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ELECTROGRAPHIC CORP

Overview
  • Total Patents
    81
About

ELECTROGRAPHIC CORP has a total of 81 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets textiles and paper, optics and macromolecular chemistry and polymers are ZHEJIANG KONITA NEW MAT CO LTD, ANOCOIL CORP and GRACE W R KK.

Patent filings in countries

World map showing ELECTROGRAPHIC CORPs patent filings in countries

Patent filings per year

Chart showing ELECTROGRAPHIC CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bungay George W 13
#2 Grandinetti Attilio 12
#3 Grandinetti A 6
#4 Reilly Frank E 5
#5 Leitheiser Robert H 5
#6 Leitheiser R H 4
#7 Szwarc J J 3
#8 Grumbache Edward S 3
#9 Szwarc John J 3
#10 Decker Richard J 2

Latest patents

Publication Filing date Title
CA1062948A Preparation of soft flexible printing plates
CA1036293A Photoetched printing plates prepared from hot melt systems
ZA7403433B Photoetched printing plates prepared from hot melt systems
US3425347A Resilient printing plate
US3531361A Printing plate assembly compacting apparatus
US3344708A Universal lens mounting
US3424635A Method of making composite printing plate
US3368439A Apparatus for preparing multipage printing
US3347163A Composite printing plate process
US3288063A Method and apparatus for preparing multipage printing plates and the like
US3309959A Reproportioning camera
US3338157A Apparatus for assembling a printing plate
GB1033477A Composite printing member
US3484326A Electrotype method and apparatus
GB968888A Composite electrotype printing member and method of making it
US2849768A Method and apparatus for backing-up electrotype shells
US2789500A Process of making a printing member
GB707122A Curved electrotypes
GB715030A Improvements in making ready cylindrical printing plates
US2655700A Apparatus for handling and separating casting drum and casting