TREA

Hilmar Ortlepp

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  • Mannheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic system for open or closed-centered systems
    • Patent number 5,419,129
    • Issue date May 30, 1995
    • Deere & Company
    • Manfred Becker
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Control valve
    • Patent number 4,664,356
    • Issue date May 12, 1987
    • Deere & Company
    • Manfred Becker
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic control valve
    • Patent number 4,463,819
    • Issue date Aug 7, 1984
    • Deere & Company
    • Manfred Becker
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS