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Hohlwegler; Heinrich

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  • both of, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Siphon weir with a ventilating mechanism
    • Patent number 4,810,130
    • Issue date Mar 7, 1989
    • Brombach; Dr. Hansjorg
    • Hansjorg Brombach
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Flow regulating device
    • Patent number 4,545,403
    • Issue date Oct 8, 1985
    • Brombach; Hansjorg
    • Daniel Vischer
    • G05 - CONTROLLING REGULATING

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