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KOHORN OSCAR & CO

Overview
  • Total Patents
    75
About

KOHORN OSCAR & CO has a total of 75 patent applications. Its first patent ever was published in 1920. It filed its patents most often in Germany, France and Switzerland. Its main competitors in its focus markets textiles and paper, packaging and shipping and machines are HOELKENSEIDE G M B H, OSCAR FREIHERR VON KOHORN and BRYSILKA LTD.

Patent filings in countries

World map showing KOHORN OSCAR & COs patent filings in countries
# Country Total Patents
#1 Germany 28
#2 France 23
#3 Switzerland 13
#4 Austria 7
#5 United Kingdom 3
#6 United States 1

Patent filings per year

Chart showing KOHORN OSCAR & COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kohorn Co Oscar 13
#2 Perl Alfred 10
#3 Jager Alwin 4
#4 Dr Perl Alfred Ing 3
#5 Lehner Alfred 3
#6 Schupp Hellmuth 3
#7 Alwin Jaeger 2
#8 Schupp Hellmuth Dr 1
#9 Landolt Dipl-Ing Charles 1
#10 Strilker Franz 1

Latest patents

Publication Filing date Title
DE646724C Device for cutting continuously fed artificial threads, in particular artificial silk threads, into stacks
DE645761C Device for cutting continuously fed artificial threads, in particular artificial silk threads, into stacks
DE663991C Process for the abbreviated pre-ripening of alkali cellulose
DE662683C Process for the abbreviated pre-ripening of alkali cellulose
DE565985C Artificial silk spinning machine with swiveling bobbin carriers
DE557462C Device for the continuous spinning, post-treatment and especially drying of rayon
US1836086A Machine for the wet treatment of textile material
DE516571C Spinneret and spinneret holder for the production of rayon
DE522832C Coupling device
DE524946C Infinitely variable speed change gear
DE510457C Evaporator for cooling systems
DE501722C Maturing trolley for soda cellulose
DE487889C Acid channel
DE498757C Artificial silk bobbin spinning machine
DE569038C Dry spinning process for the production of acetate silk
DE489479C Method and device for cleaning rayon spinning devices
DE519754C Process for the production of artificial structures from viscose solutions
DE489584C Device for the wet treatment of strands made of textile materials, in particular made of rayon
DE491278C Measuring and storage device for reel machines
DE527221C Device for winding bobbins for rayon spinning machines