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Centrifugal pump diffuser ring assembly
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Patent number 5,133,638
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Issue date Jul 28, 1992
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Sundstrand Corporation
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Duane C. Mosure
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Centrifugal pump
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Patent number 5,090,868
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Issue date Feb 25, 1992
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Sundstrand Corporation
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Duane C. Mosure
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Mechanical shaft seal
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Patent number 4,948,336
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Issue date Aug 14, 1990
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Sundstrand Corporation
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Duane Mosure
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Self-priming pump system
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Patent number 4,780,050
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Issue date Oct 25, 1988
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Sundstrand Corporation
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Gerard Caine
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Modulated diffuser pump
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Patent number 4,417,851
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Issue date Nov 29, 1983
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Sundstrand Corporation
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John E. Cygnor
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...