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Multi-piece pinion shaft assembly
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Patent number 11,859,664
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Issue date Jan 2, 2024
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SPM Oil & Gas Inc.
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Daryl James Belshan
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Retainer assembly for pump and methods
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Patent number 11,852,127
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Issue date Dec 26, 2023
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SPM Oil & Gas Inc.
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James A. Barnhouse
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Power end of a pump
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Patent number 10,871,227
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Issue date Dec 22, 2020
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Black Horse, LLC
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Daryl Belshan
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Monitoring system for fluid pump
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Patent number 10,047,741
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Issue date Aug 14, 2018
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Caterpillar Inc.
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Yanchai Zhang
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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