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WILCOLATOR CO

Overview
  • Total Patents
    202
About

WILCOLATOR CO has a total of 202 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets electrical machinery and energy, control and machines are JOHN EDWARD SHERLOCK, CHANGSHU JIUZHOU ELECTRIC EQUIPMENT CO LTD and RHEOSTATIC CO LTD.

Patent filings in countries

World map showing WILCOLATOR COs patent filings in countries
# Country Total Patents
#1 United States 83
#2 United Kingdom 40
#3 Canada 35
#4 France 28
#5 Germany 9
#6 Switzerland 5
#7 Denmark 2

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Fonseca Edward L 30
#2 Waddell Benson F 20
#3 Burch Lyndon W 12
#4 Dahlgren John V S 9
#5 Parkhurst Malcolm K 6
#6 Mazzeo Charles F 5
#7 Twombly Willard I 5
#8 Malone Homer F 5
#9 Dahlgren John Victor Stanley 5
#10 Graves Theodore E 4

Latest patents

Publication Filing date Title
GB1078574A Improvements in thermostatic fluid flow control valves
US3212712A Thermostatic control means for gas burners
US3274362A Adjustable fluid pressure operated electric switch
US3243539A Fluid pressure actuated switches
US3297252A Self-clearing timer control circuits for cooking stoves and the like
US3251573A Control valve
US3163045A Thermally responsive power means
US3215349A Fuel control valve device
US3117497A Expansible power element
US3154132A Gas pilot burner device
US3191861A Timer adjusted oven temperature control
US3163044A Thermal sensing element
US3183329A Pressure operated switch with lever which rocks freely about its transverse axis through two points of engagement
US3139500A Thermally actuated double throw switch mechanism
GB877856A Improvements in gas oven control
GB877854A Improvements in gas oven control
GB877855A Improvements in gas oven control
US2994755A Gas oven control
GB852760A Improvements in electric switch mechanism and contact arrangements therefor
US2880292A Electrical switching unit