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)
11/2003
11/12/2003CN1455138A composite water pipe comprising copper-cored pipe
11/11/2003US6647237 Rigid substrate, a conformable intermediate layer and an outer thin fluoropolymer layer; for use in electrostatographic, including digital, apparatuses.
11/11/2003US6644358 Centrifugally-cast tube and related method and apparatus for making same
11/11/2003CA2333249C Lay-in wireway
11/11/2003CA2119035C Helically wound reinforced ribbed composite structure
11/06/2003WO2003091578A1 Duct with spiral groove
11/06/2003US20030206989 Novel modified dorn structures
11/06/2003CA2483366A1 Duct with spiral groove
11/05/2003EP1359358A2 Pipe assembly
11/05/2003EP1053427B1 Multi-layer tubing having at least one intermediate layer formed from a polyamide alloy
11/05/2003CN2584991Y Randon polypropylene stainless steel composited pipe
11/05/2003CN2584990Y High-strength dampproof composited inorganic glass fibre reinforced plastic air condiut
11/05/2003CN2584989Y Multi-layer composited tube with lining made of anti-corrosion metal
11/05/2003CN2584988Y Multiple-unit seamless tube
10/2003
10/30/2003WO2003089226A1 Composite strip windable to form a helical pipe and method thereof
10/30/2003US20030203144 Method for forming a duct and a duct
10/29/2003EP1355836A1 Method for storing and transporting chloroformic esters
10/29/2003EP1075617B1 Composite pipe, pipe system and the use of a liquid crystal polymer in a composite pipe for conducting water
10/29/2003CN2583479Y Ceramic integrated steel pipe bend with lining
10/29/2003CN2583476Y Compound inorganic glass fiber reinforced plastic super blast pipe
10/29/2003CN2583475Y Hot melt connected five-layer steel plastic compound pipe
10/29/2003CN2583474Y Hot melt connected stainless steel-plastic compound pipe
10/29/2003CN2583473Y Energy-saving pipe
10/29/2003CN2583472Y Steel plastic composite pipe continuous production equipment having internal and external surface coating adhesive on holed steel skeleton
10/29/2003CN2583471Y Synthetic resin pipe with joint structure
10/28/2003US6638589 Pipes formed from polyethylene mixtures having good tensile strength and elastic modulus
10/28/2003US6638377 Used for pipes connecting automotive radiators and heaters or pipes connecting automotive evaporators, condensers, and compressors
10/22/2003EP1355098A1 Fluid conduit for use in vehicles
10/22/2003CN2581781Y Copper-steel bimetal composite pipe
10/22/2003CN2581780Y Composite fire-control water pipe
10/22/2003CN1451086A Improved containment system
10/21/2003US6635213 Method of producing centrifugally cast, glass fiber reinforced plastic tubes
10/21/2003US6634389 Multi-layer fuel and vapor tube
10/16/2003WO2003030830A3 Method and apparatus for improved stiffness in the linkage assembly of a flexible arm
10/16/2003WO2003022614A3 Low permeation nylon tube with aluminium barrier layer
10/16/2003US20030192613 Applied powdered aluminum and iron oxide are ignited to react and form aluminum oxide and iron; self-propagation, melting; rotation about longitudinal axis causes the heavier iron to be displaced radially outwardly
10/16/2003US20030192612 Tube for transporting a fluid in an automobile
10/15/2003EP1023161B1 Composite thermoplastic-elastomer product
10/15/2003EP0935723B1 Corrosion- and fire-resistant pipe system
10/15/2003CN2580259Y Metal composite vacuum thermal insulation pipe
10/15/2003CN2580258Y Silane crosslinking polyethylene composite pipe of screw winding steel wire
10/15/2003CN1124311C Polyethylene molding material and pipe produced therewith improved mechanical properties
10/14/2003US6631741 Metal-composite corrugated hoses and a process for manufacturing the same
10/09/2003WO2003083547A1 Fire resistant conduit insert for optical fiber cable
10/09/2003CA2477807A1 Fire resistant conduit insert for optical fiber cable
10/08/2003EP1351000A1 Conduit for fluids used in motor vehicles, in particular fuel and hydraulic liquids
10/08/2003EP1350653A1 Corrosion-resistant fuel tank and fuel-filler tube for motor vehicle
