Patents for F16L 9 - Rigid pipes (18,006)
12/2002
12/12/2002DE10224707A1 Extruded multi-layer flame resistant pipe for sprinkler systems, gas, pneumatic or hydraulic pipes, has a flame retardant and reinforced outer layer
12/12/2002DE10105841C2 Abgasleitung mit Luftspaltisolierung für eine Brennkraftmaschine Exhaust pipe with air gap insulation for an internal combustion engine
12/11/2002EP1265258A1 A cord
12/11/2002CN1384777A Method of making spirally-wound tube
12/10/2002US6491066 Resilient bevel for profile wall pipe
12/05/2002US20020182961 Reinforced fabric
12/05/2002US20020182358 Extruded, injection-molded, or blow-molded plastic pipe or fitting for pipelines
12/05/2002US20020182357 Metal tubing coated with foamed polymeric materials
12/05/2002US20020180207 Frangible hose connector
12/05/2002US20020178774 Apparatus for continuous production of a helically corrugated metal tube
12/05/2002DE10126399A1 Vorrichtung zur kontinuierlichen Herstellung eines schraubenlinienförmig gewellten Metallrohres An apparatus for continuously producing a corrugated metal tube helically
12/05/2002DE10123671A1 Supply system for proposed residential areas comprises multichannel supply mains and individual multichannel house lines joined to one another via distribution shafts
12/04/2002EP1262701A1 Pipe comprising more than one marking
12/04/2002EP1262250A2 Method for the continuous production of a helically corrugated metal pipe
12/04/2002EP1261826A1 Improved containment system
12/04/2002EP0927318B1 Connector system for use in ultra-high vacuum systems
12/04/2002CN2524044Y Composite thermal insulating pipes
12/04/2002CN2524043Y Double-layer metal pipelines with sealed terminals
12/04/2002CN1382935A Technology for forming composite steel-plastic pipe and apparatus for forming its internal wall
12/04/2002CN1382900A Tube-like exhaust pipe with internal-external layers
12/04/2002CN1095533C Mfg. method of foamed plastic located heat-insulating metal pipe
11/2002
11/28/2002WO2002094924A1 Polyolefin multilayer pipe
11/28/2002WO2002094923A1 Industrial polyolefin piping system
11/28/2002WO2002094922A1 Polyolefin coated steel pipes
11/28/2002WO2002094895A1 Propylene polymer pipes for pipelines
11/28/2002US20020174906 Metal-composite hose and a process for manufacturing the same
11/28/2002US20020174897 Process for the storage and transport of chloroformic acid esters
11/27/2002EP1260749A1 Multi-layer pipe
11/27/2002EP1260547A1 Polyolefin coated steel pipes
11/27/2002EP1260546A1 Polyolefin multilayer pipe
11/27/2002EP1260545A1 Industrial polyolefin piping system
11/27/2002EP1260528A1 Propylene polymer pipes for pipelines
11/27/2002EP1259782A1 Apparatus for and a method of fabricating a coriolis flowmeter formed primarily of plastic
11/27/2002EP1259752A1 Cryogenic fluid transfer tube
11/27/2002EP1169388B1 Polyolefins and uses thereof
11/26/2002US6485679 Heat resistant austenitic stainless steel
11/26/2002US6484758 Conduit for circulation of fluid under pressure
11/21/2002WO2002093059A1 Method for inhibiting external corrosion on an insulated pipeline
11/21/2002US20020170664 Method for manufacturing pipe having double layers
11/21/2002US20020170637 High strength, high toughness, seamless steel pipe for line pipe
11/21/2002US20020170610 Rupture-resistant fluid transport and containment system
11/20/2002EP1258340A2 Pipes and manufacture of such pipes
11/20/2002EP1257756A1 Fire-resistant fuel transport pipe
11/20/2002CN1380508A Alloy steel plastic composite pipe and its production method
11/20/2002CN1380507A Pipe and pipe connector with special resin layer capable of reduicing noise
11/19/2002CA2232376C Method for heating and/or cross-linking of polymers and apparatus therefor
11/19/2002CA2145292C Manufacture of helically corrugated conduit
11/14/2002WO2002090816A1 Multi-layer coated tube and method of manufacturing the coated tube
11/14/2002WO2002090812A1 Reinforced pipe for a pressurised medium
11/14/2002US20020166595 High performance composite tubular structures
11/14/2002DE10144196C1 Gas-tight duct for contaminated air from lacquering plant has walls which meet in butt joints, and flexible sealant being applied along these
