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FOREST RADIO TELEPHONE & TELEG

Overview
  • Total Patents
    29
About

FOREST RADIO TELEPHONE & TELEG has a total of 29 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, telecommunications and audio-visual technology are ARISTOTE MAVROGENIS, ERNEST YEOMAN ROBINSON and BINNEWEG JR ABRAHAM.

Patent filings in countries

World map showing FOREST RADIO TELEPHONE & TELEGs patent filings in countries
# Country Total Patents
#1 United States 28
#2 United Kingdom 1

Patent filings per year

Chart showing FOREST RADIO TELEPHONE & TELEGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hunter Jr Frederick L 6
#2 Crowley Sylvester W 5
#3 Logwood Charles V 3
#4 De Forest Lee 3
#5 Frederick Holborn 2
#6 Gowen Robert F 2
#7 Squire Frank M 2
#8 Llewellyn Bradford James 1
#9 Dieges Robert T 1
#10 William Garity 1

Latest patents

Publication Filing date Title
US1696928A Antenna
US1740577A Wireless telegraph and telephone system
US1849527A Electron discharge device and process of making the same
US1751485A Frequency-changing method and means
US1828884A Wire bending machine
US1722468A Electron-discharge device
US1840284A Electron discharge device
US1720453A Means for reducing interfering voltages in radio apparatus
US1855760A Electron discharge device
US1587321A Pump
US1585159A Thermal generator
US1672483A Electron-discharge device
US1647996A Electron-discharge device
US1695687A Filament
US1612967A Engraving apparatus
US1672482A Electron-discharge device
US1897480A Process of making electron discharge device
US1835051A Electron discharge device
US1720544A Radio receiving apparatus
US1567260A Audion electrode structure