| Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790) |
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| 01/14/2009 | CN201180885Y Corrugated expansion regulator |
| 01/14/2009 | CN201180868Y Plastic inner lining extruding type socket steel loop concrete push pipe |
| 01/14/2009 | CN201180867Y Plastic inner lining socket concave steel loop concrete push pipe |
| 01/14/2009 | CN201180866Y Plastic inner lining socket steel loop concrete push pipe |
| 01/07/2009 | CN201177142Y Connector of pipe |
| 01/07/2009 | CN201177108Y Welding type steel tubing |
| 01/07/2009 | CN101341017A Pipe preformed liner comprising metal powder |
| 01/07/2009 | CN101338161A Scale resin composite bind preparation for glass fibre reinforced plastic pipe coatings |
| 01/06/2009 | US7472927 Tubular member having an anti-galling coating |
| 01/06/2009 | CA2348600C Tubing for lining pipes and method for producing the same |
| 12/24/2008 | WO2008157333A1 Elastomeric element installation tool and method |
| 12/24/2008 | EP2006594A1 Latch element |
| 12/24/2008 | CN201170417Y Imbedded antisepticise steel pipe |
| 12/24/2008 | CN201170383Y Conveyer tube for performing abrasion-proof ceramic composite paster |
| 12/24/2008 | CN201168660Y Dosing atomizer |
| 12/24/2008 | CN101328992A Automobile pipeline and method for producing automobile pipeline |
| 12/24/2008 | CN101328382A Nano sulfate reducing bacteria corrosion preventive coating for gathering and transferring pipeline and manufacturing method thereof |
| 12/24/2008 | CN101328380A Pipeline repaired mouth anti-corrosive primer coating having high adhesive bonding ability with thermal contraction belt |
| 12/17/2008 | CN201166206Y Reinforced concrete resin composite pipes |
| 12/17/2008 | CN201166205Y Concrete mortar external lining prestress steel tube |
| 12/17/2008 | CN201166204Y Inner lining concrete prestress steel tube |
| 12/17/2008 | CN201166203Y Concrete mortar external lining prestress steel jacking tube |
| 12/17/2008 | CN201166202Y Inner lining concrete prestress steel jacking tube |
| 12/17/2008 | CN201166198Y Prestress steel jacking tube |
| 12/17/2008 | CN201166196Y Spheroidal graphite cast iron inner lining stainless steel composite tube |
| 12/17/2008 | CN101323758A Nanometer antiscale anticorrosive paint for conduit gathering pipeline and manufacturing method thereof |
| 12/10/2008 | EP1998903A1 Method for the anticorrosion coating and the thermally insulating coating of tubular bodies and conduits for the transport of fluid and apparatus for implementing such method |
| 12/10/2008 | CN201162911Y Improved corrugated compensator |
| 12/10/2008 | CN201162889Y Double-flat wall steel plastic drainpipe |
| 12/04/2008 | WO2008146048A1 Method of producing a solid polymer |
| 12/03/2008 | CN201159373Y Galvanized steel sheet or zinced steel sheet composite heat preserving wind pipe plate material |
| 12/03/2008 | CN201159369Y Polyurethane energy-saving heat preserving galvanized steel sheet or zinced steel sheet air duct plate material |
| 12/03/2008 | CN201159340Y Cold drawing accurate single layer welded pipe |
| 12/03/2008 | CN201156903Y Greenhouse frame material and processing equipment thereof |
| 12/03/2008 | CN101317015A Threaded connections with high and low friction coatings |
| 11/26/2008 | CN201155653Y Asphalt base polyurethane foam insulation pipeline |
| 11/26/2008 | CN201155652Y Non-corrodible steel nanometer plating tube for oil gas field |
| 11/26/2008 | CN100436908C Clad pipe |
| 11/19/2008 | CN201152405Y Rust prevention compound structure tube |
| 11/19/2008 | CN101307856A Steel pipeline corrosion proof reinforcing method |
| 11/18/2008 | CA2359047C Underground piping system |
| 11/12/2008 | CN201149150Y Composite steel tube of end inner wall build-up welding corrosion resisting alloy layer |
| 11/12/2008 | CN201149149Y Composite steel tube of inner lining corrosion resisting alloy layer extending outside |
| 11/12/2008 | CN201149148Y Glass fibre reinforced plastic composite pipeline of inner lining alloying layer |
| 11/12/2008 | CN201149136Y Oxyammonia rubber modified asphalt corrosion-proof pipe |
| 11/12/2008 | CN101305237A Process for adhering a liner to the surface of a pipe by induction heating |
| 11/11/2008 | CA2588543A1 Flexible pipe enclosure |
| 11/06/2008 | WO2008132680A2 Pipes and couplings |
| 11/06/2008 | WO2008132279A1 Method and apparatus for coating pipes |
| 11/06/2008 | DE102007020699A1 Protective cover for e.g. metal pipe, has fastener for fixed or loose flanges and for providing function of cover for pipe collar, where cover is locked in collar by support on inner side of cover corresponding to inner diameter of collar |
| 11/06/2008 | CA2685281A1 Systems for controlling, eliminating and/or managing various types of adverse effects |
| 11/06/2008 | CA2683811A1 Method and apparatus for coating pipes |
| 11/05/2008 | EP1987098A1 Propylene polymers for injection molding applications |
| 11/05/2008 | CN101300442A Tubular threaded element provided with a dry protective coating |
| 10/30/2008 | WO2008090411A3 Nanocomposite coatings for threaded connections |
| 10/29/2008 | EP1985909A1 Method and apparatus for coating pipes |
