| Patents for F16L 9 - Rigid pipes (18,006) |
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| 05/14/2008 | CA2610330A1 Combined supply and exhaust apparatus |
| 05/13/2008 | US7371293 Cold finished seamless steel tubes |
| 05/08/2008 | US20080107846 Composite Hollow Body And Method And Device For Making Same |
| 05/08/2008 | US20080105322 Metal plate for producing flat tube, flat tube and process for producing the flat tube |
| 05/08/2008 | DE102007050451A1 Pipeline conduit for flow of fluid from two coaxial conduit pipes of different diameters, has hood whose annular space arranged near to free ends of conduit pipes is over stretched, which overlaps free ends of outer pipes |
| 05/07/2008 | EP1468235B1 Welded multi-chamber tube |
| 05/07/2008 | CN201057321Y Novel helical ventilation pipe |
| 05/07/2008 | CN201057320Y Novel helical ventilation pipe |
| 05/07/2008 | CN201057319Y Compound steel pipe with polytetrafluoroethylene film pressing stuck to inner wall |
| 05/07/2008 | CN201057318Y Ocean floor pipe and joint coating of fast hard polymer concrete coating |
| 05/07/2008 | CN201057317Y Ocean floor oil pipeline and joint coating of polyurea protective covering |
| 05/07/2008 | CN201057316Y Heavy caliber double-layer submerged arc welding pipe |
| 05/07/2008 | CN201057315Y Brass coil pipe |
| 05/07/2008 | CN101175667A Pipeline for conducting air for air conditioning in aircrafts |
| 05/07/2008 | CN101173729A Thin walled pipe for concrete filling |
| 05/07/2008 | CN101173728A Thin walled pipe for concrete filling |
| 05/07/2008 | CN101172292A Hydroformed tubular members and method of hydroforming tubular members for vehicles |
| 05/07/2008 | CN100386553C Stepped combined winding and socket fitting type structure wall pipe and machining method thereof |
| 05/06/2008 | US7368154 Heat-resistant plastic tube |
| 05/01/2008 | US20080099220 Pipe, method for production thereof and corresponding tool |
| 04/30/2008 | EP1916055A2 Pipe, method of manufacturing same and corresponding tool |
| 04/30/2008 | EP1915559A1 Hollow body with double barrier layer |
| 04/30/2008 | DE102006050869A1 Sound proofing device for air pipe line of airplane, has air conduction means that is arranged within curved pipe section that is equipped with micro perforation at side surface for further weight neutral sound proofing |
| 04/30/2008 | CN201053555Y Prestressed steel barrel concrete manhole tube |
| 04/30/2008 | CN201053543Y Antistatic flame-retardant nano hybrid fiber composite material pipe |
| 04/30/2008 | CN201053542Y Corrugated tube improved structure |
| 04/30/2008 | CN201053541Y High intensity seamless PVC air tube |
| 04/30/2008 | CN201053540Y Metal reinforced rib possessed polyethylene winding structural wall pipe material |
| 04/30/2008 | CN101169199A Pipe, manufacturing process thereof and corresponding tool |
| 04/30/2008 | CN101169198A Electrical bushing |
| 04/30/2008 | CN101169197A Hollow circular pipe frame for sandwich structure |
| 04/30/2008 | CN100385027C Metal dusting resistant product |
| 04/30/2008 | CN100384559C Multiple pipe, method of manufacturing the multiple pipe and device for manufacturing multiple pipe |
| 04/29/2008 | US7363945 Low chamfer angled torque tube end fitting with elongated overflow groove |
| 04/26/2008 | CA2606942A1 Pipe, manufacturing process thereof and corresponding tool |
| 04/24/2008 | WO2008046938A1 Method and means for producing moulded pipes with a microcellular cranial structure |
| 04/24/2008 | WO2008046878A1 Device and method for the filament winding of long tubes and long tubes realised according to said method |
| 04/24/2008 | WO2007115800A3 Fluid duct, and flexible pipe for a fluid duct |
| 04/24/2008 | US20080096038 Method for Friction-Stir-Welding Hollow Workpieces |
| 04/24/2008 | US20080092976 Blower duct |
| 04/24/2008 | US20080092975 Heater core connector |
| 04/24/2008 | DE102006049338A1 Mehrschichtiges Kunststoffrohr A multilayer plastic pipe |
| 04/24/2008 | DE102006049224A1 Fuel supply system i.e. common rail fuel supply system, for internal combustion engine i.e. marine diesel internal combustion engine, has casing with wall thickness withstanding emergency operating pressure in case of fuel line breakage |
| 04/23/2008 | EP1913898A2 Helical tubing |
| 04/23/2008 | EP1912772A2 Method and apparatus for the production of hollow moulded articles and a hollow moulded article made by the method |
| 04/23/2008 | CN201050646Y Enwound tube section bar |
| 04/23/2008 | CN201050645Y Super-clean wind pipe for semiconductor air conditioner system |
| 04/23/2008 | CN101165380A Steel strip spiral forming glass reinforced plastic mortar pipe production method and its apparatus |
| 04/23/2008 | CN101165336A Fuel feeding equipment for internal combustion engine |
| 04/23/2008 | CN101165089A Nano-stage hard polyvinyl chloride pipe |
