| Patents for F16L 9 - Rigid pipes (18,006) |
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| 05/11/2011 | CN102052524A Prestressed concrete glass reinforced plastic composite pipe and preparation method thereof |
| 05/11/2011 | CN102052523A Steel belt reinforced composite lap joint belt material for plastic-steel wound pipe |
| 05/11/2011 | CN102052522A Prestress steel cylinder tube with internal and external dual-protective layers |
| 05/11/2011 | CN102052521A High-pressure resistant oil and gas pipeline |
| 05/11/2011 | CN102052520A Cold and hot pipe material for petrochemical industry |
| 05/11/2011 | CN102052519A Prestress high-pressure steel tube with high rotproofness |
| 05/11/2011 | CN102051500A Corrosion resistant copper alloy pipe for air conditioning and refrigeration |
| 05/11/2011 | CN102051005A Flame-retardant polyvinyl chloride (PVC) plastic pipe |
| 05/11/2011 | CN102050996A Composite material for preparing PP-R nano pipe and method for preparing PP-R nano pipe from same |
| 05/11/2011 | CN102049847A PVC-U (Unplasticized Poly Vinyl Chloride) hollow-wall internal-screw sound absorbing tube and preparation method thereof |
| 05/11/2011 | CN101713477B Glass fiber reinforcement polypropylene composite pipe with reinforcement layer |
| 05/11/2011 | CN101633759B PE-RT modified special material for steel frame-plastic complex pipe |
| 05/11/2011 | CN101418095B Plastic alloy and preparation method and use thereof |
| 05/10/2011 | US7938148 Method of thermally insulating coaxial pipes with a particulate insulating material |
| 05/10/2011 | US7938147 Apparatus and method for axially transferring fluids to a plurality of components |
| 05/05/2011 | US20110101676 Pipe stalk and method of assembling a pipeline therefrom |
| 05/05/2011 | DE102010046238A1 Fresh air intake hose for the connection with a combustion engine, comprises first and third hose section, which are formed as connection parts on components of the combustion engine, made of a heat-resistant plastic material |
| 05/05/2011 | DE102009051504A1 Tube element for solid body actuator, has tube casing formed from seamless fabric with warp threads extending in direction of longitudinal axis, where warp threads are formed of carbon fibers |
| 05/05/2011 | DE102009017175B4 Verfahren zur Herstellung eines abwinkelbaren Rohrs A method for producing a bendable tube |
| 05/04/2011 | EP2317198A1 Tube for conveying water |
| 05/04/2011 | EP2317197A1 Dimensionally stable tube for conveying water |
| 05/04/2011 | CN201819459U Exhaust overflow pipe used for solar water heater |
| 05/04/2011 | CN201818961U Vacuum transmission pipe and connecting structure |
| 05/04/2011 | CN201818923U Steel-plastic composite wound pipe |
| 05/04/2011 | CN201818922U Fiber reinforced steel-plastic drain pipe |
| 05/04/2011 | CN201818921U Double-rubber-ring pre-stressed steel cylinder concrete pipe |
| 05/04/2011 | CN201818920U Novel water pipe |
| 05/04/2011 | CN201818919U Teflon steel tube |
| 05/04/2011 | CN201818918U Winding steel wire mesh reinforced ultra-high molecular polyethylene pipe |
| 05/04/2011 | CN201818917U Antiskid water pipe |
| 05/04/2011 | CN201818916U Novel plastic/rubber-lined wear-resistant ceramic composite desulfurization pipe |
| 05/04/2011 | CN201818915U High-density polyethylene spiral corrugated pipe with reinforced steel band |
| 05/04/2011 | CN201818914U Reinforced concrete well mouth pipe |
| 05/04/2011 | CN201818913U Non-solid wall steel pipe |
| 05/04/2011 | CN201818912U Metal perforated pipe |
| 05/04/2011 | CN201818911U Water pipe with thread |
| 05/04/2011 | CN201818910U Pipeline |
| 05/04/2011 | CN102046342A Pressure cast concrete or mortar lined steel pipes and methods of making the same |
| 05/04/2011 | CN102046270A Modular membrane housing, membrane housing elements and method for the production thereof |
| 05/04/2011 | CN102042445A Novel medium-pressure or low-pressure ventilating duct |
| 05/04/2011 | CN102042444A Filtering type water diversion pipe |
| 05/04/2011 | CN102042443A Thermoplastic micro foaming injection pipe fitting and preparation method thereof |
| 05/04/2011 | CN102042442A Oxygen resistant pipe made of NF Beta PP-R |
| 05/04/2011 | CN102042441A Pipeline for delivering granular coal |
| 05/04/2011 | CN102042440A Combined eccentric reducing pipe and manufacturing method thereof |
| 05/04/2011 | CN102040834A Polycaprolactam composite material, and preparation method and use thereof |
| 05/04/2011 | CN102040757A High-density polyethylene alloy pipe and manufacturing method thereof |
