Patents by Inventor Jeffrey T. Livingston

Jeffrey T. Livingston 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).

  • Rotary drum dryer
    Patent number: 5555639
    Abstract: An anti-clogging rotary drum dryer for drying stranded material is provided which includes a tubular, rotatable housing having an inlet for receiving drying gas and wet material, as well as first and second, apertured, telescopically interfitted tubes within the housing and defining the dryer flow path. The first and second tube apertures are designed for passage of the stranded material without clogging, and filler and lifting flight structure is provided within the dryer for assuring smooth, trouble-free operation.
    Type: Grant
    Filed: May 18, 1995
    Date of Patent: September 17, 1996
    Assignee: Productization Inc.
    Inventors: Jeffrey T. Livingston, Andrew D. Livingston