Erdal Yildirim

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Process for recovery of hydrocarbons and rejection of sand
- Patent number 5,340,467
- Issue date Aug 23, 1994
- Canadian Occidental Petroleum Ltd.
- Armand A. Gregoli
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Process for recovery of hydrocarbons and rejection of sand
- Patent number 5,316,664
- Issue date May 31, 1994
- Canadian Occidental Petroleum, Ltd.
- Armand A. Gregoli
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Process for producing bitumen
- Patent number 5,083,613
- Issue date Jan 28, 1992
- Canadian Occidental Petroleum, Ltd.
- Armand A. Gregoli
- E21 - EARTH DRILLING MINING