Patents by Inventor Fred Debien

Fred Debien 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).

  • Litter box lifting device
    Patent number: 7757637
    Abstract: A litter box housing for cats having a litter box inside the housing positioned upon a tray. The tray is engaged with a cam arms which are connected to an upper lid of the housing, and the tray rests on a base of the housing when the lid is closed. When the lid is opened, the cam arms lift the tray with the litter box, and lock the tray in an elevated position. The litter box can either be cleaned for waste materials or disposed of in its entirety.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: July 20, 2010
    Inventor: Fred Debien