| Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790) |
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| 10/09/2013 | CN203230968U Austenitic stainless steel pipe for high-pressure boiler |
| 10/09/2013 | CN203230966U Conveying pipeline with multilayer composite heat insulation structure |
| 10/09/2013 | CN203230963U Duplex stainless steel tube |
| 10/09/2013 | CN103348170A A conveying pipe part of a pneumatic material conveying system and a method for forming a pipe joint |
| 10/09/2013 | CN103343844A Duplex-metal composite gas drainage pipeline with coating and manufacturing method thereof |
| 10/09/2013 | CN103343842A Steel plastic composite pipe with end sealing device |
| 10/02/2013 | CN203223709U Heating power pipeline with polymer coating |
| 10/02/2013 | CN203223698U Multiple axial expansion joint |
| 10/02/2013 | CN203223696U Fully-buried expansion joint |
| 10/02/2013 | CN203223670U Protruding type inter-pipe connecting piece with macromolecule coatings |
| 10/02/2013 | CN203223664U PTFE (Poly Tetra Fluoro Ethylene) bellows |
| 10/02/2013 | CN203223662U Multilayer composite type PTFE (polytetrafluoroethylene) coextrusion pipe |
| 10/02/2013 | CN203223650U Composite steel pipe with polymer coated layer for power |
| 10/02/2013 | CN203223648U Steel-titanium composite heating tube |
| 10/02/2013 | CN203223645U High-potential metal seawater pipeline welding seat plate having composite structure |
| 10/02/2013 | CN103335175A Air conditioner connecting pipe and manufacturing method thereof |
| 10/02/2013 | CN103335150A Anti-corrosion high-pressure high-output automatic pressure reducer |
| 10/02/2013 | CN102635757B Reinforced antiseptic polyethylene steel-plastic adapter substitute and processing technology |
| 09/25/2013 | CN203215190U Freezing and scaling prevention water supply/drainage pipe |
| 09/25/2013 | CN203215186U Lining stainless steel plug for pipeline |
| 09/25/2013 | CN203215175U Ceramic tube with mounting support |
| 09/25/2013 | CN203215146U Bimetal composite flat welding flange piece |
| 09/25/2013 | CN203215128U Lining stainless steel internally threaded joint pipe fitting |
| 09/25/2013 | CN203215117U Novel armoured flexible anti-corrosion flame retardation fireproof hose |
| 09/25/2013 | CN203215115U Longitudinal submerged arc welding composite steel pipe for conveying acid media |
| 09/25/2013 | CN203215114U Acid-and-alkali-resistant and abrasion-resistant rubbish conveying steel pipe |
| 09/25/2013 | CN203215113U Composite steel pipe for supplying water and provided with polymer polyvinyl chloride coating |
| 09/25/2013 | CN203215107U Composite steel tube with glass reinforced plastic tube lined inside |
| 09/25/2013 | CN203215106U Multi-layer anti-corrosive wear-resistant deviation-resistant compound pipe |
| 09/25/2013 | CN203215103U 喷淋管结构 Sprinkler pipe structure |
| 09/25/2013 | CN203215097U Novel long-distance and corrosion-resistant oil pipeline component |
| 09/25/2013 | CN203215095U Corrosion-resistant water gas pressure pipeline |
| 09/25/2013 | CN203213265U Anti-corrosive diffuser for deepsea sewage discharging |
| 09/25/2013 | CN103328872A Pipe-joining method for building hydrocarbon pipelines, in particular, underwater pipelines |
| 09/25/2013 | CN103322379A Petroleum pipeline water-proof pipe fitting |
| 09/25/2013 | CN103322376A Bi-layer sheath for oil platform pipelines |
| 09/25/2013 | CN103322363A Impact-resistant plastic elbow |
| 09/25/2013 | CN103322361A Steel pipe |
| 09/25/2013 | CN103322358A Steel pipe |
| 09/25/2013 | CN103322330A Clamping-type platform pipeline connecting pipe |
| 09/25/2013 | CN103322305A High temperature smoke gas exhausting pipe and pipe support |
| 09/23/2013 | CA2774655A1 Methods and apparatuses for repairing a conduit |
| 09/18/2013 | CN203202444U Water supply hose of heat sink |
| 09/18/2013 | CN203202441U Saloon car air conditioner water returning rubber tube |
| 09/18/2013 | CN203202432U Pipeline device used for of drawing pipe |
| 09/18/2013 | CN103307372A Detachable type double-layer petroleum pipe fitting |
| 09/18/2013 | CN102588705B Pipeline compensator |
| 09/17/2013 | US8534712 Tubular joint having wedge threads with surface coating |
| 09/17/2013 | CA2599159C Method for manufacturing coated pipes |
| 09/11/2013 | CN203189952U Engineering pipe repairing piece |
