| Patents for F16L 58 - Protection of pipes or pipe fittings against corrosion or incrustation (5,790) |
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| 07/02/2009 | CA2708687A1 Styrenic insulation for pipe |
| 07/01/2009 | CN101469802A Anti-corrosive composite pipe |
| 06/17/2009 | EP2069672A1 Coupling assembly and protective ring therefor |
| 06/17/2009 | CN201259070Y Rust prevention structure for distilled water conveying pipe |
| 06/17/2009 | CN100500433C Use of a radiation-grafted fluoropolymer-based pipe for the transportation of gasoline in service stations |
| 06/10/2009 | CN100498038C Steel-plastic composite pipe side-hole sealing machine |
| 06/09/2009 | US7543733 Method of protecting against corrosion at high temperature |
| 06/09/2009 | CA2481689C Apparatus and method for electrochemical detection and control of inorganic scale |
| 06/04/2009 | WO2009070052A2 Method for preparing pipes for reuse (variants) |
| 06/04/2009 | WO2009068259A1 Provision of a hard but flexible coating on the inner surface of a drinking water pipeline with a small interior diameter |
| 06/03/2009 | EP2065631A1 Internally coating a pipe or a pipe system |
| 05/27/2009 | CN201246577Y Self-cleaning, anti-dirty, non-contamination, ultra-silent universal pipeline |
| 05/27/2009 | CN201246556Y Large diameter pipe joint |
| 05/27/2009 | CN201246540Y Anti-corrosive oil pipe joint |
| 05/27/2009 | CA2613425A1 Method and apparatus for removing polymer coatings from pipe |
| 05/22/2009 | WO2009062593A1 Provision of water-carrying components made from brass alloys which release reduced quantities of metal ions |
| 05/21/2009 | US20090129853 Part for Connecting Pipes Including an Internal Liner, a Covering Method, and a Method of Assembly |
| 05/20/2009 | CN201242322Y Assistant connecting pipe for indoor set of air conditioner |
| 05/20/2009 | CN201241999Y Metal ceramic steam direct-buried tube |
| 05/20/2009 | CN101435524A Submarine pipeline underwater flange seal protecting device |
| 05/20/2009 | CN101434814A Heat insulationasphalt r anticorrosion paint for pipeline outer wall |
| 05/20/2009 | CN101434811A Heat insulation polyamine ester anticorrosion paint for pipeline outer wall |
| 05/20/2009 | CN100489367C Structure of corrosion resistant tube wall |
| 05/19/2009 | US7534321 System for joining sections of composite reinforced line pipe |
| 05/13/2009 | CN201237060Y Corrosion-resistant gas pipeline |
| 05/13/2009 | CN201237054Y Composite corrosion-resistant corrugated compensator |
| 05/13/2009 | CN101430029A Composite steel pipe with plastic tape winded externally and plastic coated internally, and its processing method |
| 05/12/2009 | CA2638639A1 Locking cover |
| 05/07/2009 | WO2009058595A1 Corrosion resistant sheet metal jacketing |
| 05/07/2009 | DE102007051956A1 Verfahren und Vorrichtung zur Überprüfung der Umhüllung einer Rohrleitung während der Verlegung in ein mit Flüssigkeit gefülltes Bohrloch Method and apparatus for checking the serving of a pipeline while laying in a fluid-filled borehole |
| 05/06/2009 | CN201233138Y Metal pipe for connecting components in refrigeration facility of air conditioner |
| 05/02/2009 | CA2609403A1 A system, method and device for applying a protective wrap to a pipe portion |
| 04/30/2009 | WO2009053661A1 Collar for a tubular coupling |
| 04/30/2009 | WO2009052804A1 Connection system for double-walled pipes |
| 04/30/2009 | CA2703031A1 Connection system for double-walled pipes |
| 04/29/2009 | EP2052010A1 Use of a shaped part made of a polyamide shaped component as an inliner for a conduit |
| 04/29/2009 | CN101418181A High chemical resistant pipe epoxy anti-corrosive paint |
| 04/23/2009 | WO2009051492A1 Flow meter for multiphase fluids |
| 04/23/2009 | WO2009027429A3 Clad pipeline |
| 04/23/2009 | CA2823176A1 Device and method for repairing pipe |
| 04/22/2009 | CN201225492Y Mining steel tube with fatty group polyurea coating |
| 04/22/2009 | CN201225460Y Ceramic lining abrasion-proof pipe |
| 04/22/2009 | CN201225457Y Anti-corrosive apparatus of building through-wall pipe |
| 04/22/2009 | CN101413618A Use of a polyamide molding compound for lining conduits |
| 04/22/2009 | CN101413617A Ethylene-tetrafluoroethylene copolymer film connection pipe |
| 04/22/2009 | CN101413616A Antibiotic drain bending tube inner lining |
| 04/22/2009 | CN101413607A Single-surface glue water tape and making method thereof |
| 04/22/2009 | CN101413127A Method for preventing elution of lead and/or nickel from copper alloy piping material such as valve or pipe joint and copper alloy piping material |
| 04/22/2009 | CN101412941A Surface coating for cold extrusion forming of titanium alloy fittings |
| 04/22/2009 | CN101412833A Formula of anticorrosion liner tube for oilfield |
