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GEN RADIO CO

Overview
  • Total Patents
    177
About

GEN RADIO CO has a total of 177 patent applications. Its first patent ever was published in 1923. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets basic communication technologies, measurement and electrical machinery and energy are E H RESEARCH LAB INC, ANACHIP CORP and TAKEDA RIKEN IND CO LTD.

Patent filings in countries

World map showing GEN RADIO COs patent filings in countries
# Country Total Patents
#1 United States 65
#2 Canada 30
#3 United Kingdom 24
#4 France 23
#5 Germany 22
#6 Denmark 12
#7 Belgium 1

Patent filings per year

Chart showing GEN RADIO COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Frank Richard W 11
#2 Holtje Malcolm C 9
#3 Noyes Atherton Jr 8
#4 Sinclair Donald B 8
#5 Norris Tuttle William 6
#6 Lewis Frank D 5
#7 Kilton Clapp James 5
#8 Peterson Arnold P G 5
#9 Stuart Robert W Jr 4
#10 Skilling James K 4

Latest patents

Publication Filing date Title
US3956081A Method of high speed resistor trimming
GB1428944A Method and apparatus for automatic fault diagnosis of electrical circuits employing on-line simulation of faults in such circuits during diagnosis
US3855109A Apparatus for high speed resistor trimming
US3735238A Process and apparatus for providing image brightness over a wide range of discharge repetition rates
GB1283728A Automatic electronic counter apparatus
US3562641A Impedance-measuring transformer bridge with automatic digital balancing circuit
US3555256A Automatic electronic counter apparatus
US3529260A Oscillator with frequency dividers for providing tunable sinusoidal outputs
US3509483A Frequency synthesizer apparatus
US3566278A Swept frequency synthesizer with frequency marker generation capability
US3553728A Frequency measuring apparatus with automatic adjustment of measurement interval for enhanced speed and accuracy
US3479587A Reflection-coefficient measuring apparatus
US3328564A Frequency measurement system with counting and storage
GB1097652A Digital automatic impedance bridge circuit
US3286199A Transistor-controlled oscillator apparatus
US3435366A Tunnel diode-transistor bistable amplifier circuit
US3378701A Direct coupled pulse timing apparatus
US3339108A Capacitor charging and discharging circuitry
US3422422A Method of and apparatus for frequency display
US3382443A Method of and apparatus for signal-frequency shifting