| 04/23/2008 | CN100383451C Stainless steel polyester plastic compositepipe, and its manufacturing method |
| 04/22/2008 | US7361835 Toneable conduit and method of preparing same |
| 04/22/2008 | US7360797 Coupling assembly and method |
| 04/22/2008 | CA2194433C Drainage pipe |
| 04/17/2008 | WO2008044264A1 Water activating module, water activating module tube composed of assembly thereof and water activating apparatus utilizing these |
| 04/17/2008 | WO2008043237A1 Metal pipe with lining and its manufacturing method |
| 04/17/2008 | US20080090040 Low molecular weight and high molecular weight copolymers of ethylene-alpha olefin, single site catalyst, hydrostatic design, superior pipe properties to current unimodial pipe products |
| 04/17/2008 | US20080087336 Fluid-processing apparatus and fluid-processing system |
| 04/17/2008 | DE10300514B4 Durchflußwegstruktur eines Hohlrohrs Flow path structure of a hollow tube |
| 04/17/2008 | DE102006048500A1 Fluid line for transporting and dosing fluid i.e. urea/water solution, for selective catalyst reduction catalyser, has cross-sectional form deformed steadily based on circular form such that inner periphery of fluid line is unchanged |
| 04/17/2008 | DE102006047574A1 Leitungsoptimierung zum Verhindern von Einfrieren Line optimization to prevent freezing |
| 04/17/2008 | DE102005040727B4 Flexibles Rohr für ein Abgasrohr eines Kraftfahrzeugs A flexible pipe for an exhaust pipe of a motor vehicle |
| 04/17/2008 | DE102005016030B4 Dämmmaterial Insulation |
| 04/16/2008 | EP1911798A1 Low migration polyolefin composition |
| 04/16/2008 | EP1910727A1 Refrigerant conduit |
| 04/16/2008 | EP1910726A1 Refrigerant line |
| 04/16/2008 | EP1910725A1 Coolant conduit |
| 04/16/2008 | CN201047468Y PE-RT copper pipe |
| 04/16/2008 | CN201047467Y Composite connecting pipe for air conditioner |
| 04/16/2008 | CN201047466Y Steel cement ventilating duct having steel flange |
| 04/16/2008 | CN101162066A Method for producing fiber reinforcement nylon tube and fiber reinforcement nylon tube produced thereby |
| 04/16/2008 | CN101161714A Mining down-hole polyethylene pipe |
| 04/15/2008 | CA2349939C A method of producing a shaped article having excellent barrier properties |
| 04/15/2008 | CA2299679C Process for manufacturing pipes |
| 04/10/2008 | WO2008040505A1 Polyethylene composition for pressure pipes with enhanced flexibility |
| 04/10/2008 | WO2008040504A1 Polyethylene composition for pressure pipes with enhanced flexibility |
| 04/10/2008 | WO2008040501A1 Low migration polyolefin composition |
| 04/10/2008 | WO2008040052A1 Composite reinforced strip windable to form a helical pipe and method therefor |
| 04/10/2008 | WO2005119150A3 Cryogenic pipeline configurations and methods |
| 04/10/2008 | US20080083470 Hydraulic pipe for transporting a cooling liquid |
| 04/10/2008 | CA2665348A1 Composite reinforced strip windable to form a helical pipe and method therefor |
| 04/10/2008 | CA2665279A1 Polyethylene composition for pressure pipes with enhanced flexibility |
| 04/09/2008 | EP1909014A1 Polyethylene composition for pressure pipes with enhanced flexibility |
| 04/09/2008 | EP1909013A1 Polyethylene composition for pressure pipes with enhanced flexibility |
| 04/09/2008 | CN201045426Y Oval-shaped oil collecting pipe |
| 04/09/2008 | CN201045425Y Enhancement type PVC pipe |
| 04/09/2008 | CN101158435A Non patch welding inside lining glass fibre reinforced plastic pipe |
| 04/09/2008 | CN101158432A PCCP pipe-jacking relaying ring |
| 04/09/2008 | CN101158425A Steel lining ultra-high molecular mass polyethylene tube |
| 04/09/2008 | CN101158424A Metal mesh plastic composite pipe winded with reinforced structure and preparation method thereof |
| 04/09/2008 | CN101158423A Silicone hydride crosslinked polypropylene pipe |
| 04/09/2008 | CN101157152A Portrait hatch guide tube and its preparation method |
| 04/09/2008 | CN100380040C Coextruding heat winding structure wall pipe, processing method and mould |
| 04/03/2008 | WO2008039076A1 System and method for the production of composite tubular members and a tubular member made thereof |
| 04/03/2008 | WO2008038013A2 Insulated ductwork products |
| 04/03/2008 | DE202006017755U1 Rohrstrang aus wenigstens zwei koaxialen Leitungsrohren Tubing from at least two coaxial pipes |
| 04/03/2008 | DE102006046810A1 Flexible shaft or pipe for electrical installations in constructions, particularly in construction, is made of propylene or special plastic with portions of propylene with different diameter with certain mixture ratio of polymers |
| 04/03/2008 | DE102006045650A1 Forced flow helix channel for thermal converter, fluid mixer or catalyzer, has external flow channel provided with radial fluid bridge to central flow channel |
| 04/03/2008 | DE102005028444B4 Rohr Tube |
| 04/03/2008 | CA2664046A1 Insulated ductwork products |