| Patents for F16L 9 - Rigid pipes (18,006) |
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| 02/27/2008 | CN201028144Y Helical welded seam stainless steel composite tube as steel pipe inner lining |
| 02/27/2008 | CN201028143Y Metal-tube |
| 02/27/2008 | CN201028142Y Pipe tiling with reinforcing rib used for combined pipe |
| 02/27/2008 | CN201028141Y Combined pipe |
| 02/27/2008 | CN201028140Y Enhancement type plasma oxide film deposition device cavity cover cooling water pipe |
| 02/27/2008 | CN101133312A Steel pipe partial buckling performance evaluation method, steel pipe design method, steel pipe manufacturing method and steel pipe |
| 02/27/2008 | CN101131220A Polythene winding structure wall pipes with metal stiffening rib and manufacturing method thereof |
| 02/27/2008 | CN101131219A Magnetic PE pipe and manufacturing method thereof |
| 02/26/2008 | US7334820 Concrete pipe with a corrosion-resistant inner lining |
| 02/26/2008 | CA2328420C Deformable liner tube |
| 02/21/2008 | WO2008020812A1 System for improved powder coating of duct fittings and process for same |
| 02/20/2008 | EP1890067A2 Multi-layer pipe |
| 02/20/2008 | EP1890066A2 Multi-layer pipe |
| 02/20/2008 | EP1889714A1 Multi-layer pipe |
| 02/20/2008 | EP1888957A2 An improved multilayer pipe |
| 02/20/2008 | CN201025316Y Plastic material for making pipe |
| 02/20/2008 | CN101125941A Polyethylene pipe for non-excavation traction method construction |
| 02/19/2008 | US7332689 Tacking method and apparatus |
| 02/19/2008 | CA2443016C Pipe for the transportation of fluids containing hydrogen |
| 02/14/2008 | DE102007035657A1 Rohr und/oder Verbindungsstück aus einem thermoplastischen Werksstoff Tube and / or connection piece from a thermoplastic material |
| 02/13/2008 | EP1886810A1 Tube |
| 02/13/2008 | EP1885774A2 Use of a particular composition for producing parts by filament winding |
| 02/13/2008 | EP1885557A2 Multilayer tube for transporting water or gas |
| 02/13/2008 | CN201021739Y Fiber enhanced plastic steel compound pipe |
| 02/13/2008 | CN201021738Y A carbon fiber rosin compound steel pipe |
| 02/13/2008 | CN101124424A Plastic tube |
| 02/13/2008 | CN101122354A Enwound tube section bar |
| 02/07/2008 | WO2008016353A1 Embedded metallic tubes with compression fit and method for manufacturing the same |
| 02/07/2008 | WO2008015361A1 Aircraft conduit |
| 02/07/2008 | WO2007092226A3 Reinforced plastic hose |
| 02/07/2008 | US20080030023 Compound tube and method of producing the same |
| 02/07/2008 | US20080029177 Lateral pipe lining material and lateral pipe lining method |
| 02/07/2008 | DE102006036721A1 Cable protective tube comprises a sensor and/or information carrier that is suitable for detecting measuring variable relevant for a capacity/function of tubes and that is integrated into the tube wall by plastic-technical forming process |
| 02/07/2008 | CA2659818A1 Aircraft conduit |
| 02/07/2008 | CA2658125A1 Embedded metallic tubes with compression fit and method for manufacturing the same |
| 02/06/2008 | EP1884343A2 Method of forming a conduit |
| 02/06/2008 | CN201016419Y Push-drawing type seamless conical pipe |
| 02/06/2008 | CN101118025A PVC-U composite nano drainpipe manufacturing method |
| 02/06/2008 | CN101118024A Alloy rolled pipe |
| 02/06/2008 | CN100366973C Method and apparatus for mfg. screw winded or braided steel wire enhanced composite plastic pipe material |
| 01/31/2008 | US20080026241 Steel tubing with enhanced slot-ability characteristics for warm temperature service in casing liner applications and method of manufacturing the same |
| 01/31/2008 | US20080023095 Dishwasher Manifold Assembly and Associated Method |
| 01/31/2008 | CA2659219A1 Metallic strip and methods and structures incorporating the same |
| 01/30/2008 | CN201014073Y Water-pipe structure improvement |
| 01/30/2008 | CN201014072Y ABS stainless steel composite tube |
| 01/30/2008 | CN201014071Y Polyethylene coatings composite steel tube used under coal mine |
| 01/30/2008 | CN201014070Y Plastic rubber composite pipes of clamping metallic layer |
| 01/30/2008 | CN201014069Y Steel skeleton plastic composite pipe |
