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OSTER JOHN MFG CO

Overview
  • Total Patents
    71
About

OSTER JOHN MFG CO has a total of 71 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machine tools, machines and electrical machinery and energy are MOORE ELECTRIC CORP, OSTER MFG CO JOHN and CHICAGO FLEXIBLE SHAFT CO.

Patent filings in countries

World map showing OSTER JOHN MFG COs patent filings in countries
# Country Total Patents
#1 United States 52
#2 Canada 16
#3 United Kingdom 3

Patent filings per year

Chart showing OSTER JOHN MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 John Oster 14
#2 Brown Ellis M 11
#3 Victor Forss Fritz 6
#4 Eric Bylund 6
#5 Neff Gene M 5
#6 Oster John 5
#7 Hahn Paul T 3
#8 Luther William P 3
#9 Lee Charles B 3
#10 Armbruster Cecil Van 3

Latest patents

Publication Filing date Title
US3119942A Electric motor for hand held appliance
GB857994A Improvements in or relating to universal salient pole electric motors
US2972160A Hand-held vacuum cleaner
US2819742A Kerf guide and splitter
US2817503A Food mixer with axially retractable beaters
US2778615A Beater with resiliently yieldable blades
US2747845A Household mixer with axially yieldable beaters
US2707949A Vibratory massage machine
US2699925A Household mixer having axially retractable beaters
US2645685A Multiposition switch
US2650992A End bell assembly for dynamo-electric machines
US2707852A Knife sharpener
US2699509A Electromagnetic type hair clipper
US2584214A Brush holder for electric motors and the like
US2582229A Power-driven palm grasped kitchen appliance
US2609253A Bearing construction
US2549885A Agitator for drink mixers
US2517539A Lather making machine and method of making lather
US2525338A Household mixer
US2536925A Nozzle construction for hair driers