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TAPPAN CO

Overview
  • Total Patents
    210
About

TAPPAN CO has a total of 210 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets thermal processes, furniture and games and electrical machinery and energy are BSH HOME APPLIANCES CORP, TAPPAN CO THE and DETROIT STOVE WORKS.

Patent filings in countries

World map showing TAPPAN COs patent filings in countries
# Country Total Patents
#1 United States 104
#2 Canada 37
#3 Germany 18
#4 United Kingdom 17
#5 Sweden 10
#6 France 9
#7 Switzerland 5
#8 Denmark 3
#9 Norway 3
#10 Italy 2
#11 Australia 1
#12 Finland 1

Patent filings per year

Chart showing TAPPAN COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Perl Richard L 47
#2 Lamb John T 13
#3 Perl R 9
#4 Hoff John M 7
#5 Gilliom John W 6
#6 Pollock Earl S 6
#7 Anderson Carl L 6
#8 Constance Frederick G 5
#9 Ravinet Ernest 5
#10 Lamb J 5

Latest patents

Publication Filing date Title
US4813726A Panel retaining arrangement
US4761539A Oven calibration system having variable stored calibration value
US4781170A Traveling flame burner
US4754948A Range stability device
US4759341A Sliding rail support system
US4613192A Power cord strain relief
CA1229140A Power cord strain relief
CA1229705A Adjustable knob
US4611841A Panel retaining arrangement
US4572154A Gas range
US4568810A Oven cooking control system with scanning display
US4499630A Manual control knob with adjustable pointer assembly
US4446849A Vent apparatus for a surface cooking appliance
CA1170725A Microwave oven control system
US4375587A Microwave oven energization circuit and components therefor
US4321447A Energization circuit for a microwave oven
US4310933A Food waste disposer mounting assembly
US4084571A See-through oven door with reticulated heat shield
US4108139A Convection oven
US4054769A Microwave oven interlock switch safety