Learn more

RADIO RES LAB INC

Overview
  • Total Patents
    31
About

RADIO RES LAB INC has a total of 31 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets electrical machinery and energy, basic communication technologies and telecommunications are TELEDYNE MEC, ZEISS CARL SMT LTD and ERNEST YEOMAN ROBINSON.

Patent filings in countries

World map showing RADIO RES LAB INCs patent filings in countries
# Country Total Patents
#1 United States 17
#2 United Kingdom 9
#3 Germany 4
#4 France 1

Patent filings per year

Chart showing RADIO RES LAB INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Haffcke Philip M 8
#2 St Laurent Herbert 6
#3 Allen Heany John 4
#4 Urmson William G 1
#5 Barnett David A 1

Latest patents

Publication Filing date Title
US2041270A Tube and method of manufacturing the same
US2058738A Electrical circuit for cold cathode tubes
US1984476A Wave repeating system and apparatus
DE620766C Device for coupling the high-frequency oscillation circuits of two amplifier stages
DE618277C Arrangement to restrict and suppress the feedback
DE622457C Method and arrangement for reducing electrical interference when receiving high-frequency vibrations
GB409461A Improvements in circuits including electric discharge devices
GB403813A Improvements in or relating to electric discharge devices and circuits associated therewith
GB413302A Improvements in electric discharge devices and circuits used therewith
GB413303A Electric discharge amplifying tubes and method of operating the same
GB409460A Improvements in or relating to radio and the like signal reception
GB413291A Methods and systems of controlling regeneration in electron discharge devices or the like
GB413290A Improvements relating to gaseous electric discharge devices
GB412643A Improvements in gas or vapor filled electric discharge devices
US2058686A Wave signaling method and apparatus
US1984499A Coupling system and apparatus
US1984479A Electric discharge device
US1947771A Electrical repeater
US1974957A Method and apparatus for amplifying or detecting electrical variations
US1986809A Electrode for discharge devices