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
12/19/2012CN202612879U Ultrahigh molecular weight polyethylene film dredging pipeline
12/19/2012CN202612878U High corrosion-resistance wear-resistance composite tube
12/19/2012CN202612877U Rigid polyvinyl chloride plastic composite tube
12/19/2012CN202612876U Plastic pipe for water supply
12/19/2012CN202612875U Oxygen-resistant heat-resistant tubing
12/19/2012CN202612874U Silver-free antibacterial polypropylene pipe
12/19/2012CN102829261A Duplex pipe for gas draining and hole sealing by grouting
12/19/2012CN102829260A FRPP (fiber reinforced polypropylene) steel-belt-wound ribbed tube and preparation method thereof
12/19/2012CN102829259A High-strength sealing cement pipe
12/19/2012CN102829258A Method for producing ceramic-lined aluminum alloy pipe
12/19/2012CN102829257A Hot water pipe
12/19/2012CN102829256A Pinhole outer layer hot water pipe
12/19/2012CN102829255A Hot water pipe with diamond mesh interlayer
12/19/2012CN102829254A Metallurgical fused composite concrete conveying pipe and manufacturing method thereof
12/19/2012CN102829253A Reducing integrated connecting pipe
12/19/2012CN102829252A Hot water pipe
12/19/2012CN102827439A PVC (Polyvinyl Chloride)-M (Modified) shock-resistant tubular product
12/19/2012CN102269299B Plastic, concrete and fiber composite pipe with reinforcing rib
12/19/2012CN101848963B Low migration polyolefin composition comprising vitamin E-type stabiliser
12/19/2012CN101220895B Abrasion-proof ceramic compound pipe and conveying method
12/18/2012CA2522274C Method of manufacturing stainless steel pipe for use in piping systems
12/17/2012CA2780414A1 Wear resistant inner coating for pipes and pipe fittings
12/15/2012CA2779333A1 Multilayer conduit with integraded wear indicator
12/14/2012DE202011105622U1 Leitungselement für Druck- und Abgasanwendungen Line element for pressure and exhaust applications
12/13/2012WO2012170948A1 Improved mortar-coated steel pipes and methods of making the same
12/13/2012WO2012135393A3 Thermoplastic multilayer tubes and process for manufacturing
12/13/2012US20120315095 Mortar-coated steel pipes and methods of making the same
12/13/2012DE102011105279A1 Verfahren zum Biegen thermoplastischer Rohre A method for bending thermoplastic pipes
12/12/2012CN202597936U Unplasticised polyvinyl chloride (U-PVC) mute spiral noise reduction pipe
12/12/2012CN202597935U Belt for safely conveying gas of cutting torch
12/12/2012CN202597934U Water pipe with frost burst prevention function
12/12/2012CN202597933U Double flat wall steel plastic drainpipe
12/12/2012CN202597932U Hyperbolic drainage tube
12/12/2012CN202597931U Novel PP-R (polypropylene random) aluminum stable composite pipe
12/12/2012CN202597930U Heat-preserving anticorrosive high-pressure-bearing special steel-plastic pipe
12/12/2012CN202597929U Composite coating anti-corrosion steel tube
12/12/2012CN202597928U Multi-layer composite pipeline capable of pre-measuring and pre-warning corrosion depth of pipeline
12/12/2012CN202597927U Double-wall enhanced tube
12/12/2012CN202597926U Fracture-resistant corrugated pipe
12/12/2012CN202597925U Sun-proof polyvinyl chloride (PVC) tube
12/12/2012CN202597924U Rectangular PVC (polyvinyl chloride) pipe
12/12/2012CN202597923U Reinforced drain pipe
12/12/2012CN202597922U Needle frame main tube and forming die thereof
12/12/2012CN202597921U Nickel-base alloy composite board reducing pipe
12/12/2012CN202597920U Lining corrosion-resisting alloy composite variable diameter metal tube
12/12/2012CN202597919U Duplex stainless steel-lined composite metal pipe
12/12/2012CN202597918U Lining titanium composite metal tube
12/12/2012CN202597917U Processing equipment of far infrared ray fuel delivery pipes
12/12/2012CN202592827U Novel dual-layer co-extrusion MPP (Modified Poly Propylene) pipe
12/12/2012CN102821939A Flexible tube having high temperature resistance
