Patents by Inventor Detlev Wahl

Detlev Wahl has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Pressure gauge housing made of synthetic material
    Patent number: 4646574
    Abstract: A pressure gauge housing (3) made of a synthetic material and having O-ring sealing seat (1) for the spring carrier (42). The housing features a protruding edge (2) which is molded on the front side on the cup-shaped housing (3). The O-ring sealing seat (1) is shaped out of the housing circumference so that it will close flush with the edge (2).
    Type: Grant
    Filed: April 3, 1985
    Date of Patent: March 3, 1987
    Assignee: Alexander Wiegand GmbH & Co.
    Inventors: Detlev Wahl, Herbert Elter, Hermann Julien