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MIDREX INT BV

Overview
  • Total Patents
    114
About

MIDREX INT BV has a total of 114 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Germany and Austria. Its main competitors in its focus markets materials and metallurgy, environmental technology and basic materials chemistry are HYLSA SA, MIDREX CORP and MIDREX INTERNAT B V.

Patent filings per year

Chart showing MIDREX INT BVs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hoffman Glenn E 21
#2 Meissner David C 19
#3 Meissner David Charles 16
#4 Sanzenbacher Charles Walter 10
#5 Scarlett John Combs 9
#6 Summers Frank Virgil 9
#7 Brown Ronald 7
#8 Summers Frank V 6
#9 Beggs Donald 6
#10 Hoffman Glenn Edward 6

Latest patents

Publication Filing date Title
US6749664B1 Furnace hearth for improved molten iron production and method of operation
US6602317B2 Method and apparatus for controlling temperature uniformity of the burden in a direct reduction shaft furnace
US6582491B2 Method for producing molten iron in duplex furnaces
US5885521A Apparatus for rapid reduction of iron oxide in a rotary hearth furnace
US5674308A Spouted bed circulating fluidized bed direct reduction system and method
US5618032A Shaft furnace for production of iron carbide
US5730775A Method for rapid reduction of iron oxide in a rotary hearth furnace
US5435831A Circulating fluidizable bed co-processing of fines in a direct reduction system
US5431711A Circulating fluidized bed direct reduction system
US5437708A Iron carbide production in shaft furnace
US4985068A Method and apparatus for smelting iron oxide
US4900356A Process and apparatus for producing metallized pellets and scrubbing spent reducing gas
GB8713005D0 Method and apparatus for producing upgraded synthetic fuel gas from coal
GB8713004D0 Method and apparatus for dedusting and desulfurizing gases
GB8707680D0 Improved process for producing metallized pellets
US4731112A Method of producing ferro-alloys
US4728358A Iron bearing briquet and method of making
US4701214A Method of producing iron using rotary hearth and apparatus
US4702766A Method of increasing carbon content of direct reduced iron and apparatus
US4752329A Apparatus and method for increasing carbon content of hot directly reduced iron