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GRUENDLER CRUSHER AND PULVERIZ

Overview
  • Total Patents
    16
About

GRUENDLER CRUSHER AND PULVERIZ has a total of 16 patent applications. Its first patent ever was published in 1939. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, foods and drinks and textiles and paper are ANI MINERAL PROCESSING INC, STACEY FRANK and OKUYA YASUAKI.

Patent filings in countries

World map showing GRUENDLER CRUSHER AND PULVERIZs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 3

Patent filings per year

Chart showing GRUENDLER CRUSHER AND PULVERIZs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leo Freeman 5
#2 Shelton Jr Harry J 4
#3 Shelton Harry J Jr 2
#4 Smiley Lloyd D 1
#5 Meyer Alphonse 1
#6 Gruendler William S 1
#7 Dreyer Fredrick B 1
#8 Gruendler William P 1
#9 Maloney Daniel T 1
#10 Alphonse Meyer 1

Latest patents

Publication Filing date Title
US4801101A Wallboard cutter
US3226045A Grinders
US2969820A Shredding hammers
US2975985A Grinders
US2954937A Shredding machines
US2847168A Pressurized refining blender for reducing liquid-solid suspensions
US2825935A Apparatus for defiberizing bagasse
US2742237A Garbage disposal machines
US2760234A Methods of defiberizing bagasse
US2593353A Portable plural-stage crushing, screening, and washing plant
US2577716A Grinding machine
US2500065A Clarification of settling liquors
US2215226A Louver plate screen for mills
CA746880A Hammermills
CA396014A Louver plate screen for mills
CA855683A Hammermills