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CHALLENGE MACHINERY CO

Overview
  • Total Patents
    88
About

CHALLENGE MACHINERY CO has a total of 88 patent applications. Its first patent ever was published in 1895. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machine tools, machines and textiles and paper are AMERICAN SLICING MACHINE CO, NIEL GRAY JR and ROBUD.

Patent filings in countries

World map showing CHALLENGE MACHINERY COs patent filings in countries

Patent filings per year

Chart showing CHALLENGE MACHINERY COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Freeman Barney 38
#2 Edgar Lee James 23
#3 Wesley Lee James 13
#4 Westra Dan P 9
#5 Gylleck Olaf T 7
#6 Westra Michael A 4
#7 Papanoli Michael E 4
#8 Beatty Philip J 3
#9 Stonemetz John H 3
#10 Westra Michael Allen 2

Latest patents

Publication Filing date Title
WO9911438A1 Programmable clamp pressure system
US5945929A Touch control potentiometer
US5694823A Document trimming apparatus
US5221402A Folding machine sprayer and fold plate and method of use therefore
US4429889A Stacking cart
US4146942A Paper padding or tableting press
US3656387A Corner cutter machine
US3623619A Paper cutter magnetic spacer
US3580123A Cutter
US3559984A Jogging apparatus
US3288062A Chase lockup bar assembly
US3280660A Paper drill back gauge
US3174375A Cutter having a clamping bar attached to the cutting blade with a lost-motion connection
US3089356A Belt drive for paper punch
US3105679A Clamp mechanism for a paper cutting machine
US2962963A Printer's proof press
US2787252A Lock for hydraulic piston
US2831654A Printer's quoin
US2778341A Automatic control for hydraulic paper cutters
US2799338A Paper cutter back gauge mounting