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BARRETT HARRY B

Overview
  • Total Patents
    42
About

BARRETT HARRY B has a total of 42 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States. Its main competitors in its focus markets machine tools, machines and measurement are AMMCO TOOLS INC, POORMAN JOHN E and BRINEY OTTIS R.

Patent filings in countries

World map showing BARRETT HARRY Bs patent filings in countries
# Country Total Patents
#1 United States 42

Patent filings per year

Chart showing BARRETT HARRY Bs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Barrett Harry B 42

Latest patents

Publication Filing date Title
US3060649A Means for grinding automotive brake shoes
US3022610A Grinder
US3049953A Lathes and method of making same
US2893180A Methods and means for grinding automotive brake shoes
US3000242A Riveting machine
US2959150A Methods and apparatus for preparing brake lining
US3000431A Machines for stripping lining from automotive brake shoes
US2960765A Methods and apparatus for finishing brake shoes and brake drums
US2932137A Cylinder honing element
US2960807A Means for grinding automotive brake shoes
US2887736A Windshield cleaner system and valves therefor
US2897882A Tire tread surfacing machine
US2805528A Cylinder hones
US2822650A Brake shoe grinders
US2791072A Brake shoe and brake drum surfacers
US2815616A Hand tools adapted for removing glaze from automotive brake shoes and brake drums
US2805486A Brake shoe gauges
US2805713A Tire truing lathes
US2791032A Brake drum gauge
US2822621A Brake drum gauges