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KENNECOTT COPPER CORP

Overview
  • Total Patents
    893
About

KENNECOTT COPPER CORP has a total of 893 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy, environmental technology and machines are THORSEN GUNNAR, INT NICKEL CANADA and PLACER DOME TECHNICAL SERVICES LTD.

Patent filings per year

Chart showing KENNECOTT COPPER CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Skarbo Roald R 36
#2 Zimmerley Stuart R 25
#3 Malouf Emil E 18
#4 Shinopulos George 16
#5 Prater John D 16
#6 Ammann Paul R 16
#7 Wang Chih-Chung 14
#8 Pemsler J Paul 13
#9 Lueders Robert E 13
#10 Skarbo R 12

Latest patents

Publication Filing date Title
US6149883A Pressure oxidation process for the production of molybdenum trioxide from molybdenite
CA1091924A Mechanically stirred furnace or reactor for pyrometallurigical operations and method of operation
US4274866A Flotation and sintering of synthetic manganese carbonate
US4283947A Self cleaning, steam cooled, gas sample probe
US4253917A Method for the production of copper-boron carbide composite
US4238299A Tubing with copper-boron carbide composite facing and methods for its production
US4226685A Electrolytic treatment of plating wastes
US4222832A Cascading electrolyte bleed streams
US4197181A Stationary particulate bed dual electrode
US4207153A Electrorefining cell with bipolar electrode and electrorefining method
US4248837A Solvent extraction of copper, nickel with methyl hexyl dioxime
US4218907A Rolling mill bearing assembly
US4197117A Recovery of copper by ferrous ion precipitation
US4211753A Recovery of molybdenum values from dilute solutions
US4232727A Method and apparatus for the continuous production of strip
US4204883A Tarnish resistant copper alloy
CA1117772A Nitric acid-oxygen leaching of sulfidic minerals
US4211270A Method for continuous casting of metallic strands at exceptionally high speeds
US4149880A Recovery of copper from arsenic containing metallurgical waste materials
US4152142A Recovery of copper values from iron-containing ore materials as mined and smelted