TREA

Theodor Gerdes

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  • Langenfeld, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pressure compensation valve arrangement
    • Patent number 4,056,121
    • Issue date Nov 1, 1977
    • Blau KG Fabrik fur Kraftfahrzeugteile
    • Theodor Gerdes
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Gas cap with automatic pressure compensation
    • Patent number 4,036,399
    • Issue date Jul 19, 1977
    • Blau KG Fabrik fur Kraftfahrzeugteile
    • Theodor Gerdes
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Lockable closure cap
    • Patent number 4,013,191
    • Issue date Mar 22, 1977
    • Blau KG Fabrik fur Kraftfahrzeugteile
    • Theodor Gerdes
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Closure cap
    • Patent number 3,974,936
    • Issue date Aug 17, 1976
    • Blau KG Fabrik fur Kraftfahrzeugteile
    • Theodor Gerdes
    • B60 - VEHICLES IN GENERAL