Patents by Inventor D. Brink Arnold

D. Brink Arnold 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).

  • Helically grooved conveyor pulley for use in belted conveyor systems
    Patent number: 5213202
    Abstract: According to the present invention, an improved conveyor or roller pulley is provided. A preferred embodiment of the invention comprises a roll core, having a lagging material attached thereto, with a multiplicity of longitudinally spaced drive surfaces, with helical grooves, formed in said lagging, adjacent which are tapered shoulder regions.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: May 25, 1993
    Assignee: Morrison Marketing, Inc.
    Inventor: D. Brink Arnold