Patents by Inventor David D. Scottie

David D. Scottie 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).

  • Refurbishable conveyor system rollers
    Patent number: 6305529
    Abstract: A refurbishable conveyor system roller having an inner cylinder, an outer cylinder concentrically mounted over said inner cylinder, couplings at each end of said inner cylinder, an end cap at each end joined to said inner cylinder by the couplings, a bearing assembly removably mounted between said end caps and said inner cylinder and a steel rod passing through said roller for mounting or engaging said roller to a corresponding conveyor system.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: October 23, 2001
    Inventor: David D. Scottie