Learn more

CARL FREUDENBERG K G A A

Overview
  • Total Patents
    21
About

CARL FREUDENBERG K G A A has a total of 21 patent applications. Its first patent ever was published in 1948. It filed its patents most often in Germany, Finland and France. Its main competitors in its focus markets textiles and paper, surface technology and coating and machines are VER FILZFABRIKEN AG, ANVER and C ENG CO LTD.

Patent filings in countries

World map showing CARL FREUDENBERG K G A As patent filings in countries
# Country Total Patents
#1 Germany 14
#2 Finland 2
#3 France 2
#4 Austria 1
#5 Canada 1
#6 United Kingdom 1

Patent filings per year

Chart showing CARL FREUDENBERG K G A As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Emil Braun 2
#2 Nottebohm Carl-Ludwig Dr 1
#3 Krug Hans-Dietrich Dr 1
#4 Eisenlohr Wolfram 1
#5 Lauppe Wilhelm 1
#6 Nottebohm Carl Ludwig Dr 1
#7 Nottebohm Carl-Ludwig 1
#8 Demme Ernst Dr 1
#9 Haas Dipl-Ing Egon 1
#10 Nottebohm Dr Carl Ludwig 1

Latest patents

Publication Filing date Title
GB893822A Improvements relating to the production of aqueous cellulose gels and sols
CA541868A Production of porous structures of textile-like character