Patents by Inventor Robert Riepl

Robert Riepl 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).

  • Packaging compatible animal litter
    Patent number: 6089190
    Abstract: A cellulose-based, clumpable animal litter features reduced water activity at cost-effective product moisture levels. The composition includes cellulosic granules and clay particles present in an amount up to 40 weight percent, but sufficient to give the litter composition a packaging-compatible water activity.
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: July 18, 2000
    Assignee: Oil-Dri Corporation of America
    Inventors: Richard M. Jaffee, Daniel S. Jaffee, G. Robert Goss, Robert Riepl