| Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790) |
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| 09/20/2006 | CN2818983Y Plastic steel pipe with double-component epoxy zinc-enriched ground coat |
| 09/20/2006 | CN2818978Y Petroleum pipeline with flexible polyurea external protective layer |
| 09/20/2006 | CN1834523A Internal mending orifice joint of polytetrafluoroethylene welded pipeline |
| 09/20/2006 | CN1276204C Method of manufacturing centrifugal spheroidal cast iron pipe with plastic lining |
| 09/14/2006 | WO2006096659A2 Method and system for coating sections of internal surfaces |
| 09/14/2006 | DE102005027162A1 Steel pipe for transporting natural gas has outer layer of insulation made from thermoplastic polymer, especially polyethylene or polypropylene, pipe being thin-walled |
| 09/14/2006 | DE102005011810A1 Wärmebehandlung an Rohren und Rohrstößen von isolierten Erdgasleitungen Heat treatment of pipes and pipe joints of isolated gas pipelines |
| 09/06/2006 | EP0791153B2 Polyamide- and polyolefin-based ducts for transporting |
| 09/06/2006 | CN1273563C Nanometer material modified double-peak high-density polytene pipeline anticorrosive materials |
| 08/31/2006 | WO2006090016A1 Method for manufacturing coated pipes |
| 08/31/2006 | CA2599159A1 Method for manufacturing coated pipes |
| 08/30/2006 | EP1694999A1 Coated pipes for conveying oil |
| 08/30/2006 | CN2811728Y Anti-corrosion thermal-insulation composite structure for submerged pipeline in-situ interface |
| 08/23/2006 | CN2809392Y Anti-corrosion multi-element composite pipe |
| 08/23/2006 | CN1821649A Producing equipment and method for inorganic material composite coating steel pipeline |
| 08/23/2006 | CN1271235C Corrosion prevention technique of aluminum zinc rare earth alloying for oil pipe |
| 08/22/2006 | US7093860 System for joining sections of composite reinforced line pipe |
| 08/22/2006 | CA2233027C Pipe with electrode and insulating layers |
| 08/16/2006 | EP1690673A2 Use of a tube comprising a fluoropolymer grafted by irradiation for the fuel transport in a gas station |
| 08/16/2006 | CN2806933Y Steel pipe with polymerized nano glass internal lining |
| 08/16/2006 | CN1818232A External corrosive-proof coating steel pipe with melt epoxy powder and coatign process thereof |
| 08/09/2006 | CN2804559Y Internally rusting-proof pipe port protecting structure |
| 08/09/2006 | CN2804537Y Externall galvanized pipe |
| 08/02/2006 | EP1685347A1 Piping elbow liners |
| 08/02/2006 | EP1685345A1 Method of corrosion protection at a welded pipe joint and resulting joint |
| 08/02/2006 | CN2802228Y Special aluminum-plated steel pipe |
| 08/02/2006 | CN1811257A Cold winding and hot smelting process to form three anti-corrosive PE layers for steel pipe and elbow |
| 08/02/2006 | CN1811234A Long-acting preserving and sealing protection method |
| 07/27/2006 | US20060163075 Method and apparatus for downhole pipe or casing repair |
| 07/20/2006 | WO2006075958A1 A method and a sleeve for joining two components . |
| 07/20/2006 | CA2594879A1 A method and a sleeve for joining two components |
| 07/19/2006 | CN1804451A High-rigidity anti-corrosion coating for pipe and application method thereof |
| 07/18/2006 | US7077164 Pipe |
| 07/13/2006 | US20060151913 Apparatus for and method of lining conduits |
| 07/12/2006 | EP1677596A1 Tube |
| 07/12/2006 | CN1263978C Method for reducing corrosion of connecting pipeline in primary return for CANDU nuclear power plant |
| 07/11/2006 | US7074305 Pipeline support |
| 07/05/2006 | EP1676073A1 Liner wear detection |
| 07/05/2006 | CN1796101A New type anti corrosive, moisture proof coiled material for pipeline network |
| 07/05/2006 | CN1262785C Composite outer anti corrosive coating in use for heavy repair of pipeline |
| 06/28/2006 | EP1674783A1 Protector for a sprinkler pipe |
| 06/28/2006 | EP1674782A1 Lining for conveyor elements, conveyor element with such a lining as well as method and device for lining conveyor elements |
| 06/28/2006 | CN2791437Y Supersonic antiscale viscosity-reducing device |
| 06/21/2006 | CN1789777A Three-layer cold-tape hot-winding corrosion preventing technology for steel pipe |
| 06/14/2006 | EP1669653A1 Guard belt against projections |
| 06/14/2006 | CN2787981Y Ceramic paster |
| 06/13/2006 | US7059355 Pipe for water pipe and the like |
| 06/08/2006 | DE102004057353A1 Production of a sleeve on a tubular component e.g. steel pipe comprises arranging guiding units on the outer periphery of the component and a shell element between the units and component to form a gap to be filled with a sleeve material |
| 06/07/2006 | CN1782479A Clad pipe |
| 06/01/2006 | WO2006058271A2 Coated tools for use in oil well pipes |
| 06/01/2006 | WO2006058270A1 Coated pipes for harsh environments |
| 06/01/2006 | CA2582970A1 Coated tools for use in oil well pipes |
