| 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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| 04/10/2013 | CN202868199U Cast stone abrasion resisting pipe fittings |
| 04/10/2013 | CN202868198U Pipeline protective device and pipeline for transporting high-temperature gas |
| 04/10/2013 | CN202868197U Composite type polyurethane heat insulting pipe |
| 04/10/2013 | CN202868186U Gas pipeline ripple compensator |
| 04/10/2013 | CN103032652A Pipeline |
| 04/09/2013 | US8415447 Multilayer; foamed plastic interface; material handling of crude oil |
| 04/03/2013 | CN202852331U Hard material conveying pipe |
| 04/03/2013 | CN202852330U Pipeline filling body |
| 04/03/2013 | CN202852329U Water pipe protective sleeve |
| 04/03/2013 | CN202852328U Drainpipe sleeve |
| 04/03/2013 | CN202852313U Directly buried steam pipeline system |
| 04/03/2013 | CN202852297U Material transportation bend pipe and power cabin feeding device |
| 04/03/2013 | CN202847007U Splash-proof belt for pipeline protection |
| 04/03/2013 | CN103016883A Negative pressure-preventing polytetrafluoroethylene-lined creased elbow |
| 04/03/2013 | CN103016882A Wear resistant elbow structure with internally pasted ceramic |
| 04/03/2013 | CN103016880A Novel tee joint |
| 04/03/2013 | CN103016857A Material conveying pipe and manufacturing method thereof |
| 04/03/2013 | CN101412452B End protector device for tubular structures |
| 03/27/2013 | CN202834580U Insulating sleeve |
| 03/27/2013 | CN202834575U Pressure relief protective device of high-pressure pipeline |
| 03/27/2013 | CN202834574U Double-layer heat preservation bob-weight submarine pipeline |
| 03/27/2013 | CN202834553U Gauge pipe structure |
| 03/27/2013 | CN202834550U Corrugated expansion joint special for abrasion-resistant high-temperature furnace slag pipeline |
| 03/27/2013 | CN202834488U Sealing type holding pipe |
| 03/27/2013 | CN202834486U Composite pipe joint for gas pipeline |
| 03/27/2013 | CN202834484U Novel water pipe device |
| 03/27/2013 | CN202834461U Braided hose |
| 03/27/2013 | CN202834439U Embedded-type prestressing force steel cylinder concrete pipe coated with fiber anti-crack layer and anti-corrosion layer |
| 03/27/2013 | CN202828965U Powder material conveying duct device |
| 03/27/2013 | CN103002990A Facility for coating the inside of a pipe element and corresponding use |
| 03/27/2013 | CN102996965A Abrasion-resistant bellows compensator |
| 03/27/2013 | CN102996964A Abrasion-resisting corrugated expansion joint special for slag discharging pipeline of blast furnace and coking furnace |
| 03/27/2013 | CN102996909A Cement pipe with breakage-proof pipe ports |
| 03/20/2013 | EP2570554A1 Tool for making a diaphragm wall |
| 03/20/2013 | EP2569564A1 Cable pull-in system and method for offshore structures |
| 03/20/2013 | CN202812654U Recrystal silicon carbide composite bend |
| 03/20/2013 | CN202812653U Intercooler air outlet corrugation connecting pipe |
| 03/20/2013 | CN202812652U Aluminum alloy plastic pipe protective sleeve for plastic-lined aluminum alloy pipe at hot melt connection position |
| 03/20/2013 | CN202812651U Electrofusion pipe fitting protection box |
| 03/20/2013 | CN202812610U Novel wear-resistant bend |
| 03/20/2013 | CN202812524U Wear-resistant metal hose for powder feeding pipe |
| 03/20/2013 | CN202812519U Novel fire hose |
| 03/20/2013 | CN202812509U Flame-retardant composite pipe |
| 03/20/2013 | CN202810903U Protective device for gas pumping pipeline |
| 03/20/2013 | CN102985746A Pipe thread protector |
| 03/20/2013 | CN102985741A Protective device for a pressure line, pressure line section and hydraulic system |
| 03/20/2013 | CN102980018A High pressure-resistant polyvinyl chloride (PVC) pipe |
| 03/20/2013 | CN102979962A Antistatic PVC (polyvinyl chloride) pipe |
| 03/20/2013 | CN102305334B Method for protecting anti-corrosion layer of pipeline during horizontal directional drilling crossing in oil and gas engineering |
| 03/13/2013 | EP2567140A2 Pipe thread protector |
| 03/13/2013 | CN202791150U Super wear-resisting anticorrosion pipeline |
| 03/13/2013 | CN202791149U Spiral sleeve for arming inside and outside of flexible hose |
