TREA

Stanley D. Nelsen

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  • Brush Prairie, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Regenerative hydraulic lift system
    • Patent number 8,562,308
    • Issue date Oct 22, 2013
    • Rodmax Oil & Gas, Inc.
    • David A. Krug
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Regenerative hydraulic lift system
    • Patent number 8,083,499
    • Issue date Dec 27, 2011
    • QuaLift Corporation
    • David A. Krug
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    REGENERATIVE HYDRAULIC LIFT SYSTEM
    • Publication number 20150078926
    • Publication date Mar 19, 2015
    • David A. Krug
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...