TREA

Liebherr Mining Equipment Company

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  • Newport News, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-stage hydraulic cylinder assembly
    • Patent number 9,151,304
    • Issue date Oct 6, 2015
    • Liebherr Mining Equipment Company
    • Bryan Michael Harper
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Method and apparatus for controlling the drive system for mobile eq...
    • Patent number 8,930,052
    • Issue date Jan 6, 2015
    • Liebherr Mining Equipment Company
    • James A. Whitfield
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Dump truck
    • Patent number 7,604,300
    • Issue date Oct 20, 2009
    • Liebherr Mining Equipment Co.
    • James Arthur Whitfield, Jr.
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

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