| 05/31/2006 | CN2784710Y Fused anticorrosion hot shrinkage sleeve for pipeline patching |
| 05/26/2006 | WO2005031204A3 Protective coating compositions and techniques for fluid piping systems |
| 05/25/2006 | US20060111022 Apparatus and method for spraying maintenance enhancing material onto the periphery of a tubular member |
| 05/24/2006 | CN2783088Y Steel base composite pipe for preventing drilling to take oil |
| 05/17/2006 | CN2781154Y Strong magnetic anti-scale apparatus |
| 05/11/2006 | US20060099359 Internally coated hollow body, coating method and device |
| 05/09/2006 | US7040294 Fuel piping |
| 05/09/2006 | CA2323715C Threaded assembly of metal tubes designed to contain a corrosive fluid |
| 05/03/2006 | EP1652664A1 Multilayer tube assembly and methods for forming and using the same |
| 04/26/2006 | EP1650281A1 Adhesive composition, process for producing the same, molded objects, and process for producing heat-shrinkable tube |
| 04/26/2006 | CN2775441Y Novel steel-plastic composite screw corrugated pipe |
| 04/20/2006 | US20060084331 Buoyancy control systems for tubes |
| 04/19/2006 | CN1761519A Method of protecting equipment against corrosion at high temperature |
| 04/19/2006 | CN1252407C Threaded joint for steel pipe |
| 04/18/2006 | US7029356 Buoyancy control systems for tubes |
| 04/12/2006 | CN1250896C Multi-frequency ultrasonic treatment device |
| 04/11/2006 | US7026057 A thin transition layer made of metal or alloy that varies from a first composition to a second composition and in which first composition function as corrosion resistance and second composition determine visible color |
| 04/11/2006 | CA2191935C Antifouling wall structure, method of constructing antifouling wall and antifouling wall panel transporter therefor |
| 04/05/2006 | EP1056968B1 Threaded connection for internally clad pipe |
| 04/05/2006 | CN1756656A Multilayer coated corrosion resistant articles and method of production thereof |
| 04/05/2006 | CN1754925A Prefilming agent for oil pipe line |
| 04/05/2006 | CN1754923A Prefimling agent for oil pipe line |
| 04/04/2006 | US7021343 Fuel filler pipe for automobile |
| 04/04/2006 | CA2355748C Tapered corrosion protection of tubes at mud drum location |
| 03/29/2006 | CN1751814A Apparatus for cleaning and corrosion-resistance of pipeline |
| 03/29/2006 | CN1247684C Method for preparing external anticorrosion substance made from white polypropylene for steel tube buried under ground |
| 03/23/2006 | WO2006030085A1 Flexible pipeline with multiple pipes protected against corrosion |
| 03/22/2006 | EP1637787A2 Corrugated tube with outer protection layer |
| 03/22/2006 | CN2766135Y Anti-corrosive pipe wrapped by asphalt based polyethylene adhesive tape |
| 03/15/2006 | CN2765031Y Multi-purpose seam-less lining tube of glass fiber reinforced plastic |
| 03/14/2006 | CA2233599C Process for repairing plastic coatings of metal pipes |
| 03/08/2006 | CN2762528Y Anti-corrosion plastic/steel combounded tube used as greenhouse skeleton |
| 03/07/2006 | US7007710 Of interface with a mass spectrometer that employs electrospray ionization; recessed outlet; a microchannel with hydrophilic and/or hydrophobic surfaces; |
| 03/07/2006 | CA2480784A1 Pre-assembled hot water heater mixing valve for hot water heaters |
| 03/01/2006 | EP1630466A1 Cover for marine hose junction and marine hose line |
| 03/01/2006 | EP1630465A1 Concertina reinforcement of concrete coatings for pipes |
| 03/01/2006 | CN1740251A Drag reducing antiwear paint for gas-rich pipeline inside and its production process |
| 02/28/2006 | CA2145107C Polypropylene composition with a high content of heavy mineral filler(s), suitable for coating metal pipes |
| 02/27/2006 | CA2516746A1 A refrigeration system and a method for reducing the charge of refrigerant therein |
| 02/23/2006 | WO2006019531A2 Replaceable sleeve insert for a choke assembly |
| 02/23/2006 | CA2573904A1 Replaceable sleeve insert for a choke assembly |
| 02/16/2006 | WO2005080644A3 Method of using intrinsically conductive polymers with inherent lubricating properties, and a composition having an intrinsically conductive polymer, for protecting metal surfaces from galling and corrosion |
| 02/15/2006 | CN1733854A Petroleum pipe protective coating and its preparation method and uses |
| 02/09/2006 | WO2005100843A3 Lined vessels for conveying chemicals |
| 02/09/2006 | DE19615935B4 Verfahren und Vorrichtung zum Transportieren von nassem Sauergas Method and apparatus for transporting wet sour gas |
| 02/09/2006 | CA2576175A1 Corrosion resisting pipelines |
| 02/07/2006 | US6994117 Piping elbow liners |
| 02/02/2006 | DE102005030847A1 Device for eliminating or reducing of biofilm build-up in hoses or pipes through which flows water has reciprocating piston which completely or partially contacts wall of hose or pipe and executes mechanical movement to remove biofilm |