| Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790) |
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| 02/03/2005 | US20050025922 Polyolefin coated steel pipes |
| 02/02/2005 | CN1187468C Anti-corrosion oil pipe or casing pipe for oil-extraction in oil-field or injecting liquid medium , and its anti-corrosion treatment method |
| 01/19/2005 | CN2672420Y Negative phase coating forming machine for steel pipe external anti-corrosion layer round mold |
| 01/12/2005 | CN2670727Y Electronic descaling and algae removing device |
| 01/12/2005 | CN1563471A Corrosion prevention technique of aluminum zinc rare earth alloying for oil pipe |
| 01/12/2005 | CN1563171A Method for preparing external antirot substance made from white polypropylene for steel tube buried under ground |
| 01/06/2005 | US20050000569 Microfluidic devices and methods |
| 01/05/2005 | CN1560502A Centrifugal spheroidal cast iron pipe with plastic lining |
| 12/29/2004 | CA2783171A1 System and arrangement for conduit reparation |
| 12/28/2004 | US6835428 Applying a substrate to the metal tubing, applying an epoxy coating of epoxy paint and plastic particles as filler onto an outer surface of the substrate, curing the coating on such metal tubing; wear and corrosion resistance |
| 12/28/2004 | CA2187020C Corrosion protection system |
| 12/23/2004 | WO2004094890A3 Method of coating the inner wall of a pipe with a latex film |
| 12/23/2004 | US20040258374 Cable with crevice corrosion protection |
| 12/23/2004 | DE10325505A1 Steel bellows for reinforced concrete propulsion pipes, has coatings applied on carrying side of steel flange, and on circulation protection device and stay bolts with quartz sand spray |
| 12/22/2004 | CN2665499Y Steel pipe insulation flange connector antiseptic thermal shrinkage sleeve |
| 12/22/2004 | CN2665489Y Self-cleaning PVC pipes |
| 12/22/2004 | CN1556345A Penetration proof composite pipe and its production technology |
| 12/21/2004 | US6832724 Electro-optical assembly for image projection, especially in portable instruments |
| 12/15/2004 | CN2663777Y Hot melt reinforced antiseptic steel-plastic adapter |
| 12/07/2004 | CA2168756C A method and apparatus of producing a tubular lining hose |
| 12/02/2004 | US20040237890 Polyphenylene sulfide protected geothermal steam transportation pipe |
| 12/01/2004 | EP1481183A1 Pipe system and method for its manufacture |
| 12/01/2004 | EP1257763B1 Cathodic protective device for flexible pipes |
| 11/30/2004 | CA2349713C Method of sealing a joint between two pipes |
| 11/24/2004 | CN2658537Y Combined head of three-layer corrosion-proof pipeline production line |
| 11/24/2004 | CN2658536Y Pure copper pipe |
| 11/17/2004 | EP1322887B1 Protective sheath |
| 11/17/2004 | CN2656780Y Byerlyte composite external corrosion proof layer pipe line |
| 11/17/2004 | CN2656773Y Steel-plastic composite pipe |
| 11/17/2004 | CN2656772Y Steel pipe with strong acid-resisting and anticorrosive inside coating |
| 11/11/2004 | US20040224857 particles of CaF2, etc. become plastic and allow connection of a joint while achieving the desired coefficient of friction |
| 11/10/2004 | CN2654562Y Multiturning elbow for delivering fast speed liquid |
| 11/04/2004 | WO2004094994A2 Microfluidic devices and methods |
| 11/04/2004 | WO2004094890A2 Method of coating the inner wall of a pipe with a latex film |
| 11/04/2004 | WO2004094678A2 Hardfacing alloy, methods, and products |
| 11/04/2004 | CA2523094A1 Microfluidic devices and methods |
| 11/03/2004 | CN1543494A Method to remove iron sulfide deposits from pipe lines |
| 11/03/2004 | CN1542318A Non-heated contraction belt adapting device |
| 10/27/2004 | CN1172999C Pipe coatings |
| 10/21/2004 | US20040206726 Hardfacing alloy, methods, and products |
| 10/21/2004 | US20040206399 Microfluidic devices and methods |
| 10/20/2004 | CN2649921Y Annular non-heating collapsible band |
| 10/20/2004 | CN2649905Y Ocean platform oil production pipeline |
| 10/14/2004 | US20040200019 Inhibitor dispensing pipeline pig |
| 10/13/2004 | EP1377772A4 Replaceable corrosion seal for threaded connections |
| 10/13/2004 | EP1144895B1 Method for redeveloping or renovating sewer drains and sewer ducts |
| 10/13/2004 | CN2648240Y Stainless steel liner composite pipe joint |
| 10/13/2004 | CN2648239Y Modified double-layer epoxy powder anticorrosive pipe |
| 10/13/2004 | CN2648238Y Solid antiscaling apparatus |
| 09/30/2004 | WO2004083711A2 Method and composition for controlling galling |
