composite pipe |
| 04/26/2006 | CN1253310C Thermoplastic multi-layer composites |
| 04/25/2006 | US7035746 Method of judging hydrogen embrittlement cracking of material used in high-temperature, high-pressure hydrogen environment |
| 04/25/2006 | US7032621 High temperature line expansion installation with release agent |
| 04/20/2006 | US20060084331 Buoyancy control systems for tubes |
| 04/20/2006 | DE202004019464U1 Plastic pipe, in particular, corrugated plastic pipe with at least one layer of a low-duty plastic material comprises at least one reinforcement and/or connector section containing at least one layer of a high-duty material |
| 04/20/2006 | DE202004019463U1 Plastic tube for windscreen and/or headlight cleansing fluids, comprises a corrugated section and at least one connection region |
| 04/20/2006 | DE102004025135B4 Verfahren und Anordnung zur Leckagevorwarnung und Bauteilpositionierungsanzeige bei Muffenverbindungen Method and apparatus for Leckagevorwarnung and component positioning display at socket connections |
| 04/19/2006 | EP1646500A1 Nylon composite articles of manufacture and processes for their preparation |
| 04/19/2006 | CN2773447Y Anticorrosive and abrasion-resistant composite oil pipe |
| 04/19/2006 | CN2773446Y Steel plastic composite pipe |
| 04/19/2006 | CN2773445Y Hot melten steel plastic composite pipe |
| 04/19/2006 | CN2773444Y Reinforced-spinning corrugated pipe |
| 04/19/2006 | CN2773440Y Self-locking continuous winding pipe extender with hot melt buckling connection |
| 04/19/2006 | CN1760579A Pipeline system for liquid and gas of fuel cell |
| 04/19/2006 | CN1760015A Technique for steel-plastic composite tube enhanced by antistatic flame retardant Nano fibers |
| 04/19/2006 | CN1252406C Super length metallic tubes and its mfg. method |
| 04/18/2006 | US7029356 Buoyancy control systems for tubes |
| 04/13/2006 | US20060076071 Open-channel plastic extrusion apparatus and method |
| 04/13/2006 | DE19715327B4 Verfahren zum Ausbilden eines Wulstes an einem Muffenrohrende A method of forming a bead on a sleeve pipe end |
| 04/12/2006 | EP1645409A1 Laminate comprising a polyester type protective layer |