| 04/16/2009 | WO2009048866A2 High friction interface for improved flow and method |
| 04/16/2009 | US20090098296 Method for manufacturing coated pipes |
| 04/15/2009 | EP1899638B1 Duct connecting piece comprising an internal liner, coating method, and assembly method |
| 04/15/2009 | CN201220593Y Oil filling pipe of fuel tank of automobile |
| 04/15/2009 | CN101407614A Formula of sand-preventing antifriction liner tube |
| 04/14/2009 | CA2537564C Improved corrosion resistant gas service riser assembly |
| 04/14/2009 | CA2434090C Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same |
| 04/09/2009 | WO2009044020A2 Method for the anti-corrosion treatment of an industrial unit |
| 04/09/2009 | DE112007000204T5 Beschichtungsverfahren für Rohre mit Schweissnaht Coating process for pipes with welding seam |
| 04/08/2009 | CN201218386Y Anti-corrosion pipe nipple apparatus of pipe inner lining |
| 04/08/2009 | CN201218367Y Abrasion-proof ceramic hose |
| 04/08/2009 | CN201218364Y Drinking water conveying pipe with epoxy-polyurethane coating |
| 04/08/2009 | CN201218362Y Oil field gathering and transportation pipeline with nano anti-scaling and anti-corrosion coating |
| 04/08/2009 | CN101403459A Clad pipeline |
| 04/08/2009 | CN100476284C Nylon coating flange manufacturing method |
| 04/08/2009 | CN100475332C Method of protecting equipment against corrosion at high temperature |
| 04/02/2009 | WO2009042427A1 Pipe interior coatings |
| 04/02/2009 | WO2009000675A3 Method for coating the inner walls of pipes, and device suitable therefor |
| 04/01/2009 | CN201215226Y Air heat energy pump pipeline maintenance structure |
| 03/26/2009 | WO2009036545A1 Apparatus for applying metallic cladding to interior surfaces of pipe elbows |
| 03/26/2009 | US20090078328 Pipe Interior Coatings |
| 03/18/2009 | CN201209745Y Sandwich type glass fibre reinforced plastic anti-corrosive insulating pipe |
| 03/18/2009 | CN101389704A Propylene polymers for injection molding applications |
| 03/11/2009 | CN101384377A Coating method for pipe having weld bead |
| 03/11/2009 | CN101382211A Method for producing steel-plastic composite high-temperature high-pressure anti-corrosive pipe |
| 03/05/2009 | WO2009027686A1 Improvements in coating pipes |
| 03/05/2009 | WO2009027429A2 Clad pipeline |
| 03/05/2009 | CA2846834A1 Device and method for repairing pipe |
| 03/05/2009 | CA2695141A1 Encased pipeline |
| 03/04/2009 | CN201202897Y Limit resistant and vacuum degree pipeline for pump |
| 03/04/2009 | CN201201661Y Multipurpose freight carrying apparatus and surface structure organization |
| 03/04/2009 | CN100465495C A manufacturing method for processing bionic inner-surface self-cleaning pipes |
| 02/26/2009 | WO2009026577A1 Protective sleeve with knitted opening and method of construction |
| 02/19/2009 | WO2008122879A3 Pipe -joining method and system for producing underwater pipelines, and underwater-pipeline-laying vessel comprising such a system |
| 02/18/2009 | EP2024713A1 In-line measuring device having a measuring tube which is lined with polyurethane on the inside, and method for producing it |
| 02/18/2009 | CN201196321Y Copper aluminum connecting pipe structure with anti-corrosion sealing ring |
| 02/12/2009 | WO2009020904A1 Coated pipe and method using strain-hardening brittle matrix composites |
| 02/12/2009 | CA2695521A1 Coated pipe and method using strain-hardening brittle matrix composites |
| 02/11/2009 | EP0786616B2 Steel pipe joint having high galling resistance and surface treatment method thereof |
| 02/11/2009 | CN201193758Y Electrochemical alloy nano coated anti-corrosive insulating pipe |
| 02/09/2009 | CA2634991A1 Cost effective repair of piping to increase load carrying capability |
| 02/04/2009 | CN201190844Y Steel lining and ultra-high molecular mass polyethylene composite pipe for conveying desulphurization slurry |
| 01/29/2009 | WO2008132680A3 Pipes and couplings |
| 01/29/2009 | DE102007038257A1 Molding for steel natural gas-pipeline, is fabricated as branch or curve and/or as matching piece or adapter |
| 01/28/2009 | CN201186952Y PCCP cathodic protection conduction and steel wire anchoring integrated apparatus |
| 01/28/2009 | CN101353544A Tough sintering epoxy powder coating and preparation thereof |
| 01/22/2009 | US20090020160 System and method for distributing chemical liquids |
| 01/21/2009 | EP1554518B1 Threaded pipe with surface treatment |
| 01/21/2009 | CN101349364A Cable stand anti-corrosive process |
| 01/14/2009 | EP2012989A1 Method for the production of a collecting line for detecting and locating an agent discharging into the environment of the collecting line in case of leakage, and collecting line produced by means of this method |