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Bidirectional check valve
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Patent number 5,048,561
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Issue date Sep 17, 1991
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Vickers, Incorporated
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Lael B. Taplin
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Power transmission
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Patent number 4,993,921
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Issue date Feb 19, 1991
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Vickers, Incorporated
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Lael B. Taplin
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Power transmission
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Patent number 4,611,528
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Issue date Sep 16, 1986
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Vickers, Incorporated
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Vinod K. Nanda
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Power transmission
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Patent number 4,569,272
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Issue date Feb 11, 1986
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Vickers, Incorporated
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Henry D. Taylor
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Power transmission
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Patent number 4,418,612
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Issue date Dec 6, 1983
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Vickers, Incorporated
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Vinod K. Nanda
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Power transmission
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Patent number 4,407,122
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Issue date Oct 4, 1983
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Vickers, Incorporated
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Vinod K. Nanda
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL