Patents by Inventor Adrian Gerritsen

Adrian Gerritsen 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).

  • Method of and apparatus for packaging
    Patent number: 4265070
    Abstract: A wheel-type form-fill-seal vacuum packaging machine in which a wheel carrying a circular series of dies or molds is adapted to be driven at different speeds for accommodation to different product infeed conditions, and in which a vacuum chamber/seal plate assembly is closed with respect to one of the molds with a timed dwell interval for the seal plate which is the same for different wheel speeds.
    Type: Grant
    Filed: August 7, 1979
    Date of Patent: May 5, 1981
    Assignee: Hayssen Manufacturing Company
    Inventors: Walter A. Mainberger, Adrian Gerritsen