Assignee
CITGO PETROLEUM CORP
US·7 granted patents·1 pending application·149 citations·filing 1984–2018
Top patents by PatentIndex Score
8 records- 0190US6039844AContainment system for coke drumsCITGO PETROLEUM CORP·Filed 1998·Granted Mar 21, 2000·70 cites·17 claims
- 0274US7574981B1Apparatus and method for improving the durability of a cooling tube in a fire tube boilerCITGO PETROLEUM CORP·Filed 2006·Granted Aug 18, 2009·12 cites·1 claims
- 0365US4781252AStorage tank fire extinguishing apparatusCITGO PETROLEUM CORP·Filed 1988·Granted Nov 1, 1988·41 cites·16 claims
- 0456US5795445AMethod of controlling the quench of coke in a coke drumCITGO PETROLEUM CORP·Filed 1996·Granted Aug 18, 1998·17 cites·9 claims
- 0541US10968399B2Online coke removal in a heater passCITGO PETROLEUM CORP·Filed 2018·Granted Apr 6, 2021·0 cites·29 claims
- 0634US5827403AMethod of designing and manufacturing a delayed coker drumCITGO PETROLEUM CORP·Filed 1996·Granted Oct 27, 1998·5 cites·9 claims
- 0726US2002157987A1Apparatus and method for accumulating cokeCITGO PETROLEUM CORP·Filed 2001·Application pending·0 cites
- 0818US4602870AMethod and apparatus for determining the presence or absence of a pour point depressant additive in hydrocarbon liquidsCITGO PETROLEUM CORP·Filed 1984·Granted Jul 29, 1986·4 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when CITGO PETROLEUM CORP 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 →