Assignee
GULF CANADA LTD
13 granted patents·888 citations·filing 1975–1984
Top patents by PatentIndex Score
13 records- 0198US4501326AIn-situ recovery of viscous hydrocarbonaceous crude oilGULF CANADA LTD·Filed 1983·Granted Feb 26, 1985·408 cites·21 claims
- 0290US4485004ACatalytic hydrocracking in the presence of hydrogen donorGULF CANADA LTD·Filed 1982·Granted Nov 27, 1984·118 cites·27 claims
- 0387US4437706AHydraulic mining of tar sands with submerged jet erosionGULF CANADA LTD·Filed 1981·Granted Mar 20, 1984·114 cites·22 claims
- 0486US4434741AArctic barge drilling unitGULF CANADA LTD·Filed 1982·Granted Mar 6, 1984·54 cites·4 claims
- 0583US4294686AProcess for upgrading heavy hydrocarbonaceous oilsGULF CANADA LTD·Filed 1980·Granted Oct 13, 1981·45 cites·13 claims
- 0682US4389378AProcess using sulphate reagent for recovering vanadium from cokes derived from heavy oilsGULF CANADA LTD·Filed 1981·Granted Jun 21, 1983·25 cites·4 claims
- 0779US4271007AMethod and apparatus for the prevention of solids deposits in a tubular reactor by pulsed flowGULF CANADA LTD·Filed 1979·Granted Jun 2, 1981·31 cites·12 claims
- 0867US4472360AProcess using carbonate reagent for recovering vanadium from cokes and ashes derived from heavy oilsGULF CANADA LTD·Filed 1983·Granted Sep 18, 1984·16 cites·8 claims
- 0964US4536374AProcess using carbonate reagent for recovering vanadium from cokes and ashes derived from heavy oilsGULF CANADA LTD·Filed 1984·Granted Aug 20, 1985·14 cites·9 claims
- 1058US4479742AMobile bottom-founded caisson for arctic operationsGULF CANADA LTD·Filed 1982·Granted Oct 30, 1984·22 cites·19 claims
- 1157US4135022ABuilt-up roofing using sulfur asphaltGULF CANADA LTD·Filed 1975·Granted Jan 16, 1979·24 cites·5 claims
- 1256US4461624ABeneficiation of low-rank coals by immersion in residuumGULF CANADA LTD·Filed 1983·Granted Jul 24, 1984·11 cites·20 claims
- 1336US4335265ARobot tapping electrode for electric arc furnacesGULF CANADA LTD·Filed 1980·Granted Jun 15, 1982·6 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →