| Patents for F16L 9 - Rigid pipes (18,006) |
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| 01/17/2007 | CN1896576A Anticorrosive, high-temperature and pressure-resisting pipeline materials |
| 01/16/2007 | US7163030 Rectangular and square double wall ducting systems |
| 01/16/2007 | US7163029 Pressurized fluid conduit |
| 01/11/2007 | WO2007004919A2 Composite article for transporting and/or storing liquid and gaseous media and a method for the production thereof |
| 01/11/2007 | WO2007003717A1 Extrusion method and extrusion apparatus |
| 01/11/2007 | WO2007003111A1 A water pipe |
| 01/11/2007 | US20070009689 Method of manufacturing a reference electrode |
| 01/10/2007 | EP1741548A1 Fluid transfer member |
| 01/10/2007 | EP1740870A1 Multilayered pipe |
| 01/10/2007 | EP1740869A1 A tube reinforced with a polymer and steel cord strip |
| 01/10/2007 | CN2856668Y Steel/plastic composite tube with bridge type skeleton |
| 01/10/2007 | CN2856667Y Steel skeleton of electrical molten casing |
| 01/10/2007 | CN2856666Y Bimetal composite delivery pipeline made of vacuum negative pressure cast special alloy |
| 01/10/2007 | CN2856665Y Single-layer thermal insulation tube |
| 01/10/2007 | CN1894534A Coated pipes for conveying oil |
| 01/10/2007 | CN1892087A Steel-plastic composite pipe |
| 01/10/2007 | CN1892086A Glass fiber reinforced plastic pipeline and its production process |
| 01/10/2007 | CN1294161C Butene-1-(Co) polymers and process for their preparation |
| 01/09/2007 | US7160593 Polyefinic pipe having a chlorinated polyolefinic hollow core |
| 01/09/2007 | US7160591 comprising a fluoropolymer and a thermally conductive material (metals); improves anti-fouling properties; chemical resistance |
| 01/09/2007 | US7160409 Structure for wound fiber reinforced plastic tubing and method for making |
| 01/09/2007 | US7160024 Apparatus and method for creating a vortex flow |
| 01/09/2007 | US7159620 Pipe blanket to fit a variety of pipe diameters |
| 01/04/2007 | WO2007001186A1 A method for forming a closed canal in a pipe wall, and such a pipe |
| 01/04/2007 | WO2007000569A1 Pipe structure and methods of laying and use of a pipeline including such a pipe structure |
| 01/04/2007 | WO2007000298A1 Shaft centre part |
| 01/04/2007 | US20070000551 Carrier Tube For Sensors Or Samplers |
| 01/04/2007 | DE102005028766A1 Rohrleitung sowie Verfahren zur Herstellung der Rohrleitung Piping and methods for producing the pipe |
| 01/03/2007 | EP1737649A2 Lined vessels for conveying chemicals |
| 01/03/2007 | CN2854275Y Joint for plastic steel composite pipe |
| 01/03/2007 | CN2854274Y Metal cladded strengthening plastic pipe |
| 01/03/2007 | CN1890498A Method of determining strain hardening characteristics of line pipe |
| 01/03/2007 | CN1888506A Plain end screw pipe and processing method thereof |
| 01/03/2007 | CN1888505A Polyester acid-resisting high-pressure for composite pipe for oil field use and producing process thereof |
| 01/03/2007 | CN1888504A Butt-joint mouth processing cast iron pipe |
| 01/03/2007 | CN1292889C Method and equipment for mfg. hollow spiral and products manufactured by said equipment |
| 01/02/2007 | US7156126 Pipe insert and pipe assembly formed therewith |
| 01/02/2007 | CA2305148C Composite spoolable tube with sensor |
| 01/02/2007 | CA2231860C Method and apparatus for making an extrusion product, and an extrusion product |
| 12/28/2006 | WO2006137858A2 Cryogenic piping system |
| 12/28/2006 | WO2006136796A2 Method and apparatus for the production of hollow moulded articles and a hollow moulded article made by the method |
| 12/28/2006 | WO2006136794A1 Improvements in or relating to pipelines and method of installation thereof |
| 12/28/2006 | WO2006136597A1 Pipeline and method for manufacturing that pipeline |
| 12/28/2006 | US20060289075 Corrugated conduit with reinforcement and flow control features |
| 12/28/2006 | US20060289074 Pipe with a canal in the pipe wall |
| 12/28/2006 | DE102005040727A1 Flexibles Rohr für ein Abgasrohr eines Kraftfahrzeugs A flexible pipe for an exhaust pipe of a motor vehicle |
| 12/28/2006 | DE102005028444A1 Pipe has base wall made of metallic material and pipe ends, in which outer and inner diameters of pipe ends and total thickness of base wall can be changed to achieve optimum roundness for connection with another pipe |
| 12/28/2006 | DE102004012987B4 Verfahren zum Herstellen einer Leitung einer Kälteanlage, insbesondere einer CO2-Kälteanlage A method of manufacturing a line of a refrigeration system, especially a CO2 refrigeration system |
| 12/28/2006 | CA2610355A1 Pipeline and method for manufacturing that pipeline |
| 12/27/2006 | CN2851782Y Anti-corrosion scouring-resistant double-sleeve pressure pipeline |
| 12/27/2006 | CN2851781Y Reinforced dual-wall structure wall pipe |
| 12/27/2006 | CN2851780Y Anti-corrosion zinc-coated nodular cast iron pipe |
