Interprovincial Pipe Line Company

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Pipeline repair sleeve assembly having heat sink groove
- Patent number 5,199,464
- Issue date Apr 6, 1993
- Interprovincial Pipe Line, Inc.
- Donald D. Savard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Temporary disintegratable plug for an open-ended oil pipeline
- Patent number 5,186,214
- Issue date Feb 16, 1993
- Interprovincial Pipe Line Company
- Donald D. Savard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Fluid actuated pipe clamp tightener
- Patent number 5,012,842
- Issue date May 7, 1991
- Interprovincial Pipe Line Company
- Donald D. Savard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of controlling hardness of pipe weld-joints by radially inse...
- Patent number 4,885,044
- Issue date Dec 5, 1989
- Interprovincial Pipe Line Company
- Donald D. Savard
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Vapor plug for temporarily sealing or plugging a pipeline
- Patent number 4,875,615
- Issue date Oct 24, 1989
- Interprovincial Pipe Line Company
- Donald D. Savard
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR