| Patents for F16L 57 - Protection of pipes or objects of similar shape against external or internal damage or wear (3,889) |
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| 09/19/2012 | CN202442064U High-temperature-resistant corrosion-resistant tubular product |
| 09/19/2012 | CN202442061U Coating pipe |
| 09/19/2012 | CN202442058U Wear resistant telescoping device |
| 09/19/2012 | CN202442057U Hose assembly with protective sleeve |
| 09/19/2012 | CN102679082A Super-wear-resisting corrugated expansion joint |
| 09/19/2012 | CN102679078A 混凝土输送管弯头 Concrete delivery pipe elbow |
| 09/13/2012 | WO2012122270A1 Multilayer protective liner |
| 09/13/2012 | US20120227854 Open ended industrial pipe cap with recessed finger grip |
| 09/13/2012 | CA2826722A1 Multilayer protective liner |
| 09/12/2012 | EP2497890A2 Sealing device for hollow profiles |
| 09/12/2012 | CN202432182U Fireproof heat-insulation protecting pipeline |
| 09/12/2012 | CN202432178U Heat-insulation petroleum pipe |
| 09/12/2012 | CN202432129U Reinforced composite pipe |
| 09/12/2012 | CN102661471A Nanocomposite wear-resisting and anti-corrosion coating pipe fitting |
| 09/06/2012 | US20120224923 Device for covering and protecting buried pipes or cables |
| 09/05/2012 | CN202419009U Dedicated protective sleeve for hole shrinkage-proof pipe fitting |
| 09/05/2012 | CN202419005U Embedded compound elbow and concrete conveying equipment |
| 09/05/2012 | CN202418941U Fireproof connection pipe for firefighting |
| 09/05/2012 | CN202418940U Pipe clamp for double-layer conveying pipe and concrete pumping device |
| 09/05/2012 | CN102654227A Easily suspended ring protection fiber expansion joint with layering |
| 09/05/2012 | CN102654221A Wear-resistant type metal flexible pipe |
| 08/29/2012 | CN202402832U Corrosion-resistant hydraulic hose for cold rolling mill |
| 08/29/2012 | CN202402828U Coal mine underground composite steel pipe with outer polyethylene coating and inner epoxy resin coating |
| 08/29/2012 | CN101899253B Wear-resistant and high temperature-resistant powder coating for preventing corrosion of inside and outside of steel pipeline |
| 08/29/2012 | CN101844431B Method for processing composite pipeline of ceramic macromolecular lining and composite pipeline thereof |
| 08/22/2012 | CN202392357U Directly-buried steam conveying pipeline |
| 08/22/2012 | CN202392339U Ash pipe |
| 08/22/2012 | CN202392326U Improved glass wool rigid section |
| 08/22/2012 | CN202392302U Fire resistant pipe |
| 08/22/2012 | CN102644809A Hose of shower head |
| 08/16/2012 | WO2012107687A1 Reduced pressure-drop pipe element |
| 08/15/2012 | CN202381862U High-strength, anti-static and flame resistant composite pipe for mining industry |
| 08/15/2012 | CN102639919A Use of a conduit pipe for producing a duct laid in water |
| 08/15/2012 | CN102635752A 高温膨胀节 High temperature expansion joints |
| 08/08/2012 | CN202371381U Protective sleeve for bus tube circuit |
| 08/08/2012 | CN202371369U Wear-resistant elbow |
| 08/08/2012 | CN202371367U Wear-resistant elbow |
| 08/08/2012 | CN202371326U Composited tube for convenient connection |
| 08/08/2012 | CN202371322U Material conveying machine and conveying pipe with composite structure |
| 08/08/2012 | CN202371321U Steel tube with steel mesh |
| 08/01/2012 | CN202360998U Abrasion resistant polyurea elastic body compound pipe |
| 08/01/2012 | CN202360997U Casing pipe used for metal automobile pipe |
| 08/01/2012 | CN202360996U Device for improving abrasion of medium pipeline elbow |
| 08/01/2012 | CN202360995U Automobile brake hard tube protecting structure |
| 08/01/2012 | CN202360925U Sand suction pipe |
| 08/01/2012 | CN202360922U Synthesis tube |
| 08/01/2012 | CN202360913U Polyvinyl chloride coating pipe fitting and pipe material for underground coal mine |
| 08/01/2012 | CN102620113A Water pipe protection device |
| 08/01/2012 | CN102620103A Integrally formed wear-resistant metal corrugated pipe expansion joint |
| 07/31/2012 | CA2766513A1 Lining measurement system for a pipe or other fluid-handling component |
| 07/26/2012 | DE102011009438A1 Brandschutzeinsatz für einen gasführenden Leitungsabschnitt und Gaszähler Fire protection insert for a gas pipeline section and gas meters |
| 07/25/2012 | CN202349507U Pressure-resistant and anti-corrosion pipe |
| 07/25/2012 | CN202349506U Wearing resistant alloy linings for coal conveying pipeline |
| 07/25/2012 | CN202349505U Abrasion-proof accessory for bent pipeline |
| 07/25/2012 | CN202349486U Composite wear-resistant concrete conveying bend pipe |
| 07/25/2012 | CN102606839A Wear-resistant metal bellows expansion joint |
| 07/25/2012 | CN102606837A Full-sealing type abrasion resistant fiber expansion joint |
| 07/25/2012 | CN102606836A Novel wear-resistant fiber expansion joint |
| 07/25/2012 | CN102606835A Novel wear-resistant fiber expansion joint |
| 07/25/2012 | CN102606834A Fiber expansion joint with strap protecting device and novel depression bar |
| 07/25/2012 | CN102606832A Fiber expansion joint with strap protecting devices |
| 07/25/2012 | CN102606818A Fireproofing pipe joint |
| 07/25/2012 | CN102219940B Sulfuration material for radiation pipeline shielding sleeve lead core |
| 07/24/2012 | US8227066 Annular disc of bent sheet material |
| 07/24/2012 | US8225809 Methods and apparatus for introducing a pig into a fluid system |
| 07/24/2012 | CA2731872A1 Flame resistant hose construction and method |
| 07/19/2012 | US20120183356 Device for protecting at least one pipe located at the bottom of a body of water, and associated fluid transport assembly |
| 07/18/2012 | EP2261497B1 Pipe joint cover |
| 07/18/2012 | CN202338734U 一种新型便捷式盾壳保温系统 A new portable shield shell insulation system |
| 07/18/2012 | CN202338733U 煤气炉管道阀门装置 Gas stove pipe valve device |
| 07/18/2012 | CN202338723U 一种耐冲刷磨损的管道弯头 One kind of erosion wear resistant pipe elbow |
| 07/18/2012 | CN202338717U 一种内衬超高分子量聚乙烯材料的钢塑复合伸缩节 An expansion joint lining plastic composite material UHMWPE |
| 07/18/2012 | CN202338708U Abrasion-proof high-pressure corrosion-resisting fire hose |
| 07/18/2012 | CN1894534B Coated pipes for conveying oil |
| 07/18/2012 | CN102597599A Protector for threaded joint for pipe |
| 07/18/2012 | CN102588705A Pipeline compensator |
| 07/11/2012 | EP2474774A1 Protector for threaded joint for pipe |
| 07/11/2012 | CN202327523U 直埋式蒸汽输送管道 Buried steam pipeline |
| 07/11/2012 | CN202327517U 防腐管道 Pipeline corrosion |
| 07/11/2012 | CN202327515U 防瘪油管 Anti deflated tubing |
| 07/11/2012 | CN202327472U Concrete conveying elbow pipe and concrete pumping equipment |
| 07/11/2012 | CN202327409U 抗老化的橡塑管 Aging of rubber tube |
| 07/11/2012 | CN202327398U 高分子材料耐磨复合管 Wear-resistant polymer material composite pipe |
| 07/11/2012 | CN202327394U 一种组合型连接防火保温通风管 A combination of fire insulation ventilation pipe connectors |
| 07/11/2012 | CN202327390U 耐磨管件 Wear-resistant pipe fittings |
| 07/11/2012 | CN102563235A Cold and hot air guide pipe |
| 07/05/2012 | WO2012088838A1 Terminal flexible pipe for cantilever system of concrete conveying machine and method of making the same, as well as the concrete conveying machine |
| 07/05/2012 | CA2823424A1 Flame arrester |
| 07/04/2012 | CN202302568U 耐磨保温管道 Wear resistant pipe insulation |
| 07/04/2012 | CN202302558U 一种颗粒状物料输送装置 A particulate material handling equipment |
| 07/04/2012 | CN202302539U 防冻管 Antifreeze pipe |
| 07/04/2012 | CN202302446U 一种发电机组的防烫波纹管 An electric generator group of anti-scald bellows |
| 07/04/2012 | CN202302433U 一种流体传输转换接头 A fluid transport adapter |
| 07/04/2012 | CN202302362U 卤水净化钙镁泥注入井下用泵耐腐吸排管 Underground injection of calcium and magnesium brine purification mud suction pump discharge pipe corrosion |
| 07/04/2012 | CN202302358U 一种新型耐热聚乙烯地暖管材 A new heat-resistant polyethylene to warm the pipe |
| 07/04/2012 | CN202302357U 耐磨陶瓷复合直管 Wear-resistant ceramic composite straight |
| 07/04/2012 | CN202302350U 矿用阻燃抗静电钢丝网骨架聚乙烯复合管 Mine fire-retardant anti-static steel mesh skeleton polyethylene pipe |
| 07/04/2012 | CN202302349U 共挤耐磨抗菌管 Extruded tube wear-resistant bacteria |
| 07/04/2012 | CN102537588A Special protecting sleeve for anti-reducing pipe fitting |
| 07/04/2012 | CN102537533A Material conveying machine, composite structure conveying pipe and manufacture method thereof |