| 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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| 03/08/2012 | WO2011140014A3 Pipe thread protector |
| 03/07/2012 | CN202158299U 陶瓷耐磨四通管 Stone pipe ceramic wear |
| 03/07/2012 | CN202158288U 高压大长度可扁平盘卷液体输送软管 High pressure and large flat coil length liquid delivery hose |
| 03/07/2012 | CN202158287U 颗料物料的输送管道 Pipeline granule material |
| 03/07/2012 | CN202158284U 一种压滤机用复合管 One kind of filter composite pipe |
| 03/07/2012 | CN202158279U 用于输送流体的无缝钢管 Seamless steel pipe for conveying fluids |
| 03/07/2012 | CN202158278U Copper aluminum composite tube and connecting tube of outdoor machine of air conditioner |
| 03/07/2012 | CN102367901A Tertiary air hose elbow of cement kiln |
| 03/01/2012 | WO2011139409A3 Line of sight hose cover |
| 03/01/2012 | US20120048415 Protective sleeve for a flexible pipe |
| 03/01/2012 | DE102010035517A1 Vorrichtung gegen die Ausbreitung von Explosionen Device against the propagation of explosions |
| 02/29/2012 | EP2423557A2 Stopper |
| 02/22/2012 | CN202149324U 弯管保护器 Elbow protectors |
| 02/22/2012 | CN102359668A Flame retardant and antistatic steel mesh skeleton polyethylene composite pipe for mining and manufacturing method thereof |
| 02/22/2012 | CN102359661A Method for manufacturing and fixing submarine pipeline buckle arrestor on basis of morphological energy adsorption |
| 02/21/2012 | US8118091 End protector system for tubular goods |
| 02/16/2012 | WO2011124398A8 Protective device for a pressure line, pressure line section and hydraulic system |
| 02/15/2012 | EP2417384A1 An article, an intermediate product, and a method of making an article |
| 02/15/2012 | CN101589261B 管道补修结构 Pipeline repair structure |
| 02/09/2012 | WO2012017286A1 Method to make a curved tubular element in order to convey abrasive materials such as concrete or suchlike, and curved tubular element thus obtained |
| 02/08/2012 | CN202140695U 一种洁净复合板风管 A clean composite duct board |
| 02/08/2012 | CN102032397B Concrete delivery tube and preparation method thereof |
| 02/02/2012 | WO2011151028A3 Threaded end of a tubular component for drilling or working hydrocarbon wells, and resulting connection |
| 02/02/2012 | US20120024412 Articulated piping for fluid transport applications |
| 02/01/2012 | EP2411724A1 Protective apparatus for covering flanges for pipe construction |
| 02/01/2012 | EP2411717A1 Protective sleeve for a flexible pipe |
| 02/01/2012 | CN202132652U 牺牲套 Sacrifice sets |
| 02/01/2012 | CN202132628U 燃气用通管 Gas by-pass pipe |
| 02/01/2012 | CN102336971A Microwave vulcanized ethylene propylene diene monomer (EPDM) sponge sheath and processing method thereof |
| 01/28/2012 | CA2710363A1 Cladding the interior of a straight pipe section |
| 01/26/2012 | WO2012009742A1 Smoke, sound and fire resistant blanket |
| 01/26/2012 | US20120020738 Systems and Apparatus for Protecting Subsurface Conduit and Methods of Making and Using the Same |
| 01/26/2012 | CA2805118A1 Smoke, sound and fire resistant blanket |
| 01/25/2012 | CN202125698U Pipeline bend |
| 01/25/2012 | CN202125682U Steel wire rubber hose with lining ceramic particles |
| 01/25/2012 | CN202125673U Composite wear-resisting pipe |
| 01/25/2012 | CN102330850A Bimetal centrifugal composite pipe and preparation method thereof |
| 01/25/2012 | CN102329452A Outer protection layer for PE (polyethylene) pipe and preparation method thereof |
| 01/18/2012 | EP2407698A2 Coupling device, crankcase ventilation device and fresh air system |
| 01/18/2012 | CN202118443U High-strength wear-resistant protective sleeve |
| 01/18/2012 | CN202118426U Composite bend of aluminum oxide ceramic lining |
| 01/18/2012 | CN202118424U Buffer device for ore mortar conveying pipeline elbow |
| 01/18/2012 | CN102322556A Coke oven ground station pre-spraying pipeline with wear-resistant structure and method for forming pre-spraying pipeline |
| 01/17/2012 | CA2496520C Cable guide sleeving structure |
| 01/12/2012 | WO2012004479A1 Device for protecting the male end fitting of a pipe |
| 01/12/2012 | WO2011121253A3 Facility for coating the inside of a pipe element and corresponding use |
| 01/12/2012 | US20120007354 Wear Resistant Slurry Pipe Fitting |
| 01/11/2012 | CN202109153U Protective sleeve for instrument pipeline connector |
| 01/11/2012 | CN202109133U Multi-passage mortar pipeline connector |
| 01/11/2012 | CN202109132U Ceramic abrasion-resistant tee |
| 01/11/2012 | CN202109103U High-strength abrasion resistant pipe |
| 01/05/2012 | US20120000541 Use of a conduit pipe for producing a duct laid in water |
| 01/04/2012 | CN202100892U Jacket pipe |
| 01/04/2012 | CN202100859U Water pipe for water tank or water pump |
| 01/04/2012 | CN102305334A Method for protecting anti-corrosion layer of pipeline during horizontal directional drilling crossing in oil and gas engineering |
| 01/03/2012 | US8087699 Assembly for attaching a clamp to a hose |
| 01/03/2012 | CA2601301C Corrugated pipe with outer layer |
| 12/29/2011 | WO2011160239A1 Protective pipe cover and support apparatus |
| 12/28/2011 | EP2399458A2 Flexible protective barrier |
| 12/28/2011 | EP2399058A1 Use of a conduit pipe for producing a duct laid in water |
| 12/28/2011 | CN202091718U 防火型聚四氟乙烯软管组件 Fire-type PTFE hose assemblies |
| 12/28/2011 | CN202091705U 一种双套筒式补偿器 A dual sleeve compensator |
| 12/28/2011 | CN202091699U 混凝土输送泵输送管双层弯头 Concrete pump delivery pipe double elbow |
| 12/28/2011 | CN202091695U 防爆加热三通管道 Explosion heating pipe tee |
| 12/28/2011 | CN102301174A 耐磨损浆料管配件 Wear-resistant slurry pipe fittings |
| 12/28/2011 | CN102297304A 一种混凝土输送管及其制造方法 For concrete duct and its manufacturing method |
| 12/28/2011 | CN101845542B 一种高压油管强化设备 A high-pressure tubing to strengthen equipment |
| 12/28/2011 | CN101821540B 具有编织热保护部件的热保护套管及其构造方法 Thermal protection sleeve and constructors have woven thermal protection components |
| 12/25/2011 | CA2708735A1 Protective pipe cover and support apparatus |
| 12/21/2011 | CN202082556U 提高折弯部位强度的燃气胶管 Improve the bending strength of the gas hose parts |
| 12/21/2011 | CN202082525U 便于折弯的燃气胶管 Easy to bend the gas hose |
| 12/21/2011 | CN102287594A 防碰无机玻璃钢复合管 Anti-collision inorganic glass fiber reinforced plastic composite pipe |
| 12/21/2011 | CN102287591A 防碰聚四氟乙烯复合管 Anti-collision PTFE composite pipe |
| 12/21/2011 | CN102287590A 防碰环氧树脂复合管 Anti-collision epoxy composite pipe |
| 12/21/2011 | CN102287586A 防碰搪瓷管 Anti-collision Enamel |
| 12/21/2011 | CN102287583A 防碰不锈钢复合管 Anti-collision stainless steel composite pipe |
| 12/21/2011 | CN102287582A 防碰钛复合管 Anti-collision titanium composite pipe |
| 12/21/2011 | CN102287581A 防碰锡复合管 Anti-collision tin composite pipe |
| 12/21/2011 | CN102287580A 防碰铅复合管 Fender Lead composite pipe |
| 12/21/2011 | CN102287579A 防碰铝复合管 Anti-collision aluminum composite pipe |
| 12/14/2011 | CN202074183U 一种内壁硬化耐磨异径管 One kind of wear-resistant hardened inner wall diameter pipe |
| 12/14/2011 | CN202074182U 结构一体化耐磨陶瓷涂层 Structural integration of ceramic coating |
| 12/14/2011 | CN202074181U 地面燃气架空设施用复合材料保护栏 Ground gas facilities with overhead protection composite column |
| 12/14/2011 | CN202074168U 一种超耐磨s管 An ultra wearable s tube |
| 12/14/2011 | CN202074145U 一种发动机燃油输送管 An engine fuel delivery pipe |
| 12/14/2011 | CN202074135U 泵用高耐磨性复合钢管 Pump with high wear resistance of composite steel |
| 12/14/2011 | CN102278568A 一种具有防水保护层的球墨铸铁管及其生产工艺 Ductile iron pipe and its production process for a waterproof protective layer |
| 12/14/2011 | CN102278567A 水管保护弹簧 Pipe protection spring |
| 12/14/2011 | CN102278550A 混凝土输送管道及其制造方法 Concrete pipes and its manufacturing method |
| 12/14/2011 | CN102278549A 耐热弹性绝缘管制备方法 Heat insulating elastic control equipment method |
| 12/13/2011 | US8074686 Tube for transporting high-viscosity materials |
| 12/08/2011 | WO2011151028A2 Threaded end of a tubular component for drilling or working hydrocarbon wells, and resulting connection |
| 12/08/2011 | US20110297266 Overmolded standoff and method for abrasion routing protection of a hose |
| 12/07/2011 | CN202065612U 耐磨减压缓冲连接器 Wearable pressure buffer connector |
| 12/07/2011 | CN202065589U 一体成型碳化硅耐磨陶瓷结构件 One piece of silicon carbide wear-resistant ceramic structure |
| 12/07/2011 | CN202065587U 砂浆输送管变向连接弯头 Mortar change to the connection duct elbow |
| 12/07/2011 | CN202065575U 不龟裂的pvc液压软管总成 Not cracking pvc hydraulic hose assemblies |
| 12/07/2011 | CN202065565U 一种外覆不锈钢的带丝塑料管接头 One kind covered with stainless steel wire with a plastic pipe fittings |
| 12/07/2011 | CN202064846U 节能型连续增强硅芯管 Energy-efficient continuous reinforced silicon core pipe |
| 11/30/2011 | CN202056468U 简易管道防冻裂装置 Simple pipeline anti-cracking unit |