| Patents for F16L 9 - Rigid pipes (18,006) |
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| 09/21/2005 | EP1577077A2 Piping made of steel mesh reinforced plastic composite pipe and method for making the pipe |
| 09/21/2005 | CN1671545A Polyolefinic pipe having a chlorinated polyolefinic hollow core |
| 09/15/2005 | WO2005085702A1 A gas transfer hose |
| 09/15/2005 | WO2005085695A1 A thin wall stainless-steel pipe with thread ends and the method of making the same |
| 09/15/2005 | US20050200121 Double pipe forked part structure and method of making the same |
| 09/15/2005 | US20050199293 Manifold for selectively dispersing multiple fluid streams |
| 09/15/2005 | DE10358308B4 Holhlkammerrohr Holhlkammerrohr |
| 09/14/2005 | EP1574773A2 Y-shaped branching pipe of a bouble walled pipe and method of making the same |
| 09/14/2005 | EP1574772A1 A crosslinked ethylene polymer pressure pipe and a method for the preparation thereof |
| 09/14/2005 | EP1573243A2 Collapse tolerant flexible pipe and method of manufacturing same |
| 09/14/2005 | EP1572801A1 Molding compositions made from a high-molecular-weight propylene polymer |
| 09/14/2005 | CN2725681Y Continuously reinforced plastic composite pipe with heating function |
| 09/14/2005 | CN2725680Y Winding shaped double wall corrugated pipe having metal skeleton reinforcing body |
| 09/14/2005 | CN1667035A Material for drawing out methane polyethylene pipe for mining |
| 09/08/2005 | US20050196570 High performance composite tubular structures |
| 09/08/2005 | DE202005009483U1 Component for forming of tubular-form connecting passage has set of first connecting devices, especially slots, provided along first edge, and set of second connecting devices, especially tabs, provided along second edge |
| 09/08/2005 | DE202004006812U1 Mehrschichtiges Rohr Multilayer pipe |
| 09/08/2005 | DE10393015T5 Rohr, Verfahren und Einrichtung zur Verbesserung von Rohrleitungen und ähnlichen Objekten Tube method and means for improvement of pipelines and similar objects |
| 09/08/2005 | DE102004007762A1 Concrete pipes for transporting aggressive materials have end rings made from polymer concrete and internal polymer concrete lining |
| 09/07/2005 | EP1571382A1 Concrete pipe with corrosion-resistant lining |
| 09/07/2005 | CN2723803Y Composite ventilation pipe |
| 09/07/2005 | CN2723802Y Anti-ultraviolet anti-aging outdoor water heater connection special tube |
| 09/07/2005 | CN2723801Y Flexible interface tongue-and-groove steel reinforced concrete pipe capable of simultaneously using for grooving and jacking method |
| 09/07/2005 | CN1665868A Polypropylene compositions especially for pipes |
| 09/07/2005 | CN1665672A Method and device for producing a hollow body by rotation and resulting products |
| 09/06/2005 | US6940054 Production/injection line and methods relating to same |
| 09/06/2005 | US6939424 Method of making a spirally-wound tube |
| 09/06/2005 | US6938933 Corrugated plastic pipe sections having flanged ends and structurally tight joints thereof |
| 09/01/2005 | WO2005080077A2 Plastics pipe |
| 09/01/2005 | US20050191509 Cold finished seamless steel tubes |
| 09/01/2005 | US20050189763 Concrete pipe with a corrosion-resistant inner lining |
| 09/01/2005 | US20050189031 Vehicle exhaust system hose and coupling assembly |
| 09/01/2005 | DE10358820B4 Multilayered compound pipe with an inner and outer plastic pipes and an intermediate metal pipe comprises a reserve zone for diffused water vapor set into the outer surface of the metal pipe |
| 09/01/2005 | DE102004005310A1 Split cylinder tube as protective cover for electrical cables in motor vehicles has projections on opposite edges of slit held together by separate gripper |
| 09/01/2005 | CA2554042A1 Plastics pipe |
| 09/01/2005 | CA2492396A1 A concrete pipe with a corrosion-resistant inner lining |
| 08/31/2005 | EP1568437A2 Electro-optical removal of plastic layer bonded to metal tube |
| 08/31/2005 | EP1567582A1 Fluoropolymer composition for rotolining of the interior surface of a hollow article |
| 08/31/2005 | EP1451497B1 Plastic tube, especially a pneumatic tube |
| 08/31/2005 | EP1144893B1 Pressurized fluid pipe |
| 08/31/2005 | CN1662560A Polymerization process |
| 08/31/2005 | CN1217119C Special plastic compound pipe with reliable connection and seal |
| 08/25/2005 | US20050183785 Fiber reinforced pipe |
| 08/24/2005 | EP1566587A1 Diffusion tight plastic tube |
| 08/24/2005 | CN2720228Y Bent ceramic lining steel-pipe |
| 08/24/2005 | CN2720227Y Co-extruded anti-bacteria pipe material |
| 08/24/2005 | CN1659400A Coupling assembly and method |
| 08/24/2005 | CN1659025A Resin-coated steel pipe excellent in mechanical strength such as sliding property |
| 08/24/2005 | CN1658915A Flow adaptive aspiration tubing and devices |
| 08/24/2005 | CN1657813A Multipurpose inner triangle-shaped pipe |
| 08/24/2005 | CN1215914C Technical method for hardness adhibition wall steel and stainless steel liner tube and special equipment |
| 08/23/2005 | US6933347 Tubes obtained from a propylene polymer composition |
| 08/23/2005 | US6933028 Fire-resistant fuel transport pipe |
| 08/18/2005 | WO2005075121A1 Cold-finished seamless steel pipe |
| 08/18/2005 | US20050181162 Polymeric pipes made from blends of polyolefins and vinyl alcohol polymers |
| 08/18/2005 | DE202005008990U1 Fluid carrying pipe, especially heat exchanger pipe, is assembled from individual pipe segments which differ from one another with regard to at least one parameter and/or characteristic |
| 08/17/2005 | EP0993372B1 Multilayer structure based on polyamides and tube or conduit with multilayer structure |
| 08/17/2005 | CN1654871A Abrasion proof pipe with ternary composite material as liner and preparing technique thereof |
| 08/17/2005 | CN1214873C Device and method for manufacturing soft metal tube |
| 08/12/2005 | CA2497005A1 Manifold for selectively dispersing multiple fluid streams |
| 08/11/2005 | US20050173919 Coupling assembly and method |
| 08/11/2005 | US20050173012 Coated pipes for conveying oil |
| 08/11/2005 | US20050173011 Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluids |
| 08/11/2005 | DE102004004519A1 Connector for joining corrugated pipes has a soft, elastically deformable plastic covering for surrounding the end of the pipes to be joined and a harder plastic bushing that slides over the inner covering |
| 08/10/2005 | EP1562005A1 Corner piece-less duct, method of producing the same, and duct-forming machine |
| 08/10/2005 | EP1561570A1 Method for manufacturing a composite pipe with at least one extruded tubular part made up of polymeric material crosslinked by infrared |
| 08/10/2005 | CN2716618Y High power seamless plastic air duct |
| 08/10/2005 | CN1651231A Method for manufacturing a composite pipe with a tubular wall, this wall comprising at least one extruded tubular part made up of polymeric material |
| 08/10/2005 | CN1213856C Multi-layered pipe |
| 08/10/2005 | CN1213851C Method for producing moulded product with excellent blocking performance |
| 08/09/2005 | US6926924 covering the metal layer with an elastic rubber layer, if required; and after masking a specific portion of the metal layer, forming a thermoplastic resin layer thereon by powder or spray coating; corrosion resistance at ends; fluid impermeability |
| 08/09/2005 | US6926069 Method for manufacturing a double-walled heat exchanging tube with leak detection |
| 08/09/2005 | US6926037 Collapse tolerant flexible pipe and method of manufacturing same |
| 08/04/2005 | WO2005070671A2 Multilayer pipe |
| 08/04/2005 | WO2005070668A1 Hollow composite body of fiber reinforced thermoplastic material |
| 08/04/2005 | US20050167982 Corrugated plastic pipe sections having flanged ends and structurally tight joints thereof |
| 08/04/2005 | US20050167892 Method for manufacturing a composite pipe with a tubular wall, this wall comprising at least one extruded tubular part made up of polymeric material |
| 08/04/2005 | DE102004001109A1 Fluid pipeline for motor vehicle e.g. car, has connecting pipe with plastic and metal coatings, and elastic tube slipped over pipeline through bulging and fastened with vehicle`s collar behind bulging |
| 08/03/2005 | EP1559537A1 Multilayer plastic pipe with barrier properties |
| 08/03/2005 | EP1131180A4 Bonding of steel strips in steel strip laminate pipe |
| 08/03/2005 | CN2714926Y General purpose steel-plastic composite pipe |
| 08/03/2005 | CN2714925Y Plastic pipe with oxidation prevention layer |
| 08/03/2005 | CN2714924Y Improved structure of composite material pipe fitting |
| 08/03/2005 | CN2714648Y Twisted corrugated pipe |
| 08/03/2005 | CN2714647Y Reinforced twisted pipe |
| 08/03/2005 | CN1648508A Steel-plastic composite pipe |
| 08/03/2005 | CN1648506A Super large caliber centripetal stress high pressure water transport pipe and its preparing process |
| 08/03/2005 | CN1648505A Large caliber oblique stress high strength water transport pipe and its preparing process |
| 08/02/2005 | US6923900 Alloy pipes and methods of making same |
| 07/28/2005 | WO2005068737A1 Pipe for transporting water to be rendered drinkable, installation, and corresponding method and use thereof |
| 07/28/2005 | WO2005008116A3 System and method for coupling conduit |
| 07/28/2005 | WO2004027303A3 Duct fastseam |
| 07/28/2005 | US20050163956 reinforcing wire rod wound helically on outer surface of tube wall, formed of non-vinyl chloride based crystalline resin selected from polypropylene, polyethylene, polyethylene terephthalate, polytetrafluoroethylene, polyacetal, polyamide; reducing air-bubble generation by devising shape of wire rod |
| 07/28/2005 | US20050161102 Collapse tolerant flexible pipe and method of manufacturing same |
| 07/28/2005 | US20050161101 Highly kink-resistant corrugated tubing |
| 07/28/2005 | DE4323838B4 Verfahren zur Herstellung eines mehrschichtigen Leitungsrohres A method for producing a multilayer conduit |
| 07/28/2005 | DE202004003139U1 Betonrohr mit korrosionsfester Innenauskleidung Concrete pipe with corrosion-resistant inner lining |
| 07/27/2005 | EP1556442A1 Polymeric pipes and liners and fuel lines made from blends of fluoropolymers and polyamides |
| 07/27/2005 | EP0964768B1 Electro-optical removal of plastic layer bonded to a metal tube |
| 07/27/2005 | CN2713270Y Large diameter plastic drain pipe formed by hollow wall coil winding |