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PREUSSAG AG METALL

Overview
  • Total Patents
    81
About

PREUSSAG AG METALL has a total of 81 patent applications. Its first patent ever was published in 1970. It filed its patents most often in Germany, Australia and France. Its main competitors in its focus markets materials and metallurgy, environmental technology and packaging and shipping are SHERRITT GORDON MINES LTD, INT ORE TECHNOLOGY INC and INT NICKEL CANADA.

Patent filings per year

Chart showing PREUSSAG AG METALLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Janssen Klaus 7
#2 Janssen Klaus Dipl Ing 7
#3 Winnacker Helmut 6
#4 Zydek Arthur 5
#5 Hanusch Kunibert 5
#6 Johnen Klaus 4
#7 Hanusch Kunibert Dr Ing 3
#8 Broicher Heribert 3
#9 Gralher Manfred 3
#10 Heyer Guenter Dr 2

Latest patents

Publication Filing date Title
DE19512425A1 Device for sorting granular material
DE4004368A1 Fine coke addn. to contaminated earth before washing - aids sepn. of heavy metals and hydrocarbon(s)
DE3943022A1 Waste material contg. coke - used as adsorbent to remove hydrocarbon(s) and heavy metals from waste water
DE3808852A1 Method and apparatus for highly selective sorting of fine and very fine dry dusts having magnetic phases
DE3801430A1 Process for removing iron(III) from acid zinc salt solutions by solvent extraction
AU7515987A Process and device for carrying out chemical processes under pressure
DE3714403A1 Process and alloy for hot-galvanising
DE3631196A1 Process for removing thallium from crude lead and high-purity lead
DE3612491A1 Process for recovering lead from oxidic or oxidic/sulphatic secondary precursor materials
DE3609002A1 METHOD FOR IMPLEMENTING CHEMICAL PROCESSES UNDER PRESSURE AND DEVICE FOR IMPLEMENTING THE METHOD
DE3544767A1 Method and devices for the downward conveying of highly consistent solid/liquid mixtures in pipelines
DE3524114A1 Device for detecting fluorescing substances on the surface of the earth
DE3512946A1 DEVICE FOR PROMOTING DENSITY SUSPENSIONS AND METHOD FOR THEIR OPERATION
DE3508193A1 DEVICE FOR DETECTING FLUORESCENT SUBSTANCES ON THE EARTH SURFACE
DE3508041A1 METHOD FOR LIQUID-LIQUID EXTRACTION OF GALLIUM, GERMANIUM OR INDIUM FROM AQUEOUS SOLUTIONS
DE3429187A1 METHOD FOR PREVENTING WEAR ON THE SURFACES OF MACHINES AND DEVICES FOR PROCESSING AMOUNTS IN WATER OR HUMIDIFIED AIR, AND DEVICE FOR CARRYING OUT SUCH A METHOD
DE3426781A1 Exchangeable membrane mount for dialysis cells, in particular electrodialysis cells
DE3423631A1 METHOD FOR HYDRAULIC CONVEYING SOLIDS, AND DEVICE FOR IMPLEMENTING THE METHOD
DE3419120C1 Process for obtaining a germanium concentrate that can be processed
DE3419119C1 Process for extracting tin from low-tin oxidic or oxidic-sulfidic precursors or concentrates