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COLONIAL RADIO CORP

Overview
  • Total Patents
    81
About

COLONIAL RADIO CORP has a total of 81 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets basic communication technologies, telecommunications and machines are STANDARD KOLLSMAN IND INC, BELMONT RADIO CORP and LUDWIG NEUMANN GES M B H ING.

Patent filings in countries

World map showing COLONIAL RADIO CORPs patent filings in countries
# Country Total Patents
#1 United States 71
#2 United Kingdom 7
#3 Canada 3

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Nicholson Jr Madison G 16
#2 Pifer Marion J 9
#3 Forbes Henry C 8
#4 Fulton Cutting 6
#5 Gull Roy A 4
#6 Mcgarvey Harold J 4
#7 Tittle Hulburt C 3
#8 Carlzen Carl F 3
#9 Carlson Robert W 3
#10 Meyer Alvin D 2

Latest patents

Publication Filing date Title
US2586696A Radio tube socket mounting
US2530663A Tuning mechanism
US2482026A Self-locking push-button tuning mechanism
US2512714A Screw and nut gearing
US2517059A Touch latch
US2517977A Dynamic test apparatus for piezoelectric crystals
GB634437A Improvements in or relating to electrical automatic tuning unit
GB623751A Improvements in or relating to signal seeking receiver for a.m. and f.m. signals
US2506869A Signal-seeking receiver
US2500347A Relay control circuits for signalseeking receivers
US2499857A Signal-seeking receiver
US2499858A Signal-seeking receiver
US2490277A Frequency modulation phonograph system
US2515791A Circuit for capacity microphones or pickups
US2499967A Push-button tuning signal-seeking receiver
US2512258A Decimal push-button tuning system
US2422981A Push button for radio receivers
US2487772A Signal-seeking receiver for amplitude modulation and frequency modulation signals
US2422995A Tuner construction
US2405951A Random sampling machine