Assignee
LONE STAR STEEL CO
US·9 granted patents·2 pending applications·396 citations·filing 1976–2004
Top patents by PatentIndex Score
11 records- 0190US4354882AHigh performance tubulars for critical oil country applications and process for their preparationLONE STAR STEEL CO·Filed 1981·Granted Oct 19, 1982·43 cites·23 claims
- 0290US4141701AApparatus and process for the removal of pollutant material from gas streamsLONE STAR STEEL CO·Filed 1976·Granted Feb 27, 1979·101 cites·24 claims
- 0385US4272499AProcess and apparatus for the removal of particulate matter and reactive or water soluble gases from carrier gasesLONE STAR STEEL CO·Filed 1979·Granted Jun 9, 1981·66 cites·21 claims
- 0483US6817633B2Tubular members and threaded connections for casing drilling and methodLONE STAR STEEL CO·Filed 2002·Granted Nov 16, 2004·110 cites·22 claims
- 0570US4508375ATubular connectionLONE STAR STEEL CO·Filed 1982·Granted Apr 2, 1985·53 cites·4 claims
- 0664US4394189AHigh performance tubulars for critical oil country applications and improved process for their preparationLONE STAR STEEL CO·Filed 1982·Granted Jul 19, 1983·15 cites·23 claims
- 0735US2004194278A1Tubular goods with expandable threaded connectionsLONE STAR STEEL CO·Filed 2004·Application pending·0 cites
- 0834US4417928AInside-outside tube quenching methodLONE STAR STEEL CO·Filed 1982·Granted Nov 29, 1983·5 cites·8 claims
- 0930US2004174017A1Tubular goods with expandable threaded connectionsLONE STAR STEEL CO·Filed 2003·Application pending·0 cites
- 1028US4502669AInside-outside tube quenching apparatusLONE STAR STEEL CO·Filed 1983·Granted Mar 5, 1985·3 cites·7 claims
- 1118US4511124AMethod and composition for fluidization of accumulated pit scrap in soaking pitsLONE STAR STEEL CO·Filed 1983·Granted Apr 16, 1985·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when LONE STAR STEEL CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →