Patents by Inventor Andre G. Mignot

Andre G. Mignot 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).

  • Separation method for solid constituents of a suspension and device for carrying out this method
    Patent number: 5401422
    Abstract: The present invention is a filtration method and device for separating particles of a suspension according to their mass. The invention includes a rotating uncloggable filter. The filter rotates inside of a stationery housing. Separation by particle size is achieved by adjusting the rotational speed of the filter. The filter is particularly useful for washing photographic suspensions.
    Type: Grant
    Filed: April 6, 1993
    Date of Patent: March 28, 1995
    Assignee: Eastman Kodak Company
    Inventor: Andre G. Mignot