| Patents for F16L 9 - Rigid pipes (18,006) |
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| 08/06/2008 | CN201096235Y Plastic pipe material with surface foaming layer |
| 08/06/2008 | CN201096234Y Plastic pipe with oxygen barrier layer |
| 08/06/2008 | CN201096233Y Longitudinal rib prestressing force steel cylinder concrete pipe |
| 08/06/2008 | CN201096232Y Steel wire netting longitudinal rib prestressing force steel cylinder concrete pipe |
| 08/06/2008 | CN101235706A Anti-corrosive abrasion-proof oil conduit mounting method |
| 08/06/2008 | CN101234406A Method for manufacturing multiunit tube |
| 08/06/2008 | CN100408906C Plain end screw pipe and processing method thereof |
| 08/06/2008 | CN100408905C Manufacturing method of seamless steel pipe for pressure pipeline |
| 08/06/2008 | CA2620221A1 Reinforced elongated elements, such as tubes, method and device for producing same and use thereof |
| 07/31/2008 | WO2008091511A2 Elastomer lined, abrasion resistant pipe and method for manufacture |
| 07/31/2008 | DE102007004682A1 Pipe, particularly bent pipe, has multiple pipe sections, which are inserted and fixed in connecting elements with their edge sections, and connecting elements that are foldable and formed for receiving pipe sections |
| 07/30/2008 | CN201093139Y Metallic reinforced polythene composite bearing-inserting joint |
| 07/30/2008 | CN201093134Y Tri-core pipe |
| 07/30/2008 | CN201093133Y Bi-core pipe |
| 07/30/2008 | CN201093132Y Hollow wall plastics winding pipe |
| 07/30/2008 | CN201093131Y Glass fibre reinforced plastic pressure tube |
| 07/30/2008 | CN201093130Y Jack concave type steel loop concrete top pipe |
| 07/30/2008 | CN201093129Y Projection type jack steel loop concrete top pipe |
| 07/30/2008 | CN201093128Y Jack steel loop concrete top pipe |
| 07/30/2008 | CN201093127Y Jack steel loop prestressed concrete top pipe |
| 07/30/2008 | CN201093126Y Projection type jack steel loop prestressed concrete top pipe |
| 07/30/2008 | CN201093125Y Jack concave type steel loop prestressed concrete top pipe |
| 07/30/2008 | CN101230946A Iron pipe coating with nanometer silver for upstream watercource |
| 07/30/2008 | CN101230939A Soldering seam type stainless steel foil pipe |
| 07/30/2008 | CN101230938A Ultrahigh molecular weight polyethylene dead-hard steel wire composite pipeline and manufacture method thereof |
| 07/30/2008 | CA2576710A1 Underground pipeline for transporting fuel |
| 07/29/2008 | US7404438 Solid expandable tubular members formed from very low carbon steel and method |
| 07/24/2008 | US20080174110 Elastomer lined, abrasion resistant pipe and method for manufacture |
| 07/24/2008 | US20080173367 Method and apparatus for preventing foam disbondment |
| 07/23/2008 | EP1945692A1 Marine umbilical comprising hydrolysis resistant polyamides |
| 07/23/2008 | CN201090848Y Plastic composite sulfur resisting tube |
| 07/23/2008 | CN201090847Y Heavy type discharging suction hose |
| 07/23/2008 | CN201090846Y Salt discharging pipe |
| 07/23/2008 | CN201090845Y Sand blasting hose |
| 07/23/2008 | CN201090844Y Prefabricated flange steel wire netting framework polythene composite pipe |
| 07/23/2008 | CN201090843Y Heavy caliber gas pipe for coal mine downhole |
| 07/23/2008 | CN201090842Y Anti-water leakage heat preservation drain pipe |
| 07/23/2008 | CN201090841Y Stainless steel composite tube |
| 07/23/2008 | CN201090840Y Embossed stainless steel tube |
| 07/23/2008 | CN101227983A Multilayer plastic anticorrosive coating having improved properties |
| 07/23/2008 | CN101225912A Method for producing airflow type composite metal-plastic pipe |
| 07/23/2008 | CN101225911A Central air-conditioning pipe |
| 07/23/2008 | CN101225198A Super high molecular weight reinforced high thermal-conductive polyethylene pipe for ground source heat pump |
| 07/23/2008 | CN100404942C Pipe network for connecting metal composite plastic pipe and plastic pipe |
| 07/23/2008 | CN100404940C Composite pipe |
| 07/17/2008 | WO2008084140A1 Multiple layer pipe |
| 07/17/2008 | DE202008006379U1 Koaxialprofil Koaxialprofil |
| 07/17/2008 | DE202008006360U1 Vorrichtung zum Verlegen von Rohrleitungselementen Apparatus for laying pipe elements |
| 07/17/2008 | CA2704587A1 Multiple layer pipe |
| 07/16/2008 | EP1944385A1 High-manganese austenitic stainless steel for high-pressure hydrogen gas |
| 07/16/2008 | EP1943449A1 Use of polyamide 11 for internal coating of a gas pipeline for reducing pressure drops |
| 07/16/2008 | EP1697109B1 Method and device for applying a reinforcement to a plastic pipe by way of a wrap welding process |