| 05/04/2011 | CN102040696A Method for producing high-performance polypropylene pipe material |
| 05/04/2011 | CN101644359B Self-flanged steel mesh-reinforced plastic pressure pipe and manufacturing method thereof |
| 05/04/2011 | CN101598249B Environment-friendly high fire-retardant melting sealed double-wall pipe |
| 05/04/2011 | CN101551045B Conduit |
| 05/03/2011 | US7934304 Method of manufacturing lined tubing |
| 04/28/2011 | WO2011048105A1 Ventilation duct |
| 04/28/2011 | WO2011047394A1 Composite pipe |
| 04/28/2011 | US20110094615 Modular Exhaust Tube System |
| 04/28/2011 | US20110094614 Polyisocyanurate-based syntactic coating for offshore applications |
| 04/28/2011 | US20110094613 Pipe for Transporting a Medium and Method for Manufacturing a Pipeline |
| 04/28/2011 | US20110094612 Multilayer tube for transporting water or gas |
| 04/27/2011 | CN201810920U Bimetal protective bending pipe |
| 04/27/2011 | CN201810889U Hush pipe for building |
| 04/27/2011 | CN201810888U Composite flat wall polyethylene steel plastic drain pipe |
| 04/27/2011 | CN201810887U Internal and external double-material water pipe |
| 04/27/2011 | CN201810886U Patterned pipe |
| 04/27/2011 | CN201810885U Water-supply tube having detecting function |
| 04/27/2011 | CN1990537B Material composition of hard polyvinyl chloride pipeline for conveying electronic grade water and accessory thereof |
| 04/27/2011 | CN102032398A Antibacterial oxygen-resistance heatproof composite pipe and preparation method thereof |
| 04/27/2011 | CN102032397A Concrete delivery tube and preparation method thereof |
| 04/27/2011 | CN102031417A Molybdenum-nickel alloy titanium tube and preparation method thereof |
| 04/27/2011 | CN102030937A Formula of modified composite polyethylene tubing |
| 04/27/2011 | CN101706019B Method for manufacturing large-caliber thick-wall seamless steel tube in vertical extrusion way |
| 04/27/2011 | CN101539223B Double-walled plastic pipeline manufacturing method and double-walled plastic pipeline extruding mould |
| 04/26/2011 | US7931050 Nano or sub-nano FIR and anion fuel pipes for motor vehicles and ships |
| 04/26/2011 | US7931049 Nano or sub-nano FIR and anion metal fuel pipes for motor vehicles and like |
| 04/26/2011 | CA2677432C Ventilation duct assembly |
| 04/26/2011 | CA2520160C Jacketed pipe flange and method |
| 04/21/2011 | US20110088805 Heat insulator suitable for a vehicle exhaust pipe |
| 04/21/2011 | US20110088803 System and method for forming of tubular parts |
| 04/21/2011 | US20110088754 Polyurethane coatings for thermally regulating and the use thereof |
| 04/21/2011 | DE102009050072A1 Doppelrohrsystem Double pipe system |
| 04/20/2011 | CN201803003U Submarine pipeline bundle suitable for offshore oil field exploitation |
| 04/20/2011 | CN201803002U Steel wire mesh skeleton pipe capable of preventing pipe end from rusting |
| 04/20/2011 | CN201803001U Glass reinforced plastic and metal wire compound pipeline |
| 04/20/2011 | CN201803000U High efficiency, environmental protection and energy-saving muffling wind pipe |
| 04/20/2011 | CN201802999U Agricultural irrigation and drainage reinforced water pump pipe |
| 04/20/2011 | CN201802998U Seabed bunched steel pipe with nanometer silica aerogel heat-insulation layer |
| 04/20/2011 | CN102022590A Method for reducing flowing water noise of drain pipe |
| 04/20/2011 | CN102022589A Method and device for preparing composite tube having axial fibers |
| 04/20/2011 | CN102022588A Plastic-lined steel plastic composite tube and manufacturing method thereof |
| 04/20/2011 | CN102022587A Double-layer steel-strip-reinforced plastic spiral tube |
| 04/20/2011 | CN102022586A Reinforced plastics spiral tubular product of composite steel strip |
| 04/20/2011 | CN101737574B Preparation method of thin-wall tubular product of particle-reinforced aluminum-based composite material |
| 04/20/2011 | CN101538384B Polyethylene pipe workpiece for water supply |
| 04/20/2011 | CN101482213B Plastic lining composite pipe |
| 04/20/2011 | CN101038048B Polyethylene coated steel pipe, online production and equipment thereof |
| 04/14/2011 | WO2011043837A1 Mountable traversing carriage |
| 04/14/2011 | WO2011042339A1 Multilayer tube with an aluminium alloy core tube |
| 04/14/2011 | WO2011005037A3 Composite pipe and a production method therefor |
| 04/14/2011 | US20110086191 Novel copolymers |
| 04/13/2011 | EP2307814A1 Duct means for an air flow or a gas flow and a method for manufacturing, handling and mounting said duct means |
| 04/13/2011 | CN201795193U Polypropylene silencing internally spiral drain pipe |