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Cooling passages for airfoil leading edge
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Patent number 5,779,437
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Issue date Jul 14, 1998
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Pratt & Whitney Canada Inc.
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William Abdel-Messeh
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Gas turbine airfoil cooling
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Patent number 5,711,650
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Issue date Jan 27, 1998
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Pratt & Whitney Canada, Inc.
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Ian Tibbott
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Offset ribs for heat transfer surface
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Patent number 5,052,889
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Issue date Oct 1, 1991
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Pratt & Whintey Canada
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William Abdel-Messeh
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Blade cooling for gas turbine engine
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Patent number 4,416,585
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Issue date Nov 22, 1983
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Pratt & Whitney Aircraft of Canada Limited
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William Abdel-Messeh
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES