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Differential quench method and apparatus
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Issue date Apr 23, 2002
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IPSCO Enterprises Inc.
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent number 6,024,646
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Issue date Feb 15, 2000
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IPSCO Enterprises Inc.
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Melt shop layout
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Patent number 5,628,958
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Issue date May 13, 1997
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IPSCO Enterprises Inc.
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C21 - METALLURGY OF IRON
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Modular table roll with water bath
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Patent number 5,535,599
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Issue date Jul 16, 1996
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IPSCO Enterprises Inc.
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Pipe coupling
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Patent number 5,468,029
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Issue date Nov 21, 1995
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IPSCO Enterprises Inc.
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E21 - EARTH DRILLING MINING
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Pipe coupling
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Patent number 5,348,350
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Issue date Sep 20, 1994
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IPSCO Enterprises Inc.
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E21 - EARTH DRILLING MINING
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Patent number 5,337,792
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Issue date Aug 16, 1994
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IPSCO Enterprises Inc.
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Pipe coupling
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Patent number 5,330,239
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Issue date Jul 19, 1994
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IPSCO Enterprises Inc.
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E21 - EARTH DRILLING MINING
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Aluminum-manganese-iron steel alloy
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Issue date Jul 31, 1990
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Ipsco Enterprises, Inc.
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...