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HAMBURGER STAHLWERKE GMBH

Overview
  • Total Patents
    65
About

HAMBURGER STAHLWERKE GMBH has a total of 65 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Germany, United States and United Kingdom. Its main competitors in its focus markets materials and metallurgy, environmental technology and thermal processes are SIEMENS VAI METALS TECH GMBH, VOEST ALPINE IND ANLAGEN and VOEST ALPINE IND GMBH.

Patent filings per year

Chart showing HAMBURGER STAHLWERKE GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Foerster Eckehard 7
#2 Papst Gero 7
#3 Roepke Guenther 6
#4 Reumann Manfred 6
#5 Forster Eckehard 5
#6 Stercken Karl 5
#7 Schwerdtfeger Joachim 4
#8 Toepfer Hans-Joerg 3
#9 Ameling Dieter 3
#10 Foerster Eckehard Prof Dr-Ing 3

Latest patents

Publication Filing date Title
DE4425089C1 Process for controlling foam slag formation in a three-phase arc furnace
DE3919836A1 METHOD AND SYSTEM FOR COUPLING THE INITIAL WINDINGS AND / OR FINAL TURNS OF A WIRE HARNESS
EP0307603A2 Wire-rolling mill
DE3730745C1 Rod rolling mill
DE3625207C1 Process for the direct reduction of iron ores and equipment therefor
DE3625208C1 Process for the direct reduction of iron ores using a natural gas with contents of butane or higher hydrocarbons, and equipment therefor
DE3541909C1 Process for cooling oxygen injection nozzles during the oxygen treatment of pig iron or steel
DE3521569A1 Process and equipment for preheating scrap to be introduced into an electric furnace
DE3148550A1 Method for disposing of sewage sludge
DE3138145A1 Process for the direct reduction of iron ore
DE3048711A1 METHOD FOR COOLING STRINGS IN STEEL CASTING
IT7950265D0 Screening device for stream of molten metal
DE2929500A1 Telescopic shroud for molten metal stream - esp. for providing gas curtain round stream of metal flowing into mould in continuous casting plant
GB2016124A Rocess and apparatus for the direct reduction of iron ores
DE2840945A1 METHOD FOR PUTTING IRON SPONGE IN AN ELECTRIC ARC FURNACE
DE2834746A1 SHIELDING DEVICE FOR A LIQUID METAL SPRAYER
DE2810701A1 Iron ore direct reduction in shaft furnace - using reduction gas streams to distribute recycled top gas stream throughout furnace
DE2810657B1 Process for the direct reduction of iron ores
GB1595281A Method of continuously cooling rolled wire
DE2717780A1 METHOD FOR MANUFACTURING ROLLED WIRE