| Patents for F16L 9 - Rigid pipes (18,006) |
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| 08/11/2004 | EP1444159A1 Reinforced thermoplastic pipe manufacture |
| 08/11/2004 | EP1444084A2 Manufacturing process and apparatus for making a helical rib tube |
| 08/11/2004 | CN2632452Y Plastic spiral pipe sectional materials |
| 08/11/2004 | CN2632451Y Reinforced random copolymer polypropylene pipe materials |
| 08/11/2004 | CN2632450Y Winding reinforced water supply and drain pipelines |
| 08/11/2004 | CN2632449Y Internal thread super-thin copper pipes |
| 08/11/2004 | CN1161403C Colored resin composition for water pipe and colored water pipe |
| 08/10/2004 | US6774311 Multiple channel duct assembly for cables |
| 08/10/2004 | US6774305 Self-grounding connector for joining end sections of fluid flow conduits and fabrication processes therefor |
| 08/05/2004 | WO2004065723A1 Reinforced composite boom pipe with bonded sleeves |
| 08/05/2004 | WO2004065092A1 Process for manufacturing a flexible tubular pipe having extruded layers made of crosslinked polyethylene |
| 08/05/2004 | US20040151859 Heat-resistant plastic tube |
| 08/05/2004 | US20040148752 Method of manufacturing and laying a plurality of elongate elements to the outside of a core element |
| 08/05/2004 | DE102004001615A1 Rohrsystem Pipe system |
| 08/04/2004 | EP1442244A1 Pliable air duct with dust and condensation repellency |
| 08/04/2004 | CN2630615Y Composite pipe component for spray irrigation |
| 08/04/2004 | CN2630607Y Large-diameter wood-plastic composite pipe |
| 08/04/2004 | CN2630606Y Carbon-plastic alloy fire-retardant temp. resisting oil-gas pipe material |
| 08/04/2004 | CN2630605Y Hollow pipe material of glass-fiber reinforced plastic |
| 08/04/2004 | CN1160522C Technology for manfacturing large-diameter thick-wall seamless steel pipe |
| 08/03/2004 | US6770341 Polyethylene molding material and pipe produced therewith with improved mechanical properties |
| 08/03/2004 | US6769453 Resin tube for automotive piping and method of fabricating the same |
| 07/29/2004 | WO2003093714A3 Coupling assembly and method |
| 07/29/2004 | US20040145180 Reinforced composite boom pipe with bonded sleeves |
| 07/29/2004 | US20040145091 Composite urethane pipe and method of forming same |
| 07/29/2004 | US20040144440 Fiber reinforced pipe |
| 07/29/2004 | DE10313304B3 Plastics pipe or pipe fitting having parallel notches in its outside surface defining tear-off strip for separation of pipe or pipe fitting |
| 07/29/2004 | DE10243639B4 Abluftkamin, insbesondere für Tierstallungen Vent stack, especially for animal stables |
| 07/29/2004 | DE10057144B4 Rohranordnung zum Leiten von Fluiden mit einem mehrlagigen Metallrohr Piping for conveying fluids with a multi-layer metal tube |
| 07/28/2004 | EP1440834A1 Vehicle power cables retaining structure |
| 07/28/2004 | EP1393891A9 Multilayer underground plastic pipe |
| 07/27/2004 | US6766832 Transitional telescoping plenum apparatus |
| 07/21/2004 | CN2627320Y Glass fiber reinforcement steel-plastic high pressure multiple tube |
| 07/21/2004 | CN1514157A Cross linking high density polyethylene pipe and construction process of its alternuting repairing old pipe line |
| 07/20/2004 | US6764365 Buoyancy control systems for tubes |
| 07/20/2004 | US6764102 Tube joint |
| 07/20/2004 | US6763853 Lightweight corrosion-resistant and flame-retardant conduit for fluid (liquid and air) conveyance |
| 07/15/2004 | WO2004059202A1 Resin tube |
| 07/15/2004 | WO2004059201A1 Sewer pipe |
| 07/15/2004 | US20040138367 Fluoropolymer composition |
| 07/15/2004 | US20040134557 Hydrodynamic static mixing apparatus and method for use thereof in transporting, conditioning and separating oil sands and the like |
| 07/15/2004 | DE10318328B3 Bonded plastic-metal tube for heating installation has plastic base tube with oxygen diffusion blocking layer on it and layer of bonding material on that, with metal band on it |
| 07/15/2004 | DE10261334A1 Kanalrohr Sewer pipe |
| 07/15/2004 | CA2455188A1 Composite urethane pipe and method of forming same |
| 07/14/2004 | EP1436551A1 Air handling system ductwork component and method of manufacture |
| 07/14/2004 | EP1436540A1 Barrier tubing |
| 07/14/2004 | CN2625694Y Telescopic flue for smoke exhaust ventilator |
| 07/14/2004 | CN2625693Y Anti-theft onshore fluid delivery pipe |
| 07/14/2004 | CN2625692Y Glass fibre reinforced plastic foam jacket composite antiseptic heat preservation pipe |
| 07/14/2004 | CN2625355Y Concrete balancing-weight tube |
| 07/08/2004 | WO2004056922A1 Molding compositions made from a high-molecular-weight propylene polymer |
