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PFEIFFER BARBAROSSAWERKE A G G

Overview
  • Total Patents
    38
About

PFEIFFER BARBAROSSAWERKE A G G has a total of 38 patent applications. Its first patent ever was published in 1924. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets machines, chemical engineering and materials and metallurgy are DOO JE CO LTD, ERNST CURT LOESCHE and Henan zhongyu dingli intelligent equipment co ltd.

Patent filings in countries

World map showing PFEIFFER BARBAROSSAWERKE A G Gs patent filings in countries
# Country Total Patents
#1 Germany 17
#2 France 7
#3 United Kingdom 6
#4 Canada 3
#5 Belgium 2
#6 Austria 1
#7 Spain 1
#8 United States 1

Patent filings per year

Chart showing PFEIFFER BARBAROSSAWERKE A G Gs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schauer Siegfried 4
#2 Kallenbach Helmuth 1
#3 Pollert Dr Otto 1
#4 Siegfried Schauer 1

Latest patents

Publication Filing date Title
ES421795A3 Cranking device for vertical axle cylinder mills. (Machine-translation by Google Translate, not legally binding)
DE1282231B Plaster cooker
DE1208159B Ball or roller grinder
GB962606A Improvements in or relating to roller mills
DE1253024B Roller grinder
DE1117978B Roller grinder
DE1107141B System for the continuous extinguishing and drying of quick lime
GB773064A A process and appliance for separating finely ground stock from a gaseous medium
GB771185A Improvements relating to rotary roller mills
DE972773C Circulating air sifter
DE957435C Roller grinder
GB462083A Improved pendulum or spring roller mill
DE640029C Pendulum or spring roller mill
DE628007C Pretreatment device for rotary kilns for burning limestone mixtures, ores, etc.
DE537056C Composite mill
DE450484C Ring mill
DE410385C Fan for windsifter with variable blades
DE463922C Three-roller ring mill
DE488339C Rotary furnace cooler, the individual cooling tubes of which are arranged in a wreath around the furnace drum
CA838107A Roller mill for grinding