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Gear pump having internal bypass valve
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Patent number 5,338,161
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Issue date Aug 16, 1994
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Dana Corporation
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James M. Eley
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Axial retention of gear on shaft
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Patent number 4,631,973
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Issue date Dec 30, 1986
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Dana Corporation
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James M. Eley
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Gear pumps and motors
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Patent number 4,336,005
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Issue date Jun 22, 1982
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Tyrone Hydraulics, Inc.
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James R. McBurnett
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Gear pumps and motors
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Patent number 4,266,915
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Issue date May 12, 1981
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Tyrone Hydraulics Inc.
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James R. McBurnett
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Multiple pump control system
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Patent number 4,002,027
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Issue date Jan 11, 1977
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Tyrone Hydraulics, Inc.
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James M. Eley
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Hydraulic pump control system
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Patent number 3,935,917
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Issue date Feb 3, 1976
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Tyrone Hydraulics, Inc.
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James M. Eley
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS