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LTV STEEL CO INC

Overview
  • Total Patents
    122
About

LTV STEEL CO INC has a total of 122 patent applications. Its first patent ever was published in 1982. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets materials and metallurgy, measurement and thermal processes are CENTRO SPERIMENT METALLURG, YAWATA IRON & STEEL CO and KAWASAKI STEEL K K.

Patent filings per year

Chart showing LTV STEEL CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lauer Barry A 19
#2 Kim Chung S 16
#3 Anderson Jeffrey P 12
#4 Harris Richard M 11
#5 Petrushka Robert G 11
#6 Goodson Kenneth M 10
#7 Watkins Richard R 9
#8 Goodson Ken M 9
#9 Toth James M 8
#10 Abramczyk Richard F 8

Latest patents

Publication Filing date Title
US6518533B1 High strength steel tubing
US6250521B1 Preventing air aspiration in slide gate plate throttling mechanisms
US6221501B1 Steel with electrically insulating hematite layer
AU2251699A Preventing pencil pipe defects in steel
US6231686B1 Formability of metal having a zinc layer
US6158572A Water driven roller for hot strip mill sideguides
US6231685B1 Electrical steel with improved magnetic properties in the rolling direction
US6016941A Submerged entry nozzle
US6120577A Treatment of steel mill waste metal oxides
US6068708A Process of making electrical steels having good cleanliness and magnetic properties
US6217673B1 Process of making electrical steels
US5885323A Foamy slag process using multi-circuit lance
US5897684A Basic oxygen process with iron oxide pellet addition
US5865876A Multipurpose lance
US5830259A Preventing skull accumulation on a steelmaking lance
US5885328A Method of agglomerating oil-containing steel mill waste
US5798001A Electrical steel with improved magnetic properties in the rolling direction
EP0684320A1 Process of making electrical steels
US5539768A Electric arc furnace electrode consumption analyzer
US5584909A Controlled foamy slag process