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ASARCO INC

Overview
  • Total Patents
    284
About

ASARCO INC has a total of 284 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets materials and metallurgy, environmental technology and surface technology and coating are METALLURGIE HOBOKEN, YUNNAN CHIHONG RESOURCES COMPREHENSIVE UTILIZATION CO LTD and SIHUAN ZINC & GERMANIUM TECH CO LTD.

Patent filings per year

Chart showing ASARCO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hugens John Richmond Jr 20
#2 Goffman Martin 19
#3 Jordan Thomas L 17
#4 Scott William L 14
#5 King Michael G 14
#6 Thomas Charles L 12
#7 Borzick William J 12
#8 Myers Michael 12
#9 Davis Larry A 12
#10 Bulvanoski Leo J 11

Latest patents

Publication Filing date Title
CA2423615A1 Purification of produced water from coal seam natural gas wells using ion exchange and reverse osmosis
US6192969B1 Casting of high purity oxygen free copper
US6116079A Liquid copper hydrogen sample probe
US5935409A Fluoboric acid control in a ferric fluoborate hydrometallurgical process for recovering metals
US5849172A Copper solvent extraction and electrowinning process
US5850034A Making of metal products using a gas analyzer
US5762683A Ferric fluoborate/organic extractant hydrometallurgical process for recovering metals
US5961797A Copper cathode starting sheets
US5793637A Method and apparatus for banding copper cathodes
US5614038A Method for making machinable lead-free copper alloys with additive
US5540749A Production of spherical bismuth shot
US5279644A Fire refining precious metals asay method
US5293924A Manufacture of copper rod
US5242571A Method and apparatus for the electrolytic production of copper wire
CA2136417A1 Method for melting copper
US5234492A Refining of bismuth
USRE34664E Method and apparatus for electrolytic refining of copper and production of copper wires for electrical purposes
US5103892A Continuous casting of discrete shapes
US5133948A Process for the removal of bismuth from copper refining electrolyte by using lead oxide
US5240494A Method for melting copper