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LONE STAR STEEL CO

Overview
  • Total Patents
    74
About

LONE STAR STEEL CO has a total of 74 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United States, Germany and Spain. Its main competitors in its focus markets chemical engineering, materials and metallurgy and machines are DRORI M, NEUMANN JENS and ANDREAE ERHARD CHARLES.

Patent filings per year

Chart showing LONE STAR STEEL COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Holland Orvis L 12
#2 Ewan Thomas K 12
#3 Bass Malley R 9
#4 Frier James L 8
#5 Greer James Brison 6
#6 Ewan T 5
#7 Holland O 5
#8 Means Jennings D 5
#9 Holland O L 4
#10 Ziegler Joseph 4

Latest patents

Publication Filing date Title
US2004174017A1 Tubular goods with expandable threaded connections
US2004118569A1 Tubular members and threaded connections for casing drilling and method
US4502669A Inside-outside tube quenching apparatus
US4511124A Method and composition for fluidization of accumulated pit scrap in soaking pits
US4508375A Tubular connection
US4394189A High performance tubulars for critical oil country applications and improved process for their preparation
US4417928A Inside-outside tube quenching method
US4354882A High performance tubulars for critical oil country applications and process for their preparation
US4272499A Process and apparatus for the removal of particulate matter and reactive or water soluble gases from carrier gases
ZA7606846B Apparatus and process for the removal of pollutant material from gas streams
US4141701A Apparatus and process for the removal of pollutant material from gas streams
US3912469A Apparatus for the removal of contaminants from gas streams
RO64000A Process for the purification of industrial gases
US3852409A Process for the removal of particulate matter and acidic gases from carrier gases
US3852408A Process for the removal of sulfur dioxide from carrier gases
US3726319A Compression seal plug
US3690348A Traveling valve
FR2066395A5 Scrubbing of gas for solids/soluble gases - removal
US2470889A Method and apparatus for separating magnetic from nonmagnetic materials