Patents by Inventor Eberhard Frank

Eberhard Frank 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).

  • Devices for de-aerating liquids flowing in medical liquid systems
    Patent number: 5045096
    Abstract: A device for de-aerating liquids flowing in medical liquid systems and in particular infusible liquids to be administered from a gravity-operated infusion set, comprises a hollow chamber through which the infusible solution flows and whose wall contains at least one aperture in which is inserted a liquid-tight, air-permeable de-aerating unit. By means of the device, air bubbles can be removed automatically from infusible solutions being administered.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: September 3, 1991
    Inventors: Minh B. Quang, Eberhard Frank
  • Machine tool
    Patent number: 4597144
    Abstract: A machine tool for processing workpieces of various shapes comprises three processing units each mounted on a carriage to move in three axes of coordinates and each being rotatable about a horizontal axis. Each processing unit carries a tool holder having tools and being turnable in two opposite directions. A workpiece is clamped in a workpiece holder so that it is immovable during operation and can be treated at least at three sides thereof simultaneously.
    Type: Grant
    Filed: July 18, 1985
    Date of Patent: July 1, 1986
    Assignee: Maschinenfabrik Diedesheim GmbH
    Inventors: Hans-Eberhard Frank, Norbert Petrizza