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WILLIAM H WOODIN JR

Overview
  • Total Patents
    26
About

WILLIAM H WOODIN JR has a total of 26 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and basic communication technologies are BATCHELOR JOHN C, FERNSEH AG and ELECTRIC AND MUSICAL IND.

Patent filings in countries

World map showing WILLIAM H WOODIN JRs patent filings in countries
# Country Total Patents
#1 United States 23
#2 Canada 3

Patent filings per year

Chart showing WILLIAM H WOODIN JRs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Walter Soller 22
#2 Anderson Verne R 2
#3 Soller Walter 2

Latest patents

Publication Filing date Title
US2456654A Secondary electron emission tube
US2458539A Secondary electron emission tube
US2455389A Method and apparatus for separating audio frequencies
US2295537A Method and apparatus for pickup and delivery by aircraft in flight
US2234987A Picture reproducing apparatus for television systems
US2210010A Multiple vacuum tube
US2231034A Multiple frequency generator
US2245616A Amplification system
US2211914A Electron tube amplification system
US2231961A Television system
US2192942A Television modulation system and apparatus
US2174537A Photoelectric tube
US2177676A Television system and apparatus
US2184321A Regenerative electromechanical frequency selective apparatus
US2189843A Television system
US2138891A Electron tube amplification system
US2035574A Oscillator system
US2129710A Amplifying relay system
US2096012A System for testing or measuring potentials
US2243132A Television system