| Patents for F16L 9 - Rigid pipes (18,006) |
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| 07/15/2009 | CN201273399Y Straight joint steel pipe with anti-corrosion coating used for producing long-distance pipeline |
| 07/15/2009 | CN201273398Y Flange connector |
| 07/15/2009 | CN101482204A Reinforced bar glass fiber resin concrete pipe and producing method thereof |
| 07/15/2009 | CN101482203A Fiber reinforced resin cladding composite pipe for coal mine well and its production method |
| 07/14/2009 | US7559720 Culvert bundle for stream crossings and flow-through bridge abutments |
| 07/14/2009 | US7559343 Insulation module for vessels |
| 07/09/2009 | WO2009085051A1 High pressure pipe liner coupling assembly and method |
| 07/09/2009 | WO2009084987A2 Tubing with an inner coating protecting it against deposits and a method for applying said coating |
| 07/09/2009 | WO2009083937A2 Insulated pipelines and methods of construction and installation thereof |
| 07/09/2009 | US20090175697 Centrifugally-cast tube and related method and apparatus for making same |
| 07/09/2009 | US20090173408 Steel Pipe Covered at its Inside Surface with Polyolefin Superior in Durability and Method of Production of Same and Plated Steel Pipe Used for that Covered Steel Pipe |
| 07/09/2009 | US20090173407 Multilayer tube for transporting water or gas |
| 07/09/2009 | US20090173396 One piece plumbing vent, drain pipe |
| 07/09/2009 | DE202009003662U1 Krafteinteilung in ein faserverstärktes Rohr Power division into a fiber-reinforced tube |
| 07/09/2009 | CA2711468A1 High pressure pipe liner coupling assembly and method |
| 07/09/2009 | CA2710830A1 The oilwell tubing with coating that prevents buildup, and the method for applying coating |
| 07/08/2009 | EP2077284A1 Use of an improved solid vanadium-containing Ziegler-Natta catalyst system for producing ethylene polymer compositions in a multistage process |
| 07/08/2009 | EP2076374A1 Device and method for the filament winding of long tubes and long tubes realised according to said method |
| 07/08/2009 | CN201269370Y Three-layer composite pipeline |
| 07/08/2009 | CN101476653A Meridian silica gel pipe |
| 07/08/2009 | CN101476652A Cellular plastic catchment and draining pipe without filter screen |
| 07/08/2009 | CN101476651A Reinforced polypropylene industrial pipes and method for producing the same |
| 07/07/2009 | US7556067 Fuel tank filler neck assembly |
| 07/07/2009 | US7556065 Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid |
| 07/07/2009 | CA2330453C Safety-enhanced heat tracing |
| 07/07/2009 | CA2328804C Method of connecting two elongated portions of metallic plate, method of manufacturing exhaust pipe of two-passage construction, and exhaust pipe of two-passage construction |
| 07/02/2009 | US20090169788 Impervious, chemically stable thermoplastic tubing and film |
| 07/02/2009 | US20090165881 Catheter shaft and method of manufacture |
| 07/02/2009 | DE202009006215U1 Dünnwandiges Deko-Rohr Thin wall decorative tube |
| 07/02/2009 | DE202008002386U1 Verbundrohr mit einem Rohr aus vernetztem Polyethylen Composite pipe with a pipe of cross-linked polyethylene |
| 07/02/2009 | DE10359912B4 Verbundhalbzeuge Composite semi-finished products |
| 07/01/2009 | EP2075402A1 Composite marine riser |
| 07/01/2009 | CN201265714Y Double-layer hollow pipe for inspection shaft |
| 07/01/2009 | CN201265713Y High abrasion-proof steel alloy rubber external protection shockproof energy-saving pump pipe |
| 07/01/2009 | CN201265712Y Security reinforced light exhaust duct |
| 07/01/2009 | CN201265711Y Nano glass inner lining steel pipe |
| 07/01/2009 | CN101469793A Multi-wall interlayer hollow plastic heat preserving and cold insulating pipeline |
| 07/01/2009 | CN101469792A Nano anti-corrosive antibacterial plastic-metal composite pipe |
| 06/30/2009 | CA2441008C Conductive-resin-coated steel pipe and method of extrusion-forming same |
| 06/30/2009 | CA2401006C Apparatus for and a method of fabricating a coriolis flowmeter formed primarily of plastic |
| 06/25/2009 | WO2009079163A1 Composite core densification |
| 06/25/2009 | US20090159602 Austenitic High Mn Stainless Steel for High Pressure Hydrogen Gas |
| 06/25/2009 | US20090159147 Exhaust pipe structure |
| 06/25/2009 | US20090159146 Styrenic insulation for pipe |
| 06/25/2009 | US20090158807 Centrifugally-cast tube and related method and apparatus for making |
| 06/25/2009 | US20090158799 Metal Pipe and Manufacturing Method Thereof |
| 06/25/2009 | DE102008036602A1 Pipe for transporting flow medium, has multilayer pipe wall with wall structure made of elastic flexible sublayers, where transition between laminar and turbulent flows is produced by pipe, and is shifted to high Reynolds number |
| 06/25/2009 | DE102007061177A1 Tubular profile for the production of pipes and hollow bodies is fitted with an external heat exchange spiral for extracting heat from heat sinks and water flows |
| 06/25/2009 | DE102004054327B4 Wellrohr aus thermoplastischem Kunststoff Corrugated pipe of thermoplastic material |
| 06/24/2009 | CN201262289Y Flame-resistant polyurethane foam heat-insulation pipe internally wrapped with adhesive tape |
| 06/24/2009 | CN201262288Y High temperature-resistant polyurethane foam heat-insulation pipe internally wrapped with adhesive tape |
| 06/24/2009 | CN201262287Y Low temperature-resistant polyurethane foam heat-insulation pipe internally wrapped with adhesive tape |
| 06/24/2009 | CN201262286Y High-foaming helical silencing plastic composite pipe |
| 06/24/2009 | CN201262285Y High-foaming plastic composited thermal insulation pipe |
| 06/24/2009 | CN201262284Y Nano-glass inner lining metal pipe |
| 06/24/2009 | CN101463932A Composite steel pipe with polythene hollow winding structured wall and its processing technique |
| 06/24/2009 | CN101463931A Steel strip helical reinforced biplane polythene drainpipe |
| 06/24/2009 | CN101463930A Corrugated continuous reinforced plastics heat-preserving composite pipe |
| 06/24/2009 | CN101463929A Production method of continuous reinforced composite pipe for oil field flushing |
| 06/24/2009 | CN101463928A Processing method for external anti-corrosion layer of steel bend pipe |
| 06/24/2009 | CN101463927A Production method of stainless steel brazing composite seamless pipe fittings |
| 06/24/2009 | CN100504135C Dedicated connector for submarine oil pipeline |
| 06/24/2009 | CN100504134C Enhancement ultra-high molecular weight polyethylene wound pipe and manufacture method therefor |
| 06/23/2009 | US7550185 Port tube and closure composition, structure and assembly for a flowable material container |
| 06/23/2009 | US7550102 Method for producing a helically shaped, seamless multi-walled cylindrical article |
| 06/23/2009 | CA2564815C Composite marine riser |
| 06/23/2009 | CA2243614C Procedure for manufacturing an ethylene polymer formulation |
| 06/18/2009 | WO2004026499A3 Duct reinforcement rod and fabrication apparatus |
| 06/18/2009 | DE102008030423A1 Rohr mit einer durch ein Oberflächenprofil modifizierten Außenmantelfläche Pipe with a modified by a surface profile outer lateral surface |
| 06/18/2009 | DE102007059817A1 Gewickelte glasfaserverstärkte Kunststoffrohre sowie Verfahren zu deren Herstellung Wound glass-fiber reinforced plastic pipes, as well as processes for their preparation |
| 06/17/2009 | EP1418374B1 Heat-resistant tube |
| 06/17/2009 | EP1282661B1 Reinforced polyamide with improved thermal ageing properties |
| 06/17/2009 | CN201259033Y Pre-stress large-sized steel fittings with rib |
| 06/17/2009 | CN201259032Y Pre-stress large-sized steel tube with rib |
| 06/17/2009 | CN201259031Y Nanometer micro-bead steel plastic composite pipe |
| 06/17/2009 | CN201259030Y Ceramic rubber and ceramoplastic wear resistant composite pipe |
| 06/17/2009 | CN201259029Y Shape memory alloy pipe joint for tube or bar fastening connection |
| 06/17/2009 | CN201259028Y Shape memory alloy pipe joint for pipeline fastening connection |
| 06/17/2009 | CN201259027Y Coated galvanization threaded steel pipe |
| 06/17/2009 | CN201259026Y Steel tube with double-bevel end |
| 06/17/2009 | CN101460773A Internally polyolefin coated steel pipe having excellent durability, method for producing the same, and plated steel pipe used for the coated steel pipe |
| 06/17/2009 | CN101457856A Combination plastic tube |
| 06/17/2009 | CN101457855A Production process for inner liner stainless steel composite seamless pipe |
| 06/17/2009 | CN100501213C Stainless steel and aluminium composite pipe |
| 06/17/2009 | CN100500423C Thermoplastic polymer base and polyolefin base hose for oil field or natural gas field operation |
| 06/11/2009 | WO2009072750A1 Resin tube with multiple inner conduits and machine for manufacturing the tube |
| 06/11/2009 | WO2009071501A1 Pipe with an outer lateral surface modified by a surface profile |
| 06/11/2009 | WO2009071471A1 PROCESS FOR PRODUCING COLOURED POLYPROPYLENE COMPOSITION HAVING A HIGH CONTENT OF ß-MODIFICATION |
| 06/11/2009 | US20090145506 Cryogenic transfer hose |
| 06/11/2009 | US20090145505 Apparatus to keep compressor lines from freezing-up during cold weather |
| 06/11/2009 | US20090145504 Fuel distribution tube for direct injection fuel rail assemblies |
| 06/10/2009 | EP2067798A1 Process for producing coloured polypropylene composition having a high content of ß-modification |
| 06/10/2009 | EP2067601A2 Apparatus for manufacturing a tubular product |
| 06/10/2009 | EP2067590A2 Composite pipe and method for its production |
| 06/10/2009 | EP2066946A1 Method for fabricating solid body having superhydrophobic surface structure and superhydrophobic tube using the same method |
| 06/10/2009 | DE69318813C5 Verfahren zum Herstellen eines mehrschichtigen Kunststoffrohres und mehrschichtiges Kunststoffrohr zur Leitung von Fluiden A method for producing a multilayer plastic pipe and multilayer plastic pipe for conducting fluids |
| 06/10/2009 | DE102007058885A1 Verbundrohr und Verfahren zu dessen Herstellung Composite pipe, and method for its production |
| 06/10/2009 | DE10149946B4 Trennwandanordnung für Auspuffvorrichtungen Partition arrangement for exhaust systems |
| 06/10/2009 | CN201255276Y Double-layer highly effective insulating pipe |
| 06/10/2009 | CN201255275Y 加强型塑合金管 Strengthening shape the alloy tube |