| Patents for F16L 9 - Rigid pipes (18,006) |
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| 03/24/2005 | US20050061925 Riser assembly |
| 03/24/2005 | US20050061382 Reinforced submarine pipeline and assembly of two coaxial pipelines comprising same |
| 03/23/2005 | EP1515992A1 Polymerization process |
| 03/23/2005 | EP1237711B1 A reinforcing structure for composite articles |
| 03/23/2005 | EP1214542B1 Collapse resistant popoid connector |
| 03/23/2005 | CN2687464Y External anticorrosive pipeline of steel |
| 03/23/2005 | CN1598386A Conduit constitating part |
| 03/23/2005 | CN1598385A Large bore plastic steel band pomposite winding pipe section bar |
| 03/23/2005 | CN1598384A Metal pipe convered with foamed plastic for thermal insulation and its mfg. method |
| 03/23/2005 | CN1598383A Corrugated pipe of winding formed dual-wall with metal skeleton strengthen body and its mfg. method |
| 03/22/2005 | CA2234079C Method and device for production of tubes |
| 03/17/2005 | US20050058851 Composite tube for ethylene pyrolysis furnace and methods of manufacture and joining same |
| 03/17/2005 | DE10337123A1 Connection element for pipe lines subjected to vibration stress, e.g. exhaust gas pipes in IC engines consists of elastic hollow-cylindrical sleeve of ceramic material fitted into hose for gas-proof connection |
| 03/16/2005 | EP1515075A2 Composite tube for ethylene pyrolysis furnace and methods of manufacture and joining same |
| 03/16/2005 | CN2685695Y Composite coating pipe |
| 03/16/2005 | CN2685688Y Co-diameter bidirectional corrosion proof thermal insulation pipe |
| 03/16/2005 | CN2685687Y High-pressure, temperature resistant transfer pipe |
| 03/16/2005 | CN2685534Y Double-layer composite corrosion proof oil pipe |
| 03/16/2005 | CN1596187A Polyamide or polyester and aluminium multilayer tube for fluid transfer |
| 03/16/2005 | CN1594953A Method for making ferrite stainless steel seamless pipes and cold working process thereof |
| 03/10/2005 | WO2005022564A2 Low cost electromagnetic energy absorbing, shrinkable tubing manufactured from conductive loaded resin-based materials |
| 03/10/2005 | WO2005021814A1 Metal dusting resistant product |
| 03/10/2005 | WO2005021255A1 Composite tube |
| 03/10/2005 | US20050053741 Polypropylene copolymer; crystal structure |
| 03/09/2005 | EP1512529A1 Resin-coated steel pipe excellent in mechanical strength such as sliding property |
| 03/09/2005 | CN2683977Y Polyethylene double-wall corrugated pipe possessing double wall in one pipe socket |
| 03/09/2005 | CN1590946A Heat transfer pipe with radiating fin parts |
| 03/09/2005 | CN1192177C Apparatus for forming composite steel-plastic pipe internal wall |
| 03/03/2005 | WO2005018927A1 Pipe with inner and outer layers formed from fluoropolymers |
| 03/03/2005 | WO2005018913A1 Cylindrical member made from fluororesin |
| 03/03/2005 | WO2004106038A3 Joining of multilayer thermoplastic pipes |
| 03/03/2005 | US20050048240 gas impervious tubes formed from fluoropolymer that are stretched in the axial direction and heat set, used for conveying fluids and preventing gases from leakage |
| 03/03/2005 | US20050048239 Polymeric pipes and liners and fuel lines made from blends of fluoroppolymers and polyamides |
| 03/03/2005 | US20050045251 Stainless steel and stainless steel pipe having resistance to carburization and coking |
| 03/03/2005 | DE10335676A1 Reinforcement element for pipe in hot gases pipe system is set funnel-shaped and thus mounted inclined axially relative to longitudinal axis of pipe |
| 03/03/2005 | CA2578101A1 Pipe with inner and outer layers formed from fluoropolymers |
| 03/02/2005 | EP1510743A2 Coupling pipe |
| 03/02/2005 | EP1510326A1 A tubular member made of fluororesin having low gas permeability |
| 03/02/2005 | EP1509566A1 Polypropylene compositions especially for pipes |
| 03/02/2005 | CN2682263Y Antibiosis stainless steel plastic composite tube |
| 03/02/2005 | CN2682262Y Thermal insulation flame-proof type composite wind pipe |
| 03/02/2005 | CN1587775A Steel skeleton composite pipe |
| 03/02/2005 | CN1587774A Pipeline produced by screw winding plastic section bar |
| 03/02/2005 | CN1587773A Secondary stage prestress concrete water transport pipe and producing method |
| 03/02/2005 | CN1191441C Screw type corrugated plastic pipe material and its manufacturing method |
| 03/01/2005 | US6860668 Method and apparatus for improved stiffness in the linkage assembly of a flexible arm |
| 03/01/2005 | CA2250306C Method for making a product to be extruded, and an extruder |
| 02/24/2005 | WO2005017465A2 Apparatus and method for creating a vortex flow |
| 02/24/2005 | WO2004082533A8 Helical stent |
| 02/24/2005 | US20050042034 Pipeline trench system and method of encasing for spill containment |
| 02/24/2005 | US20050039813 Apparatus and method for creating a vortex flow |
