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)
12/2012
12/05/2012CN102809000A Graphite acyl chloride synthesis pipe
12/05/2012CN102807696A Glass fiber-reinforced PE (Poly Ethylene) compound material and preparation method and application thereof
12/05/2012CN102807684A High concentration sericite master batch and preparation method and application thereof
12/05/2012CN102322550B Preparation method of ceramic coating for replacing refractory coating produced by using centrifugal cast iron pipe heated mould method
12/05/2012CN101861488B Improved hose
12/05/2012CN101675285B Method for manufacturing elongated multi-layer Tubular body
12/05/2012CN101637983B Metallurgical bonding composite steel pipe, manufacturing method and manufacturing device thereof
12/05/2012CN101586716B Precast prestressed concrete pipe gallery with steel cylinder
12/04/2012CA2669007C Wellbore method and apparatus for completion, production and injection
11/2012
11/29/2012WO2012159520A1 Non-adhesive pultruded composite tube
11/29/2012WO2012113862A3 Making multilayer composite pipe for liquid conveyance
11/29/2012US20120298250 Heat-shrinkable tube, and production method and production apparatus thereof
11/29/2012US20120298249 Tubular connection and associated thread form
11/29/2012US20120298248 Tendon duct, duct connector and duct termination therefor
11/29/2012US20120298247 Multilayered resin tube-shaped body
11/28/2012CN202561319U Steel strip-reinforces polyethylene helical corrugated pipe
11/28/2012CN202561289U Steel and plastic compound dual-flat wall structure pipeline
11/28/2012CN202561288U Winding pipe
11/28/2012CN202561287U Wear-resistant cast stone glass fiber reinforced plastic composite pipeline
11/28/2012CN202561286U Steel-plastic abrasion resistant clad pipe
11/28/2012CN202561285U Improved structure of steel strip reinforced polyethylene spiral corrugated pipe
11/28/2012CN202561284U Novel leakage-proof air duct
11/28/2012CN202561283U Wear-resisting ceramics composited tube
11/28/2012CN202561282U Joint of pipe fitting
11/28/2012CN202561281U Wear-resisting pipe and wear-resisting elbow pipe
11/28/2012CN202561280U Indication structure for steel-belt-reinforcing polyethylene helical bellow
11/28/2012CN202561279U Combined water supply pipe
11/28/2012CN202561278U Glass reinforced plastic reinforced pipe relating to continuous tensile braiding molding
11/28/2012CN202561277U Wave crest encrypting corrugated tube
11/28/2012CN202561276U Oil and gas conveying pipeline
11/28/2012CN102803813A Textile sleeve with high temperature abrasion resistant coating and methods of assembly, construction and curing thereof
11/28/2012CN102803369A Composite material comprising polyethylene and magnetic particles
11/28/2012CN102802900A Thermoplastic pipe made with commingled glass fibers
11/28/2012CN102797928A Production technology of internal/external plastic-coated composite pipe and internal/external plastic-coated composite pipe
11/28/2012CN102797917A Pressure pipe wound by polyethylene sandwich reinforcement rib plate strips in reciprocating manner and machining method
11/28/2012CN102797916A Multilayer structure glass fiber reinforced plastic tube
11/28/2012CN102797915A Compound-seal double-layer structure pipe
11/28/2012CN102797914A One-step heat preservation polypropylene random copolymer (PP-R) pipe and preparation method thereof
11/28/2012CN102796966A High-intensity steel and steel pipes and preparation method thereof
11/28/2012CN102796926A High-strength aluminum alloy round pipe and manufacturing method thereof
11/28/2012CN102796301A Special pipe for ground source heat pump
11/28/2012CN102796300A Ultra-high molecular weight polyethylene composite pipe, and raw materials and preparation method thereof
11/28/2012CN102794915A Zinc-plated plastic-lined composite pipe production technology and composite pipe
11/28/2012CN102226028B Self-cleaning antibacterial beta-crystal form PP-R cold-hot water pipe material and preparation method thereof
11/28/2012CN102155590B Steel reinforced poly ethylene (PE) corrugated pipe and manufacturing equipment thereof
11/28/2012CN102121544B Process for manufacturing compound air duct sheets
11/28/2012CN101868564B Steel pipe for vehicle piping
11/28/2012CN101696732B Novel double-layer nylon wind pipe
11/28/2012CN101169199B Pipe, manufacturing process thereof and corresponding tool
11/23/2012DE202012008029U1 Lüftungsrohr - Bauelement mit verbesserter Schallabsorption sowie Außenwandluftdurchlass Ventilation pipe - device with improved sound absorption and exterior wall air passage
