Learn more

GRAU FEINWERKTECH

Overview
  • Total Patents
    24
About

GRAU FEINWERKTECH has a total of 24 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Germany, EPO (European Patent Office) and Finland. Its main competitors in its focus markets chemical engineering, measurement and packaging and shipping are SEITZ SCHENK FILTERSYSTEMS GMB, PATERSON & COOKE IDEAS LTD and GAO XUEZHEN.

Patent filings in countries

World map showing GRAU FEINWERKTECHs patent filings in countries
# Country Total Patents
#1 Germany 18
#2 EPO (European Patent Office) 2
#3 Finland 2
#4 Norway 2

Patent filings per year

Chart showing GRAU FEINWERKTECHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Linser Joerg 4
#2 Baur Rolf Dipl Ing 3
#3 Linser Joerg Prof Dipl-Ing 2
#4 Geiss Rudolf Dipl Ing 2
#5 Neu Werner Dipl Ing Dr 1
#6 Baur Rolf Dipl-Ing 1

Latest patents

Publication Filing date Title
DE3613844A1 Plate filter press
DE3600526A1 Membrane filter press
DE3504152A1 Process for separating a suspension under pressure in a filter press having membrane filter chambers
DE3441718A1 Plate filter press
DE3431500C1 Plate filter
DE3410706A1 Filter chamber
DE3405483A1 Rotary disc filter element for boiler filters
DE3315500A1 Membrane filter press
DE3307631A1 Chamber filter press
DE3307632A1 Plate filter
DE3245620A1 Screw press
DE3241480A1 Device for removing pourable material from sacks and for disposal of the empty packing
DE3241470A1 Process and equipment for the wet mixing of pulverulent solids or granules with liquids
DE3228685A1 Endurance tester for motor-vehicle safety belts
DE3222989A1 PLATE FILTER
DE3222987A1 PLATE FILTER
DE3222988A1 Filter plate
DE3216957A1 Membrane filter plate