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FOREST RADIO COMPANY DE

Overview
  • Total Patents
    19
About

FOREST RADIO COMPANY DE has a total of 19 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, machines and audio-visual technology are HEINTZ & KAUFMAN LTD, CARL HERZOG and PURDUE RES FOUNDATION PRF.

Patent filings in countries

World map showing FOREST RADIO COMPANY DEs patent filings in countries
# Country Total Patents
#1 United States 19

Patent filings per year

Chart showing FOREST RADIO COMPANY DEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Du Mont Allen B 4
#2 Elenschneider John B 3
#3 Crowley Sylvester W 2
#4 Weagant Roy A 2
#5 Hunter Jr Frederick L 2
#6 Schenk Carl R 1
#7 Nickl Edwin F 1
#8 Somersalo George A 1
#9 Zimber Raymond M 1
#10 Cleveland Ralph E 1

Latest patents

Publication Filing date Title
US1849056A Electron discharge device
US1915356A Ultra-high frequency generating system
US1930219A Cleaning and scraping method and apparatus
US1842631A Manufacture of lead-in wires
US1924544A Rectifier device
US1898351A Radiotube
US1924543A Filament
US1941687A Audion construction
US1894059A Process for producing electron emitters and the product
US1814770A Grid making machine
US1757542A Side pinning machine
US1641667A Sound-reproducing-device construction
US1648010A Electric assembling machine
US1707658A Sound-reproducing device
US1696941A Sound-reproducing device
US1800827A Audion receptacle
US1688842A Radio signaling circuits
US1835126A Means for preventing reradiation in antenne
US1612440A Electron discharge device