Patents by Inventor Anthony S. Ewell

Anthony S. Ewell 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).

  • Automatic pet food dispenser
    Patent number: 5433171
    Abstract: An automatic animal feeding apparatus having an exterior cabinet, a base member supporting the exterior cabinet, a water tank disposed within the exterior cabinet, and a food hopper disposed within the exterior cabinet and positioned adjacent to the water tank. A food bowl and a water bowl are positioned substantially on a top surface of the base member. In addition, there is a first pressure sensing mechanism for generating a first analog signal corresponding to the weight of the water bowl, and a second pressure sensing mechanism for generating a second analog signal corresponding to the weight of the food bowl.
    Type: Grant
    Filed: April 25, 1994
    Date of Patent: July 18, 1995
    Inventor: Anthony S. Ewell