| 09/11/2013 | CN203189886U Clean and environment-friendly PVC water draining pipeline |
| 09/11/2013 | CN1922433B Thread protector for tubular members |
| 09/11/2013 | CN103292111A Anti-corrosion composite oil pipe |
| 09/11/2013 | CN103292069A Heat-insulating petroleum pipe with in-built double channels |
| 09/11/2013 | CN103292068A Insulation oil pipe with inside and outside reinforcing rib structures |
| 09/11/2013 | CN103292067A Steel frame reinforced type petroleum pipe |
| 09/11/2013 | CN103292066A Novel oil delivery insulating pipe |
| 09/11/2013 | CN103292065A Insulation petroleum pipe with double-layer inner support structure |
| 09/11/2013 | CN103292049A Petroleum pipe fitting with external protective net |
| 09/11/2013 | CN103290306A Wear, corrosion and rust resistant metal pipeline |
| 09/11/2013 | CN102588702B Corrosion-resistant alloy lined composite mitre elbow and manufacturing method thereof |
| 09/11/2013 | CN102179128B Pipeline for conveying active parched desulfurization gas and mounting method thereof |
| 09/06/2013 | WO2013127353A1 Coated tube |
| 09/04/2013 | EP2633219A1 Connector |
| 09/04/2013 | CN203176581U Lining plastic compound steel pipe |
| 09/04/2013 | CN203176572U Metal bellows |
| 09/04/2013 | CN203176556U Waterproof device for wall bushing of underground-structure outer wall |
| 09/04/2013 | CN203176546U Aerator pipe anti-corrosion support |
| 09/04/2013 | CN103282128A Apparatus for internally treating pipes |
| 09/04/2013 | CN103277629A Abrasion resistant cast tube with high temperature oxidation resistant anticorrosive coating |
| 09/04/2013 | CN103277593A Environment-friendly and muting water pipe suitable for both cold water and hot water |
| 09/04/2013 | CN103277592A Novel oxygen-leakage-preventing composite underfloor heating tube |
| 09/04/2013 | CN103277590A Water pipe for discharging sewage underground |
| 09/04/2013 | CN103277588A Negative pressure pipe used under mine and manufacturing method thereof |
| 09/04/2013 | CN103276283A Anti-corrosive and wear-resistant pipeline for delivering minerals |
| 09/04/2013 | CN103276282A Fabrication method of anti-corrosive and wear-resistant pipeline for delivering minerals |
| 09/04/2013 | CN103276281A Preparation method for wear resistant metal pipeline with internal anticorrosive coating |
| 09/04/2013 | CN102304317B Solid electrolyte paint for protection of gas-phase cathode of pipeline in ocean platform atmospheric zone and preparing method thereof |
| 09/04/2013 | CN101696758B Corrosion control method of trenchless construction large diameter pipeline |
| 08/29/2013 | US20130220367 Method and Device for Treatment of a Pipestring Section that is Positioned in a Set-Back |
| 08/28/2013 | CN203162439U Anticorrosion layer structure for drainage connecting pipe of concrete storage tank equipment |
| 08/28/2013 | CN203162438U Anti-corrosive pipeline structure |
| 08/28/2013 | CN203162364U Double-metal pipe |
| 08/28/2013 | CN103270146A Joints having improved sealability, lubrication and corrosion resistance |
| 08/28/2013 | CN103267177A High-strength glass reinforced plastic sewage pipeline |
| 08/28/2013 | CN103267176A Anti-corrosion, high-temperature-resisting and wear-resisting cast pipe |
| 08/28/2013 | CN102181191B Alloy antiseptic composite coating for coal mine underground gas pipe |
| 08/28/2013 | CN102107176B Coating process for pipeline three-layer structural anticorrosive coating |
| 08/22/2013 | WO2013120201A1 Pipe, pipe connection and pipeline system |
| 08/22/2013 | US20130214034 Method and apparatus for coating pipes |
| 08/22/2013 | CA2806975A1 Insulation members employing standoff surfaces for insulating pipes, and related components and methods |
| 08/21/2013 | CN203147162U Insulation antiseptic heat shrinking sleeve of pipeline tee joint |
| 08/21/2013 | CN203147161U Insulated pipeline |
| 08/21/2013 | CN203147068U Novel plastic coated pipe |
| 08/21/2013 | CN103260855A Pipe repair method and repaired pipe |
| 08/21/2013 | CN103256452A Lifting pipe for high-strength submersible pump |
| 08/21/2013 | CN103256435A Double-coating steel tube |
| 08/15/2013 | US20130209175 Corrosion protection of pipes suspended in seawater |
| 08/14/2013 | EP2624966A1 Apparatus for internally treating pipes |
| 08/14/2013 | CN203131333U Heavy oil pipe buried under ground and passing through road |