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ZONOLITE COMPANY

Overview
  • Total Patents
    50
About

ZONOLITE COMPANY has a total of 50 patent applications. Its first patent ever was published in 1938. It filed its patents most often in Canada and United States. Its main competitors in its focus markets materials and metallurgy, machines and chemical engineering are GRANULITE LTD, SCHWANENBERG ERICH and F E SCHUNDLER & CO INC.

Patent filings in countries

World map showing ZONOLITE COMPANYs patent filings in countries
# Country Total Patents
#1 Canada 29
#2 United States 21

Patent filings per year

Chart showing ZONOLITE COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ziegler George E 10
#2 Goff David C 9
#3 Hayes John C 6
#4 Ridgeway John L 5
#5 Dresser Harry A 4
#6 Robinson Gilbert C 4
#7 Kelley Joseph A 3
#8 Myers John B 2
#9 Watts Vilas E 2
#10 Robinson David W 2

Latest patents

Publication Filing date Title
US3010840A Water repellent aggregate
US3076546A Vermiculite concentration
US3030218A Method of making refractory clay products
US3062753A Method of exfoliating vermiculite
US3010911A Method of and apparatus for heat processing particulate solids
US2922719A Structural clay products and method of making the same
US2945820A Production of exfoliated vermiculite
US2923659A Pesticidal composition
US2909869A Direct field seeding
US2868735A Method of processing vermiculite
US2816825A Plant propagating medium
US2824022A Light weight water resistant aggregate and method of making the same
US2903018A Parting agent for conduits
US2931716A Method for handling liquid materials and for granulating and conditioning solids
US3077395A Method of producing granulated fertilizer
US2901775A Method of insulating pipe
US2669510A Fertilizer conditioner
US2715583A Aggregate composition of granulated slag and expanded vermiculite
US2707984A Method of insulating underground pipe
US2565107A Method of producing porous aggregate mixes