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GRUBBENS & CO AKTIEBOLAG

Overview
  • Total Patents
    25
About

GRUBBENS & CO AKTIEBOLAG has a total of 25 patent applications. Its first patent ever was published in 1959. It filed its patents most often in Austria, France and United Kingdom. Its main competitors in its focus markets textiles and paper, chemical engineering and machines are E H HUGO GREFFENIUS DIPL ING D, Henan zhongyu dingli intelligent equipment co ltd and GUILIN SHENGXING MACHINERY MFG CO LTD.

Patent filings in countries

World map showing GRUBBENS & CO AKTIEBOLAGs patent filings in countries

Patent filings per year

Chart showing GRUBBENS & CO AKTIEBOLAGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lennart Wallen Emil Olof 4
#2 August Neumann Frank Peter 1
#3 Lennart Emil Olof 1
#4 Bergquist Tage 1
#5 Wallen Lennart 1

Latest patents

Publication Filing date Title
FR1454632A Screen
GB1117647A Screen
US3376976A Screen
FR1406858A Improvements to cyclone type separators
GB1018743A Improvements in a cyclone separator
FR1316117A Improvements to grinding devices
GB897207A Apparatus for producing pulp for paper manufacture
FR1245815A Improvements to machines for forming pulps or paper pulps
US3035781A Pulpers
GB880229A A basic blast-furnace slag/gypsum mixture for use in the manufacture of plaster boards
DE1146425B Process for the production of plasterboard
IE23658L Plaster boards
FR1235188A Plasterboards and process for their preparation