| Patents for F16L 9 - Rigid pipes (18,006) |
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| 08/26/2009 | CN100532403C Polyolefine plastic composite pipe for ground temperature radiation heating and refrigeration |
| 08/26/2009 | CN100531984C Longitudinal hatch guide tube and its preparation method |
| 08/25/2009 | US7579056 Hydrophobic formulations and vessel surfaces comprising same |
| 08/25/2009 | US7578315 Compound pipe |
| 08/20/2009 | WO2009100615A1 Welding seam stainless steel foil tube |
| 08/20/2009 | US20090208350 Tube unit, control unit, and micropump |
| 08/20/2009 | US20090208295 Drilling rig riser identification apparatus |
| 08/20/2009 | US20090205738 Insulated article and method of making same |
| 08/20/2009 | US20090205737 Insulated pipe and method for preparing the same |
| 08/20/2009 | US20090205733 Methods and systems for in situ pipe lining |
| 08/20/2009 | DE102008008321A1 Multi-layered plastic pipe for butt welding, has two extruded layers of plastic, where certain layer is made of thermally welded plastic, and welding layer is formed in nuclear range or external area |
| 08/20/2009 | DE102007026805B4 Mediendichtes Bauteil, insbesondere Entlüftungsrohr, umfassend mindestens ein Metallteil und mindestens ein Kunststoffteil Dense Media component, in particular vent tube comprising at least one metal part and at least one plastic part |
| 08/19/2009 | EP2090267A2 Piping |
| 08/19/2009 | EP1545863B1 Conduits and method of forming |
| 08/19/2009 | CN201293158Y Regeneration pipe material |
| 08/19/2009 | CN201293157Y PE winded composite pipe |
| 08/19/2009 | CN101509579A Designing and manufacturing method for thin-wall metal case lining plastic pipe |
| 08/19/2009 | CN101508805A Electrostatic resistant polythene mining tube mother material and preparation method thereof |
| 08/19/2009 | CN100528537C Device and method for producing filament-wound pipes |
| 08/18/2009 | US7575789 Coated pipes for conveying oil |
| 08/18/2009 | US7574778 Interlocking cords |
| 08/14/2009 | CA2621322A1 Double walled corrugated pipe section with pipe coupling |
| 08/13/2009 | US20090202715 Fluoropolymer Composition |
| 08/13/2009 | US20090199924 Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method |
| 08/13/2009 | US20090199659 Gasket |
| 08/12/2009 | EP2088380A2 Duct system for ventilation systems |
| 08/12/2009 | EP2087979A1 Apparatus for mixing granular inert material and resin binder in the manufacture of laminated articles made of composite material |
| 08/12/2009 | CN201288902Y Special plastic-steel spiral composite pipe |
| 08/12/2009 | CN201288901Y Spiral stiffener composite pipe |
| 08/12/2009 | CN201288900Y PVC/PE steel plastic composite pipe |
| 08/12/2009 | CN101504091A Pipe and manufacturing method thereof |
| 08/11/2009 | US7571745 Exhaust-gastight decoupling element from stripwound hoses |
| 08/06/2009 | WO2009096075A1 Multilayered cylindrical molding |
| 08/06/2009 | WO2009095941A1 Multilayer hose for conveying an aqueous solution containing urea |
| 08/06/2009 | WO2009094977A1 Method for producing fiber-wrapped steel pipes having a corrosion protection sheathing |
| 08/06/2009 | WO2009053083A3 Pipe for temperature control |
| 08/06/2009 | US20090197031 A pipe integrated into aircraft piping; the pipe produced from a composite material of a fiber-reinforced geopolymer resin matrix impregnated in the fibers with a sialate-type geopolymer resin; the fiber finish removed prior to impregnation with the resin; heat resistance |
| 08/06/2009 | US20090196704 Deburring welded pipe |
| 08/06/2009 | US20090194187 Application of Hydraulic Friction Reducing Internal Diameter Coatings for Fire Protection Piping |
| 08/06/2009 | DE102008007611A1 Multi-chamber flat pipe for use in e.g. exhaust gas cooler, in internal-combustion engine of motor vehicle, has bar formed with edge sections of side section of metal strip and part of edge sections forming arrangement for bar flap |
| 08/06/2009 | DE102008007610A1 Multi-chamber flat tube for use in e.g. high temperature heat exchanger, to exchange heat between exhaust gas and coolant in motor vehicle, has bar with edge portions partially formed as part of side sections of metal strip |
| 08/06/2009 | DE102008007601A1 Multi-chamber flat pipe has two chambers for flow admission of fluid, where chambers are manufactured, particularly in bend or folding method, by forming broad strip |
| 08/06/2009 | DE102008007600A1 Multiple chamber-flat tube for heat exchangers such as heaters, evaporators and condensers, has two chambers for receiving flow of fluids, and chambers are manufactured by shaping metal band |
| 08/06/2009 | DE102008007597A1 Multi-chamber flat pipe manufacturing method for heat exchanger e.g. exhaust gas heat exchanger, involves attaching bar to edge area of strip through shaping, and forming strip for forming flat pipe, such that profile is closed |
| 08/06/2009 | DE102008007226A1 Composite pipe for use as drain pipe, energy pile or earth collector, comprises inner pipe with constant diameter and outer pipe, which is formed as corrugated pipe with helical wave crest and wave trough running around inner pipe |
