Assignee
GREAT CANADIAN OIL SANDS
15 granted patents·257 citations·filing 1973–1976
Top patents by PatentIndex Score
15 records- 0184US3990885AProcess for recovering hydrocarbons and heavy minerals from a tar sand hot water process waste streamGREAT CANADIAN OIL SANDS·Filed 1974·Granted Nov 9, 1976·38 cites·7 claims
- 0283US3936358AMethod of controlling the feed rate of quench water to a coking drum in response to the internal pressure thereinGREAT CANADIAN OIL SANDS·Filed 1974·Granted Feb 3, 1976·27 cites·2 claims
- 0381US4033853AProcess and apparatus for heating and deaerating raw bituminous frothGREAT CANADIAN OIL SANDS·Filed 1976·Granted Jul 5, 1977·27 cites·3 claims
- 0480US3969220AAerating tar sands-water mixture prior to settling in a gravity settling zoneGREAT CANADIAN OIL SANDS·Filed 1974·Granted Jul 13, 1976·22 cites·1 claims
- 0576US3931006AMethod of reducing sludge accumulation from tar sands hot water processGREAT CANADIAN OIL SANDS·Filed 1974·Granted Jan 6, 1976·19 cites·1 claims
- 0667US3933651ARecovering bitumen from large water surfacesGREAT CANADIAN OIL SANDS·Filed 1974·Granted Jan 20, 1976·32 cites·1 claims
- 0764US3953318AMethod of reducing sludge accumulation from tar sands hot water processGREAT CANADIAN OIL SANDS·Filed 1974·Granted Apr 27, 1976·11 cites·2 claims
- 0860US3986592AHot water extraction cell containing two or more deflection bafflesGREAT CANADIAN OIL SANDS·Filed 1974·Granted Oct 19, 1976·20 cites·1 claims
- 0953US3998702AApparatus for processing bituminous frothGREAT CANADIAN OIL SANDS·Filed 1975·Granted Dec 21, 1976·20 cites·11 claims
- 1052US4008146AMethod of sludge disposal related to the hot water extraction of tar sandsGREAT CANADIAN OIL SANDS·Filed 1975·Granted Feb 15, 1977·12 cites·11 claims
- 1150US3951779AImproved hydroseparation process for aqueous extraction of bitumen from tar sandsGREAT CANADIAN OIL SANDS·Filed 1974·Granted Apr 20, 1976·6 cites·6 claims
- 1250US3951800AMethod of storing sludge recovered from the hot water extraction of bitumen from tar sandsGREAT CANADIAN OIL SANDS·Filed 1974·Granted Apr 20, 1976·6 cites·1 claims
- 1348US4018664AMethod for reducing mineral content of sludgeGREAT CANADIAN OIL SANDS·Filed 1975·Granted Apr 19, 1977·10 cites·4 claims
- 1431US4018665ARecycling aerated scavenged middlings to conditioning step of hot water extraction processGREAT CANADIAN OIL SANDS·Filed 1976·Granted Apr 19, 1977·3 cites·5 claims
- 1529US4018861AMethod for preparing consumable electroslag guide nozzleGREAT CANADIAN OIL SANDS·Filed 1973·Granted Apr 19, 1977·4 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →