F16L 9 - Rigid pipes - Patents Sitemap

Patents for F16L 9 - Rigid pipes (18,006)
12/2004
12/09/2004	WO2004106793A2 Metal reinforced high density polyethylene pipes
12/09/2004	WO2004106038A2 Joining of multilayer thermoplastic pipes
12/09/2004	DE20311617U1 Fuel line in a motor vehicle incorporates a section where the electrically nonconductive plastic layer is replaced with an electrically conductive collar with use of an electrically conductive adhesive
12/09/2004	DE10321835A1 Compound pipe for pressurized aggressive media comprises a thin-walled stainless steel inner pipe and a pressure resistant outer pipe of pressure-cast aluminum or a reinforced plastic material
12/08/2004	EP1484161A2 Method of forming a conduit
12/08/2004	EP1483101A1 Assembly method and a plastic composite tube
12/08/2004	CN1553071A Manufacturing method for composite metal pipe
12/08/2004	CN1178963C Process for manufacturing of composition comprising ethylene polymers
12/02/2004	US20040243102 Guide catheter having selected flexural modulus segments
12/02/2004	US20040241368 outer tube layer of polyamide resin and inner tube layer of polyetheramide elastomer
12/02/2004	US20040241362 Glossy tubes and pipes
12/02/2004	US20040239010 Fuel filling; extrusion tube; breather pipe; blowing compressed gas
12/02/2004	US20040238982 Method for producing glass-like carbon pipe, and glass-like carbon pipe produced by such method
12/01/2004	EP1481794A1 Corrugated polyamide tube
12/01/2004	EP1286813A4 Method for manufacturing curved thermoplastic tubes
12/01/2004	CN2660275Y Anti-ageing steel/plastic composite tube
12/01/2004	CN2660274Y 多层管 Multilayer Pipe
12/01/2004	CN1551963A Method of reinforcing an existing metal structure, method of reinforcing pipes and method of addition of spur lines to pipelines
11/2004
11/25/2004	WO2004101992A1 Filament-wound composite boom pipe
11/25/2004	DE10319451A1 Piping for recycling of exhaust gas recirculation in an internal combustion engines, like in motor vehicles, comprises at least one section with at least two solid layers with smooth surfaces
11/24/2004	EP1177397B1 Flexible tube with a corrugated inner surface and an insertable component
11/24/2004	CN2658518Y Pressure liquid pipeline
11/24/2004	CN2658517Y Steel-plastic composited tube with multi-layer material composited inner tube
11/24/2004	CN2658516Y Hollow wall plastic tubew ith screw rib
11/24/2004	CN1549902A Corrugated plastic pipe sections having a flanged ends and structurally tight joints thereof
11/24/2004	CN1548281A Efficient antiseptic ventilation pipe
11/23/2004	US6821638 Shaped contoured crushable structural members and methods for making the same
11/23/2004	US6820654 Lighter and stiffer than conventional tubes; small, stabilizing, raised ribs on the internal diameters
11/18/2004	WO2004099524A1 Hinged and segmented pipe
11/18/2004	US20040228739 Filament-wound composite boom pipe
11/18/2004	US20040228679 Solid expandable tubular members formed from very low carbon steel and method
11/18/2004	DE202004014411U1 Einrichtung zur Lecküberwachung und Leckmeldung Means for leak detection and leak message
11/18/2004	CA2524830A1 Double wall pipe with spacer member and aerogel insulation layer
11/17/2004	EP1392557B1 Method of reinforcing an existing metal structure, method of reinforcing pipes and method of addition of spur lines to pipelines
11/17/2004	EP1303722A4 High performance composite tubular structures
11/17/2004	CN2656773Y Steel-plastic composite pipe
11/17/2004	CN2656772Y Steel pipe with strong acid-resisting and anticorrosive inside coating
11/17/2004	CN2656771Y Brazing hot-rolling metal composite pipe
11/17/2004	CN1176310C Composite silane-crosslinked polyethyelne pipe with foamed heat insulating layer and spirally wound steel wire
11/16/2004	US6817382 Pile member
11/16/2004	CA2196713C Composite pipe with a socket and method for its manufacture
11/11/2004	US20040223807 Self-flushing gutter pipe
11/10/2004	CN2654999Y Composite steel-plastic pipe with internal and external plastic layers
11/10/2004	CN1174819C Multi wrapping metal tube and making method and equipment
11/04/2004	WO2004094922A1 Ventilation duct
11/04/2004	WO2004094894A2 Pipeline trench system and method of construction
11/04/2004	WO2004094888A1 Double-walled corrugated pipe
11/04/2004	WO2004094887A1 Plastic/metal composite tube
11/04/2004	WO2004083703A3 Cross-linked thermoplastic tubing
11/04/2004	WO2004067269A3 Plastic-metal composite pipe comprising a metallic double envelope and method and device for producing the same
11/04/2004	US20040219317 Process for manufacturing a flexible tubular pipe having extruded layers made of crosslinked polyethylene
11/04/2004	DE202004011633U1 Rohrsystem aus wenigstens zwei etwa koaxialen Leitungsrohren Pipe system of at least two substantially coaxial pipes
11/04/2004	CA2523366A1 Double-walled corrugated pipe
11/04/2004	CA2522160A1 Ventilation duct
11/03/2004	EP1473502A1 A pipe with an internal coating
11/03/2004	CN2653265Y Composite plastic tube
11/02/2004	US6812438 Covering for protecting surfaces in general
11/02/2004	US6811622 Corrosion-resistant precipitation-hardened austenitic steel containing large amount of intersticially dissolved nitrogen
11/02/2004	US6810846 Flow path structure of hollow tube
10/2004
10/28/2004	US20040213936 Polytetrafluoroethylene-based-resin tube and production method thereof
10/28/2004	DE10315904A1 Temperature resistant pressure pipe for use in motor vehicle, comprises fluid-sealed pipe which at increased pressure and/or pressure rests itself on a cladding tube
10/27/2004	CN1541162A Glossy tubes and pipes
10/27/2004	CN1173124C Bonding of steel strips in steel strip laminate pipe
10/21/2004	WO2004068016A3 Fiber reinforced pipe
10/21/2004	US20040207201 Corrugated plastic pipe sections having flanged ends and structurally tight joints thereof
10/21/2004	US20040206412 Nylon resin multi-layer pipe and method for adhering same
10/21/2004	DE10312942A1 Mehrschichtige, elektrisch leitfähige Leitung Multi-layer, electrically conductive line
10/20/2004	EP1469033A1 Water piping equipment comprising 1-butene-based polymer composition
10/20/2004	EP1468235A2 Welded multi-chamber tube
10/20/2004	CN2649905Y Ocean platform oil production pipeline
10/20/2004	CN2649904Y Composite nylon pipe
10/20/2004	CN2649903Y 铝箔增强聚丙烯管 Aluminum reinforced polypropylene tubes
10/20/2004	CN2649902Y Small-aperture square plastic pipe and high-strength large-aperture plastic pipe
10/20/2004	CN1538100A Water pipeline equipment made of 1-butenes polymer composition
10/20/2004	CN1172101C Pipe for circulation of hot water
10/14/2004	WO2004088198A2 Pipeline trench system and method of construction
10/14/2004	WO2004088191A2 Method of manufacturing cold worked, high strength seamless cra pipe
10/14/2004	US20040204542 ethylene polymer with high fluidity index and an ethylene copolymer with low fluidity index, for the manufacture of pipes; resistance to propagation of cracks (slow propagation and rapid propagation of cracks) and creep resistance
10/14/2004	US20040200881 Method of manufacturing cold worked, high strength seamless CRA PIPE
10/14/2004	US20040200538 Reinforced pipe for a pressurised medium
10/13/2004	EP1467072A1 Flexible pipe element
10/13/2004	EP1141608B1 Method for manufacturing an arrangement for connecting double-shelled plastic pipes
10/13/2004	CN2648228Y Large-bore thin wall stainless steel spiral welded pipe
10/13/2004	CN2648227Y Spiral winding pipeline
10/13/2004	CN2648226Y Epoxy glass fiber reinforced plastic anticorrosive composite pipe
10/13/2004	CN2648225Y Thin layer stainless steel composite steel pipe
10/13/2004	CN1537122A Butene-1-(Co) polymers and process for their preparation
10/13/2004	CN1537051A Conductive resin coated steel pipe and extrusion molding method for steel pipe
10/13/2004	CN1536007A Microgravity infiltrating irrigation tube, its preparation process and application in greenhouse
10/13/2004	CN1170878C Polypropylene composition for hot water pipe
10/12/2004	US6802430 Corrosion-resistant fuel tank and fuel-filler tube for motor vehicle
10/07/2004	WO2004085907A1 Tube provided with a partition
10/07/2004	WO2004065092A8 Process for manufacturing a flexible tubular pipe having extruded layers made of crosslinked polyethylene
10/06/2004	CN2646518Y Double-wall heavy-caliber drainage plastic pipe
10/06/2004	CN2646517Y Helical bellows with metallic strengthening structure
10/06/2004	CN2646516Y Improved plastic coating steel tube
10/06/2004	CN2646515Y High temperature resistant and abrasion proofing multiple-unit tube
10/06/2004	CN2646514Y Glass fiber sand inclusion resin culvert pipe
10/06/2004	CN2646513Y Portable cloth inserted hose
10/05/2004	CA2171893C Threaded joint for tubes

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