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Displaying records 81 to 100 (of 125)
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Patent #: | 970763
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Inventor: | Mason, Leonard |
Invention: | Valve Sleeve for use in Association with Oilfield Hydraulic Jar Tool |
Location: | Edmonton |
Date: | 08/07/75 |
Category: | Mining T&E; |
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Patent #: | 974974
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Inventor: | Mason, Leonard |
Invention: | Jarring and Bumping Tool for Use in Oilfield Drilling Strings |
Location: | Edmonton |
Date: | 23/09/75 |
Category: | Mining T&E; |
Comments: | re-issue of 931,136 |
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Patent #: | 965470
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Inventor: | Mitchell, David G. |
Invention: | Casework System |
Location: | Cochrane |
Date: | 01/04/75 |
Category: | Furniture |
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Patent #: | 969497
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Inventor: | Mitchell, David L. |
Invention: | Preparation of Mineral Free Asphaltenes |
Location: | Edmonton |
Date: | 17/06/75 |
Category: | Mining T&E; |
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Patent #: | 960436
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Inventor: | Montgomery, Neal R. |
Invention: | Method for Recovery of Elemental Sulfur from Sour Gas |
Location: | Tulsa, OK |
Date: | 07/01/75 |
Category: | Mining T&E; |
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Patent #: | 974084
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Inventor: | Nicolas, Yves |
Invention: | Apparatus for Measuring the Proportions of Fluids Flowing in a Production Well |
Location: | France |
Date: | 09/09/75 |
Category: | Mining T&E; |
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Patent #: | 974563
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Inventor: | Nodwell, John H. |
Invention: | Segmented Vehicle Track |
Location: | Calgary |
Date: | 16/09/75 |
Category: | Land Transportation Accessory |
Comments: | see above |
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Patent #: | 969458
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Inventor: | Palynchuk, Alexander |
Invention: | Pipe Bending |
Location: | Edmonton |
Date: | 17/06/75 |
Category: | Metalworking T&E; |
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Patent #: | 978475
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Inventor: | Paulson, Peter O. |
Invention: | Animal Repellent Composition and Applicator |
Location: | Calgary |
Date: | 25/11/75 |
Category: | Chemical T&E; |
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Patent #: | 962422
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Inventor: | Philip, Richard |
Invention: | Wall Frame for a Foldable Steel Building |
Location: | Calgary |
Date: | 11/02/75 |
Category: | Building Fragment |
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Patent #: | 967770
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Inventor: | Pobihushchy, Victor |
Invention: | Pile Hole Drilling and Belling Aparatus |
Location: | Red Deer |
Date: | 20/05/75 |
Category: | Mining T&E; |
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Patent #: | 980258
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Inventor: | Postma, Peter M. |
Invention: | Exhaust Gas Silencer |
Location: | Fort Saskatchewan |
Date: | 23/12/75 |
Category: | Mining T&E; |
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Patent #: | 975033
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Inventor: | Pusch, Allen A. |
Invention: | Toothed Wheel |
Location: | Calgary |
Date: | 23/09/75 |
Category: | Land Transportation Accessory |
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Patent #: | 966965
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Inventor: | Rabel, Imre |
Invention: | Method and Apparatus for Belling Plastic Pipe |
Location: | Edmonton |
Date: | 06/05/75 |
Category: | Glass & Plastics T&E; |
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Patent #: | 966379
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Inventor: | Rasmussen, Aksel |
Invention: | Exhaust Gas Recirculator and Valve Therefor |
Location: | Tofield |
Date: | 22/04/75 |
Category: | Power Production T&E; |
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Patent #: | 964640
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Inventor: | Reaugh, Luther G. |
Invention: | Non-Rotating Sleeve Stabilizer for Drilling Strings |
Location: | St. Albert |
Date: | 18/03/75 |
Category: | Mining T&E; |
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Patent #: | 964616
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Inventor: | Reid, Charles M. |
Invention: | Compound Hydrocyclone Having Grooved Under Flow Wall(s) |
Location: | Calgary |
Date: | 18/03/75 |
Category: | Mining T&E; |
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Patent #: | 968639
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Inventor: | Rolleman, Jack |
Invention: | Apparatus for Salvaging Oil From Sunken Vessels |
Location: | Edmonton |
Date: | 03/06/75 |
Category: | Mining T&E; |
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Patent #: | 966965
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Inventor: | Ronden, Clifford P. |
Invention: | Method and Apparatus for Belling Plastic Pipe |
Location: | Edmonton |
Date: | 06/05/75 |
Category: | Glass & Plastics T&E; |
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Patent #: | 965365
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Inventor: | Rose, David E. |
Invention: | Hot Water Extraction Vessel Containing Concentric Ring Shed Baffles |
Location: | Fort McMurray |
Date: | 01/04/75 |
Category: | Mining T&E; |
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