Learn more

MURPHY RADIO LTD

Overview
  • Total Patents
    169
About

MURPHY RADIO LTD has a total of 169 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets basic communication technologies, audio-visual technology and measurement are KOLSTER BRANDES LTD, HASELTINE CORP and PHILCO RADIO & TELEVISION CORP.

Patent filings in countries

World map showing MURPHY RADIO LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 137
#2 France 11
#3 United States 8
#4 Ireland 6
#5 Canada 3
#6 Belgium 2
#7 Germany 2

Patent filings per year

Chart showing MURPHY RADIO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fairhurst Harold Alfred 13
#2 Mcmullin Terence Alexander 9
#3 Hutton James Alan 5
#4 Smith Robert Bruce 4
#5 Gifkins Geoffrey Charles 3
#6 Hawkins George Frederick 3
#7 Alfred Fairhurst Harold 3
#8 Brennan John Peter 2
#9 Bernard-Baker Geoffrey 2
#10 Baker Geoffrey Bernard 2

Latest patents

Publication Filing date Title
IE25743L Turret tuner
GB890900A Television receivers
GB913460A Scanning circuits for cathode-ray tubes
GB869064A Combined television and radio receivers
GB900932A Mounting and connecting of electronic apparatus
GB902566A Synchronising circuits for television receivers
GB897911A A method of and apparatus for converting an optical image into a television signal
GB866775A Television and sound receivers
GB869925A Improvements in sawtooth current generators
GB797556A Television receivers having automatic gain control
GB848324A Synchronising electronic time bases
GB836399A Potting of component terminals
GB836398A Resins for protecting electrical apparatus
GB844842A Radio indication of bearing
GB831598A Control means for radio and like apparatus
GB771701A Inductance coils
GB827955A Encasing electrical components in plastic material
GB818669A Presentation of coloured television pictures
GB823764A Automatic control of colour television receivers
GB779886A Improvements in radar and like apparatus