Patents by Inventor Jeanne Bernards

Jeanne Bernards 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).

  • Hopper blender system and method for coating fibers
    Patent number: 5582644
    Abstract: A system for coating discontinuous fibers with a liquid coating material uses a hopper/blender which entrains the fiber particles in a toroidal mass of moving fibers. The hopper/blender has an inverted conical section with an agitator assembly rotated therein. The agitator assembly has a base disc with tubular blades projecting outwardly therefrom into the conical section. Aft swept lifter blades relative to the direction of rotation are mounted to the agitator disc. A method of applying a liquid coating material to discontinuous fibers is also disclosed.
    Type: Grant
    Filed: March 2, 1994
    Date of Patent: December 10, 1996
    Assignee: Weyerhaeuser Company
    Inventors: Paul Gaddis, Ferhan Kayihan, Jeanne Bernards, David Hayden, Octave Levenspiel