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Displaying records 21 to 40 (of 161)
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| Patent #: | 957190
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| Inventor: | Christianson, Lee H. |
| Invention: | Cattle Guard |
| Location: | Calgary |
| Date: | 05/11/74 |
| Category: | Agricultural T&E; |
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| Patent #: | 949739
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| Inventor: | Clements, Frank H. |
| Invention: | Core Drilling With Air Containing Polymer in Oil |
| Location: | Tulsa, OK |
| Date: | 25/06/74 |
| Category: | Mining T&E; |
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| Patent #: | 947259
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| Inventor: | Cobuliak, Steve E. |
| Invention: | Methods, Apparatus and Systems for Measuring, Displaying and Recording Time-Rate of Penetration |
| Location: | Calgary |
| Date: | 14/05/74 |
| Category: | Weights & Measures T&E; Mining T&E; |
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| Patent #: | 953284
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| Inventor: | Cockwill, Roger G. |
| Invention: | Deflection Drilling Device |
| Location: | St. Albert |
| Date: | 20/08/74 |
| Category: | Mining T&E; |
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| Patent #: | 939905
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| Inventor: | Creighton, Stephen M |
| Invention: | Seedling Container |
| Location: | Edmonton |
| Date: | 15/01/74 |
| Category: | Agricultural T&E; |
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| Patent #: | 947049
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| Inventor: | Crozier, Arthur L. |
| Invention: | Staircase Mold Assembly |
| Location: | Calgary |
| Date: | 14/05/74 |
| Category: | Masonry T&E; |
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| Patent #: | 957910
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| Inventor: | Dalidowicz, Stanley J. |
| Invention: | Forming A Corrosion Protective Film on Pipewalls |
| Location: | Calgary |
| Date: | 19/11/74 |
| Category: | Mining T&E; |
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| Patent #: | 948133
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| Inventor: | Davitt, H. James |
| Invention: | Frustro-Conical Baffle for Hot Water Extraction Vessel |
| Location: | Fort McMurray |
| Date: | 28/05/74 |
| Category: | Mining T&E; |
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| Patent #: | 957966
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| Inventor: | Davitt, H. James |
| Invention: | Hot Water Extraction Cell Containing Two or More Deflection Baffles |
| Location: | Fort McMurray |
| Date: | 19/11/74 |
| Category: | Mining T&E; |
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| Patent #: | 959441
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| Inventor: | Davitt, H. James |
| Invention: | Hot Water Extraction Vessel Containing Honeycomb Shed Baffle |
| Location: | Fort McMurray |
| Date: | 17/12/74 |
| Category: | Mining T&E; |
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| Patent #: | 947079
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| Inventor: | Derie, Clifford F. |
| Invention: | Fishing Device |
| Location: | Calgary |
| Date: | 14/05/74 |
| Category: | Fishing & Trapping T&E; |
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| Patent #: | 949853
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| Inventor: | Dika, Jerry F. |
| Invention: | Tree Felling Apparatus |
| Location: | Rycroft |
| Date: | 25/06/74 |
| Category: | Forestry T&E; |
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| Patent #: | 949853
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| Inventor: | Dika, Michael |
| Invention: | Tree Felling Apparatus |
| Location: | Rycroft |
| Date: | 25/06/74 |
| Category: | Forestry T&E; |
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| Patent #: | 946872
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| Inventor: | Dishlevoy, Roy W. |
| Invention: | Over-Steer Device |
| Location: | Calgary |
| Date: | 07/05/74 |
| Category: | Land Transportation Accessory |
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| Patent #: | 957632
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| Inventor: | Dobson, Ernest W. |
| Invention: | Process for Reforming Heavy Naphta |
| Location: | Edmonton |
| Date: | 12/11/74 |
| Category: | Mining T&E; |
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| Patent #: | 957489
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| Inventor: | Dorosh, Michael |
| Invention: | Stud Extracting Device |
| Location: | Boyle |
| Date: | 12/11/74 |
| Category: | Construction T&E; |
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| Patent #: | 953643
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| Inventor: | Eickmeier, James R. |
| Invention: | Method for Producing High Hydrogen Sulfide Content Gas Wells |
| Location: | Calgary |
| Date: | 27/08/74 |
| Category: | Mining T&E; |
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| Patent #: | 941408
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| Inventor: | Elgert, Gus |
| Invention: | Coupler Band |
| Location: | Edmonton |
| Date: | 05/02/74 |
| Category: | Metalworking T&E; |
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| Patent #: | 948954
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| Inventor: | Ellett, James R. |
| Invention: | Toggle Linkage Valve Actuator |
| Location: | Edmonton |
| Date: | 11/06/74 |
| Category: | Mechanical T&E; |
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| Patent #: | 955146
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| Inventor: | Ellett, James R. |
| Invention: | Three-Way Pilot Valve |
| Location: | Edmonton |
| Date: | 24/09/74 |
| Category: | Unclassified T&E; |
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