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Adjustable pressure control valves
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Patent number 8,375,992
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Issue date Feb 19, 2013
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Parker-Hannifin Corporation
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Joseph Patrick Reilly
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Sequential stepped directional control valve
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Patent number 8,272,402
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Issue date Sep 25, 2012
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Parker-Hannifin Corporation
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Joseph Patrick Reilly
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Sequential stepped directional control valve
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Patent number 8,104,511
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Issue date Jan 31, 2012
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Parker-Hannifin Corporation
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Joseph Patrick Reilly
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Proportional pressure control valve
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Patent number 7,779,853
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Issue date Aug 24, 2010
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Parker-Hannifin Corporation
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Joseph P. Reilly
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL