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INDEPENDENCE FOUNDATION

Overview
  • Total Patents
    11
About

INDEPENDENCE FOUNDATION has a total of 11 patent applications. Its first patent ever was published in 1958. It filed its patents most often in United States. Its main competitors in its focus markets materials and metallurgy, environmental technology and chemical engineering are VIRGIN METALS CANADA LTD, MANYO KOGYO KK and LIAO HUIMING.

Patent filings in countries

World map showing INDEPENDENCE FOUNDATIONs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing INDEPENDENCE FOUNDATIONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Olds Leonard E 2
#2 Aamot Olav C 2
#3 Udy Murray C 2
#4 Johnson Arthur F 1
#5 Burke James J 1
#6 Hildreth Clarence L 1
#7 Grose Robert W 1
#8 Senior Franklin C 1
#9 Oids Leonard E 1
#10 Shaffer Chester E 1

Latest patents

Publication Filing date Title
US3254989A Freeze-refining method
US3155492A Metallurigical process
US3206300A Process for reducing ore
US3254500A Freeze-refining apparatus
US3227545A Metallurgical process
US3206299A Dense-bed, rotary, kiln process and apparatus for pretreatment of a metallurgical charge
US3218131A Process for recovery of titania values
US3171878A Metallurgical apparatus
US3097090A Metallurgical process
US3099553A Metallic shell rotary reduction of iron-copper-zinc values from sulfide ores and slags
US3175900A Process for the recovery of iron and uranium from slags, boiler waste and the like