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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US399047820 Nov 19749 Nov 1976Inland Steel CompanyCombined strengthening and corrosion protection of pipelines
US41750216 Mar 197820 Nov 1979C. E. Equipment Co., Inc.Apparatus for preventing end effect in anodes
US440154029 Oct 198030 Ago 1983C.E. Equipment Co., Inc.Apparatus for reducing end effect in anodes
US445520421 May 198219 Jun 1984Raychem CorporationProtecting metal substrates from corrosion
US448723010 Dic 198111 Dic 1984Atlantic Richfield CompanyIncreasing the output of a pipeline anode
US450292929 Jul 19825 Mar 1985Raychem CorporationCorrosion protection method
US49576129 Feb 198718 Sep 1990Raychem CorporationElectrodes for use in electrochemical processes
US499023126 Ene 19905 Feb 1991Raychem CorporationCorrosion protection system
US62142036 Dic 199910 Abr 2001United States Pipe FoundryAnodic encasement corrosion protection system for pipe and appurtenances, and metallic components thereof
US62385452 Ago 199929 May 2001Composite anode, electrolyte pipe section, and method of making and forming a pipeline, and applying cathodic protection to the pipeline
US633124221 Jun 200018 Dic 2001United States Pipe and Foundry Company, Inc.Anodic encasement corrosion protection system for underground storage tanks, and metallic components thereof
US790154614 Mar 20088 Mar 2011M.C. Miller Co.Monitoring methods, systems and apparatus for validating the operation of a current interrupter used in cathodic protection
USH54413 Abr -13The Dow Chemical CompanyImpressed current cathodic protection system employing cobalt spinel structured anode