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JULIUS CATO VREDENBURG INGLESB

Overview
  • Total Patents
    15
About

JULIUS CATO VREDENBURG INGLESB has a total of 15 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and optics are PACK KK, ITEY FREDERIC and SHIMIZU SANGYO KK.

Patent filings in countries

World map showing JULIUS CATO VREDENBURG INGLESBs patent filings in countries
# Country Total Patents
#1 United States 8
#2 United Kingdom 5
#3 Canada 2

Patent filings per year

Chart showing JULIUS CATO VREDENBURG INGLESBs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gustav Fries 5
#2 Fries Gustav 4
#3 William Cookson 3
#4 Cookson William 1

Latest patents

Publication Filing date Title
GB854069A Improvements in magnetic tape recording and reproducing apparatus
US2865312A Fixing devices for roofing sheets
GB792674A Method of and apparatus for magnetising or demagnetising magnetic record carriers
GB788862A Apparatus for the recording or reproduction of signals on or from a tape or band record carrier
GB822166A Cathode ray image producing system and apparatus
US2873699A Roofing and siding sheets
US2834889A Electronic camera
US2839602A Method of and apparatus for recording pictures
US2707162A Recording of electronic images
US2839601A Methods of and apparatus for rendering visible magnetic and electric field patterns
GB715480A Record carrier for the recording of electronic images, and method of and apparatus for producing the same
CA554785A Method of and apparatus for recording pictures
CA595579A Fixing devices for roofing sheets