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)
10/1996
10/30/1996EP0739468A1 Reinforced flexible corrugated tubing
10/30/1996CN2238956Y Direct flush hydrophobic compound adiabatic pipe
10/30/1996CN2238955Y Corrugation plastic pipe with three-layer compound core
10/30/1996CN2238954Y Quick coupling part for pipeline
10/30/1996CN1134528A Method for making metal-plastics composite water pipe and its equipment
10/29/1996US5569218 Elastic guide catheter transition element
10/24/1996WO1996033361A1 Tube of composite material
10/22/1996US5567504 Glass fiber duct board with coated grooves and the method of making the same
10/22/1996US5566763 Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion
10/22/1996US5566722 Self locking slitted corrugated tubing
10/22/1996US5566720 Elongated fuel and vapor tube having multiple layers and method of making the same
10/16/1996EP0587660B1 Laminated pipe and a process for making the same
10/16/1996CN2237769Y Ca-plastic ventilating pipe for kitchen (toilet)
10/15/1996US5564503 Methods and systems for subterranean multilateral well drilling and completion
10/15/1996US5564472 Reinforced flexible corrugated tubing
10/15/1996US5564413 Oil well pipe for a casing
10/08/1996US5562957 Multilayer fire protective coating
10/02/1996EP0735305A1 Fuel supply system
10/02/1996EP0735304A2 Extruded CPVC pipe
10/02/1996EP0734480A1 Scaffold system
10/01/1996US5560730 Scaffold system
09/1996
09/28/1996CA2167446A1 Fuel supply system
09/26/1996WO1996029200A1 Thermoplastic resin laminate
09/26/1996DE19508412A1 Plastic pipe with one or several layers differing in thickness along length
09/25/1996EP0710340A4 Plastic profiled strip forming helically wound tube using hinged flap for jointing
09/24/1996US5558150 Method of producing a cast multilayered alloy tube and the product thereof
09/19/1996DE19541414C1 Quiet sewage piping to reduce sound transmission and radiation
09/19/1996DE19536698C1 Making composite tube of seam welded aluminium with memory-effect plastic inner lining
09/19/1996DE19509613A1 Moulded prods., esp. hollow tubing etc., with oxygen barrier layer
09/18/1996EP0535223B1 Process for producing tubes or pipes formed from a thermoplastic powder impregnated fiberglass roving
09/17/1996US5555916 Steel product excellent in sulfide cracking resistance
09/11/1996EP0731308A1 Polyamid based tubes for the transport of fuel
09/11/1996EP0731307A1 Pipe for conveying drinking water
09/11/1996CA2171353A1 Potable water transportation tube
09/10/1996US5554426 Multilayer plastic pipe
09/10/1996US5554425 Fluoropolymer composite tube and method of preparation
09/10/1996US5553640 Stainless steel strip plated with brazing alloy for multilayer tube manufacturing
09/06/1996WO1996026982A1 Method of dyeing polyester and polyester-containing textile materials
09/04/1996EP0730115A1 Multilayer tube having an electrically conductive inner layer
09/04/1996EP0729830A2 Thermoplastic laminate
09/04/1996EP0729409A1 Metal pipe with integrally formed liner and method of fabricating the same
09/04/1996CN1032717C Method and device for making composite plastic pipeline with metallic frame
09/02/1996CA2170576A1 Multilayer pipe having an electrically conductive inner layer
08/1996
08/28/1996CN2234030Y Compound pipe line
08/28/1996CN2234029Y Glass fibre reinforced plastic combined thermal-insulated directly buried pipe line
08/27/1996US5549942 Sealed ductboard
08/22/1996WO1996025542A1 Protective sleeve with warp spacers
08/22/1996DE19605449A1 Mehrfachgewickeltes Metallrohr sowie Verfahren und Vorrichtung zu dessen Herstellung Multiple Coiled metal tubing, as well as method and apparatus for its production
08/22/1996DE19515853C1 Metal jacket application method for plastics pipes
08/22/1996CA2212111A1 Protective sleeve with warp spacers