| 09/30/2004 | WO2004082824A1 Method of protecting equipment against corrosion at high temperature |
| 09/30/2004 | US20040189000 System for joining sections of composite reinforced line pipe |
| 09/29/2004 | EP1461599A2 Device and method for the identification of analytes in bodily fluids |
| 09/29/2004 | CN2644853Y Asphalt base glue thermal shrinkable sleeve |
| 09/22/2004 | EP1458908A1 A tubular member having an anti-galling coating |
| 09/22/2004 | CN2643135Y Ti nanometer polymer antiseptic and antiscaling pipe |
| 09/22/2004 | CN2643119Y Improvement of PVC pipe structure |
| 09/16/2004 | DE202004007145U1 Unit installable into liquid or gas pipe lines, with at least one element with parts sensitive to impacts, is provided with protective cover elements consisting at least in parts of an elastically deformable material |
| 09/15/2004 | CN2641428Y Plastic coated steel pipe and joint used for fire extinguishing |
| 09/15/2004 | CN1529732A Polyolefin coated steel pipes |
| 09/15/2004 | CN1529080A Manufacture of flyash-glass tube and steel-pipe composited pipe |
| 09/01/2004 | CN2637877Y Aeration rubber type jam for cast tube coated liner plug socket |
| 09/01/2004 | CN2637863Y 复合式管接头 Composite pipe fittings |
| 09/01/2004 | CN1164886C Oil gas pipeline leak intelligent on line monitoring method based on distribution type optical fibre sensor |
| 08/31/2004 | CA2200873C Discharge pipe for discharging hot substances |
| 08/25/2004 | CN1163684C Assembly comprising pipe and inner pipe as lining pipe and method of manufacture |
| 08/24/2004 | CA2193523C Threaded metal tube joints with an inner coating |
| 08/19/2004 | WO2004070249A2 System for joining sections of composite reinforced line pipe |
| 08/19/2004 | DE202004006472U1 Antimicrobial surface in contact with water and food during transport and storage includes silver |
| 08/19/2004 | DE10304928A1 Treatment of copper water pipes, to prevent copper deposits entering the water, uses an oxidizing solution containing hydrogen carbonate to form a barrier layer on the pipe surface |
| 08/18/2004 | CN2634252Y Plastic-steel composite anti-scale pipeline |
| 08/18/2004 | CN2634251Y Pipeline packaging protective rolling sheet |
| 08/12/2004 | WO2004067897A2 Method and apparatus for filling joints in weighted pipelines and resulting joint structure |
| 08/12/2004 | WO2004067803A1 Steel pipe with multilayer protective coating |
| 08/12/2004 | DE19540052B4 Korrosionsbeständiges Bauteil aus Metall Corrosion-resistant metal component |
| 08/11/2004 | EP1082210B1 Laminate |
| 08/10/2004 | US6773774 Micro-perforated polyethylene encasement |
| 08/04/2004 | CN2630618Y Lotus type auxiliary machine in high-frequency electromagnetic field anti-scale and scaling device |
| 07/29/2004 | WO2003093714A3 Coupling assembly and method |
| 07/29/2004 | US20040145179 System for joining sections of composite reinforced line pipe |
| 07/29/2004 | US20040145178 Method and apparatus for filling joints in weighted pipelines and resulting joint structure |
| 07/21/2004 | CN2627320Y Glass fiber reinforcement steel-plastic high pressure multiple tube |
| 07/21/2004 | CN1514040A Steel pipe inner wall local lining ceramic |
| 07/20/2004 | US6764365 Buoyancy control systems for tubes |
| 07/14/2004 | CN2625692Y Glass fibre reinforced plastic foam jacket composite antiseptic heat preservation pipe |
| 07/14/2004 | CN2625355Y Concrete balancing-weight tube |
| 06/30/2004 | EP0705305B1 Improved structural strength coating and material |
| 06/30/2004 | CN2622534Y Corrosion-resisting, high/low temp resisting pipe for conveying medium |
| 06/30/2004 | CN1509387A threaded joint for steel pipe |
| 06/30/2004 | CN1508465A Alloy composite pipe |
| 06/29/2004 | US6755916 Using pig plunger moved by flow of pressurized gas |
| 06/22/2004 | US6752873 Apparatus for producing coating layer onto primary lining |
| 06/22/2004 | CA2172715C Piping sanitising process |
| 06/17/2004 | US20040113423 Threaded pipe with surface treatment |
| 06/10/2004 | WO2004048712A1 Device for waterproofing a butt joint |
| 06/08/2004 | US6746057 Threaded joint for steel pipes having improved galling resistance and rust-preventing properties |
| 06/08/2004 | CA2176762C Metal pipe with integrally formed liner and method of fabricating the same |
| 06/08/2004 | CA2054231C Pipeline monitoring and leak containment system |
| 06/02/2004 | EP1423554A1 Tube, method of coating and use of same |
| 06/02/2004 | EP1423491A1 Method and composition to decrease iron sulfide deposits in pipe lines |