| 07/16/2008 | CN101223214A Use of a particular composition for producing parts by filament winding |
| 07/16/2008 | CN101220897A Corrosion-proof plastic-coated cooling red copper tube for special vessel and its manufacturing method |
| 07/16/2008 | CN101220895A Abrasion-proof ceramic compound patch and conveying pipe made of the same |
| 07/16/2008 | CN101220892A Bidirectional socket pipe member and production method thereof |
| 07/16/2008 | CN100402910C Fluid loading system |
| 07/15/2008 | CA2536496C Positive pressure gas jacket for a natural gas pipeline |
| 07/15/2008 | CA2424533C Automobile fluid transport tube |
| 07/10/2008 | WO2008082174A1 Method and apparatus for inserting synthetic resin-pipe in the outside-pipe and combined pipe manufactured thereby |
| 07/09/2008 | EP1940710A1 Elbow pipe and method for producing an elbow pipe |
| 07/09/2008 | CN201083307Y Insertion-type aluminum-plastic pipe joint |
| 07/09/2008 | CN201083296Y Composite pipe |
| 07/09/2008 | CN101216213A Electrical water heater and its built-in insulation admitting pipe and built-in insulation outlet pipe |
| 07/09/2008 | CN101216132A Aging-resistant silver-plastic composite pipe |
| 07/09/2008 | CN101215847A Single layer wall polychloroethylene mute drainpipe |
| 07/09/2008 | CN100400951C Steel-plastic composite pipe with bridge type framework |
| 07/09/2008 | CN100400950C Co-extruded tubing |
| 07/08/2008 | US7396597 Ni-Cr-Fe alloy and Ni-Cr-Fe alloy pipe having resistance to carburization and coking |
| 07/08/2008 | CA2474629C Co-extruded tubing |
| 07/03/2008 | WO2008079696A2 Cryosurgical probe with vacuum insulation tube assembly |
| 07/03/2008 | WO2008077773A1 Polyolefin composition for pipe systems and sheets |
| 07/03/2008 | WO2008077312A1 A metal composite pipe, a producing method thereof and a continuous anticorrosion pipeline produced by the metal composite pipes |
| 07/03/2008 | US20080160236 Structural Reinforcement System |
| 07/03/2008 | DE19737670B4 Vorrichtung zur Leitung einer Flüssigkeit Apparatus for conducting a liquid |
| 07/03/2008 | DE102007054732A1 Connection arrangement for use in motor vehicle air conditioner, particularly for heat exchanger, has pipe like projection in annular groove which shuffle in inner region of internal pipe of coaxial pipe or pipe arrangement |
| 07/02/2008 | EP1691967B1 Device and method for producing filament-wound pipes |
| 07/02/2008 | EP1436539B1 Bulkhead assembly for use in pipe-in-pipe systems |
| 07/02/2008 | CN201081074Y Double composite anti-corrosive metal pipe |
| 07/02/2008 | CN201081055Y Intercooler pipe for air admission and exhaust |
| 07/02/2008 | CN201081054Y Double layer pipe capable of welding |
| 07/02/2008 | CN201081053Y Stainless steel composite tube |
| 07/02/2008 | CN201081052Y Two-sided anti-corrosive metallic composite tube hot melting connection pipe fitting |
| 07/02/2008 | CN201080010Y Device for manufacturing steel-plastic composite pressure pipe |
| 07/02/2008 | CN101213065A Extrusion method and extrusion apparatus |
| 07/02/2008 | CN101210635A Electricity-insulation wall water pipe |
| 07/02/2008 | CN101210634A Combined pipeline |
| 07/02/2008 | CN101210092A Oil pipeline material composition and use thereof |
| 07/01/2008 | US7393597 In mass percent, C: at most 0.04%, Si: at most 1.0%, Mn: at most 3%, P: at most 0.02%, S: at most 0.005%, Cr: 15.0-25.0%, Ni: at least 30%, Mo: at most 10% and/or W: at most 10%, Nb: 2.5-5.0%, and at most 3.0% of Al and/or at most 0.5% Ti ; for use in a high pressure hydrogen gas environment |
| 06/26/2008 | WO2008036583A3 Tubing and method for manufacture |
| 06/26/2008 | US20080149309 Hot Water Heat Transfer Pipe |
| 06/26/2008 | US20080149212 Protection Tube Which Is Resistant To High Temperatures |
| 06/26/2008 | US20080149211 formed by molding and thermosetting a mixture of polyimide and fluororesin particles, fluoropolymer particles present in the vicinity of a surface layer of the tube is melted and flowed into an outer face or both inner and outer faces and oozes out so as to form a fluoropolymer layer; high durability |
| 06/26/2008 | US20080149210 Light and Reinforced Undersea Coaxial Pipe Element |
| 06/26/2008 | US20080148797 Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method |
| 06/26/2008 | US20080148740 Apparatus for transferring a cryogenic fluid |
| 06/26/2008 | DE202008005387U1 Unterfahrschutz hinten für Straßenfahrzeuge Rear protective devices for road vehicles |
| 06/25/2008 | EP1740870B1 Multilayered pipe |
| 06/25/2008 | CN201078525Y Steel strip enhancement polythene helical bellows of spigot-and-socket electric melting connecting type |
| 06/25/2008 | CN201078524Y New type water pipe |