William E Shelfantook
Inventor
Stats
- 1 US patents issued
- 1 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 1 US Patents Issued
- 1 US Applications Filed
- 90 Total Citation Count
- Feb 1, 1988 Most Recent Filing
- Feb 1, 1988 Earliest Filing
Work History
Patent Owner | Applications Filed | Year |
---|---|---|
Alberta Energy Company, Ltd. | 1
| 1988
|
PanCanadian Petroleum Limited | 1
| 1988
|
Gulf Canada Resources Limited | 1
| 1988
|
Esso Resources Canada Limited | 1
| 1988
|
Petro-Canada Inc. | 1
| 1988
|
Her Majesty the Queen in right of the Province of Alberta, as represented by the Minister of Energy and Natural Resources | 1
| 1988
|
CANADIAN OCCIDENTAL PETROLEUM LTD. | 1
| 1988
|
HBOG-OIL SANDS LIMITED PARTNERSHIP, C/O DOME PETROLEUM LTD. | 1
| 1988
|
Inventor Addresses
Address | Duration |
---|---|
#1, 11115-27 Avenue, Edmonton, Alberta, T6J 5H3, CA | Aug 22, 89 - Aug 22, 89 |
Technology Profile
Technology | Matters | |
---|---|---|
C10C: | WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID | 1 |
Patents / Publication
Patents / Publication # | Year of Publication / Issued | Title | Citations |
---|---|---|---|
4859317 | 1989 | Purification process for bitumen froth | 60 |
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