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AK STEEL CORP

Overview
  • Total Patents
    70
About

AK STEEL CORP has a total of 70 patent applications. Its first patent ever was published in 1990. It filed its patents most often in EPO (European Patent Office), United States and Canada. Its main competitors in its focus markets surface technology and coating, machine tools and machines are BERRY HINGE LTD, TOMIZAWA ATSUSHI and SAPIM AMADA SPA.

Patent filings per year

Chart showing AK STEEL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Meneice David J 17
#2 Boston Steven L 17
#3 Kleimeyer David L 12
#4 Roper Ralph E 11
#5 Martin Ralph W 7
#6 Webb Gary A 6
#7 Sennet John P 5
#8 Barney Gerald L 5
#9 Guzzetta Franklin H 5
#10 Flinchum Charles 5

Latest patents

Publication Filing date Title
US6929705B2 Antimicrobial coated metal sheet
US6582520B1 Dross collecting zinc pot
US6096183A Method of reducing defects caused by conductor roll surface anomalies using high volume bottom sprays
US5961285A Method and apparatus for removing bottom dross from molten zinc during galvannealing or galvanizing
US5452790A Mounting system for a roller table
US5538559A Bearing support system for a roll submerged in a molten metal coating bath
EP0510249A2 Cold reduced non-aging deep drawing steel and method for producing