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NATRONZELLSTOFF UND PAPIERFAB

Overview
  • Total Patents
    128
About

NATRONZELLSTOFF UND PAPIERFAB has a total of 128 patent applications. Its first patent ever was published in 1929. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets packaging and shipping, measurement and textiles and paper are LEONHARDT SIEGFRIED DIPL KFM, HOEHN JOHN WALTER and DELKOR SYSTEMS INC.

Patent filings in countries

World map showing NATRONZELLSTOFF UND PAPIERFABs patent filings in countries
# Country Total Patents
#1 Germany 62
#2 France 16
#3 United Kingdom 13
#4 Austria 12
#5 Switzerland 8
#6 Belgium 5
#7 Sweden 3
#8 Denmark 2
#9 Spain 2
#10 Finland 2
#11 United States 2
#12 Canada 1

Patent filings per year

Chart showing NATRONZELLSTOFF UND PAPIERFABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bude Rudolf 21
#2 Arenbeck Helmut 9
#3 Helmut Arenbeck 4
#4 Vollbrecht H 3
#5 Spiegel Johannes 3
#6 Schattanik Heinrich 3
#7 Kunder Dr Hermann 2
#8 Mischke Bruno 2
#9 Vollbrecht Helmut 2
#10 Ragossnig Ludwig Dr 2

Latest patents

Publication Filing date Title
DE1549235A1 Automatic wake regulating device for automatic scales
GB1087927A Bag filling machine
GB1087928A Bag filling machine
DE1246522B Machine for the compacting filling of dusty or grainy goods into valve bags
DE1176548B Bag holding and stamping device
DE1170313B Valve bag made of paper or the like with a valve insert made of a plastic film that shrinks when exposed to heat
DE1226479B Bag filling machine with or without weighing device, especially for valve bags
DE1219384B Valve bag made of paper or similar material
DE1172598B Single or multi-layer valve bag with internal valve insert
ES264058A3 Improvements in valve bags with emptying device (Machine-translation by Google Translate, not legally binding)
GB930581A Improvements in or relating to valved sacks or the like
ES263702A1 Procedure for closing valve bags composed of paper or similar matter (Machine-translation by Google Translate, not legally binding)
DE1134925B Valve bag made of paper or the like with a valve insert made of a plastic film which shrinks when exposed to heat
DE1145990B Method for closing valve bags made of paper or the like with a valve insert consisting of a plastic film that shrinks when exposed to heat
DE1126720B Valve bag made of paper or the like with a valve insert made of a plastic film that shrinks when exposed to heat and a method for closing such valve bags
GB852453A Improvements in or relating to valved bags
GB854370A Improvements in or relating to screw conveyors
DE1105338B Cross-bottom valve bag with emptying device
DE1081823B Bale compression pack for sheet-like materials, especially bags
DE1076021B Allocation device for filling machines with automatic scales