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SIEGWERK DRUCKFARBEN GMBH & CO

Overview
  • Total Patents
    24
About

SIEGWERK DRUCKFARBEN GMBH & CO has a total of 24 patent applications. Its first patent ever was published in 1939. It filed its patents most often in Germany, EPO (European Patent Office) and Canada. Its main competitors in its focus markets machines, textiles and paper and basic materials chemistry are INTERNAT PRINTING INK CORP, TEIKOKU PRINTING INK MFG and PRINTING SCIENCE & TECHNOLOGY INST THE PEOPLES BAN.

Patent filings per year

Chart showing SIEGWERK DRUCKFARBEN GMBH & COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mauer Wolfgang 6
#2 Griebel Rudolf 4
#3 Griebel Rudolf Dr 4
#4 Schaeffeler Lothar 4
#5 Stammen Klaus Dr 3
#6 Kocherscheid Karl A 3
#7 Kocherscheid Karl A Dr 3
#8 Stammen Klaus 3
#9 Schaffeler Lothar 2
#10 Hagen Heiko Von 1

Latest patents

Publication Filing date Title
DE10134392A1 Process for producing an embossing effect on a plastic film and plastic films in relief
EP1118645A2 Method of making hot melt printing inks
DE19939775A1 Printing cylinder, process for its production and its use
EP0700977A1 Hot-melt printing ink
DE4205713A1 Printing ink, process for its production and its use
DE4205636A1 Gravure and planographic printing processes and printing machines for carrying out the processes
DE2725131A1 METHOD AND DEVICE FOR CONTROLLING THE ETCHING DEPTH OF PRESSURE CYLINDERS