Patents by Inventor Frederic Vacquer

Frederic Vacquer 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).

  • Apparatus for spraying a liquid treatment agent onto cereal grains
    Patent number: 5105733
    Abstract: The invention relates to an apparatus for spraying a liquid treatment agent onto cereal grains. it consists of at least one tubular frame (1 . . . 8) provided with at least one row of perforations (1), the interior of the frame being connected to a pressurized source of supply of a liquid treatment agent for cereal grains through a supply line (9), the said frame being of such a size as to surround an opening in a structure through which cereal grains are made to flow by gravity or under pressure.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: April 21, 1992
    Assignee: Desinsectisation Moderne
    Inventor: Frederic Vacquer