Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790)
09/2003
09/03/2003CN2570570Y Corrosion-resistant steel-plastics combined pipe
09/03/2003CN2570569Y Multiple tube with internal anticorrosive coating lining
09/03/2003CN1439838A Anti-pitting abrasion-resistant oil pipe and manufacture thereof
08/2003
08/28/2003US20030162308 Orthogonal read assembly
08/28/2003US20030162204 Alcohol detection assembly
08/28/2003US20030160446 Threaded joint for steel pipes
08/27/2003CN1439085A Method for inhibiting external corrosion on insulated pipeline
08/27/2003CN1438354A Anti-corrosion oil pipe or casing pipe for oil-extraction in oil-field or injecting liquid medium and its anti-corrosion treatment method
08/21/2003US20030158499 Automated plunger-based sample/buffer mixing assembly
08/21/2003US20030157723 Self-customizing analyte testing system for detection of drugs, ethanol and toxic substances in saliva; immunoassays
08/21/2003US20030157564 Plunger-based flow immunoassay assembly
08/21/2003US20030157480 Optical detector; fluorescent labeled antigen; quantitative analysis
08/21/2003US20030156904 Method and apparatus for the maintenance of pipelines
08/21/2003US20030155012 Rotary valve with compliant lining
08/20/2003EP1047810B1 Corrosion protected treatment device
08/20/2003CN2567431Y Oil pipe with epoxy phenole varnish anti-corrosion layer
08/20/2003CN1118656C Screw joint for oil well pipe
08/14/2003US20030153844 Integral sample collection tip
08/13/2003EP1169400B1 Pipe coatings
08/13/2003CN1435507A Corrosion-resistant wear-resistant decoration coating
08/07/2003US20030148054 Resin coating pipe and manufacturing method thereof, and fuel tank with resin coating pipe
08/07/2003DE10221570C1 Compound sleeve for cladding pipeline has metal tube acting as inner blocking layer enclosed by outer plastics mantle
07/2003
07/31/2003WO2003061453A2 Device and method for the identification of analytes in bodily fluids
07/31/2003US20030140991 Applying cyclic and static and load to steel
07/31/2003US20030140977 Cathodic protection device for flexible pipes
07/31/2003CA2468850A1 Device and method for the identification of analytes in bodily fluids
07/31/2003CA2417739A1 Control of stress corrosion cracking growth by operational pressure control
07/30/2003EP1331288A2 Corrosion and abrasion resistant decorative coating
07/24/2003WO2003060198A1 A tubular member having an anti-galling coating
07/24/2003US20030139106 Corrosion and abrasion resistant decorative coating
07/23/2003CN2562031Y Metal pipeline three-way opening lining devices
07/23/2003CN2562030Y Metal pipeline lining devices
07/23/2003CA2416975A1 Corrosion and abrasion resistant decorative coating
07/22/2003US6595560 Sleeve joint
07/16/2003CN1430006A Nanometer toughened and reinforced plastic pipe material and pipe fitting and its production method
07/10/2003US20030127848 Pipe flange assembly
07/09/2003CN1428460A Production process for ceramic composite steel pipe
07/09/2003CN1428459A Method for making steel pipe with ceramic lining
07/08/2003US6589617 Metal tubing coated with multiple layers of polymeric materials
07/02/2003EP1322887A1 Protective sheath
07/02/2003EP1322882A2 Lining ducts
06/2003
06/26/2003US20030116214 Secondary containment system for pipelines
06/25/2003CN2557784Y High-strength corrosion-resistant, wearing-resistant pipe line
06/25/2003CN1425865A Specific ceramic lining composite pipe, pipe fitting and their producing method
06/24/2003US6583091 Providing a corrosion prone metal surface with an effective amount of 4-sulfophthalic acid for inhibiting the corrosivity of an organic acid- containing petroleum stream
06/11/2003CN1111262C Compound steel pipe and pipe elements with liner of glass scales and engineering plastic and making method thereof
06/11/2003CN1111211C Process for preparing anticorrosion and antiwear composite steel pipe with liner of pyroceram
05/2003
05/28/2003DE20304736U1 Shrinkage collar for a steel pipe, comprises a carrier film and a plastic coating on its inside, a closure flap, and a hot melt adhesive coating
05/22/2003US20030094810 Threaded joint for steel pipes having improved galling resistance and rust-preventing properties
05/21/2003CN2551846Y Liquid delivering pipe containing hydrophobic anti-drag internal coating
05/15/2003DE20303602U1 Removal aid for protective plastic casing covering pipe to be installed underground, comprises intervening strip with reduced adhesion