| 08/06/2009 | DE102004064009B4 Rohrverbinder Pipe Connector |
| 08/05/2009 | EP2084465A1 Pipe arrangement |
| 08/05/2009 | CN201284894Y Elongated ox horn core rod |
| 08/05/2009 | CN201284887Y Plastic flared pipe fittings |
| 08/05/2009 | CN201284624Y Stainless steel inner lining pipe and coupling assembly |
| 08/05/2009 | CN101501405A Metal sheet ventilation/smoke duct section and manufacturingmethod the reof |
| 08/05/2009 | CN101500829A Air conditioner for vehicle |
| 08/05/2009 | CN101498390A Glass fibre reinforced plastic and prestress steel cylinder concrete composite pipes and manufacturing process thereof |
| 08/05/2009 | CN101498389A Cement mortar external lining prestress steel pipe |
| 08/05/2009 | CN101498388A Inner lining concrete prestress steel pipe |
| 08/05/2009 | CN101498387A Metal framework reinforced plastic composite pipes and method for manufacturing the same |
| 08/05/2009 | CN101498386A Metal framework reinforced plastic composite pipe network and connecting method |
| 08/05/2009 | CN101498385A Metal framework reinforced plastic composite pipes and method for manufacturing the same |
| 08/05/2009 | CN101498384A Prestress steel pipe |
| 08/05/2009 | CA2652854A1 Application of hydraulic friction reducing internal diameter coatings for fire protection piping |
| 07/30/2009 | WO2009094229A2 High pressure connection systems and methods for their manufacture |
| 07/30/2009 | WO2009094228A2 High pressure connection systems and methods for their manufacture |
| 07/30/2009 | US20090189367 Outer tube for front fork |
| 07/30/2009 | DE102008005987A1 Tube, particularly hydraulic tube for motor vehicles or hydraulic pumps, comprises tube mantle, which is lined radially inside with porous material in sections for sound absorption or for sound proofing |
| 07/30/2009 | DE102005023148B4 Rohrleitung zur Durchleitung von Luft zur Klimatisierung in Luftfahrzeugen Conduit for the passage of air for air conditioning in aircraft |
| 07/29/2009 | EP2082796A1 Olefin production furnace with a helical tube |
| 07/29/2009 | EP1590167A4 Duct board with water repellant mat |
| 07/29/2009 | CN201281181Y Plastic clad steel band binding pipe |
| 07/29/2009 | CN201281180Y Large caliber binding pipe |
| 07/29/2009 | CN201281179Y Composite steel tube with inner liner corrosion-resistant alloy layer end sealing welding |
| 07/29/2009 | CN101495793A Pre-applied protective jacketing construction for pipe and block insulation |
| 07/29/2009 | CN101493163A Anti-stepping stainless steel thermal insulating pipe sheath |
| 07/29/2009 | CN101493162A Rectangle thin wall pipe material and method for manufacturing same |
| 07/29/2009 | CN100520140C Fiberglass sand inclusion pipe with axial direction fibre and manufacturing method |
| 07/29/2009 | CN100520139C Heavy caliber high-strength plastic wound pipe having pipe wall made of wrapping material and manufacture method therefor |
| 07/29/2009 | CN100520138C Technique for processing semihard phosphorus deoxidized copper pipes |
| 07/25/2009 | CA2650182A1 Corrugated pipe with outer layer |
| 07/23/2009 | US20090183502 Exhaust pipe |
| 07/22/2009 | EP2079954A2 Insulated ductwork products |
| 07/22/2009 | EP2079953A1 Composite reinforced strip windable to form a helical pipe and method therefor |
| 07/22/2009 | EP1987280B1 Element comprising coaxial pipes and production method thereof |
| 07/22/2009 | CN201277394Y Pipes with corrosion-resistant nickel layer |
| 07/22/2009 | CN201277393Y Novel corrosion-resistant double-layer pipes |
| 07/22/2009 | CN201277392Y Reinforced concrete well tube |
| 07/22/2009 | CN201277391Y Special steel-plastic composite pipe for fire-fighting |
| 07/22/2009 | CN201277390Y Reducing non-junction corrugated connecting pipe |
| 07/22/2009 | CN201277389Y Temp resistance compound thermal insulating tube |
| 07/22/2009 | CN201277388Y Corrosion-resistant composite pipe fittings |
| 07/22/2009 | CN201277387Y Corrosion-resistant composite pipe fittings |
| 07/22/2009 | CN201277386Y High-strength, fire-resistant and corrosion-resistant composite pipes |
| 07/22/2009 | CN201277385Y High-strength, fire-resistant and corrosion-resistant composite pipes |
| 07/22/2009 | CN100516616C Integrally formed flanged metal pipe and method of manufacturing thereof |
| 07/22/2009 | CN100516612C Method for producing fiber reinforcement nylon tube and fiber reinforcement nylon tube produced thereby |
| 07/22/2009 | CN100516611C Steel faucet longitudinal rib prestressed concrete pipe |
| 07/16/2009 | WO2009087415A1 A tubular article |
| 07/16/2009 | WO2009087036A1 Use of an improved solid vanadium-containing ziegler-natta catalyst system for producing ethylene polymer compositions in a multistage process |
| 07/16/2009 | CA2711553A1 A tubular article |
| 07/15/2009 | CN201273402Y Stainless steel bellows |
| 07/15/2009 | CN201273401Y Random copolymerization polypropylene socket crooked pipe |
| 07/15/2009 | CN201273400Y Nano glass inner lining steel pipe |