11/22/2012US20120291907 High-strength welded steel pipe and method for producing the same
11/22/2012US20120291905 Connector for a fluid line and fluid line
11/22/2012DE102011102713A1 Verbundwerkstoff Composite material
11/21/2012EP2525123A1 Helical strake systems
11/21/2012EP2523850A1 Improvements relating to welding and other operations during j-lay pipelaying
11/21/2012CN202546133U Blow pipe and material delivery system blow pipeline
11/21/2012CN202546065U Sealed connection structure of internal spiral hush pipes
11/21/2012CN202546047U Hollow spiral hush pipe with dual noise reduction functions
11/21/2012CN202546046U Hollow spiral noise reduction tube
11/21/2012CN202546045U Low-noise plastic drain pipe
11/21/2012CN202546044U HDPE (high-density polyethylene) double-wall corrugated pipe with connecting threads at end parts
11/21/2012CN202546043U Pipeline structure
11/21/2012CN202546042U Pipe skeleton plastic clad pipe
11/21/2012CN202546041U Novel pipeline for coal mine
11/21/2012CN202546040U Plastic-coated spiral welded wound steel pipe
11/21/2012CN202546039U Plastic-coated spiral welded corrugated steel pipe
11/21/2012CN202546038U Plastic-coated steel pipe
11/21/2012CN202546037U Anticorrosive steel pipe for oil and gas transportation
11/21/2012CN202546036U High-temperature resistant plastic steel clad pipe
11/21/2012CN202546035U Multipurpose steel tube
11/21/2012CN202546034U Plastic pipe
11/21/2012CN202546033U Double-layer stainless steel tube
11/21/2012CN202546032U N-shaped water pipe
11/21/2012CN202546031U High-temperature gas guide tube
11/21/2012CN202545237U Rib-plastic composite well pump pipe
11/21/2012CN102788204A Liquefied fuel gas pipeline
11/21/2012CN102788199A Continuously reinforced composite tube winded by glass fiber resin band and preparation method
11/21/2012CN102788198A Multifunctional PP-R pipe and preparation method thereof
11/21/2012CN102786754A Flame retardant antistatic toughening PVC (Poly Vinyl Chloride) pipe for methane
11/21/2012CN102786741A Modified impact-resistant co-polypropylene for mute drainage pipeline, and its preparation method
11/21/2012CN102786632A Adhesion resin used for steel mesh skeleton polyethylene composite pipe
11/21/2012CN102032398B Antibacterial oxygen-resistance heatproof composite pipe and preparation method thereof
11/20/2012US8314330 Umbilical for subsea installation
11/20/2012US8313065 Alloy insert clamp
11/20/2012CA2687436C Bent pipe and a method for its manufacture
11/15/2012WO2012153397A1 Helically corrugated synthetic resin pipe with joint, and structure for connecting helically corrugated synthetic resin pipes
11/15/2012WO2012151657A1 Cementitious compositions for making anti-tamper concrete (atc) coatings and coated pipes made therefrom
11/15/2012US20120285577 Method for heat-treating metal tubes or pipes for nuclear power plant, batch-type vacuum heat treatment furnace used therefor, and metal tubes or pipes for nuclear power plant heat-treated by the same
11/15/2012US20120285576 Welded steel pipe for linepipe with high compressive strength and manufacturing method thereof
11/15/2012US20120285575 Movable factory for simultaneous mobile field manufacturing and installation of non-metallic pipe
11/15/2012DE102011075998B3 Behälter, Rohr oder chemischer Apparat mit Farbindikator und Verbundhalbzeug mit Farbindikator zur Herstellung eines Behälters, Rohrs oder chemischen Apparats Container, tube or chemical apparatus with color indicator and composite semi-finished with color indicator for producing a container, tube or chemical apparatus
11/15/2012DE102011075745A1 Verfahren zur Herstellung eines Rohrs oder Rohrhalbzeugs und Rohr oder Rohrhalbzeug für den chemischen Apparatebau Process for the preparation of a pipe or tube and pipe semi-finished or semi-finished tube for chemical engineering
11/14/2012EP2522916A2 Air conditioning module
11/14/2012CN202532045U Plastic drainpipe
11/14/2012CN202532044U Polymerization pipe structure
11/14/2012CN202532043U Strip material and inner fin reinforced spiral winding tube material made from same
11/14/2012CN202532042U Steel-plastic composite structured wall pipe facilitating butt welding
11/14/2012CN202532041U Plastic-steel winding pipe easy for welding and butting
11/14/2012CN202532040U A connecting structure for steel reinforced spirally wound polyethylene pipes used in underground coal mines
11/14/2012CN202532039U Enhanced bidirectional bell and spigot composite pipe based on steel skeleton
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