10/08/2003EP1269099B1 Method for manufacturing a double-walled heat exchanging tube with leak detection
10/08/2003EP1187713B1 Method of producing centrifugally cast, glass fiber reinforced plastic tubes
10/08/2003CN2578642Y Metal composite thermal insulative pipes
10/08/2003CN2578641Y PP-R watersupply pipe with service mark and mounting standard
10/08/2003CN2578640Y Fluororesin fuel plastic duct
10/08/2003CN1447054A Special plastic compound pipe with reliable connection and seal
10/08/2003CN1446645A Technical method for hardness adhibition wall of steel and stainless steel liner tube
10/07/2003US6629547 Composite high-pressure pipe and method of joining same
10/02/2003WO2003099883A1 Butene-1 (co)polymers and process for their preparation
10/02/2003WO2003081120A1 Vacuum-insulated pipe
10/02/2003WO2003042588A3 Pipe insert and pipe assembly formed therewith
10/02/2003US20030185527 Fire resistant conduit insert for optical fiber cable
10/02/2003US20030183626 Corrosion-resistant fuel tank and fuel-filler tube for motor vehicle
10/02/2003US20030183311 Device and method for manufacturing soft metal tube
10/02/2003US20030183292 Stainless steel oil feeding pipe
10/01/2003EP1348914A1 Heat exchanger, combustion apparatus having a heat exchanger, closure member for use in such a heat exchanger, and method for making a heat exchanger
10/01/2003CN2577079Y Ceramic-lined special steel pipe
10/01/2003CN2577078Y Plastic pipe
10/01/2003CN2577077Y Plastic pipe
10/01/2003CN2577076Y Soldered multiple-unit tube
10/01/2003CN1446295A Stainless steel oil feeding pipe
10/01/2003CN1122769C Large-span oil (gas) delivering pipeline
09/2003
09/30/2003US6627281 Textile reinforced thin-walled thermoplastic or thermoset medium pressure pipes
09/30/2003US6625979 Double pipe exhaust manifold
09/25/2003US20030178846 Tube Joint
09/25/2003US20030178094 Containment system
09/25/2003US20030178084 Pipe comprising a porous inner wall
09/24/2003EP1346175A2 Insulated compound pipe
09/24/2003CN2575401Y Low-voltage electric melting welding sleeve
09/24/2003CN2575400Y Spherical rotary joint
09/24/2003CN1444003A Heat-exchange pipe with ribbed inner surface
09/23/2003US6623046 Tube with a corrugated inner surface and an insertable component
09/17/2003CN2573821Y Composite pipe with reinforced and sound insulation layers
09/17/2003CN2573820Y Three-component composite steel pipe structure
09/17/2003CN1121503C Rareearch containing tin brass pipe and making method thereof
09/16/2003US6620475 Structure for wound fiber reinforced plastic tubing and method for making
09/12/2003WO2003074258A1 Assembly method and a plastic composite tube
09/11/2003US20030168209 Heat transfer tube with ribbed inner surface
09/11/2003US20030168157 Fluoropolymer composite tube and method of preparation
09/11/2003DE20306332U1 Radiator air sight tube is transparent adaptor for bleed valve
09/10/2003WO2003083378A1 Duct unit for air conditioner
09/10/2003EP1342971A2 Heat exchnager tube with finned inner surface
09/10/2003EP0983115B1 Modular filtration systems
09/10/2003CN2572173Y Metal and plastics combined pipe
09/10/2003CN2572172Y Ceramic lined large diameter straight pipe
09/10/2003CN2572171Y Spraying ceramic power lined steel elbow pipe
09/10/2003CN2572170Y Fibre winded and sand added pipe line
09/10/2003CN2572169Y Thermal-insulatino anti-impact plastics and glass fibre reinforced plastics combined pipe
09/09/2003US6616191 Pipes, based on polyamide and polyolefin, for gas transmission and/or distribution
09/09/2003US6615877 Fuel line for a motor vehicle
09/09/2003CA2295954C Multilayer structure based on polyamides and tube or conduit with multilayer structure
09/04/2003US20030165352 Method and apparatus for improved stiffness in the linkage assembly of a flexible arm
09/04/2003US20030163918 Method of connecting two elongated portions of metallic plate, method of manufacturing exhaust pipe of two-passage construction, and exhaust pipe of two-passage construction
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