12/12/2012CN102821938A Flexible pipe having a diffusion barrier
12/12/2012CN102818077A Plastic and concrete composite enhanced pipeline
12/12/2012CN102815003A Manufacturing method of polyurethane wear-resisting pipe
12/12/2012CN102814888A Metal composite delivery pipe with polyurethane elastomer lining and manufacturing method and application of metal composite delivery pipe
12/12/2012CN102181246B Heat-resistant hot melt adhesive and preparation method and application thereof
12/12/2012CN101876383B Composite metal pipe and manufacturing method thereof as well as composite pipeline formed therefrom
12/12/2012CN101660632B Prestressed large-scale ribbed steel pipe
12/12/2012CN101553680B Method for fabricating solid body having superhydrophobic surface structure and superhydrophobic tube using the same method
12/11/2012US8329274 Fuel hose
12/06/2012WO2012163858A1 Process for lining metal pipelines
12/06/2012WO2012163462A1 Double-walled fuel supply line element
12/06/2012US20120308463 Method and apparatus to minimize air-slurry separation during gypsum slurry flow
12/06/2012US20120308186 Transfer member assembly
12/06/2012US20120306492 Penetration tube assemblies for reducing cryostat heat load
12/06/2012US20120305229 Heat exchanger and related methods
12/06/2012US20120305123 Propylene resin compostion and molded article
12/06/2012US20120305122 Welded steel pipe for linepipe having high compressive strength and high fracture toughness and manufacturing method thereof
12/06/2012US20120305088 Conduit and a method of cleaning a conduit
12/06/2012US20120305083 Co-extruded oxidation-resistant polyethylene pipe and method of manufacture
12/06/2012US20120304656 Combustion liner and transition piece
12/06/2012CA2836110A1 Process for lining metal pipelines
12/05/2012EP2530294A1 Double-walled fuel supply line element
12/05/2012CN202580352U Reinforced large-caliber thin-board metal pipeline
12/05/2012CN202580351U Oil pipe assembly
12/05/2012CN202580350U Gas conveying pipeline
12/05/2012CN202580349U Tube framework reinforced composite plastic tube
12/05/2012CN202580348U Circular tube framework used for manufacturing corrugated tube
12/05/2012CN202580347U Nickelic austenite nodular cast iron composite cast pipe
12/05/2012CN202580346U Internal anti-drag steel tube for natural gas transportation
12/05/2012CN202580345U Ultrahigh compound pipeline
12/05/2012CN202580344U Steel-plastic composite pressure pipe
12/05/2012CN202580343U Polyethylene multilayer pipe for gasoline station
12/05/2012CN202580342U Corrugated pipe formed by T-shaped hook round pipe framework
12/05/2012CN202580341U Circular tube framework type big-caliber corrugated tube
12/05/2012CN202580340U Fiber reinforcement plastic concrete high pressure oil pipe
12/05/2012CN202580339U Glass fiber graphite pipe
12/05/2012CN202580338U Prestressed concrete cylinder pipe for jacking construction method
12/05/2012CN202580337U Fiber reinforced plastic and glass fiber reinforced concrete composite pressure pipe
12/05/2012CN202580336U Thermoplastic large-caliber polytetrafluoroethylene thin-walled pipe
12/05/2012CN202580335U Direct-buried thermal insulation pipe with inner anti-corrosion layer
12/05/2012CN202580334U High-density polyethylene (HDPE) trenchless pipe
12/05/2012CN202580333U Material pipe used for conveying thiophanate-methyl
12/05/2012CN202580332U Bimetal composite pipe fitting with instrument joint
12/05/2012CN202580331U Hollow pipe material manufacturing device
12/05/2012CN202580330U Drainage device used for cleaning wastewater in concrete pump truck pipeline
12/05/2012CN202580329U Big-diameter silica gel pipe
12/05/2012CN202580328U Hydrochloric acid pipe for chemical enterprise
12/05/2012CN202578753U Gas draining pipe for coal mining
12/05/2012CN102809002A Polyethylene-aluminum composite pipe with antibacterial function
12/05/2012CN102809001A Compound non-metal water delivery pipeline
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