Patents by Inventor Roy G. Pullum

Roy G. Pullum 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).

  • Auger for snow throw machine
    Patent number: 7305777
    Abstract: A snow throwing machine including a housing, an engine, an impeller and an auger for collecting snow and directing it to the impeller. The auger including an auger shaft disposed transversely in the housing and drivable by the engine, and a plurality of flytes mounted on the auger shaft. Each flyte includes a hub and a plurality of fins and is mounted on the auger shaft with a shear pin extending through the hub and auger shaft. The flytes are configured such that an outer peripheral edge of adjacent flytes forms a helix around the auger shaft directing snow toward the impeller.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: December 11, 2007
    Assignee: MTD Products Inc
    Inventors: Travis Kettering, Roy G. Pullum