| 02/24/2005 | US20050039812 Duct reinforcement rod and fabrication apparatus |
| 02/24/2005 | DE202004015063U1 Device for constructing crossings for cables and/or drainage pipes, in particular, under a road surface comprises a crossing pipe consisting of joinable bottom and top sections |
| 02/24/2005 | CA2533844A1 Apparatus and method for creating a vortex flow |
| 02/23/2005 | EP1507806A1 Butene-1 (co)polymers and process for their preparation |
| 02/23/2005 | CN2680948Y Integral insulated air conduit and special connecting piece therefor |
| 02/23/2005 | CN2680947Y Reinforced type silicon carbide-metal composite tube |
| 02/23/2005 | CN1584383A Reinforced polyethylene pipe with super high molecular weight, manufacturing method and apparatus thereof |
| 02/23/2005 | CN1583399A Manufacturing process for self-limited semiconductor DC heating material cold-proof low-pressure oil supplying pipe |
| 02/23/2005 | CN1190615C Tube with joint |
| 02/23/2005 | CN1190316C Multilayer tube for transporting fluid based on polyamide and EVOH |
| 02/22/2005 | US6858024 Guide catheter having selected flexural modulus segments |
| 02/22/2005 | US6857452 Composite spoolable tube |
| 02/17/2005 | WO2004106888A3 Electrophoresis capillaries having reduced amounts of -oh |
| 02/17/2005 | US20050037214 Nylon composite articles of manufacture and processes for their preparation |
| 02/17/2005 | US20050037170 Polyamide- and EVOH-based multilayer tube for fluid transfer |
| 02/17/2005 | DE19946544B4 Rohrleitung für ein Brems-, Kraftstoff- oder Hydrauliksystem in Kraftfahrzeugen Piping for a brake, fuel and hydraulic systems in motor vehicles |
| 02/16/2005 | CN2679456Y Variable wall thickness spiral welded pipe |
| 02/16/2005 | CN1582317A Pipe systems of polypropylene compositions |
| 02/16/2005 | CN1189686C Steel-plastics composite pressure pipe and its production method |
| 02/16/2005 | CN1189685C Assembly comprising a tube and a sleeve and its use as suppoting device |
| 02/16/2005 | CN1189684C Thin-walled cylinder made from fiber-reinforced plastics material |
| 02/16/2005 | CN1189625C Penetration wall type vent-pipe applied to frozen soil engineering |
| 02/15/2005 | US6854487 Especially for aircraft gas turbine engine anti-ice conduit segment; outer surface has a low emissivity (less than 0.2) coating (Pd and/or Au), particularly formed by reactive vaporization |
| 02/10/2005 | US20050031818 Polyamide-based multilayer tube for transferring fluids |
| 02/10/2005 | US20050031813 Pipe; polyethylene containing hydrolsable organosilicon compound |
| 02/10/2005 | US20050028882 Method of judging hydrogen embrittlement cracking of material used in high-temperature, high-pressure hydrogen environment |
| 02/09/2005 | EP1200765B1 Assembly comprising a tube and a sleeve |
| 02/09/2005 | EP1198336B1 Apparatus and method for producing a multiple channel duct assembly for parallel cables |
| 02/09/2005 | CN2677716Y Ceramic glass fiber reinforced plastic compound tube |
| 02/09/2005 | CN2677617Y Hidden buried drainage pipe in tunnel arch wall |
| 02/09/2005 | CN1577105A Exposure apparatus |
| 02/09/2005 | CN1576674A Polyamide-based multilayer tube for transferring fluids |
| 02/09/2005 | CN1576673A Bellows and producing device thereof |
| 02/09/2005 | CN1576381A Stainless steel and stainless steel pipe having resistance to carburization and coking |
| 02/08/2005 | US6851455 A fuel-filler tube for automobile made of a welded pipe of corrosion- resistant and cracking resistance astenitic or ferritic stainless steel, has a fuel supply opening with high dimensional accuracy |
| 02/03/2005 | WO2005009732A1 Nylon composite articles of manufacture and processes for their preparation |
| 02/03/2005 | WO2004070248A3 Method and system to produce multilayered composite pipe |
| 02/03/2005 | US20050025922 Polyolefin coated steel pipes |
| 02/03/2005 | US20050025920 Polyamide blend interior layer; fuel tubes |
| 02/03/2005 | CA2530156A1 Nylon composite articles of manufacture and processes for their preparation |
| 02/02/2005 | EP1503126A1 Tubular body and manufacturing method thereof |
| 02/02/2005 | CN2675992Y Stainless steel composite tube with nanometer plastic lining |
| 02/01/2005 | US6849695 Piping material |
| 02/01/2005 | US6848719 Bendable polymer-lined water heater connector |
| 02/01/2005 | CA2157748C Hot gas line for gases containing hydrogen and carbon monoxide |
| 01/27/2005 | WO2005008116A2 System and method for coupling conduit |
| 01/27/2005 | US20050019597 Coated contoured crushable structural members and methods for making the same |
| 01/27/2005 | US20050016610 Perfluoro(ethyl vinyl) ether and tetafluoroethylene copolymer and metal powder ; rotorlining interior surfaces of hollow article; heating; rotation |
| 01/27/2005 | US20050016609 Multilayer pipe, in particular for an engine cooling circuit |