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POLYDOROFF WLADIMIR J

Overview
  • Total Patents
    21
About

POLYDOROFF WLADIMIR J has a total of 21 patent applications. Its first patent ever was published in 1939. It filed its patents most often in United States and Canada. Its main competitors in its focus markets telecommunications, electrical machinery and energy and basic communication technologies are DIGITAL WAVE CO LTD, ANTENNA PRODUCTS LTD and PULSE SUZHOU WIRELESS PRODUCTS CO LTD.

Patent filings in countries

World map showing POLYDOROFF WLADIMIR Js patent filings in countries
# Country Total Patents
#1 United States 18
#2 Canada 3

Patent filings per year

Chart showing POLYDOROFF WLADIMIR Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Polydoroff Wladimir J 21
#2 Johanson John E 1

Latest patents

Publication Filing date Title
US2870442A Ferromagnetic antenna systems
US2804617A Antenna systems
US2624004A Ferromagnetic antenna
US2748386A Antenna systems
US2611123A High-frequency apparatus
US2566746A Very high-frequency tuning circuits
US2518930A Very high frequency variable inductor
US2442310A Directional antenna system
US2438680A Loop antenna apparatus
US2462423A Ferromagnetic variable highfrequency inductor
US2399382A Directional antenna system
US2383415A Loop antenna apparatus
US2354332A Loop antenna
US2354331A High-frequency ferroinductor
US2269784A High frequency coupling device
US2260088A Radio tuning arrangement
CA440738A High frequency ferro inductor
CA405883A Antenna system
CA495153A Directional antenna systems