| Patents for F16L 9 - Rigid pipes (18,006) |
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| 09/30/2004 | WO2004083706A1 Tubing and piping for multiphase flow |
| 09/30/2004 | WO2004083705A1 Helical piping |
| 09/30/2004 | WO2004083703A2 Cross-linked thermoplastic tubing |
| 09/30/2004 | WO2004082533A1 Helical stent |
| 09/30/2004 | US20040191515 either a polypropylene or polyethylene copolymer mixed with sintered material of either polylpropylene or polyethylene, for use in the transportation of hydrocarbons between production and processing facilities |
| 09/30/2004 | US20040191452 pipes designed as flexible tubes comprising radial carrier and barrier layers, having spaced conductive segments containing carbon or metal chips, used as antistatic conduits for transportation of fluids such as fuels |
| 09/30/2004 | US20040187946 Manufacturing process and apparatus for making a helical rib tube |
| 09/30/2004 | DE10312700A1 Plastic pipe incorporates a metal layer in the form of a foil which has a longitudinal seam and is shaped as a bellows |
| 09/30/2004 | DE10311500A1 Rohr, insb. flexibles Kühlwasserleitungsrohr Tube, esp. Flexible cooling water pipe |
| 09/30/2004 | CA2519437A1 Helical stent |
| 09/30/2004 | CA2519013A1 Tubing and piping for multiphase flow |
| 09/30/2004 | CA2519011A1 Helical piping |
| 09/29/2004 | EP1463153A1 Method for grounding a coated metallic pipe and coated metallic pipe |
| 09/29/2004 | EP1462703A2 Tubular element comprising sectioning means |
| 09/29/2004 | EP1462701A1 Electrically conductive multilayer pipe |
| 09/29/2004 | EP1461558A1 Reinforced submarine pipeline and assembly of two coaxial pipelines comprising same |
| 09/29/2004 | EP1214457B1 Use of a stainless steel for umbilicals in seawaters |
| 09/29/2004 | EP1194712B1 Conduits and conduit elements for transporting flowable media |
| 09/29/2004 | EP1192216B1 Polyethylene molding material and pipe produced therewith having mechanical properties |
| 09/29/2004 | EP1182268B1 High strength, high toughness, seamless steel pipe for line pipe |
| 09/29/2004 | CN2644831Y Composite antibiotic stainless steel water pipe |
| 09/29/2004 | CN2644830Y Multiple-layer composite tubes |
| 09/29/2004 | CN2644829Y Composite plastic pipe |
| 09/29/2004 | CN2644828Y Antibiotic steel plastic composite tube |
| 09/29/2004 | CN2644827Y Water drain pipe |
| 09/29/2004 | CN2644826Y Butt-joint type double-walled corrugated pipe |
| 09/29/2004 | CN2644825Y Small angle intertwined glass reinforced plastic oil pipe |
| 09/29/2004 | CN2644824Y 复合塑料管 Composite plastic pipe |
| 09/29/2004 | CN1168597C Organic antibacterial composite aluminium-plastic pipe |
| 09/22/2004 | EP1381706B1 Method for production of endless plastic hollow profiles and corresponding profiles |
| 09/22/2004 | EP1201712B1 Colored resin composition for water pipe and colored water pipe |
| 09/22/2004 | CN2643120Y Hollow plastic section material for winding pipe |
| 09/22/2004 | CN2643119Y Improvement of PVC pipe structure |
| 09/22/2004 | CN2643118Y Glass reinforced plastic compound pipe fitting |
| 09/21/2004 | US6793997 Plastic molding having two or more layers and antistatic properties |
| 09/16/2004 | US20040181010 Polyethylene pipe resins and production thereof |
| 09/16/2004 | US20040178627 Double pipe and method of manufacturing the double pipe |
| 09/15/2004 | CN2641420Y Uniform dividing multi-hole and variable direction pipeline device |
| 09/15/2004 | CN2641419Y Hollow wall and wound pipeline |
| 09/15/2004 | CN2641418Y Honeycomb like, composition, multi-layer and spiral wound tube |
| 09/15/2004 | CN2641417Y Burst-proof water supply pipe with woven stainless steel wire net |
| 09/15/2004 | CN2641416Y Sprial plastic corrugated pipe used for prestressing force |
| 09/15/2004 | CN1529733A Polyolefin mulfilayer pipe |
| 09/15/2004 | CN1529732A Polyolefin coated steel pipes |
| 09/15/2004 | CN1529731A Industrial polyolefin piping system |
| 09/15/2004 | CN1529723A Propylene polymer pipes for pipelines |
| 09/15/2004 | CN1529080A Manufacture of flyash-glass tube and steel-pipe composited pipe |
| 09/15/2004 | CN1166508C Method of making spirally-wound tube |
| 09/14/2004 | US6789579 Expansion portion may consist of a groove in the hose casing when this is in an unexpanded state;4 distributed along the circumference of the hose casing, for satisfactory distribution of the pressure and/or shock |
