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MCCULLOUGH ROBERT F

Overview
  • Total Patents
    11
About

MCCULLOUGH ROBERT F has a total of 11 patent applications. Its first patent ever was published in 1952. It filed its patents most often in United States. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and environmental technology are MEISHAN SHUNYING POWER BATTERY MAT CO LTD, PAN AIFANG and LIFEZONE LTD.

Patent filings in countries

World map showing MCCULLOUGH ROBERT Fs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing MCCULLOUGH ROBERT Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mccullough Robert F 11
#2 Adams Joseph B 1
#3 Mcginnis William J 1
#4 Le Baron Ira M 1

Latest patents

Publication Filing date Title
US2927001A Production of ammonia and sulfurbearing materials from ammonium sulfate
US2894809A Method of recovering mineral values
US2905526A Method of processing ore material
US2849281A Organic extractant and method of solvent extracting mineral values
US2885259A Process for recovery of constituents of ores
US2790702A Acid treatment of phosphate rock to recover phosphates and uranium
US2841467A Method for recovery of mineral values from leached zone material
US2769686A Recovery of mineral values from leached zone material overlying florida pebble phosphate deposits
US2819145A Metal value recovery from leached zone material
US2767045A Treatment of phosphate rock to recover phosphorus and uranium values
US2830872A Recovery of uranium values from phosphate rock