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AMERICAN TOOL WORKS CO

Overview
  • Total Patents
    118
About

AMERICAN TOOL WORKS CO has a total of 118 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets machines, machine tools and mechanical elements are COLBURN MACHINE TOOL COMPANY, JOSLIN KINGSBURY EDWARD and LODGE & SHIPLEY MACHINE TOOL COMPANY.

Patent filings in countries

World map showing AMERICAN TOOL WORKS COs patent filings in countries
# Country Total Patents
#1 United States 117
#2 United Kingdom 1

Patent filings per year

Chart showing AMERICAN TOOL WORKS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hoelscher William G 53
#2 Robinson Albert E 24
#3 Sosa Augustus M 19
#4 Schatz Herman W 15
#5 Schellenbach William L 7
#6 Alfred Kullman 5
#7 Mill Anton 3
#8 Waltz Thomas A 3
#9 Hans Baerbalck 3
#10 Hery Vincent D 2

Latest patents

Publication Filing date Title
US3222955A Indexing device
US3117658A Hydraulically operated transmission system
US3074683A Single plane tracer valve
US2977860A Machine for producing containers
US2836086A Clamping and elevating apparatus for machine tools
US2817982A Self-equalizing head clamping mechanism
US2871993A Clamping mechanism for machine tools
US2892438A Pan spraying machine
US2682933A Clamping mechanism for machine tools
US2687065A Mirror system for template controlled machine tools
US2668557A Conduit system for machine tools
US2658418A Support for cutting tools
US2608109A Hand or power transmitting apparatus
US2612070A Displaceable bearing for lathe feed shafts
US2608120A Pawl and ratchet mechanism for lathe tailstocks
US2572479A Lathe spindle speed control mechanism
US2637412A Lubricating apparatus
US2640369A Feedbox transmission for lathes
US2584963A Feed indicating dials for lathe carriages
US2586654A Tracer control valve