| 09/14/2004 | CA2170579C Thermoplastic multilayer composites |
| 09/09/2004 | US20040176007 Woven composite fabric |
| 09/09/2004 | DE10210016B9 Wärmeaustauschrohr mit berippter Innenoberfläche Heat exchange tube with finned inner surface |
| 09/09/2004 | DE102004009119A1 Als Wandelement gestaltetes Klimatisierungselement As a wall element designed air-conditioning element |
| 09/09/2004 | DE102004009118A1 Rohr Tube |
| 09/08/2004 | EP1455012A1 Spacer element for an appliance |
| 09/08/2004 | EP1454087A2 Pipe insert and pipe assembly formed therewith |
| 09/08/2004 | EP1095102B1 Polymer composition for pipes |
| 09/08/2004 | CN2639654Y Reinforced tube of flyash and plastic |
| 09/08/2004 | CN1526981A Composite metal net reinforced superhigh molecule weight polyethylene GRP pipe |
| 09/07/2004 | US6787491 Woven composite fabric |
| 09/07/2004 | US6787207 Multi-layer pressure pipe of a plastic material |
| 09/02/2004 | US20040170790 Stiffness, impact strength even at low temperatures; containing beta nucleated polymers |
| 09/02/2004 | US20040170789 Annealed polypropylene pipes and fittings |
| 09/02/2004 | DE10304071A1 Combination of two tubes, one of which fits inside other, for use as hollow shaft or in magnetically-coupled gear pumps, is held together by laser spot-welding |
| 09/01/2004 | EP1451497A1 Plastic tube, especially a pneumatic tube |
| 09/01/2004 | EP1451417A1 A waste removal system |
| 09/01/2004 | EP1386105B1 Reinforced pipe for a pressurised medium |
| 09/01/2004 | EP1257756B1 Fire-resistant fuel transport pipe |
| 09/01/2004 | CN1164882C Polymer pipe with axially reinforcing steel wire |
| 08/31/2004 | US6782921 High-strength steel pipe excellent in formability and burst resistance |
| 08/26/2004 | US20040166267 Pipe comprising ethylene base polymer |
| 08/26/2004 | DE20306407U1 Doppelwand-Wellrohr Double wall corrugated pipe |
| 08/26/2004 | DE10348820B3 Multi-layer pipe, with layers of different characteristics for particle accelerators or cryostats, has an inner pipe at a gap from an outer pipe for an adhesive to be injected into the gap under pressure |
| 08/26/2004 | DE10331085B3 Vehicle air intake, with a tubular body forming the air flow channel, has a flat insert at the straight section for an air flow along its surface to suppress noise emissions |
| 08/25/2004 | EP1450124A2 Heat exchanger tube |
| 08/25/2004 | EP1450092A1 Tube for conveying fluids and method for its production |
| 08/25/2004 | EP1448704A1 Pipe systems of polypropylene compositions |
| 08/25/2004 | EP1448631A1 Pressure pipes |
| 08/25/2004 | CN2636050Y Joint for corrugated pipe |
| 08/25/2004 | CN2636041Y Plastics lined concrete pipe line |
| 08/25/2004 | CN2636040Y 复合塑料管 Composite plastic pipe |
| 08/25/2004 | CN2636039Y Flame-retardant inorganic glass fibre reinforced plastic ventilation pipe line |
| 08/25/2004 | CN2636038Y Drinking-water pipe |
| 08/25/2004 | CN2636037Y Novel structure polyethylene pipe material |
| 08/19/2004 | WO2004070252A1 Plastic ventilation duct that has at least two layers and is made at least partially antistatic |
| 08/19/2004 | WO2004070248A2 Method and system to produce multilayered composite pipe |
| 08/19/2004 | WO2004055426A3 Collapse tolerant flexible pipe and method of manufacturing same |
| 08/19/2004 | WO2004044470A3 Pipeline trench system and method of construction |
| 08/19/2004 | WO2003037981A8 Pipe systems of polypropylene compositions |
| 08/18/2004 | EP1447606A1 Double pipe and method of manufacturing the double pipe |
| 08/18/2004 | EP1446602A1 Toneable conduit and method of preparing same |
| 08/18/2004 | CN1521438A High resistance, antistatic and high strength PA/MDPE composite fuel gas pipe |
| 08/18/2004 | CN1521058A Vehicle power cables retaining structure |
| 08/18/2004 | CN1162635C Inorganic nanometer antiseptic aluminium-plastic composite pipe |
| 08/18/2004 | CN1162634C Rare earth activated inorganic antiseptic aluminium-plastic composite pipe |
| 08/18/2004 | CN1162633C Inorganic and organic mixed antiseptic aluminium-plastic composite pipe |
| 08/12/2004 | WO2004068016A2 Fiber reinforced pipe |
| 08/12/2004 | WO2004067269A2 Plastic-metal composite pipe comprising a metallic double envelope and method and device for producing the same |
| 08/12/2004 | US20040157969 Propylene polymer pipes for pipelines |
| 08/12/2004 | US20040157019 Industrial polyolefin piping system |