Patents by Inventor Hansjorg Frick

Hansjorg Frick 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).

  • Mixing container
    Patent number: 4542823
    Abstract: Mixing container for manufacturing dental preparations with a first part that contains a powdered material and a second, separable part that contains a liquid in a destructible foil bag.The bag is destroyed by a movable pestle. The resistance to ripping of the foil bag and the pressure impulse acquired by the pestle when the container is shaken in an oscillating mixer are proportioned to result in the destruction of the bag when struck by the pestle. The pestle has elevations and guides in preferred embodiments.
    Type: Grant
    Filed: October 22, 1984
    Date of Patent: September 24, 1985
    Assignee: Etablissement Dentaire Ivoclar
    Inventor: Hansjorg Frick