Patents by Inventor Kenneth E. Rollins

Kenneth E. Rollins 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).

  • Pelletizer
    Patent number: 4306847
    Abstract: An apparatus for producing particles of essentially uniform size from plastic materials is provided comprising two oppositely rotating drums positioned parallel and adjacent one another to form a nip, one drum being hollow and having uniformly distributed perforations over a portion of its surface area; a scraper assembly which is located inside the hollow perforated drum; and a discharge means which ejects particles from the interior of the hollow drum.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: December 22, 1981
    Assignee: George A. Roundtree
    Inventor: Kenneth E. Rollins