| 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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| 02/06/2013 | EP2554885A2 Passive fire alarm system for conduits and associated method |
| 02/06/2013 | EP2552601A2 Facility for coating the inside of a pipe element and corresponding use |
| 02/06/2013 | EP2552600A1 Section of pipe lined with a resin mortar and corresponding method |
| 02/06/2013 | CN102913694A Corrugated pipe with wear-resistant layer |
| 02/06/2013 | CN102913692A High temperature resistant air duct |
| 02/06/2013 | CN102913687A Delivery pipe, manufacturing method thereof and concrete pumping device |
| 02/06/2013 | CN102112794B Device for protecting threaded tubular component and tubular component provided with same |
| 02/05/2013 | CA2670364C A connector |
| 02/03/2013 | CA2782930A1 Passive fireproofing system for pipelines |
| 02/03/2013 | CA2781980A1 Passive fireproofing system for pipelines |
| 02/01/2013 | DE202009018746U1 Abdeckvorrichtung für ein Rohr und Rohr mit einer solchen Abdeckvorrichtung A cover for a pipe and pipe with such a capping |
| 01/31/2013 | WO2013014089A1 Closure element for pipe ends |
| 01/30/2013 | CN202708472U Anti-abrasion bushing of waste heat boiler heat exchange tube |
| 01/30/2013 | CN202708471U Corrugated pipe with protection layer for gas appliance connection |
| 01/30/2013 | CN202708470U Composite pipeline with resistance to high temperature and wear |
| 01/30/2013 | CN202708469U Flame-retardant heat-shrinkable sleeve for protecting automobile rubber hose |
| 01/30/2013 | CN202708468U Pipeline water purifier and pipeline pressure bearing structure |
| 01/30/2013 | CN202708467U High-pressure oil line protective pipe |
| 01/30/2013 | CN202708466U Oil way protective pipe |
| 01/30/2013 | CN202708419U Detachable corrugated pipe for gas appliance connection |
| 01/30/2013 | CN202708417U Stainless steel corrugated pipe for gas |
| 01/30/2013 | CN202708410U Different-diameter rubber-lining steel casing tube expansion piece |
| 01/30/2013 | CN202708400U Mold pressing flange sleeve |
| 01/30/2013 | CN202708375U Intermission type non-sizing stainless steel corrugated pipe |
| 01/30/2013 | CN202708367U Multi-layer antibacterial water pipe |
| 01/30/2013 | CN202708361U Aluminum alloy pipe fitting and lining plastic PP-RCT or PE 100-RC aluminum alloy pipe system composed of same |
| 01/23/2013 | EP2548996A2 Metal dusting protection for welded pipe assemblies |
| 01/23/2013 | CN202691408U Wholly-formed ceramic elbow |
| 01/23/2013 | CN202691407U Macromolecular enhanced composite wear-resistant elbow |
| 01/23/2013 | CN202691379U Water pipe connecting piece with flexible component |
| 01/23/2013 | CN202691377U Conveying pipe and pumping machinery with same |
| 01/23/2013 | CN202691336U Fuel oil burner anti-explosion electrical heating metal hose |
| 01/23/2013 | CN202691322U Embedding prestress steel cylinder concrete pipe with fiber anti-crack mortar protecting layer on surface |
| 01/23/2013 | CN102889450A Metal dusting protection for welded pipe assemblies |
| 01/18/2013 | CA2783266A1 Metal dusting protection for welded pipe assemblies |
| 01/17/2013 | WO2013009188A1 Tubular component with an internal wear-resistant surface |
| 01/17/2013 | WO2013007404A1 Extraction assembly including an information module |
| 01/17/2013 | CA2841115A1 Tubular component with an internal wear-resistant surface |
| 01/16/2013 | CN202674714U Thermal insulating layer structure for radiographic inspection of high-temperature pipelines |
| 01/16/2013 | CN202674712U Plumbing copper tube |
| 01/16/2013 | CN202674710U Coal mill discharging pipe with wear-resistant structure |
| 01/16/2013 | CN202674709U Anti-wear device for tremie pipe of shot blasting machine |
| 01/16/2013 | CN202674708U Shower head hosepipe |
| 01/16/2013 | CN202674675U Super-wear-resisting corrugated expansion joint |
| 01/16/2013 | CN202674664U Air duct elbow with wear-resistant ring |
| 01/16/2013 | CN202674663U Blowing pipeline elbow wear-resistance device |
| 01/16/2013 | CN202674659U Material conveying pipe with multiple outlets and concrete conveying device comprising same |
| 01/16/2013 | CN202674604U Inner spiral plastic water pipe |
| 01/16/2013 | CN202674600U Novel suction tube |
| 01/16/2013 | CN202674530U Cross protection device for seabed pipeline |
| 01/16/2013 | CN102878363A Telescopic tube |
| 01/15/2013 | CA2527455C Thread supporting stabilizer assembly |
| 01/10/2013 | WO2013004018A1 Concrete conveyor pipe and manufacturing method therefor |
| 01/09/2013 | CN202660077U Refractory pipe |
| 01/09/2013 | CN202656472U Pulling and fixing device for high-density polyethylene (HDPE) pipe lining |
| 01/09/2013 | CN102869913A A hose shroud |
| 01/09/2013 | CN102865433A Composite type polyurethane heat preservation pipe |
| 01/03/2013 | WO2013002126A1 Connector |
| 01/03/2013 | US20130000750 Protective sheath for structural components |
| 01/02/2013 | EP2539622A1 Coated sleeved oil and gas well production devices |
| 01/02/2013 | CN202647068U Splicing-type self-arching abrasion resistant ceramic component |
| 01/02/2013 | CN202647067U Steel ring sheet having improvement structure |
| 01/02/2013 | CN202647066U Guard pipe of gas pipeline |
| 01/02/2013 | CN202647030U Bend applied to concrete delivery |
| 01/02/2013 | CN202646950U Improved delivery pipe used for conveying concrete |
| 01/02/2013 | CN202644669U Anti-blocking delivery pipeline |
| 01/02/2013 | CN102859250A Coated sleeved oil and gas well production devices |
| 01/02/2013 | CN102853208A Decompression protection device of high-pressure pipes and protection method |
| 01/02/2013 | CN102242854B Instrument pipeline interface protecting jacket |
| 12/27/2012 | WO2012177144A1 Tubular body coated with an internal wear coating and method of manufacturing such a coating |
| 12/26/2012 | CN202629479U Pipeline sheath |
| 12/26/2012 | CN202629452U Dedicated elbow inner container for double-layer wear-resistant concrete pump truck |
| 12/26/2012 | CN202629451U Novel wear-resistant elbow with visible alarm function |
| 12/26/2012 | CN202629447U Reflux type detachable wear-resistant elbow |
| 12/26/2012 | CN202629355U Polyvinyl chloride pipe material |
| 12/26/2012 | CN202629353U Ultraviolent-resistant PPR (Poly Propylene Randon Coplymer) pipe with joint |
| 12/26/2012 | CN202629352U Plastic-coated welded pipe |
| 12/26/2012 | CN102840421A Drain pipe |
| 12/26/2012 | CN102840394A Recrystallized silicon carbide composite elbow pipe and preparation method thereof |
| 12/26/2012 | CN102278550B Concrete transporting pipe and manufacturing method thereof |
| 12/20/2012 | WO2012174236A1 Coated textile sleeve and method of construction thereof |
| 12/19/2012 | EP2535992A2 Multilayer conduit with integrated wear indicator |
| 12/19/2012 | EP2535628A2 Conveying element for fluids |
| 12/19/2012 | CN202612971U Anti-erosion bushing inside diethanolamine (DEA) regeneration tower bottom tower-returning line connection pipe |
| 12/19/2012 | CN202612970U Waterproof straight pipe sleeve |
| 12/19/2012 | CN202612969U Pipe joint waterproof pipe sleeve |
| 12/19/2012 | CN202612968U Waterproof pipe joint sleeve |
| 12/19/2012 | CN202612967U Waterproof three-way pipe casing |
| 12/19/2012 | CN202612884U Ceramic corrosion and abrasion resistant pipe |
| 12/19/2012 | CN102829283A Protective cover of water pipe |
| 12/19/2012 | CN102829256A Pinhole outer layer hot water pipe |
| 12/19/2012 | CN102278568B Ductile cast iron pipe with waterproof protective layer and production process thereof |
| 12/19/2012 | CN101983286B Pipe joint cover |
| 12/19/2012 | CN101220895B Abrasion-proof ceramic compound pipe and conveying method |
| 12/18/2012 | CA2717014C Line of sight hose cover |
| 12/17/2012 | CA2780414A1 Wear resistant inner coating for pipes and pipe fittings |
| 12/13/2012 | US20120313368 Pipe joint restraint apparatus and method |
| 12/12/2012 | CN202598024U Ceramic sheet for metal pipeline |
| 12/12/2012 | CN202597935U Belt for safely conveying gas of cutting torch |
| 12/12/2012 | CN202597934U Water pipe with frost burst prevention function |