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J & L SPECIALTY STEEL INC

Overview
  • Total Patents
    13
About

J & L SPECIALTY STEEL INC has a total of 13 patent applications. Its first patent ever was published in 1995. It filed its patents most often in United States, EPO (European Patent Office) and Brazil. Its main competitors in its focus markets machine tools, materials and metallurgy and surface technology and coating are ALLIS THOMAS V, CF & I STEEL LP and EDWARD A LANGENBACH.

Patent filings per year

Chart showing J & L SPECIALTY STEEL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mcguire Michael F 11
#2 Price Lee 2
#3 Senzarin-Kulik Kelley L 1
#4 Perkins Timm F 1
#5 Senzarin-Kulik Kelly L 1
#6 Maikeru Efu Magaia 1
#7 Mccabe Richard W 1
#8 Denoi Anthony J 1

Latest patents

Publication Filing date Title
US6301943B1 Method for finishing cold-rolled stainless steel
US6261702B1 Embossed rolled steel and embossing roll and method for making the same
EP0923420A1 Brushing process for corrosion and oxidation resistance
US5830291A Method for producing bright stainless steel
CA2139522A1 Continuous method for producing final gauge stainless steel product