Patents by Inventor Laurent Verreault

Laurent Verreault 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).

  • Process and an apparatus for mixing substances
    Patent number: 4836685
    Abstract: The present invention relates to a process and an apparatus for blending substances in a highly accurate manner. The process consists of delivering an amount of a first substance into a mixing vessel and determining the weight of the amount of the first substance actually delivered. From the weight measured and the proportion of a second substance in the final blend an amount of the second substance is calculated and discharged in the mixing vessel, and same for each additional substance.
    Type: Grant
    Filed: July 23, 1987
    Date of Patent: June 6, 1989
    Assignee: Le Groupe Laperriere & Verreault, Inc.
    Inventor: Laurent Verreault