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CHICAGO TELEPHONE SUPPLY CORP

Overview
  • Total Patents
    141
About

CHICAGO TELEPHONE SUPPLY CORP has a total of 141 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machines and audio-visual technology are ANGSTROHM PRECISION INC, VITROHM GMBH CO KG and PREH GMBH WALTER.

Patent filings in countries

World map showing CHICAGO TELEPHONE SUPPLY CORPs patent filings in countries
# Country Total Patents
#1 United States 67
#2 Canada 56
#3 United Kingdom 18

Patent filings per year

Chart showing CHICAGO TELEPHONE SUPPLY CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Daily Arthur M 72
#2 Arisman Mervin B 40
#3 Budd Wilbert H 33
#4 Barden Wayne A 32
#5 Pierce Donald A 12
#6 Slough Hilbert L 12
#7 Vaksvik Adrian J 6
#8 Stackhouse Robert A 6
#9 Bush Wilkie L 6
#10 Veatch Joseph G Jr 5

Latest patents

Publication Filing date Title
US2926324A Adjustable resistor
US2929040A Combination electric switch and variable resistor
US2935714A Variable resistor with vernier control
US2916717A Variable resistor
US2881280A Electric snap switch
US2917721A Hermetically sealed variable resistor
US2917720A Hermetically sealed variable resistor
US2932709A Miniature single pole single throw switch
US2866055A Tandem concentric variable resistance device
US2932698A Electric switch unit with main and auxiliary switches
US2925575A Variable resistor
US2909749A Electrical control instrumentality
GB827033A Electric switch with terminal assembly adapted for connection to printed circuits
GB854129A Variable resistance control adapted for mounting in a supporting panel
GB826797A Electric switch with terminal assembly adapted for connection to printed circuits
GB827250A Electric switch with terminal assembly adapted for connection to printed circuits
GB826877A Electric switch with terminal assembly adapted for connection to printed circuits
US2883500A Concentric tandem variable resistance control
US2862082A Combined contact and terminal for electric switch
US2836667A Electric switch