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)
11/2005
11/02/2005EP1194606B1 Heat resistant austenitic stainless steel
11/02/2005EP1018563B1 Method of manufacturing a heating furnace tube with an intermediate element
11/02/2005CN2738074Y Welding plastic copper pipe and special joint thereof
11/02/2005CN2738073Y Polypropylene pipe fittings
11/02/2005CN2738072Y Large diameter plastic screw structural wall pipe
11/02/2005CN1690496A Multi-layer duct and related manufacturing process
11/02/2005CN1225614C Stainless steel oil feeding pipe
11/01/2005US6959736 outer layer containing a non-reacted foaming agent which reacts to convert the layer to a foamed layer in fire; can be quite thin; reinforcing component so mechanically strong;
10/2005
10/27/2005WO2005100843A2 Lined vessels for conveying chemicals
10/27/2005US20050236061 Sandwich pipes for ultra-deep waters
10/27/2005DE202005013341U1 Exhaust gas pipeline for use in internal combustion engine, has fabricated metal tube placed between ends of pipeline to provide longitudinal support to pipeline and is turned coaxially towards pipeline by two spacers
10/27/2005DE202005012830U1 Joint between a fitting and a compound pipe, in particular, for sanitary and heating installations incorporates a contact area where weldable materials are joined by a melting process
10/27/2005DE202005012388U1 Flexible pipe for conduction of liquids, has flexible wire attached in main body and bendable when main body is bent, and light unit with several bulbs formed in hollow section of main body
10/27/2005DE202005011321U1 Dual pipe arrangement for holding and conducting liquids and gaseous materials, has outer pipe fixed with inner pipe in detachable manner and sealed with pipe shaped part opposite to outer casing of inner pipe
10/27/2005DE102004016068A1 Corner angle for flange connection of air conditioning ducts has clip stamped out of each leg on wide side in transition area between corner region and leg extension to form open pocket to accommodate metal element of flange profile
10/27/2005CA2560732A1 Lined vessels for conveying chemicals
10/26/2005EP1589270A1 Multi-layer duct and related manufacturing process
10/26/2005CN2736626Y Antiseptic water delivery pipe
10/26/2005CN1687626A Multiplayer composite tube made from polymer possessing texture in nano layer and making method
10/26/2005CN1224794C 空调器压缩机油分配管 Air conditioner compressor oil distribution pipe
10/26/2005CN1224793C Novel Pipe sleeve
10/26/2005CN1224792C Reinforced polyethylene pipe
10/25/2005US6958011 Pliable air duct with dust and condensation repellency
10/25/2005US6957670 Duct unit for air-conditioner
10/20/2005WO2005098302A1 Method of forming corrugated pipe with a pipe spigot seal seat
10/20/2005WO2005098139A2 Precast concrete slab system and method therefor
10/20/2005WO2005065286A3 Highly kink-resistant corrugated tubing
10/20/2005US20050233129 Multi-layer duct and related manufacturing process
10/20/2005US20050233019 Apparatus for making a multi-walled tubular structure
10/20/2005US20050230859 Glass-like carbon deformed molded article, process for producing the same, and joint structure for jointing a connecting member to a glass-like carbon hollow molded article
10/20/2005US20050229992 Lined vessels for conveying chemicals
10/20/2005US20050229986 Segment for a rehabilitating pipe
10/20/2005DE202004020674U1 Metal composite pipe consists of at least one plastic inner pipe and a metallic envelope surrounding it, and a thermo-setting bonding agent that connects them
10/20/2005CA2561753A1 Precast concrete slab system and method therefor
10/20/2005CA2503598A1 Multi-layer duct and related manufacturing process
10/19/2005CN2735127Y Plastic hollow spiral winding tube section material
10/19/2005CN2735126Y Rubber free composite tube
10/19/2005CN2735125Y Rubber tube with a large caliber
10/19/2005CN2735124Y Aluminum mesh random-copolymerized polypropylene composite tube
10/19/2005CN2735123Y Industrial overpressure resistant polypropylene pipe fitting
10/19/2005CN2735122Y Plastic pipe fitting
10/19/2005CN1684820A Resin-lined steel pipe and method for production thereof
10/19/2005CN1223787C Improved containment system
10/18/2005US6955780 Multi-wall cylindrical structure, method of making such structure, and apparatus for carrying out such method
10/18/2005CA2156987C Diverter and method for running a diverter
10/13/2005WO2005095838A1 A peroxide crosslinked ethylene polymer pressure pipe and a method for the preparation thereof
10/13/2005WO2005095095A1 A pipe forming assembly
