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VICTOREEN INSTR COMPANY

Overview
  • Total Patents
    18
About

VICTOREEN INSTR COMPANY has a total of 18 patent applications. Its first patent ever was published in 1945. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, optics and computer technology are PHOENIX ROENTGENROEHRENFABRIKE, MCILVAINE PATENT CORP and LILIENFELD JULIUS EDGAR DR PHI.

Patent filings in countries

World map showing VICTOREEN INSTR COMPANYs patent filings in countries
# Country Total Patents
#1 United States 17
#2 United Kingdom 1

Patent filings per year

Chart showing VICTOREEN INSTR COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Victoreen John A 11
#2 Stokes Arthur J 2
#3 Reuter Jr Frederic W 2
#4 Virginia Terhune 1
#5 Barton Roger W 1
#6 Victor Neher Henry 1
#7 Pfaff William Albert 1
#8 Eddleston James H 1
#9 Bell John M 1
#10 Pfaff William A 1

Latest patents

Publication Filing date Title
US3372260A Position indicator for rotary element
GB1030557A Photographic printer-processor apparatus
US3276836A Process for upgrading vacuum tubes
US3157102A Printer-processor apparatus
US2864023A Voltage regulator tube
US2933676A Electronic manometer
US2756346A Pocket ionization chamber
US2657981A Method of etching and polishing aluminum
US2728005A Gaseous discharge tube
US2728004A Glow tube
US2587254A Indicating pocket ionization chamber
US2521315A Geiger tube
US2542440A Geiger tube
US2574000A Ionization and vacuum tube chamber
US2573999A Ionization chamber
US2507743A Method and apparatus for recording or indicating
US2540063A Coin detecting and indicating apparatus
US2600817A Method and apparatus for photoelectrically assorting, recording, or computing