Learn more

DUERKOPP WERKE A G

Overview
  • Total Patents
    14
About

DUERKOPP WERKE A G has a total of 14 patent applications. Its first patent ever was published in 1926. It filed its patents most often in Germany and Switzerland. Its main competitors in its focus markets textiles and paper, transport and mechanical elements are MICROCORE CO LTD, GUSTAV TITTEL and BERNINA INT AG.

Patent filings in countries

World map showing DUERKOPP WERKE A Gs patent filings in countries
# Country Total Patents
#1 Germany 11
#2 Switzerland 3

Patent filings per year

Chart showing DUERKOPP WERKE A Gs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Duerkopp-Werke A-G 3
#2 Nicolay Karl 1

Latest patents

Publication Filing date Title
DE826391C Friction clutch with brake that can be engaged and disengaged, especially for sewing machine drives
DE627303C Device for converting a conventional lockstitch sewing machine into a double chainstitch sewing machine
DE627404C Machine for making tack and bartack stitches
DE627915C Cutting device on buttonhole or similar sewing machines
DE610483C Thread cutting device on sewing machines
DE553218C Gimp guide on buttonhole and similar sewing machines
DE543730C Coupling for sewing machines driven by an electric motor
DE454188C Crawler vehicle to be converted into a wheeled vehicle
DE483960C Knife slide adjustment on sewing machines
DE533083C Device on blind stitch chain stitch sewing machines
DE454215C Gear arrangement on caterpillar vehicles