Patents by Inventor William J. Gilius

William J. Gilius 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).

  • Patent number: 4124306
    Abstract: Apparatus for devolatilizing materials such as solvent containing polymers includes a cylindrical housing having inlet and discharge ends and a screw member rotatably mounted in the housing, operative to work material so as to release contained vaporizable substances from the material. An inlet fitting at the inlet end of the chamber is located opposite a part of the screw member. The housing includes a venting section extending therefrom at the inlet end and the screw member has a screw vent control section extending within the venting section, arranged to convey material toward the discharge end of the housing.
    Type: Grant
    Filed: November 30, 1977
    Date of Patent: November 7, 1978
    Assignee: The French Oil Mill Machinery Company
    Inventors: Dean K. Bredeson, Gregory C. Craig, William J. Gilius, Charles R. Johnson