Patents by Inventor Marc D. Constant

Marc D. Constant 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).

  • Foam analyzing method and apparatus
    Patent number: 5542004
    Abstract: A method of analyzing the visually perceptible characteristics of foamable liquid, such as beer, comprises pouring a known quantity of the foamable liquid from a storage container into a clear beaker. A camera produces a video image of the beaker and its liquid and foam contents. A series of such image are periodically acquired over a definite time period. The images are electronically analyzed to derive numerical value indicating the different characteristics. A system for performing the method also is described.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: July 30, 1996
    Assignee: Miller Brewing Company
    Inventors: Marc D. Constant, Albert T. Grzybowski, Farhad Moalem