| Patents for F16L 9 - Rigid pipes (18,006) |
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| 02/18/2003 | US6521155 Chimney-pipe and manufacture of same |
| 02/18/2003 | US6521127 Modular filtration systems and methods |
| 02/18/2003 | US6520213 Arcuate double-layer pipe, and method of assembling an arcuate double-layer pipe |
| 02/13/2003 | WO2003011507A1 Improved centrifugally-cast tube and related method and apparatus for making same |
| 02/13/2003 | US20030030276 Tubing with connecting piece |
| 02/13/2003 | DE29724702U1 Flexible pipe assembly - consists of individual pipes in parallel enclosed in plastic sheath with electric conductor run in space along line of contact of pipes |
| 02/13/2003 | DE20217666U1 Concrete main drainage sewer e pipe has flat sole |
| 02/12/2003 | EP1283101A1 Process for producing multilayered product |
| 02/12/2003 | EP1282661A1 Reinforced polyamide with improved thermal ageing properties |
| 02/12/2003 | EP1073825B1 Foldable tube |
| 02/12/2003 | CN2535641Y Composite tube for five fighting |
| 02/12/2003 | CN2535640Y Luminium alloy section tube material |
| 02/12/2003 | CN1396401A Pressurization fluid pipeline |
| 02/12/2003 | CN1396400A Metal skeleton reinforced non-cross-linking refractory polyethylene pipe |
| 02/12/2003 | CN1396399A Composite pipe made of non-cross-linking refractory polyethylene and cross-linking polyethylene |
| 02/11/2003 | US6517657 Fluoropolymer composite tube and method of preparation |
| 02/06/2003 | WO2003010458A1 Improved pipe |
| 02/06/2003 | WO2002004823A9 Coated contoured crushable structural members and methods for making the same |
| 02/06/2003 | US20030024587 High-pressure pipe element made of a hooded tube |
| 02/06/2003 | US20030024586 Pressurized fluid conduit |
| 02/06/2003 | US20030024584 Flexible pipe element |
| 02/06/2003 | DE10203123C1 Compound pipe, to carry liquids and gases in chemical and other industries. has an outer layer of fiber reinforced plastics and an inner PTFE pipe layer, bonded together by an intermediate layer with a PFA surface |
| 02/06/2003 | DE10143306C1 Angled pipe used for changing the direction of a pipeline has a molded socket end and an insertion end for connecting to the corresponding ends of a linear pipe unit |
| 02/05/2003 | CN2534448Y Steel-aluminium composite shaped material |
| 02/05/2003 | CN1395664A Metallic pipe and method of making same |
| 02/04/2003 | US6514631 Heating furnace tube and method of manufacturing the same |
| 02/04/2003 | US6513553 Helically wound lock-seam tube |
| 02/04/2003 | US6513551 Device having a radial partition, especially for arresting the propagation of a radial buckle in a double-walled pipe intended for great depths |
| 01/30/2003 | WO2003008850A1 Heat-resistant tube |
| 01/30/2003 | US20030022579 Reinforcing structure for stiff composite articles |
| 01/30/2003 | US20030021929 Antistatic fluororesin tube |
| 01/30/2003 | US20030019533 Centrifugally-cast tube and related method and apparatus for making same |
| 01/30/2003 | US20030019220 Fluid transport |
| 01/30/2003 | DE19945009C2 Rohrleitungselement für eine Rohrleitung zum Transportieren fließfähiger Medien The pipe element for a pipe for transporting flowable media |
| 01/29/2003 | EP1279911A1 Refrigerant tubing for a vehicle air conditioning system |
| 01/29/2003 | EP1279878A2 Pipe with oval crossection |
| 01/29/2003 | EP1015801A4 High weeping strength polymer-glass ribbon composite laminates for fluid containment |
| 01/29/2003 | CN2533363Y Sand blasting wire reinforced rubber pipe |
| 01/29/2003 | CN2533362Y Strentching directional cross-linked polymer tubing |
| 01/28/2003 | US6511724 Pipes for conveying drinking water |
| 01/22/2003 | EP0882572B1 Metal/synthetic resin laminate and synthetic resin-clad metallic pipe |
| 01/22/2003 | CN2532342Y Plastics spiral pipe |
| 01/22/2003 | CN2532341Y Glu inlaid plastics lined composite metal pipe |
| 01/22/2003 | CN2532340Y Composite ventilation pipe composed of color steel plate |
| 01/22/2003 | CN2532339Y Large diameter plastic pipe for conveying liquid |
| 01/22/2003 | CN2532338Y Drawing orient silane cross polythene pipe material |
| 01/22/2003 | CN1392425A Equipment for producing multi-core cable resin tube and its producing technology |
| 01/16/2003 | WO2003004260A1 Structural reflective insulating material for ducts and other purposes |
| 01/16/2003 | WO2003004207A2 Glossy tubes and pipes |
| 01/16/2003 | US20030012944 Structural reflective insulating material for ducts and other purposes |
| 01/16/2003 | US20030012908 Wall formed with a ringed tube made of inflammable plastic material, with a smooth tube externally sheathing the ringed tube; fuel tank filler spout. |
