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FISHER RADIO CORP

Overview
  • Total Patents
    15
About

FISHER RADIO CORP has a total of 15 patent applications. Its first patent ever was published in 1955. It filed its patents most often in Canada, Germany and United States. Its main competitors in its focus markets basic communication technologies, audio-visual technology and control are SHUBIN VLADIMIR VLADIMIROVICH, ZABOLOTNYJ ALEKSEJ E and KOKES ANTONIN.

Patent filings in countries

World map showing FISHER RADIO CORPs patent filings in countries
# Country Total Patents
#1 Canada 4
#2 Germany 4
#3 United States 4
#4 France 2
#5 Switzerland 1

Patent filings per year

Chart showing FISHER RADIO CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Heinz Harro K 4
#2 Johann Krausser Friedrich 3
#3 Mergner Fritz L 3
#4 Karl Frei 2
#5 Frei Karl 2
#6 Krausser Friedrich J 2
#7 Maerkle George P 1
#8 Kurt Heinz Harro 1
#9 Harro Kurt Heinz 1

Latest patents

Publication Filing date Title
US3431503A Detectors for frequency modulated (fm) signal receivers having pulse generating circuitry
US3290443A Receivers of stereophonic programs from a single multiplex transmitting station
US3443038A Recording system with signal return circuit for allowing the use of certain filters and amplifiers in both record and reproduce modes
US2876420A Transducer circuits
CA823791A Detectors for frequency modulated (fm) signal receivers
CA886182A Frequency modulation-demodulation circuit
CA822811A Receivers of stereophonic programs from a single multiplex transmitting station
CA861668A Regulated power supply