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HOMESTAKE MINING CO

Overview
  • Total Patents
    26
About

HOMESTAKE MINING CO has a total of 26 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States, Australia and New Zealand. Its main competitors in its focus markets environmental technology, materials and metallurgy and machines are GUANGZHOU COSMO ENVIRONMENTAL TECHNOLOGY CO LTD, ROBLES ANTONIO T and DIAZ NOGUEIRA EDUARDO.

Patent filings in countries

World map showing HOMESTAKE MINING COs patent filings in countries
# Country Total Patents
#1 United States 5
#2 Australia 4
#3 New Zealand 4
#4 South Africa 4
#5 Canada 3
#6 China 1
#7 Spain 1
#8 France 1
#9 India 1
#10 Philippines 1
#11 Portugal 1

Patent filings per year

Chart showing HOMESTAKE MINING COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kunter Richard S 11
#2 Turney John R 10
#3 Mudder Terrance I 4
#4 Whitlock James L 4
#5 Neville Roy G 4
#6 Mudder Terrence I 3
#7 Whitlock James Lee 2
#8 Mudder Terrence Irwin 2
#9 Turney J R 2
#10 Kunter R S 2

Latest patents

Publication Filing date Title
US5169532A Method for biological removal of cyanides, thiocyanate and toxic heavy metals from highly alkaline environments
US4578163A Gold recovery process
US4461834A Strain of Pseudomonas paucimobilis
US4440644A Method for the biological removal of free and complex cyanides and thiocyanates from water
NZ201956A Pretreating refractory gold ore prior to extracting
US4428840A Anionic and cationic removal of copper from cyanide-containing wastewater