| 07/08/2004 | DE10335233B3 Tubular body of fibre-reinforced material for structural component or pipeline using interfitting rotationally symmetrical hollow bodies of differing diameter |
| 07/07/2004 | CN2624013Y A pipe arrangement |
| 07/07/2004 | CN1510323A Porous pipe and pipe connector, manufacturing method thereof |
| 07/07/2004 | CN1509922A High-impact electric welding steel pipe |
| 07/07/2004 | CN1509597A Sprinkler and watering pipeline, their manufacting method and light fog cooling method |
| 07/06/2004 | US6758502 Coupling ring for ventilation ducts, and method of connecting ventilation ducts |
| 07/06/2004 | US6758245 Heterogeneous hybrid intermediate; perfluoroalkoxy-polytetrafluoroethylene (pfa) welded to interior surface; glass or carbon fiber reinforcement |
| 07/06/2004 | CA2334448C Multilayer structure and reservoir containing said structure having a barrier layer in direct contact with the fluid contained within |
| 07/06/2004 | CA2290313C Method of forming a headed thermoplastic tube with a reusable closure |
| 07/01/2004 | WO2004055426A2 Collapse tolerant flexible pipe and method of manufacturing same |
| 07/01/2004 | US20040126523 Multi-layer structure |
| 07/01/2004 | DE10261107A1 Propylene (co)polymer molding composition, used for film, fiber or molding, especially pipe, has melt index in specified range and contains beta-crystallite fraction |
| 06/30/2004 | EP1433989A1 Device for transport multiphase fluids |
| 06/30/2004 | CN1508465A Alloy composite pipe |
| 06/24/2004 | WO2004052993A1 Polymeric pipes and liners and fuel lines made from blends of fluoropolymers and polyamides |
| 06/24/2004 | WO2004052975A1 Fluoropolymer composition for rotolining of the interior surface of a hollow article |
| 06/24/2004 | US20040118472 Air duct containing an organic liner material |
| 06/24/2004 | US20040118471 Winding on tubal support reinforcing tapes; multilayer |
| 06/24/2004 | US20040118468 melt processability; prevention permeability of hydrocarbons |
| 06/24/2004 | DE10256550A1 Oil or gas feed connection for seabed has cylindrical core with outer and inner insulation layers and phase change heat storage material within core bore |
| 06/24/2004 | CA2503469A1 Polymeric pipes and liners and fuel lines made from blends of fluoropolymers and polyamides |
| 06/22/2004 | CA2354206C Corrugated structural metal plate |
| 06/17/2004 | US20040113734 High density plastic tubing with included power transmission cabling for downhole use in petroleum industry |
| 06/17/2004 | US20040112454 Metallic tubular hose |
| 06/17/2004 | US20040112452 Collapse tolerant flexible pipe and method of manufacturing same |
| 06/17/2004 | US20040111988 Duct fastseam |
| 06/16/2004 | EP1165997B1 Radial partition device, in particular radial buckle arrestor for a double-walled deep water pipeline |
| 06/10/2004 | US20040108722 Corrugated plastic pipe sections having flanged ends and structurally tight joints thereof |
| 06/09/2004 | EP1425532A2 Low permeation nylon tube with aluminium barrier layer |
| 06/09/2004 | EP1425531A1 Gas-proof conduit |
| 06/09/2004 | EP0912325B1 Fiber-reinforced resin pipe having improved impact resistance and production method |
| 06/09/2004 | CN1153017C Multi-layer pipeline for transporting gasoline with eurelon as base |
| 06/08/2004 | CA2176762C Metal pipe with integrally formed liner and method of fabricating the same |
| 06/03/2004 | WO2004046598A1 Umbilical pipe |
| 06/03/2004 | US20040105947 comprises thermoplastic liner, glass fibers, and hybrid carbon/glass fiber impregnated within thermosetting resin; increased pressure carrying capacity |
| 06/03/2004 | US20040103948 Polyethylene pipe |
| 06/03/2004 | DE202004000069U1 Pipe sleeve for holding ring seals and cable guides etc comprises one-piece shaped part of multi-layered compact material made in one work step |
| 06/02/2004 | CN2619126Y Screw winding tube |
| 06/02/2004 | CN2619125Y Prestress composite glass-ceramic tube |
| 05/27/2004 | WO2004044470A2 Pipeline trench system and method of construction |
| 05/26/2004 | EP1051578B1 Multipurpose group, and industrial robot equipped therewith |
| 05/26/2004 | CN2618025Y Environmental protective steel copper composite pipe |
| 05/26/2004 | CN1151304C Low-carbon low-alloy steel and produced pipe |
| 05/25/2004 | US6739800 Self-flushing gutter pipe |
| 05/25/2004 | US6739628 Frangible hose connector |
| 05/25/2004 | US6739356 Multilayer tube which withstands high temperatures and which has good impermeability qualities with regard to the transported fluid, and in particular motor vehicle fuel |
| 05/25/2004 | CA2189320C Multilayer fluid conduits |
| 05/20/2004 | US20040097636 Product with antistatic properties |
| 05/20/2004 | US20040096614 Composite spoolable tube with sensor |