| 03/13/2013 | CN202791148U Outlet connecting pipe of foam pump |
| 03/13/2013 | CN202791147U Pipeline leakage preventing device |
| 03/13/2013 | CN202791146U Carbon steel hot air pipeline with fireproofing material linings |
| 03/13/2013 | CN202791118U Multifunctional oil pipeline |
| 03/13/2013 | CN202791096U Zirconia ceramic lined elbow |
| 03/13/2013 | CN202791095U Silicon nitride ceramic lining elbow |
| 03/13/2013 | CN202791094U Corundum ceramic lined elbow |
| 03/13/2013 | CN202791054U Extension pipe |
| 03/13/2013 | CN202790986U Ceramic-lined steel tube |
| 03/12/2013 | CA2643351C Fluid conduit with self-healing protective sleeve |
| 03/07/2013 | WO2013033465A1 Multilayer protective liner |
| 03/07/2013 | WO2013031948A1 Plug for connector |
| 03/07/2013 | WO2013031261A1 Protector and attachment structure for protector |
| 03/07/2013 | CA2847165A1 Multilayer protective liner |
| 03/06/2013 | EP2565511A1 Stopper |
| 03/06/2013 | EP2564107A2 Line of sight hose cover |
| 03/06/2013 | EP2564106A1 A hose shroud |
| 03/06/2013 | CN202769176U Pipeline with goldelbow |
| 03/06/2013 | CN202769175U Heading machine motor hose protective device |
| 03/06/2013 | CN202769084U Polypropylene fire-fighting spraying pipe |
| 03/06/2013 | CN102954294A Steam flow plastic corrugated pipe |
| 03/06/2013 | CN102954262A Deflagration overpressure relief device with wave adsorption and flame suppression functions |
| 03/06/2013 | CN101974282B Drag-reducing abrasion-resisting solventless coating for pipeline as well as preparation method and application thereof |
| 02/27/2013 | CN202756834U Buffering abrasion-resisting type bend pressure balancing type expansion joint |
| 02/27/2013 | CN202756829U Anticorrosion abrasion resistant composite expansion joint |
| 02/27/2013 | CN202756828U High-temperature-resistant abrasion-resistant non-metal compensator |
| 02/27/2013 | CN202756780U Compound steel pipe with outer reinforced resins coating and inner epoxy resins coating for underground coal mine |
| 02/27/2013 | CN202755552U Downpipe sound insulation device |
| 02/27/2013 | CN102943945A Earthquake-proof protection method for pipeline projects passing through fault zones |
| 02/27/2013 | CN102943944A Rain-proof device for flange connection position of gas station breather pipe |
| 02/27/2013 | CN102010622B Anti-corrosion and anti-friction material and ash deposition free anti-corrosion and anti-friction powder conveying pipeline thereof |
| 02/26/2013 | CA2750775A1 Pipeline crossing bridge |
| 02/21/2013 | DE102010014340B4 Schutzvorrichtung für eine Druckleitung und Druckleitungsabschnitt A protective device for a pressure line and pressure line section |
| 02/20/2013 | EP2558631A2 Thick inorganic fiber webs and methods of making and using |
| 02/20/2013 | CN202746847U Protective device for non-metal pipeline joint |
| 02/20/2013 | CN202746801U Externally sheathed enhanced explosion-proof corrugated metal hose special for food |
| 02/19/2013 | US8375995 Device for protecting a male end of a threaded tubular connection component, having open and closed positions, and associated methods and mounting machines |
| 02/18/2013 | DE202011108011U1 Brandschutzvorrichtung mit integriertem Verschluss Fire protection device with integrated shutter |
| 02/14/2013 | US20130037156 Hose shroud |
| 02/13/2013 | EP2556284A1 Protective device for a pressure line, pressure line section and hydraulic system |
| 02/13/2013 | CN202733338U Heat insulation and heat preservation sleeve of long heat transfer pipe network |
| 02/13/2013 | CN202733330U Emptying buffering device used in inorganic silicon production |
| 02/13/2013 | CN202733329U Ball grinder wear-resisting feed inclined tube |
| 02/13/2013 | CN202733310U Noise absorbing high hydrophobic environmental friendly air pipe |
| 02/13/2013 | CN202733202U Anti-light water supply pipeline |
| 02/13/2013 | CN102933313A Section of pipe lined with a resin mortar and manufacturing method thereof |
| 02/13/2013 | CN102927406A Z-shaped-section pressure-resisting armor layer for composite hoses |
| 02/06/2013 | EP2554886A2 Use of a passive fire alarm system for conduits and corresponding method. |