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DUERKOPPWERKE AG

Overview
  • Total Patents
    368
About

DUERKOPPWERKE AG has a total of 368 patent applications. Its first patent ever was published in 1918. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets textiles and paper, mechanical elements and packaging and shipping are RKOPPWERKE AG DU, DUERKOPPWERKE and DUERKOPPWERKE AKTIENGESELLSCHA.

Patent filings in countries

World map showing DUERKOPPWERKE AGs patent filings in countries
# Country Total Patents
#1 Germany 219
#2 United Kingdom 57
#3 France 55
#4 Austria 20
#5 Spain 6
#6 Belgium 4
#7 Denmark 4
#8 United States 2
#9 Finland 1

Patent filings per year

Chart showing DUERKOPPWERKE AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nicolay Karl 36
#2 Witte Alfred 30
#3 Baumann Albert 16
#4 Pudelko Hermann 16
#5 Neese Gerhard 13
#6 Jaeckel Fritz 9
#7 Grube Erwin 8
#8 Buenten Helmut 5
#9 Kastrup Werner 5
#10 Myska Guenter 4

Latest patents

Publication Filing date Title
GB1057808A A method for the mechanical preparation of knotted tying stitch at the end of a group of stitches
DE1234628B Device for the automatic loading of the constantly moving conveyor wagons of a hanging conveyor
ES308821A1 Automatic mechanism for sewing and cutting ojales. (Machine-translation by Google Translate, not legally binding)
GB1060229A Improvements in or relating to needle roller bearings
GB1047690A Needle bearing with cage and seal
GB1039009A Method of making a cage for a roller bearing
DE1242995B Work piece clamping device on sewing templates
GB987080A Sewing machine stand for industrial purposes
GB983974A Chain-stitch sewing machine
GB995222A Impulse valve for the control of a pressure fluid
GB977252A One-piece boiler roller bearing window cage made of moulded synthetic material
GB995481A Improvements in or relating to bearings
GB1026476A Joint bearing having an intermediate race of a synthetic material
DE1710890B1 Device for forming the thread triangle on a single chain stitch sewing machine
DE1175535B Throat plate for an eye buttonhole sewing machine
DE1220676B One-way clutch with pinch rollers
ES293687A1 Machine to make ojales (Machine-translation by Google Translate, not legally binding)
DE1206713B Device for the mechanical implementation of the bobbin change on lockstitch sewing machines with vertically rotating gripper
DE1185423B Protection against the needles falling out of a full complement, cageless needle bearing
DE1180119B Method for producing a spherical plain bearing with a plastic slide