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GEAR GRINDING MACH CO

Overview
  • Total Patents
    187
About

GEAR GRINDING MACH CO has a total of 187 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machine tools, mechanical elements and machines are COVENTRY GAUGE & TOOL CO LTD, HANSON EINAR A and JAFFA HARLEY STANLEY.

Patent filings in countries

World map showing GEAR GRINDING MACH COs patent filings in countries
# Country Total Patents
#1 United States 84
#2 Canada 44
#3 United Kingdom 27
#4 France 18
#5 Switzerland 12
#6 Germany 2

Patent filings per year

Chart showing GEAR GRINDING MACH COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brady Samuel G 27
#2 Gruenberg Ivor J 21
#3 Ward Frederick A 19
#4 Miller Jr Fred F 9
#5 Mustonen Reino H 8
#6 Davis Carl K 6
#7 Greve William G 6
#8 Machine Company The Gear Grind 6
#9 Miller Fred F Jr 6
#10 Ward Frederick Alexander 4

Latest patents

Publication Filing date Title
GB825325A Improvements in or relating to automatic feed mechanism for grinding machines
US2844013A Universal joint
DE1059264B Adjustment device for gears and other workpieces toothed on their circumference on a workpiece mandrel
GB800764A Means facilitating the positioning of work on a work-holder preparatory to the form grinding of the same
GB807063A Improvements in or relating to trueing or shaping mechanisms for the grinding wheelsof gear grinding machines
GB807064A Improvements in or relating to exchangeable cutter units and mountings therefore, for use in trueing or shaping mechanisms for the grinding wheels of form grinding machines
US2807255A Trimming mechanism
US2798347A Means facilitating the mounting of work on an arbor preparatory to the form grindingof the same
DE1013988B Liquid-cooled grinding wheel
GB813910A Improvements in or relating to liquid cooled grinding wheel assemblies
US2804064A Trimming mechanism
US2745229A Liquid cooled grinder wheel
US2755599A Form grinding machine
US2750718A Method and apparatus for grinding inner side faces of channel members
US2767881A Apparatus for similarly orienting in longitudinally aligned series like prismatic bodies of non-symmetrical cross-sectional contour
GB727786A Trueing mechanism for form grinders
GB734396A Improvements in or relating to trueing mechanisms
US2767520A Form grinding machine
US2664080A Trimming mechanism for grinder wheels
US2826188A Trimming mechanism for form grinders