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COMINCO LTD

Overview
  • Total Patents
    664
About

COMINCO LTD has a total of 664 patent applications. Its first patent ever was published in 1961. It filed its patents most often in Canada, United States and Australia. Its main competitors in its focus markets materials and metallurgy, surface technology and coating and machines are ASTURIANA DE ZINC SA, BUNKER HILL CO and BETTS ANSON GARDNER.

Patent filings per year

Chart showing COMINCO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Krauss Clifford J 56
#2 Boateng Daniel A D 38
#3 Kerby Robert C 30
#4 Swinkels Godefridus M 25
#5 Marlow John V 24
#6 Honey Ronald N 24
#7 Seymour Theodore J 20
#8 Deane Richard 20
#9 Ball Donald L 19
#10 Ybema Douwe 17

Latest patents

Publication Filing date Title
WO0014523A2 Apparatus for monitoring the operability of an electrochemical sensor
AU4587099A Fluidized bed roasting process
CA2250605A1 Drop forming method and sulphur polymer concrete process
AU7517198A Galvanizing of reactive steels
US6103204A Selective bioleaching of zinc
CA2219572A1 Selective bioleaching of zinc
US5896635A Apparatus for forming expanded mesh
CA2251954A1 Method and apparatus for collecting plates
AU7272396A Galvanizing alloy and process for reactive steels
US5709731A Slurry pipeline leaching method
AU5993596A Redox control in the electrodeposition of metals
US5976219A Method and apparatus for recycling of scrap metal
US5803949A Fluidized bed roasting process
CA2164910A1 Method and apparatus for roller cleaning electrodes
US5601795A Calomel (Hg2 Cl2) purification process
US5531903A Fluoride removal from metal sulphate solution and a method of waste utilization
US5571303A Sulfur-based fertilizer and process for production thereof
US5584978A Collection electrode (collectrode) for geo-electrochemical sampling
CA2126706A1 Dual drive for belt conveyor
US5449563A Galvanic protection of rebar by zinc wire