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AK STEEL PROPERTIES INC

Overview
  • Total Patents
    393
  • GoodIP Patent Rank
    5,331
  • Filing trend
    ⇩ 26.0%
About

AK STEEL PROPERTIES INC has a total of 393 patent applications. It decreased the IP activity by 26.0%. Its first patent ever was published in 2001. It filed its patents most often in Republic of Korea, United States and Canada. Its main competitors in its focus markets materials and metallurgy, surface technology and coating and machine tools are SALZGITTER FLACHSTAHL GMBH, ZALTSGITTER FLAKHSHTAL GMBKH and ARCELORMITTAL.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Thomas Grant Aaron 71
#2 Pavlina Erik James 30
#3 Garza-Martinez Luis Gonzalo 28
#4 Paraskos George A 24
#5 Myers Frederick Alan 24
#6 Cadotte Daniel J 22
#7 Rodabaugh Ronald D 22
#8 Gill Amrinder Singh 21
#9 Higa Ken Morales 21
#10 Schoen Jerry W 18

Latest patents

Publication Filing date Title
WO2020206193A1 Joining of al-si coated press hardened steel using flash butt welding
WO2020206194A1 Shielding and cooling a continuous weld between steel sheets/plates using a non-oxidizing atmosphere to reduce the formation of oxide on a surface of the continuous weld
WO2020172554A1 Reduction and removal of process oxides on stainless steel
US2019376171A1 Roll for use in a hot dip coating line
CA3103994A1 Method of colorizing stainless steel using strip anneal processing
US2019300995A1 Low alloy third generation advanced high strength steel and process for making
WO2019191399A1 Polymer laminate on zinc-phosphate coated galvanized steel
EP3765642A1 Reduction at elevated temperature of coated steels containing metastable austenite
WO2020159505A1 Method and apparatus for extending the campaign life of stabilizers for a coating line
US2019161842A1 Method and apparatus for extending the campaign life of stabilizers for a coating line
CN111655399A Submerged entry nozzle for continuous casting
CA3083791A1 A roll for use in a hot dip coating line
EP3704281A1 Press hardened steel with tailored properties
US2019126401A1 Press hardened steel with tailored properties after novel thermal treatment
TW201919788A Manufacturing ultra-high strength load bearing parts using high strength/low initial yield steels through tubular hydroforming process
TW201920693A A method for facilitating thermomechanical forming process of austenite containing grades to produce tailored strength structural components
WO2018208878A1 Slab reheat furnace skid button aiming to reduce gouge of stainless steel slabs
WO2018160700A1 Hot-rolled steel with very high strength and method for production
US2018251875A1 Press hardened steel with extremely high strength and method for production
WO2018098485A1 Method for production for press hardened steel with increased toughness