| 01/16/2003 | US20030012907 Embossed thermoplastic polyethylene film is release layer, on which adhesive layer is superimposed, embossed shapes are transferred from the release layer to the adhesive layer, thus preventing air pockets between the laminate |
| 01/16/2003 | US20030012906 Multilayer resin tube |
| 01/16/2003 | DE10145179C1 Press fitting used for connecting tubes with flat ends is a one-piece sintered part made from a mixture of powdered metallic components |
| 01/15/2003 | EP0714487B2 A thin-wall polytetrafluoroethylene tube |
| 01/15/2003 | CN2531216Y Aluminium-sandwiched polythene and random copolymerization polypropylene pressure pipe |
| 01/15/2003 | CN2531043Y Slope wire warning pipe |
| 01/15/2003 | CN1391055A Plastic pipe network connected by pipe jointers made of refractory non-cross-linked poly ethylene |
| 01/15/2003 | CN1098987C Method of producing aluminium alloy tube |
| 01/15/2003 | CN1098967C Foldable tube |
| 01/15/2003 | CN1098966C Deformable liner tube and its use |
| 01/09/2003 | WO2003001873A2 Corrugated plastic pipe sections having flanged ends and structually tight joints thereof |
| 01/09/2003 | US20030008577 Buoyancy control systems for tubes |
| 01/09/2003 | US20030008091 Polypropylene; noncracking |
| 01/09/2003 | US20030008087 Pipes, tubes, tankd for fuels |
| 01/09/2003 | US20030005973 Plastic pipe and manufacturing method therefor |
| 01/09/2003 | DE20212078U1 Arrangement for joining two double walled pipes, in particular straight section to angled section |
| 01/09/2003 | CA2452011A1 Corrugated plastic pipe sections having flanged ends and structually tight joints thereof |
| 01/08/2003 | EP1273436A1 Glossy tubes and pipes |
| 01/08/2003 | EP1023554B1 Tubing coupling |
| 01/08/2003 | CN2530125Y Bimetallic composite wear proof duct |
| 01/08/2003 | CN1389510A High-strength porous casing and pipeline parts of nano polyvinyl chloride and their production process |
| 01/08/2003 | CN1389341A Inflating making process and apparatus of spiral wound steel wire reinforced composite plastic pipe |
| 01/08/2003 | CN1389311A Apparatus for continuously producing spiral corrugated metal pipe |
| 01/07/2003 | US6503391 System of pipework for a device for filtering and pumping the water of a swimming pool basing |
| 01/02/2003 | US20030003182 Resin tube with multiple inner conduits and apparatus for manufacturing the same |
| 01/02/2003 | US20030001307 Extruding inner core of polymeric material includingouter tie layer, activating outer surface of tie layer by heating core to soften tie layer and applying a metal foil to core so as to overlap edges and form impermeable layer; extruding outer |
| 01/02/2003 | US20030000610 Aluminum alloy piping material for automotive piping excelling in corrosion resistance and workability |
| 01/02/2003 | US20030000592 Self-grounding connector for joining end sections of fluid flow conduits and fabrication processes therefor |
| 01/02/2003 | EP1270177A2 Apparatus for manufacturing a resin tube with multiple inner conduits |
| 01/02/2003 | EP1269099A2 Method for manufacturing a double-walled heat exchanging tube with leak detection |
| 01/02/2003 | EP1123194B1 Method for making a hollow solid generated by rotation, solid as obtained by said method, and device for carrying out said method |
| 01/02/2003 | DE20212095U1 Pipe unit with a conduit for guiding gaseous flow medium has an aperture sealed by a lid |
| 01/01/2003 | CN2529057Y Waterpipe |
| 01/01/2003 | CN2529056Y Steel-plastic high-pressure anti-corrosion composited tube |
| 01/01/2003 | CN2529055Y Reinforced composite plastic pipeline with metal frame |
| 12/27/2002 | WO2002102891A1 Ethylene polymer composition |
| 12/27/2002 | WO2002102865A1 Annealed polypropylene pipes and fittings |
| 12/24/2002 | US6497254 Self-sealing flexible metal hose |
| 12/19/2002 | US20020189697 Multilayer pipe and method for manufacturing one |
| 12/19/2002 | US20020189310 Process and device for the manufacture of polygonal tubes |
| 12/18/2002 | EP1267112A1 Pressurized fluid conduit |
| 12/18/2002 | EP1267111A1 Pressurized fluid conduit |
| 12/18/2002 | EP1266933A1 Polyethylene blends |
| 12/18/2002 | CN2526637Y Full-automatic production line equipment for common plate flange blast pipe |
| 12/18/2002 | CN1385641A Combined pipe made of thermal-isolation impact-resistant plastics and glass fibre reinforced plastics |
| 12/18/2002 | CN1385640A Electrostatic-preventing aluminium-plastic combined pipe |
| 12/17/2002 | US6494497 Fluid-tight fluid conduit |
| 12/12/2002 | US20020188086 Pipe made of ethylene polymer |
| 12/12/2002 | US20020185188 Composite tubing |