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EFKA WERK FRITZ KIEHN

Overview
  • Total Patents
    11
About

EFKA WERK FRITZ KIEHN has a total of 11 patent applications. Its first patent ever was published in 1932. It filed its patents most often in Germany, France and Switzerland. Its main competitors in its focus markets textiles and paper, consumer goods and packaging and shipping are DIETMANN PAUL WILHELM, WUXI TIEMIN PRINTING MACHINERY CO LTD and HONSEL CARL.

Patent filings in countries

World map showing EFKA WERK FRITZ KIEHNs patent filings in countries
# Country Total Patents
#1 Germany 7
#2 France 2
#3 Switzerland 1
#4 Spain 1

Patent filings per year

Chart showing EFKA WERK FRITZ KIEHNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kiehn Fritz 2
#2 Fritz Kiehn Efka-Werk 1
#3 Buettner Hugo 1
#4 Kirchhof Walter 1
#5 Liebelt Otto 1

Latest patents

Publication Filing date Title
DE833592C Process for the production of cigarette paper with a frayed longitudinal edge
DE743434C Method and device for producing cigar cell bags
DE723733C Dispenser for cigarette papers
ES145955A1 A smoking paper dispensing device.
DE714568C Dispenser for cigarette papers
DE722721C Cigar pack
DE705647C Device for making paper cigar bags o.
DE707750C Device for making paper cigar bags o.