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FED TELEPHONE & RADIO CORP

Overview
  • Total Patents
    58
About

FED TELEPHONE & RADIO CORP has a total of 58 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States. Its main competitors in its focus markets semiconductors, measurement and basic communication technologies are IRIS IND SA, ARTILUX INC and JIANGSU CONTENT NETWORKING RES & DEV CT.

Patent filings in countries

World map showing FED TELEPHONE & RADIO CORPs patent filings in countries
# Country Total Patents
#1 United States 58

Patent filings per year

Chart showing FED TELEPHONE & RADIO CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sherman Vernon W 6
#2 Otto Saslaw 4
#3 Miller Arthur J 3
#4 Kandoian Armig G 3
#5 Andrew Alford 2
#6 Von Hippel Arthur 2
#7 Sauerborn Eugene P 2
#8 Kotterman Chester A 2
#9 Busignies Henri G 2
#10 Emile Labin 2

Latest patents

Publication Filing date Title
US2615998A Multistage cascade amplifier
US2584986A Selective wave filter
US2510107A Radio direction finder
US2474297A Combination televeision receiver and picture projector
US2498691A Remote control system for radio receivers
US2524830A Beacon antenna system
US2498669A Impulse transmitter test instrument
US2408106A Drop signal with vibration lock
US2393901A Magnetic signal device
US2381715A Voltage regulating system
US2426246A Contacting device for electrical elements
US2444430A Metal rectifier element
US2411560A Selenium element
US2454845A High-frequency oscillator circuit for induction heating apparatus
US2378438A Method of making selenium elements
US2412959A Radio direction finder system
US2384200A Selenium rectifier temperature indicator
US2379919A Manufacture of selenium elements
US2370493A Manufacture of selenium elements
US2424973A Transformer