Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16L - Pipes; Joints or fittings for pipes; Supports for pipes, cables or protective tubing; Means for thermal insulation in general › F16L 9 - Rigid pipes
Patents for F16L 9 - Rigid pipes (18,006)
10/1998
10/15/1998WO1998045635A1 Composite structures having high containment strength
10/15/1998WO1998045634A1 Composite pipe structures having high containment and axial strength
10/15/1998CA2284012A1 Composite structures having high containment strength
10/14/1998EP0870963A2 Polymeric pipe
10/14/1998EP0870143A1 Pipe insulation
10/14/1998CN2294365Y Composite pipeline
10/08/1998WO1998044286A1 Conduits formes d'un tube metallique gaine
10/08/1998WO1998043806A1 Multi-layer plastic tube
10/07/1998EP0869304A2 Thermoplastic pipe
10/07/1998EP0868983A1 Tube in wood material and process for manufacturing the same
10/07/1998EP0868296A1 Use of cross-linked polyolefins material in pressure pipes
10/07/1998EP0868278A1 Method for producing homogeneous material with an extruder, an extruder, and a multilayer plastic pipe
10/06/1998US5817926 Process and device for monitoring the tightness of pipelines, in particular sewage pipeline systems
09/1998
09/30/1998EP0866935A1 Pipe of thermoplastic material and a method and device for extruding such a pipe
09/29/1998US5814386 Composite shell formed as a body of rotation, and method and mandrel for making same
09/29/1998US5814371 Conduit linings and hot melt fluidized deposition
09/29/1998US5813106 Method and apparatus for manufacturing and laying out an umbilical
09/24/1998WO1998042052A1 Elongated tubular product, such as in particular an installation conduit
09/23/1998EP0865352A1 Apparatus and method for making multilayer fluid conduits
09/22/1998US5812062 Glass coated pipe system and testing method
09/17/1998WO1998040657A1 Pipe for dangerous fluids and process for manufacturing the same
09/17/1998WO1998040655A1 Cooler tube for cooling section of fuel cell power plant and method for preparing the same
09/16/1998EP0864060A1 Co-extruded multilayer plastic pipe, method for producing the same, and device therefor
09/16/1998CN2291551Y Plastic compound pipe
09/16/1998CN2291550Y Multi-layered plastic pipe and its pipe joint
09/11/1998WO1998039137A1 Electro-optical removal of plastic layer bonded to a metal tube
09/10/1998DE19709373A1 Leitung für gefährdende Fluide und Verfahren zu deren Herstellung Line for hazardous fluids and methods for their preparation
09/09/1998EP0863351A2 Corrugated pipe
09/09/1998EP0863298A2 Double wall exhaust pipe
09/08/1998US5804268 Plastic hollow member
09/08/1998US5803800 Vibratory finishing machine having a helical and tubular container
09/08/1998US5803132 Skinned double wall pipe and apparatus for making same
09/08/1998US5803131 Fuel filler pipe
09/02/1998EP0861674A1 Tubular member for a guide catheter
09/02/1998CN1192177A An extrusion apparatus and method, a tubular product, and a pipe
09/01/1998US5801342 Double-walled structure and method and arrangement for producing the same
09/01/1998US5799705 Fire resistant pipe
09/01/1998US5799704 Pipe for conveying fuel
09/01/1998US5799703 Synthetic resin corrugated pipe having a concave-convex surface
09/01/1998US5799395 Process for manufacturing an air gap-insulated exhaust pipe
08/1998
08/27/1998WO1998037303A1 Composite spoolable tube
08/27/1998WO1998036899A1 Metal tubing coated with multiple layers of polymeric materials
08/27/1998CA2282346A1 Metal tubing coated with multiple layers of polymeric materials
08/26/1998CN2289116Y Steel or plastic composite water supply pipe
08/26/1998CN2289115Y Composite fibre spinning box solution jacketed pipe
08/26/1998CN2289114Y High efficiency stainless steel bellows
08/20/1998WO1998036198A2 Double containment pipe sections
08/19/1998EP0859440A1 Plastic corrugated pipe with a longitudinal slit
08/19/1998EP0859182A2 Bend stiffeners