08/21/1996EP0727606A1 Synthetic resin corrugated pipe having a concave-convex surface
08/21/1996EP0727023A1 Secondary containment flexible underground piping system
08/21/1996EP0593449B1 Plastic pipe with a wall made up of a plastic-filler layer
08/20/1996US5547152 Pipe mounting bracket
08/20/1996US5546992 Dual containment pipe rehabilitation system
08/14/1996EP0726134A1 Method and apparatus for producing a thermoplastic multi layer pipe, especially from polyolefin
08/14/1996DE19504619A1 4=ply laminated plastic pipe for carrying fluids in vehicle
08/14/1996DE19504618A1 Laminated plastics pipe useful for carrying fluids in vehicle
08/14/1996DE19504616A1 Corrugated laminated plastics pipe for carrying fluids in vehicle
08/14/1996DE19504615A1 Corrugated laminated plastics pipe for carrying fluids in vehicle
08/14/1996DE19504614A1 Laminated plastics pipe useful for carrying fluids in vehicle
08/14/1996DE19504613A1 5=ply laminated plastics pipe for carrying fluids in vehicle
08/14/1996DE19504609A1 Five-ply laminated multi=channel plastics pipe for carrying fluids in vehicle
08/14/1996CN2233018Y Pipe core wire-coiling machine for prestressed steel concrete water pipe
08/06/1996US5542834 Skinned double wall pipe and apparatus for making same
08/01/1996WO1996022873A1 Hot melt fluidized cladding of innerduct liner
07/1996
07/31/1996EP0724110A1 Noise damping pipe
07/31/1996EP0724105A1 Tube assembly for motor vehicle
07/25/1996WO1996022485A1 Plastics pipe
07/25/1996CA2167963A1 Tube with variable inside diameter
07/24/1996EP0722550A1 Fluid line
07/24/1996CN1032387C Inorganic compound material pressure pipe and forming technology
07/23/1996US5538294 Corrugated flexible metal piping assembly
07/23/1996US5538045 Protective sleeve with warp spacers
07/23/1996US5537794 Shear bolt connected structural units
07/18/1996WO1996021820A1 Elongated fuel and vapor tube having multiple layers and method of making the same
07/18/1996WO1996007531A3 Method and device for producing pipes or tubular moulded bodies from polymer concrete
07/18/1996DE19507224A1 Aluminium@ foil sheathing of thermoplastic tube using electron beam welding
07/10/1996CN2230862Y Multifunctional ventilating channel
07/10/1996CN1126294A Rubber-plastic metal compounded pipe
07/04/1996DE19548569A1 Wellrohr Corrugated tube
07/04/1996DE19548542A1 Metall-Rohrleitung mit einer schützenden Überzugsschicht für ein Automobil Metal pipe having a protective coating layer for an automobile
06/1996
06/27/1996WO1996019278A1 Pipes made of a solid silica sand layer bound with a polyurethane adhesive
06/26/1996EP0718539A2 Gas conveying element with soft walls to insulate from and attenuate noises propagating in main channels
06/26/1996CN1125302A Hot gas pipe for conveying hydrogen containing gas and carbon oxide
06/20/1996WO1996018840A1 Conduit made of composite synthetic material
06/19/1996EP0717251A2 Heat exchanger tubes of elongate cross-section
06/19/1996EP0716632A1 Composite fuel and vapor barrier tube and process for making same
06/19/1996CN1124674A Wear-resistance treating technique for inner wall of preformed chute series
06/18/1996US5527130 Environmentally safe underground piping system
06/13/1996WO1996018064A1 Pipe assembly
06/13/1996WO1996018057A1 A pipe mounting bracket
06/13/1996WO1996009486A3 Composite conduit for carrying fuel oil
06/13/1996CA2206790A1 Pipe assembly
06/12/1996EP0716257A2 Double tube
06/11/1996US5525007 For connecting a branch service line to an underground sewer main
06/11/1996US5524673 Multi-layer tubing having electrostatic dissipation for handling hydrocarbon fluids
06/06/1996WO1996017198A1 Flexible high pressure pipe
06/05/1996EP0714487A1 A thin-wall polytetrafluoroethylene tube
06/05/1996DE19544206A1 Seal for interlocking pipe ends
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