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ELDORADO MINING & REFINING LTD

Overview
  • Total Patents
    20
About

ELDORADO MINING & REFINING LTD has a total of 20 patent applications. Its first patent ever was published in 1953. It filed its patents most often in Canada, United States and Germany. Its main competitors in its focus markets materials and metallurgy and environmental technology are SOC MINIERE ET METALLURGIQUE DE PENARROYA, MINES FOND ZINC VIEILLE and MOLIBDENOS Y METALES S A.

Patent filings in countries

World map showing ELDORADO MINING & REFINING LTDs patent filings in countries
# Country Total Patents
#1 Canada 9
#2 United States 6
#3 Germany 3
#4 United Kingdom 2

Patent filings per year

Chart showing ELDORADO MINING & REFINING LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ritcey Gordon M 4
#2 Ashbrook Allan W 4
#3 M Ritcey Gordon 3
#4 Thunaes Arvid 3
#5 Brown Ernest A 3
#6 Simard Roger 2
#7 Melvanin Frank W 2
#8 Smith Harold W 2
#9 W Ashbrook Allan 2
#10 Pierre Boutin 1

Latest patents

Publication Filing date Title
US3457034A Process for extracting tungsten values from material containing same
US3399055A Separation of cobalt by liquid extraction from acid solutions
US3438768A Separation of cobalt from nickel by extraction from ammonical solution
US3295932A Method for the extraction of minerals
US3042486A Production of uranium dioxide
US2738253A Uranium separation process
CA531819A Radium recovery process
CA795725A Separation of cobalt and nickel by extraction from ammoniacal solution
CA795724A Separation of cobalt and nickel by liquid-liquid extraction from acid solutions
CA552647A Uranium precipitation process
CA577972A Method of making uranium dioxide fuel
CA756991A Method and apparatus for the extraction of minerals
CA565623A Uranium extraction process
CA555622A Uranium separation process
CA784171A Process for extracting tungsten values from materials containing same