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