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PHELPS DODGE CORP

Overview
  • Total Patents
    320
About

PHELPS DODGE CORP has a total of 320 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets materials and metallurgy, environmental technology and surface technology and coating are DANXIA SMELTING PLANT OF SHENZHEN ZHONGJIN LINGNAN NONFEMET CO LTD, FALCONBRIDGE NICKEL MINES LTD and SIHUAN ZINC & GERMANIUM TECH CO LTD.

Patent filings per year

Chart showing PHELPS DODGE CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Marsden John O 104
#2 Hazen Wayne W 91
#3 Baughman David R 88
#4 Robertson Joanna M 85
#5 Brewer Robert E 80
#6 Thompson Philip 75
#7 Sandoval Scot P 33
#8 Robinson Timothy G 32
#9 Bemelmans Christel M A 25
#10 Schmidt Roland 22

Latest patents

Publication Filing date Title
US2008047839A1 Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction and a flow-through anode
US2007268155A1 Position tracking and proximity warning system
BRPI0709712A2 Method of recovering copper from a copper-containing material
US2006016696A1 System and method for producing copper powder by electrowinning in a flow-through electrowinning cell
US2006016697A1 System and method for producing metal powder by electrowinning
US2005269209A1 System and method for producing copper powder by electrowinning using the ferrous/ferric anode reaction
US2006016684A1 Apparatus for producing metal powder by electrowinning
US2006226024A1 Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction and a flow-through anode
US2005109163A1 Process for multiple stage direct electrowinning of copper
US2005126923A1 Process for recovery of copper from copper-bearing material using medium temperature pressure leaching, direct electrowinning and solvent/solution extraction
US7378011B2 Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction
WO2004013338A1 Method for biological oxidation of elemental sulfur-bearing materials for sulfuric acid production
WO2004013337A1 Apparatus for processing elemental sulfur-bearing materials to produce sulfuric
US6451088B1 Method for improving metals recovery using high temperature leaching
AU7718201A Method for recovering metal values from metal-containing materials using high temperature pressure leaching
AU7716101A Method for recovery of metals from metal-containing materials using medium temperature pressure leaching
US6451089B1 Process for direct electrowinning of copper
BR0112758A Treatment, recovery of metal values and production of sulfuric acid and recovery of precious metals
US6398939B1 Method and apparatus for controlling flow in an electrodeposition process
US5820066A Methods and apparatus for laying fluid distribution lines