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James Evans

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  • Owasso, OK, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    DIRECT LOAD WRIST PIN
    • Publication number 20250012270
    • Publication date Jan 9, 2025
    • National-Oilwell Varco, L.P.
    • Kyle Christopher Chady
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LONG STROKE PARALLEL PUMP
    • Publication number 20230407854
    • Publication date Dec 21, 2023
    • National-Oilwell Varco, L.P.
    • Kyle Christopher Chady
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DEVICE INTERLOCKING WITH A COMPARTMENT
    • Publication number 20160245280
    • Publication date Aug 25, 2016
    • GARDNER DENVER PETROLEUM PUMPS, LLC
    • Georgi Dimitrov Todorov
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...