| Patents for F16L 9 - Rigid pipes (18,006) |
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| 08/15/2002 | CA2594164A1 Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same |
| 08/14/2002 | EP1231423A1 Reinforced multi-walled pipe and method for its manufacture |
| 08/14/2002 | EP1231364A1 Exhaust gas duct of an engine having an air insulation layer |
| 08/14/2002 | CN2505674Y Reinforced four-layer stainless steel and plastic composited tube |
| 08/14/2002 | CN2505673Y Composite insulated tube |
| 08/14/2002 | CN2505672Y Nano-material filled reinforced thermal contraction double-layer tube |
| 08/14/2002 | CN2505671Y Improvement of plastic tube structure |
| 08/14/2002 | CN1364183A Colored resin composition for water pipe and colored water pipe |
| 08/13/2002 | US6433095 Stress resistance, noncracking; blends |
| 08/13/2002 | US6433087 Impact strength; toughness; wear resistance; corrosion resistance; water pipes |
| 08/13/2002 | US6431219 Coextruded tubing |
| 08/08/2002 | WO2002060683A1 Metallurgically bonded layered article having a curved surface |
| 08/08/2002 | US20020106483 Modified contoured crushable structural members and methods for making the same |
| 08/08/2002 | US20020106468 Shaped contoured crushable structural members and methods for making the same |
| 08/08/2002 | US20020104574 Coextruded tubing |
| 08/07/2002 | CN2504466Y 风管 Air hose |
| 08/07/2002 | CN2504465Y Composite steel pipe with stainless steel inner tube |
| 08/07/2002 | CN1088900C Multi-layer reinforced and stabilized cable construction |
| 08/06/2002 | US6428866 Multilayer plastic composition having an electrically conductive inner layer |
| 08/01/2002 | WO2002059017A1 Method for storing and transporting chloroformic esters |
| 08/01/2002 | US20020102373 Novel textile reinforced thermoplastic or thermoset pipes |
| 08/01/2002 | US20020102371 Novel textile reinforced thin-walled thermoplastic or thermoset medium pressure pipes |
| 08/01/2002 | US20020101003 Method of producing textile reinforced thermoplastic or thermoset pipes utilizing modified dorn structures |
| 07/31/2002 | EP0894103B1 Process for the preparation of creep-resistant polypropylene block copolymers |
| 07/31/2002 | CN2503291Y Composited thermal insulation pipe |
| 07/31/2002 | CN1361306A Petroleum casing resisting stress corrosion of H2S and its production process |
| 07/31/2002 | CN1361303A TP65 steel level petroleum casing and its manufacture |
| 07/31/2002 | CN1361197A Polypropylene composition for hot water pipe and its prepn |
| 07/25/2002 | WO2002057828A2 Flame retardant tubing for a bundle |
| 07/25/2002 | US20020097966 Flame retardant tubing bundle |
| 07/25/2002 | US20020096318 Cylindrical tube for industrial chemical installations |
| 07/25/2002 | US20020096225 Double-pipe-structure hollow member, method of manufacturing double-pipe-structure hollow member, and fluid treating system employing double-pipe-structure hollow member |
| 07/25/2002 | DE10102807A1 Use of containers and pipes lined with plastics for explosion safe storage and transport of chloroformic acid esters |
| 07/25/2002 | DE10102667A1 Verrohrung zur Arbeitsmedienversorgung im Innenbereich von Fahrzeugen Piping to work in the media supply interior of vehicles |
| 07/24/2002 | EP1225383A2 Coupling ring for ventilation ducts, and method of connecting ventilation ducts |
| 07/24/2002 | EP1224416A1 Conduit system |
| 07/24/2002 | EP0912318B1 Method for making a product to be extruded, and an extruder |
| 07/24/2002 | CN2502098Y Improved sealing spiral tube |
| 07/24/2002 | CN2502097Y Pipe with corrosion-proof lining |
| 07/24/2002 | CN2502096Y Polyolefin three-layer reinforcing compound pipe |
| 07/24/2002 | CN1359976A 聚酯模塑组合物 Polyester molding compositions |
| 07/23/2002 | US6423389 Electrodeposition of copper/or alloys, stainless steels and aluminum on metallic conduits to form protective devices for optical fibers |
| 07/23/2002 | US6422269 Multilayer plastic pipe and its use |
| 07/18/2002 | WO2002038670A3 Tubes obtained from a propylene polymer composition |
| 07/18/2002 | US20020094400 Multi-layer pressure pipe of a plastic material |
| 07/17/2002 | EP1223376A1 Piping system for supplying fluid in indoor areas of railway vehicles |
| 07/17/2002 | EP1223374A2 Pipeline system, especially for drainage of waste water in building installations |
| 07/17/2002 | CN2500885Y Iron plastic composite environmental protection pipe |
| 07/17/2002 | CN2500884Y Plastic lining aluminium pipe |
| 07/17/2002 | CN1359456A Hose |
| 07/17/2002 | CN1359455A Multi-purpose underground utility conduit system |
| 07/17/2002 | CN1358947A Nano antibacterial pipe material and making method thereof |
| 07/17/2002 | CN1358946A Double-metal composite pipe and making method thereof |
| 07/17/2002 | CN1358874A Rareearth containing tin brass pipe and making method thereof |
| 07/17/2002 | CN1087685C Method and apparatus for manufacturing an extruded plastic product |
| 07/10/2002 | EP1220969A1 Pipe system for device filtering and pumping water in a swimming pool |
| 07/10/2002 | CN2499664Y Polypropylene aluminium plastic composite pipe |
| 07/10/2002 | CN2499663Y Polypropylene aluminium plastic composite pipe |
| 07/10/2002 | CN2499662Y Silance crosslinking polyvinyl composite pipe having foamed heat insulation layer and screw winding steel wire |
| 07/10/2002 | CN2499661Y Anti-corrosion thermal insualtion composite pipe |
| 07/10/2002 | CN2499660Y Silance crosslink polyvinyl composite pipe having foamed heat insualtion layer |
| 07/10/2002 | CN2499659Y Inner lining stainless steel composite pipe material of zinc plated steel pipe |
| 07/10/2002 | CN2499508Y Self locking type pull thread sleeve |
| 07/10/2002 | CN1358214A Polyethylene molding material and pipe produced therewith improved mechanical properties |
| 07/04/2002 | WO2002052184A2 Insulated compound pipe |
| 07/04/2002 | WO2002042510A8 Cylindrical tube for industrial chemical installations |
| 07/04/2002 | WO2002004823A8 Coated contoured crushable structural members and methods for making the same |
| 07/04/2002 | DE10062424A1 Building drain water pipe ducting has connected pipe sections attached to building wall with insulation layer |
| 07/03/2002 | EP1219645A1 Polybutene resin and pipe material and pipe comprising the same |
| 07/03/2002 | CN2498433Y Multi-shield high temperature pipe |
| 07/03/2002 | CN2498432Y Plastic pipe with spring net |
| 07/03/2002 | CN1356751A Underground conduit tube for communication cable |
| 07/03/2002 | CN1356353A Poly-l-butylene resin composition and its usage |
| 07/02/2002 | US6413602 Pipes for conveying drinking water |
| 07/02/2002 | US6412521 Rigid line for a brake, fuel or hydraulic system in motor vehicles |
| 06/27/2002 | US20020079010 Double-shell pipeline exhibiting improved buckling strength |
| 06/27/2002 | DE10064336A1 Polyesterformmasse Polyester molding compound |
| 06/26/2002 | EP1217038A2 Polyester moulding composition |
| 06/26/2002 | EP1216826A2 Laminate with one EVOH layer |
| 06/26/2002 | EP1216376A1 Pipe for pipelines, especially for transporting corrosive or abrasive media |
| 06/26/2002 | EP0921921B1 Method for heating and/or cross-linking of polymers and apparatus therefor |
| 06/26/2002 | EP0755493B1 Multi layer tubing suitable for use in motor vehicles |
| 06/26/2002 | CN2497133Y Multi-layer composite tube |
| 06/26/2002 | CN2497132Y Double-wall corrugated pipe |
| 06/26/2002 | CN2497131Y Inner-coated stainless steel water-purifying pipe |
| 06/21/2002 | CA2365816A1 Polyester molding composition |
| 06/21/2002 | CA2329444A1 Pipe coating process |
| 06/20/2002 | DE10062272A1 Pipe production, comprises incorporating a silane group and cross linking polyolefins after the pipe has been assembled, and using a profiling tool to produce the complete pipe system |
| 06/19/2002 | EP1215239A1 Poly-1-butene resin composition and uses thereof |
| 06/19/2002 | EP1214542A1 Collapse resistant popoid connector |
| 06/19/2002 | EP1214457A1 Use of a stainless steel for umbilicals in seawaters |
| 06/19/2002 | CN2495880Y Direct connecting and reveted pressure air pipe without need of flange |
| 06/19/2002 | CN2495879Y Clamp for drawing tubes |
| 06/19/2002 | CN2495878Y Novel high strength composite tube |
| 06/19/2002 | CN2495877Y Composite water supply tube |
| 06/19/2002 | CN2495876Y Continuous high pressure plastic composite tube |
| 06/19/2002 | CN1354337A 聚合物管道 Polymer pipes |
| 06/18/2002 | US6406800 Bent pipe for passing therethrough a material containing solids |
| 06/18/2002 | US6405974 Ribbed core dual wall structure |
| 06/13/2002 | WO2002046654A1 Pipe or vessel with liner annulus venting construction |