11/14/2002DE10118088A1 Multi-pipe system, comprises at least two joinable Multi-pipe units which consist of an outer cover with a base section, and accommodate at least two media pipes held by holding elements
11/14/2002CA2446118A1 Reinforced pipe for a pressurised medium
11/13/2002EP1256756A1 Repair pipe
11/13/2002EP1042629B1 High resistance polypropylene mass
11/13/2002EP0946362B1 Plastic based multilayer structure and tube with multilayer structure
11/13/2002EP0912316B1 A method and an apparatus for manufacturing an extruded plastic product
11/11/2002CA2670718A1 System and method for using bent pipes in high-purity fluid handling systems
11/07/2002WO2002088589A1 Reinforced plastic tube and method for making same
11/07/2002WO2002088587A1 Buoyancy control systems for tubes
11/07/2002WO2002087869A2 Improved composite tubing
11/07/2002CA2756825A1 Improved composite tubing
11/06/2002CN1378638A Method for manufacturing double-walled heat exchanging tube with leak detection and said heat exchanging tube
11/06/2002CN1378629A Thin-walled cylinder made from fiber-reinforced plastics material
11/06/2002CN1378050A Multi layer composite pipe with corrosion resistant metal lining and its producing method
11/06/2002CN1378049A Composite fire-extinguishing water pipe
11/06/2002CN1377770A Multilayer tube for transporting fluid based on polyamide and EVOH
10/2002
10/31/2002US20020161157 Polyolefins and uses thereof
10/31/2002US20020157723 Composite tube comprising an inner casing
10/31/2002US20020157721 Sheath pipe, sheath pipe manufacturing method, and sheath pipe manufacturing apparatus
10/31/2002US20020157720 Composite spoolable tube
10/31/2002DE10120620A1 Multilayered plastic pipe, in particular, for conveying fluid media in heating and sanitary installations comprises at least one multimaterial layer consisting of a polymer with a montmorillonite filler
10/30/2002EP1252461A1 Pipe system
10/30/2002EP1252368A1 Corrosion resistant metal tube and process for making the same
10/30/2002EP1090242B1 Unbonded flexible pipes and method for the production thereof
10/30/2002CN2519087Y Special plastic pipe
10/29/2002US6470691 Fluid transport
10/24/2002WO2002065011A3 A rigid reinforced tubular manufactured article and method for its manufacture
10/24/2002US20020156214 High density multimodal polyethylene with shear ratio >/= 18 and >/= 20% by weight of a high molecular weight fraction that has a density of </= .930 g/cm3, and a high load melt index of </= .30 g/10 mins
10/24/2002US20020155242 Polyamide- and EVOH-based multiplayer tube for fluid transfer
10/24/2002DE10146406C1 Multi-layer composite pipe formed from plastic bonded with metal tube formed from strip, includes space in bonding agent allowing escape of diffusing water vapor
10/23/2002EP1251304A1 Pipe, especially made of plastic or composite
10/23/2002EP1251000A2 Metal-composite hose and a process for manufacturing the same
10/23/2002EP1002139B1 Steel alloy for compound tubes
10/23/2002EP0971812B1 Method and apparatus for making an extrusion product, and an extrusion product
10/23/2002CN2517945Y Prestressed concrete pipe
10/23/2002CN2517944Y 无缝不锈钢复合管 Seamless stainless steel composite pipe
10/23/2002CN1375392A Holed pipe and its producing apparatus and method
10/23/2002CN1093249C Finned tube fabricating method
10/22/2002US6469092 Anti-static and peroxide-stable molding compounds
10/22/2002US6467995 Self-flushing pipe
10/17/2002WO2002081188A1 Multi-layer fluid conduit for the sanitary and heating sectors
10/17/2002WO2002081105A1 Pipe coating
10/17/2002DE10118506A1 Pipe with a sandwich structure comprises an inner layer containing fibers, at least one layer of filler material, and an outer laminate layer containing fibers
10/17/2002CA2443634A1 Pipe coating
10/16/2002EP1249654A1 Multilayer tube
10/16/2002EP1249574A2 Multilateral well drilling and completion method and apparatus
10/16/2002EP1249336A2 Multilayered pipe for hydrocarbon-containing fluids
10/16/2002CN2516796Y High-hardness anti-theft composited pipe
10/16/2002CN2516795Y Steel-plastic composited pipe with cladding material