| 01/30/2008 | CN201014068Y Connected structure of wear resistant ceramic steel tube |
| 01/30/2008 | CN201014067Y Inside lining non-corrodible steel malleable iron pipe member |
| 01/30/2008 | CN201014066Y Metallic composite tube or pipe |
| 01/30/2008 | CN201014065Y High intensity plastics winding pipe |
| 01/30/2008 | CN201014064Y Steel plastic compound tube |
| 01/30/2008 | CN201014063Y Plastic pipe with oxygen separating layer |
| 01/30/2008 | CN201014062Y Novel ultralong tubule |
| 01/30/2008 | CN201014061Y Composite aluminium and steel pipe |
| 01/30/2008 | CN201013402Y Special gas pumping pipe for coal mine |
| 01/30/2008 | CN101115945A Pipeline for use as water pipe or the like |
| 01/30/2008 | CN101113800A Fiber reinforcement type brittlement radical compound material pipeline coatings, its coating method and pipeline |
| 01/30/2008 | CN100365049C Super fine talc powder reinforced PP R pipe material |
| 01/30/2008 | CN100364685C Production of clad pipes |
| 01/29/2008 | US7322382 Segment for a rehabilitating pipe |
| 01/29/2008 | US7322381 Intake duct |
| 01/29/2008 | US7322380 Pipe insulation coupling |
| 01/29/2008 | CA2434448C Steel pipe having low yield ratio |
| 01/27/2008 | CA2554338A1 Undulating pipe manufacture |
| 01/24/2008 | US20080017269 Self Locking Sheet Metal Duct with a Sealant and Method for Manufacturing the Duct with a Sealant and Installing the Duct with a Sealant |
| 01/24/2008 | US20080017268 Carbon Black-Containing Crosslinked Polyethylene Pipe Having Resistance To Chlorine And Hypochlorous Acid |
| 01/24/2008 | US20080017267 Moulded Body with Evaporation-Sputtered Layers |
| 01/23/2008 | EP1881254A1 Tube for transporting high-viscosity materials |
| 01/23/2008 | EP1879703A1 Multilayer plastic anticorrosive coating having improved properties |
| 01/23/2008 | EP1386104B1 Reinforced plastic tube and method for making same |
| 01/23/2008 | CN201011402Y Plastic section bar used for spiral winding pipe |
| 01/23/2008 | CN201011401Y Plastic double-walled winding pipe |
| 01/23/2008 | CN201011400Y Ultra length and coning weldless pipe member |
| 01/23/2008 | CN201010987Y Pipe connector |
| 01/23/2008 | CN101111450A Beverage-flow restricting conduit and methods for manufacturing and assembling same |
| 01/23/2008 | CN101109471A Multi-layer oil tube for coextrusion vehicle |
| 01/22/2008 | US7320341 Protective liner for slurry pipelines |
| 01/17/2008 | US20080014812 Buoyancy Control Systems for Tubes |
| 01/17/2008 | US20080014342 Composite tube, method of producing for a composite tube, and use of a composite tube |
| 01/17/2008 | US20080011413 Conduit and method of forming |
| 01/17/2008 | US20080011382 Profile mother pipe for hydraulic bulging, hydraulic bulging apparatus using the same, hydraulic bulging method, and hydraulic bulged product |
| 01/17/2008 | US20080011381 Protective and Thermal Insulative Barrier |
| 01/17/2008 | US20080011380 Pipes comprising hydrolysis resistant polyamides |
| 01/17/2008 | US20080011374 Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same |
| 01/16/2008 | EP1877244A1 Plastics pipe |
| 01/16/2008 | CN101107187A Elbow pipe and method for producing an elbow pipe |
| 01/15/2008 | US7318455 Pipe body and forming method of the same |
| 01/15/2008 | US7318453 Spacing and centering device for a rigid double-wall duct with a low heat transfer coefficient |
| 01/10/2008 | US20080006337 Dual Containment Systems, Methods and Kits |
| 01/10/2008 | DE102007031249A1 Flat pipe produced by transforming a metal ribbon and subsequent welding or soldering for a heat-transfer medium or heat exchanger has two parallel longitudinal sides |
| 01/09/2008 | EP1874530A2 Reinforced polypropylene pipe |
| 01/09/2008 | CN201003658Y Anti-corrosive steel pipe |
| 01/09/2008 | CN201003657Y PE external preservation compound oil pipe steel pipe |
| 01/09/2008 | CN201003656Y Composite high pressure conveyer pipe |
| 01/09/2008 | CN201003655Y Steel band reinforced polyethylene spiral corrugated pipe |
| 01/09/2008 | CN201003654Y Glassreinforced plastic tooth-shape tube |
| 01/09/2008 | CN201003653Y Bending-proof water pipe |
| 01/09/2008 | CN101101077A Rustless steel double-metal composite pipe and making method thereof |