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SASKATCHEWAN POTASH

Overview
  • Total Patents
    115
About

SASKATCHEWAN POTASH has a total of 115 patent applications. Its first patent ever was published in 1935. It filed its patents most often in Canada, United States and Spain. Its main competitors in its focus markets chemical engineering, materials and metallurgy and basic materials chemistry are POTASH COMPANY, VERKAUFSGEMEINSCHAFT DEUTSCHER and DUVAL SULPHUR & POTASH COMPANY.

Patent filings in countries

World map showing SASKATCHEWAN POTASHs patent filings in countries

Patent filings per year

Chart showing SASKATCHEWAN POTASHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schoeld Edmund A 22
#2 Weinig Arthur J 12
#3 Smith Randal E 11
#4 Haworth Russell G 9
#5 Reiter Joseph S 9
#6 Nabors Jack D 8
#7 Derdall Gary D 6
#8 Priesnitz Frederick J 6
#9 Egbom Clarence W 6
#10 Mclaughlin Asa L 6

Latest patents

Publication Filing date Title
US5093088A Apparatus for producing phosphoric acid from phosphate ore
US4828811A Method for producing phosphoric acid from phosphate ore
EP0184720A1 Underground mining method for mineral deposits
CA1255058A Process for preparation of potassium salts from pulping of lignocellulosic materials
CA1247170A Gravity pipe transport system
CA1208349A Integrated acoustic network
US3363945A Propulsion system for continuous mining machine
US3259237A Phase desliming and concentration of potash ores
US3254762A Conditioning of granular potash
US3208592A Method of controlling hydroseparator operation
US3034985A Amine flotation reagent preparation
US3137650A Reflotation concentration of sylvite
US3064813A Method and means for filtration of slurries
US2999595A Apparatus for flotation concentration in coarse size range
US3017028A Clay depressant
US3052455A Ripper type mining machine
US3030088A Cutter bit holder
US3019890A Portable conveyor unit
US2934208A Silicone reagent flotation
US3048478A Method for producing granular muriate of potash