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.
# | Country | Total Patents | |
---|---|---|---|
#1 | EPO (European Patent Office) | 16 | |
#2 | United States | 11 | |
#3 | Canada | 7 | |
#4 | Australia | 5 | |
#5 | Finland | 4 | |
#6 | Brazil | 3 | |
#7 | China | 3 | |
#8 | Taiwan | 3 | |
#9 | WIPO (World Intellectual Property Organization) | 3 | |
#10 | Bosnia and Herzegovina | 2 | |
#11 | India | 2 | |
#12 | Japan | 2 | |
#13 | Republic of Korea | 2 | |
#14 | South Africa | 2 | |
#15 | Argentina | 1 | |
#16 | Hungary | 1 | |
#17 | Poland | 1 | |
#18 | Russian Federation | 1 | |
#19 | Yugoslavia (Serbia and Montenegro) | 1 |
# | Industry | |
---|---|---|
#1 | Surface technology and coating | |
#2 | Machine tools | |
#3 | Machines | |
#4 | Mechanical elements | |
#5 | Engines, pumps and turbines | |
#6 | Materials and metallurgy |
# | 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 |
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 |