10/13/2005US20050225121 Air duct assembly
10/13/2005US20050224135 Fuel filler pipe for automobile
10/13/2005US20050224127 Compound pipe
10/13/2005US20050224126 Pipe for water pipe and the like
10/13/2005US20050224125 Duct unit for air-conditioner
10/13/2005DE102004005307B3 Closure arrangement for slotted pipes, especially corrugated pipes for protective casings for electric cables in motor vehicles is double-T support with bridge and upper and lower elements whose distance corresponds to slot dimensions
10/12/2005EP1584852A1 A pressureless polymer pipe
10/12/2005EP1584460A1 Plastic pipe resp. pipe fitting
10/12/2005EP1583877A1 Reinforced composite boom pipe with bonded sleeves
10/12/2005EP1237708B1 Method of making a spirally-wound tube
10/12/2005CN2733142Y Screw-type polyurethane rubber-lined pipe
10/12/2005CN2733141Y Stainless steel lined plastic-aluminum pipe
10/12/2005CN2733140Y High resistance nylon resin pipe
10/12/2005CN1682057A Metal bellows tube, method of producing the same, and flexible tube for high-pressure fluid
10/06/2005WO2005093307A1 Flexible pipe
10/06/2005WO2005092604A1 Flexible laminated plastic pipe having a chlorinated poly(vinyl chloride) (cpvc) hollow core
10/06/2005US20050220539 Precast concrete slab system and method therefor
10/06/2005US20050218655 Duct board with adhesive coated shiplap tab
10/06/2005CA2559820A1 Flexible laminated plastic pipe having a chlorinated poly(vinyl chloride) (cpvc) hollow core
10/05/2005EP1582796A2 Plastics pipe
10/05/2005EP1581353A2 Duct reinforcement rod and fabrication apparatus
10/05/2005CN2731227Y Gas-enriched conveying pipe with resistance-reducing wearing-resisting inner coating
10/05/2005CN1676980A Copper-aluminium combined pipeline for refrigerating system and its preparing method
10/05/2005CN1676540A Nano anticorrosive antibacterial plastic-metal composite pipe and its manufacturing method
10/04/2005CA2238878C Synthetic resin pipe and extrusion device for making same
09/2005
09/29/2005WO2005090847A1 Resin tube for fuel piping
09/29/2005US20050212285 Dual-walled piping system and methods
09/29/2005US20050212161 Low cost conductive pipe manufactured from conductive loaded resin-based materials
09/29/2005US20050211328 Antistatic hose for conveying fluids
09/29/2005US20050211325 Composite hose with a corrugated metal tube
09/29/2005US20050211324 Composite hose with a corrugated metal tube
09/29/2005DE102004011584A1 Tubular vibration damper for IC engine exhaust pipes has mesh outer sleeve which encloses corrugated pipe and liner, damping component being flexible strip mounted diametrically in pipe
09/28/2005EP1580475A1 An antistatic hose for conveying fluids
09/28/2005EP1579140A2 Duct fastseam
09/28/2005EP1064487B1 Multilayer plastic pipe and its use
09/28/2005CN2729479Y Composite polymer pipe joint with reinforced wire frame
09/28/2005CN2729478Y Multipurpose section bar
09/28/2005CN2729477Y Composited pipe of nylon and polyolefin by co-extrusion technology
09/28/2005CN2729476Y Composited pipe of nano ultra-high molecular weight polyvinyl and polyolefin prepared by co-extrusion technology
09/28/2005CN2729475Y High-temp resistance plastic pipe material for composite bed pipe wall
09/28/2005CN2729474Y Built-up blast pipe assemblied by refrectory plate
09/28/2005CN1675488A Carbon black-containing crosslinked polyethylene pipe having resistance to chlorine and hypochlorous acid
09/28/2005CN1675062A Crosslinked polyethylene pipe having a high density polyethylene liner
09/28/2005CN1673599A An antistatic hose for conveying fluids
09/28/2005CN1673597A Steel-plastic composite pipe used for concrete pumping machinery and producing method thereof
09/28/2005CN1673596A Method and apparatus for producing steel-plastic composite pipe
09/28/2005CN1673595A High-pressure glass fibre reinforced plastic pipe and producing technology thereof
09/28/2005CN1220727C Poly-l-butylene resin composition and its use
09/27/2005US6949282 Contoured crushable composite structural members and methods for making the same
09/22/2005US20050208247 Used for domestic hot and cold water systems
09/22/2005US20050208246 Low cost conductive pipe manufactured from conductive loaded resin-based materials
09/22/2005DE102004010340A1 Co-extruded multi-layer plastics tube, with a fiber-reinforced intermediate layer, has separate intermediate layers with fibers in parallel in each layer and at an angle to the fibers in neighboring layers
09/21/2005EP1577597A1 Resin tube
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