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John E. Hawes

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  • Southlake, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stay rod for reciprocating pump
    • Patent number D641382
    • Issue date Jul 12, 2011
    • S.P.M. Flow Control, Inc.
    • John E. Hawes
    • D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents

  • Information Patent Application

    Pump Valve with Full Elastomeric Contact on Seat
    • Publication number 20110079302
    • Publication date Apr 7, 2011
    • Weir SPM, Inc.
    • John E. Hawes
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HYDRAULIC INSTALLATION TOOL FOR PUMP PLUNGER
    • Publication number 20110030213
    • Publication date Feb 10, 2011
    • Weir SPM, Inc.
    • John Hawes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CARRIER FOR PLUNGER DURING DISASSEMBLY
    • Publication number 20100325888
    • Publication date Dec 30, 2010
    • Weir SPM, Inc.
    • John E. Hawes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Suction Port Lock Nut With Stub Buttress Threads
    • Publication number 20100158727
    • Publication date Jun 24, 2010
    • Weir SPM, Inc.
    • John E. Hawes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...