| 10/29/2008 | CN201141502Y Self-cleaning coating anti-corrosion pipe |
| 10/29/2008 | CN101294651A Steel pipe corrosion-proof water-cooling method |
| 10/29/2008 | CN101294645A Steel-based composite pipeline joint |
| 10/29/2008 | CN101294644A Steel-based compound anti-punching and anti-oil stealing pipe |
| 10/29/2008 | CN101293981A Inner lining tube material of plastic lined metal pipe and preparing method thereof |
| 10/29/2008 | CN100429451C Joint coating method for oil gas pipeline after repairing the corrosion detection |
| 10/29/2008 | CN100429446C Concrete-weighed submarine petroleum pipe and its manufacture |
| 10/28/2008 | US7442256 Apparatus and method for spraying maintenance enhancing material onto the periphery of a tubular member |
| 10/23/2008 | WO2008125740A1 Tubular threaded member with dry protection coating |
| 10/23/2008 | DE102007018519A1 Vorrichtung zur Herstellung einer Umhüllung auf einem rohrförmigen Bauteil mit einem spezifisch ausgebildeten Schalungselement An apparatus for producing a wrapping on a tubular component with a specifically designed shuttering element |
| 10/23/2008 | DE102007018518A1 Casing manufacturing device for tubular construction unit, has sheeting element designed from set of structures, and retaining unit arranged in region of each of longitudinal sides, with which connection to guiding units is manufacturable |
| 10/23/2008 | DE102007018442A1 Protective film applying method for steel pipe, involves blowing quantity of corrosion protection agent in pipe depending upon internal diameter and length of pipe, where corrosion protection agent is sputtered in chamber |
| 10/23/2008 | CA2683323A1 Tubular threaded member with dry protection coating |
| 10/22/2008 | EP1514051B1 Inhibitor dispensing pipeline pig |
| 10/22/2008 | CN201137793Y Steel pipe welding interface anti-corrosive protection joint |
| 10/22/2008 | CN201136826Y Permanent magnet flocculator |
| 10/22/2008 | CN101292110A Preformed liner adhered to a pipe with an adhesive |
| 10/22/2008 | CN101289574A Wear resistant elastic material of polyurethane modified by nano-steel slag |
| 10/15/2008 | CN201133551Y Non-corrodible steel heavy-duty tube for oil gas field |
| 10/15/2008 | CN201133550Y Fluorocarbon resin coatings anti-corrosive antiscaling and wax-preventing oil pipe |
| 10/15/2008 | CN201133518Y Dual metal composite pipe fitting with end processed with thread |
| 10/09/2008 | DE102007016768A1 Motor vehicle operating liquid e.g. oil, accommodating or transporting assembly for e.g. thermostat, is in connection with vehicle body, where assembly unit is made of plastic material, which produces continuous electrical conductivity |
| 10/09/2008 | CA2805740A1 Bladderless pipeliner and method for using same |
| 10/08/2008 | EP1356225A4 Method for inhibiting corrosion under insulation on the exterior of a structure |
| 10/08/2008 | CN201129600Y Submarine pipeline underwater flange seal protecting equipment |
| 10/02/2008 | WO2008116986A1 Protection device for a female end of a threaded tubular joint component with an unscrewing |
| 10/02/2008 | WO2008056979A3 Process for providing an extended tubular article with a corrosion protection coating system having self-reparing properties |
| 10/02/2008 | US20080241584 Abrasion of metal with silcon compound for wear resistance surfaces, welds; friction resistance; alloy contains carbon, boron,chromium,iron,niobium, nickel and manganese |
| 10/02/2008 | CA2675280A1 Protection device for a female end of a threaded tubular joint component with an unscrewing |
| 10/01/2008 | CN201126086Y Ultra-high molecular mass inner lining anti-corrosive abrasion-proof composite oil pipe |
| 10/01/2008 | CN201126085Y Plastic pipe material and oil pipe interference adhesive assembly structure |
| 10/01/2008 | CN201126068Y External anti-corrosive internal abrasion-proof composite oil manifold |
| 10/01/2008 | CN201126067Y PE inner lining interference assembly anti-corrosive abrasion-proof composite oil manifold |
| 09/25/2008 | WO2008115091A1 Method for restoring a pipeline and a pipeline |
| 09/24/2008 | CN201121795Y Steel pipe with coating |
| 09/24/2008 | CN101270845A Method for producing titanium polymer resin anti-dirty corrosion-resistant oil pipe for oil field |
| 09/24/2008 | CN101270841A Internal coating continuous pipe with cooling trough flange and its connection method |
| 09/24/2008 | CN101270269A Colorful adhesion agent for ground burying steel pipeline trilaminar corrosion protection and preparation method thereof |
| 09/24/2008 | CN101270255A TC oil well pipe paint |
| 09/24/2008 | CN101270211A Corrosion-protecting steel pipeline polypropylene jacket material with three-layer sandwich and preparing method |
| 09/18/2008 | WO2008071773A3 Pipe-joining method and apparatus for producing underwater pipelines, and underwater-pipeline-laying vessel comprising such an apparatus |
| 09/17/2008 | CN201116636Y Flange tower connection tube for sulfur-containing smoke transmission pipeline and drying tower |
| 09/17/2008 | CN101265996A Glass fibre reinforced plastic liner tube and its production facilities and production process |
| 09/17/2008 | CN100419035C Anticorrosive pipeline paint and its prepn |