Patent assignee · US · COMPANY

Lone Star Steel Company, L.P.

11Patents
0Active
11Granted
32Portfolio score

Filing activity: Nov 1, 1976 → Jan 19, 2005

Most-cited patents

PatentTitleAreaCited byStatus
US6817633B2 Tubular members and threaded connections for casing drilling and method Fixed Constructions 83 Expired
US4141701A Apparatus and process for the removal of pollutant material from gas streams Emerging Cross-Sectional Technologies 48 Expired
US4272499A Process and apparatus for the removal of particulate matter and reactive or water soluble gases from carrier gases Emerging Cross-Sectional Technologies 36 Expired
US4508375A Tubular connection Fixed Constructions 35 Expired
US4354882A High performance tubulars for critical oil country applications and process for their preparation Chemistry; Metallurgy 31 Expired
US4394189A High performance tubulars for critical oil country applications and improved process for their preparation Chemistry; Metallurgy 9 Expired
US7169239B2 Solid expandable tubular members formed from very low carbon steel and method Emerging Cross-Sectional Technologies 9 Expired
US4417928A Inside-outside tube quenching method Chemistry; Metallurgy 3 Expired
US4502669A Inside-outside tube quenching apparatus Chemistry; Metallurgy 1 Expired
US7290424B2 Push bench method for manufacturing small diameter tubing Emerging Cross-Sectional Technologies 0 Expired
US4511124A Method and composition for fluidization of accumulated pit scrap in soaking pits Emerging Cross-Sectional Technologies 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.