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MULTI STATE DEVICES LTD

Overview
  • Total Patents
    71
About

MULTI STATE DEVICES LTD has a total of 71 patent applications. Its first patent ever was published in 1971. It filed its patents most often in Canada, United States and Germany. Its main competitors in its focus markets electrical machinery and energy, basic communication technologies and semiconductors are LITTELFUSE ELECTRONICS SHANGHAI CO LTD, IRC INC and KOA CORP.

Patent filings in countries

World map showing MULTI STATE DEVICES LTDs patent filings in countries
# Country Total Patents
#1 Canada 15
#2 United States 15
#3 Germany 9
#4 United Kingdom 9
#5 Australia 7
#6 France 6
#7 Sweden 6
#8 Netherlands 4

Patent filings per year

Chart showing MULTI STATE DEVICES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eastwood H Keith 20
#2 Meijer Robert S 16
#3 Arts Marcus 12
#4 Plough Charles T 10
#5 Noval Barry A 8
#6 Arts M 5
#7 Leitner Michael 5
#8 Khoi Nguyen N 4
#9 Eastwood H K 4
#10 Maran Richard I 4

Latest patents

Publication Filing date Title
US4003038A Thermal discriminator for sensing variations in the heat exchange properties of a medium
US3950991A Apparatus for measuring an absolute temperature or a temperature differential with regenerative switching sensors
US3993983A Apparatus for sensing variations in the heat exchange properties of a medium
CA1033436A Apparatus for measuring an absolute temperature or a temperature differential
US3987318A Adjustable temperature actuated switching apparatus
US3937989A Temperature discrimination apparatus
US3943331A Temperature control circuit
CA1011432A Temperature control circuit
CA1021859A Temperature discrimination apparatus
CA1009316A Adjustable temperature actuated switching apparatus
CA1023470A Analog memory system
CA997479A Temperature sensitive resistor having a critical transition temperature of about 140.degree.c
CA991756A Semi-conductor thermal protection arrangement
US3872418A Electrical relay device
US3828292A Temperature compensating thermal relay
US3899407A Method of producing thin film devices of doped vanadium oxide material
CA984508A Method for cooling specific areas of a material
US3826924A Temperature compensated thermal relay device
US3886578A Low ohmic resistance platinum contacts for vanadium oxide thin film devices
CA947867A Computer memory device