08/19/1998EP0859078A1 Conduit for conveying a flow of fluid under pressure
08/19/1998CN2288333Y Composite pipeline of ultra-high molecular weight polyethylene and glass fibre reinforced plastics
08/19/1998CN2288332Y Fire-preventing energy-saving telescopic blast pipe
08/19/1998CN2288331Y Composite pipeline of ceramics and glass fibre reinforced plastics
08/19/1998CN1190929A Sandwich structure
08/19/1998CN1190924A Extrusion apparatus and method for orienting plastic material by using an extrusion apparatus
08/19/1998CN1190713A Arrangment in pipe bundle
08/18/1998US5795634 Helically wound, flat, fibrous band and resin reinforcement band form joint
08/12/1998EP0857272A1 Fire resistant pipe
08/11/1998US5791380 Filling space between outside of flow line and inside of outer sleeve with foamed cement, water, foaming agent, allowing hydration reaction to take place, heating to evaporate excess water
08/11/1998US5791379 For protecting persons from a hot process pipe
08/11/1998US5791370 Apparatus for supplying and continuously circulating fluid
08/05/1998EP0698155A4 Apparatus for joining structural components
08/05/1998CN1039450C Anti-corrosion metal tube and making method thereof
07/1998
07/30/1998WO1998032551A1 Double-walled structure and method and arrangement for producing the same
07/30/1998CA2277204A1 Double-walled structure and method and arrangement for producing the same
07/29/1998EP0855422A2 Plastic pipe part with sound-proofing properties suitable for transporting liquids
07/29/1998EP0789650A4 Wood tubing
07/29/1998CN1188734A Wooden fish stone household utensils, container and pipeline
07/28/1998US5785093 Vehicle including freeze stress resistant fluid conducting apparatuses
07/28/1998US5785092 High-pressure fiber reinforced composite pipe joint
07/23/1998WO1998031961A1 Concrete pipes and methods for the manufacture thereof
07/23/1998WO1998023879A3 Component kit for a chain link adaptable to different uses
07/22/1998EP0698195B1 Inner lining for air conditioning duct
07/22/1998CN1188203A Flat mineral wool cartridge
07/21/1998US5783268 High air velocity duct board having minimal turbulence
07/21/1998US5782503 Threaded joint for tubes
07/15/1998EP0853208A1 Multilayer pipe
07/15/1998EP0852681A1 Fluid line with integrated unpressurized return flow
07/15/1998CN2286265Y Ceramic lining composite tube
07/14/1998US5778942 Vehicle including freeze stress resistant fluid conducting apparatuses
07/14/1998US5778938 Method of installation of dual containment pipe rehabilitation system
07/09/1998WO1998029245A2 Laminate structures for fuel containers
07/09/1998CA2276009A1 Laminate structures for fuel containers
07/08/1998EP0851805A1 Oriented polymeric products
07/08/1998CN2285858Y Middle pipe of pneumatic rise-and-fall adjuster
07/08/1998CN1186922A Stainless steel composite running water pipe
07/08/1998CN1186921A Metal composite pipe and making method and pipe joint structure
07/07/1998US5775378 Fluid conduit systems and methods for making
07/02/1998WO1998028131A1 Plastic based multilayer structure and tube with multilayer structure
07/01/1998CN2285529Y Fibre reinforced type single yarn crosslinking thermal contraction net
07/01/1998CN2285407Y Conveying pipe with wearing-resistant ceramic lining
06/1998
06/30/1998US5771940 Extruded multiple plastic layer coating bonded to a metal tube and process for making the same
06/30/1998CA2194099A1 Culvert
06/24/1998EP0848662A1 Sandwich structure
06/23/1998US5769128 Multilayer fluid conduits
06/23/1998US5769127 Resin pipe
06/23/1998US5768928 Method of making an hydraulically efficient ribbed pipe
06/17/1998EP0848582A2 Device for deionizing a fluid transport pipe
06/17/1998EP0848202A1 Plastic pipe with improved acoustic qualities and its method for manufacturing
06/17/1998EP0847842A1 A method and apparatus for using recycled plastic material, and a plastic product made by an extruder
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