| 12/27/2006 | CN2851779Y Joint steel pipe with integrated anti-corrosion alloy lining |
| 12/27/2006 | CN2851778Y Radial corrugated pipe |
| 12/27/2006 | CN1884891A Stepped combined winding and socket fitting type structure wall pipe and machining method thereof |
| 12/27/2006 | CN1884890A Glass fiber reinforced plastic sprinkling tube for desulfurizing tower of electric power plant and preparation method thereof |
| 12/27/2006 | CN1884889A Structure wall pipe for coal mine |
| 12/27/2006 | CN1883927A Apparatus for the manufacture of double-walled pipes |
| 12/26/2006 | US7153124 Preforming thermoplastic ducts |
| 12/26/2006 | US7152633 Heat shield |
| 12/21/2006 | WO2006134842A1 Composite pipe and air-conditioning piping system comprising composite pipe |
| 12/21/2006 | WO2006134077A1 Multilayer plastic anticorrosive coating having improved properties |
| 12/21/2006 | DE102005028651A1 Connection end section providing method for medium guiding metal tube, involves lying tube with its end at catch as counter bearing for forming capacity and fixing tube in section adjacent to end section in force-less form-fit manner |
| 12/21/2006 | DE102005021933A1 Sound-insulating extruded, injection - or blow molded pipes or moldings for domestic installations have foam layer and compact layer, dimensions of pores being controlled and number of pores and size having gradient towards compact layer |
| 12/21/2006 | CA2610202A1 Multilayer plastic anticorrosive coating having improved properties |
| 12/20/2006 | CN2849396Y Composite wear-proof corrosion-proof pipe |
| 12/20/2006 | CN2849395Y Pipe with reinforcing device |
| 12/20/2006 | CN1882799A Cementitious pipes |
| 12/20/2006 | CN1880826A Non-crosslinked thermoplastic pipe end flange of silicane crosslinked polyethylene pipeline and connection pipe network |
| 12/20/2006 | CN1880825A Pipe end flange of steel-frame reinforced composite plastic pipe and method for fabricating same |
| 12/20/2006 | CN1291193C Duct unit for air conditioner |
| 12/20/2006 | CN1290918C Technology for making high-filling modified parent particles of large-diameter high-density polytene corrugated tube |
| 12/20/2006 | CN1290909C Polypropylene compositions especially for pipes |
| 12/20/2006 | CN1290902C Nano anticorrosive antibacterial plastic-metal composite pipe and its manufacturing method |
| 12/19/2006 | US7150100 Method of forming a jacketed steam distribution tube |
| 12/19/2006 | CA2252932C Pressure tube of a plastic material |
| 12/14/2006 | WO2006131660A1 Air circulating duct having sound absorption properties |
| 12/14/2006 | US20060280890 Impervious, chemically stable thermoplastic tubing and film |
| 12/14/2006 | US20060279082 Tube having multi-channel tube and branch tubes, connection structure thereof and connection method therefore |
| 12/14/2006 | US20060278293 Pressure measuring line, particularly for invasive blood pressure measurement |
| 12/14/2006 | CA2611255A1 An improved multilayer pipe |
| 12/13/2006 | EP1729953A1 Flexible laminated plastic pipe having a chlorinated poly(vinyl chloride) (cpvc) hollow core |
| 12/13/2006 | CN2846950Y Composite sound-proof pipe |
| 12/13/2006 | CN2846949Y Anti-high temperature composite pipe |
| 12/13/2006 | CN1877182A Through type thin-walled metal-plastic composite pipe fitting and production method thereof |
| 12/12/2006 | CA2343649C Extruded, injection moulded, or blow moulded pipes, fittings or shaped parts of plastic, for assembling pipelines for liquid semi-solid or gaseous media |
| 12/07/2006 | WO2006129029A2 Multilayer tube for transporting water or gas |
| 12/07/2006 | WO2006129014A2 Use of a particular composition for producing parts by filament winding |
| 12/07/2006 | US20060273491 Preforming Thermoplastic Ducts |
| 12/07/2006 | US20060272728 Hinged and segmented pipe |
| 12/07/2006 | US20060272727 Insulated pipe and method for preparing same |
| 12/07/2006 | DE102005025286A1 Fluid pipe e.g. for transmission of heat-transfer agent, has in cross section profile outer contour with two opposite contact surfaces and in installed condition transverse to tubing longitudinal direction gas flowing through ribs |
| 12/07/2006 | CA2610783A1 Multilayer tube for transporting water or gas |
| 12/06/2006 | CN2844613Y Super-long thin pipe |
| 12/06/2006 | CN2844612Y Hot-melt connected aluminium-plastic composite gas pipe |
| 12/06/2006 | CN2844611Y Polyurethane foaming jacket pipe of tar asphalt |
| 12/06/2006 | CN2844610Y Steel-wire reinforced polymer pipe |
| 12/06/2006 | CN2844609Y Sand-inclusion pipeline of quartz sand and resin pre-mixed glass fibre reinforced plastics |
| 12/06/2006 | CN2844608Y Sectional-pipeline spacing spigot and socket connecting structure with stainless-steel lining |
| 12/06/2006 | CN1873279A Plastic composite tube enhanced by framework of wire-cloth from steel wire |