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GRUENDLER CRUSHER & PULVERIZER

Overview
  • Total Patents
    12
About

GRUENDLER CRUSHER & PULVERIZER has a total of 12 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United States. Its main competitors in its focus markets machines and machine tools are ANI MINERAL PROCESSING INC, ZANDEN JOHANNES PETRUS ANDREAS and KACZMAREK AL.

Patent filings in countries

World map showing GRUENDLER CRUSHER & PULVERIZERs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing GRUENDLER CRUSHER & PULVERIZERs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines
#2 Machine tools

Focus technologies

# Technology
#1 Milling
#2 Unspecified technologies
#3 Metal-working

Top inventors

# Name Total Patents
#1 Gruendler William P 4
#2 Shelton Jr Harry J 3
#3 Poese Theodore H 1
#4 Shelton Harry J Jr 1
#5 Shelton Harry J 1
#6 Smiley Lloyd D 1
#7 Dreyer Fredrick B 1
#8 Latture James L 1

Latest patents

Publication Filing date Title
US4017957A Hammerpin puller
US3554454A Shredder and separator unit
US3480213A Vertical shredders
US3160351A Disintegrators and feeding means therefor
US3220658A Hammermills
US3030035A Grinders
US2656119A Refining blender
US2532678A Toggle block adjusting device for jaw crushers
US2491661A Tiltable feed means for grinders
US2434938A Opposed roll crusher with complementary double-curvature dress
US2419773A Mounting for removable screens of hammer mills, grinders, and the like
US2319629A Shredder blade