05/14/2003EP1310718A1 Method of producing corrosion protected joint sections of pipe conduits
05/14/2003CN2550615Y Steel-plastic composite pipe with protective device at end
05/13/2003US6562426 Pipe liner bag
05/13/2003US6561229 Electrostatic charge neutralizing fume duct with continuous carbon fiber
05/08/2003DE20219806U1 Pipeline for abrasive material has abrasion resistant inner lining made of ceramic or hard metal
05/07/2003CN2549297Y Connector of aluminium connecting pipe
05/06/2003US6559104 Method for inhibiting corrosion using certain aromatic acidic species
04/2003
04/30/2003CN2547993Y Corrugated expansion joint with inner and oute anti-corrosion layers
04/30/2003CN1414283A Oil gas pipeline leak intelligent on line monitoring method based on distribution type optical fibre sensor
04/23/2003EP1104528B1 Pipe connection
04/23/2003EP0943067B1 Product for coating the internal surface of a conduit, method using the product and conduit coated with product
04/23/2003CN2546460Y Equipment for producing deformed ceramic lining steel pipes
04/16/2003EP0698191B1 Plumbing fixture carrying drinking water comprised of a copper alloy
04/16/2003CN2545461Y Pipe with rust-proof cover
04/10/2003US20030066641 Threaded joint for an oil well pipe
04/08/2003US6543811 Pipe flange assembly
04/03/2003US20030062316 Method and composition to decrease iron sulfide deposits in pipe lines
04/02/2003EP1298380A2 Coating structure of a metal pipe and method of coating a metal pipe
04/01/2003US6539981 Tube contains a lining of ethylene-tetrafluoroethylene copolymer (ETFE) attached to a thin layer of another bonding metal for corrosion resistance to corrosive liquids in tube even at high temperatures; allows use of cheaper materials
03/2003
03/27/2003US20030057401 Inhibitor compositions
03/26/2003CN2541703Y Copper type plated with strengened metal layer
03/26/2003CN1404945A Method for preparing three-component composite steel pipe
03/25/2003US6536806 High pressure fuel injection pipe
03/25/2003CA2112236C Corrosion protection system
03/20/2003WO2002087869A3 Improved composite tubing
03/18/2003US6533326 Multi-branch fitting and method of fabricating
03/13/2003WO2003020494A1 Process and apparatus for continuously applying an external coating to a pipe
03/13/2003US20030049402 Mixture of polyphenylene ether, polystyrene, polyolefin and compatibility resin
03/13/2003DE20300436U1 Protective sheathing, for electrical wires and pipes in vehicles, comprises corrugated pipe with textile layer and external metal layer
03/13/2003CA2471869A1 Process and apparatus for continuously applying an external coating to a pipe
03/12/2003CN1401933A Wear-resistant corrosion-proof coating composite oil pumping pipe and coating method thereof
03/05/2003EP1287231A1 Apparatus for and method of lining passageways
03/04/2003US6528125 Aerating zinc epoxy powder and polyvinylidene fluoride or nylon powder in fluidizing chambers; electrostatic charging; conveying, heating, curing; cooling, pulling while maintaining tension
03/04/2003US6527015 Insulated pipe
02/2003
02/27/2003WO2003016432A1 Method and composition to decrease iron sulfide deposits in pipe lines
02/26/2003EP1286100A1 Pipe section having an internal layer made of fluoro-resin, in particular polytetrafluoroethylene
02/20/2003CA2759765A1 Control of development of biofilms in industrial process water
02/19/2003CN2536879Y Zinc-aluminum and coating corrosionproof oil pipe
02/19/2003CN2536877Y Zinc-aluminum alloy corrosionproof pipe
02/19/2003CN2536876Y High-temperature resistance thermal heating pipeline
02/19/2003CN2536875Y Polyurethane corrosionproof thermal insulating pipeline
02/19/2003CN1397754A Metallic pipe with nano-structure metal wire screen-ceramic liner and its making technology
02/13/2003WO2003012168A1 Tube, method of coating and use of same
02/12/2003CN1396403A Technology for making nodular cast iron tube with internal ceramic layer
01/2003
01/30/2003WO2002088592A9 Multi-layer coating tube and production method therefor
01/29/2003EP1278982A1 Pipe coupling
01/23/2003WO2003006583A1 Method for inhibiting corrosion using certain aromatic acidic species
01/23/2003WO2003006582A1 Method for inhibiting corrosion using 4-sulfophthalic acid
01/16/2003US20030013621 Method for inhibiting corrosion using certain aromatic acidic species
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