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Single slot impeller bleed
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Patent number 6,183,195
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Issue date Feb 6, 2001
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Pratt & Whitney Canada Corp.
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Eric Tremaine
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Sealing of T.O.B.I feed plenum
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Patent number 6,179,555
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Issue date Jan 30, 2001
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Pratt & Whitney Canada Corp.
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Eric Tremaine
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Isolated oil feed
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Patent number 6,102,577
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Issue date Aug 15, 2000
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Pratt & Whitney Canada Corp.
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Eric Tremaine
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Soft bearing support
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Patent number 6,099,165
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Issue date Aug 8, 2000
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Pratt & Whitney Canada Corp.
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Eric Tremaine
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Handling bleed valve
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Patent number 5,477,673
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Issue date Dec 26, 1995
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Pratt & Whitney Canada Inc.
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Daniel Blais
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Variable inlet guide vane mechanism
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Patent number 4,890,977
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Issue date Jan 2, 1990
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Pratt & Whitney Canada, Inc.
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Eric Tremaine
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES