Patents by Inventor Marvin E. Knowles

Marvin E. Knowles 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).

  • Patent number: 5782200
    Abstract: An improved gravity feeder for poultry and domestic animals which will dispense variable quantities of feed depending upon the dietary requirements of the particular fowl or animal is disclosed. The gravity feeder includes a generally cylindrical feed storage hopper having top and bottom openings mounted on an underlying circular feed tray having an upwardly projecting conical surface and an upwardly extending peripheral side wall wherein feed is dispensed for consumption. The feed tray includes a plurality of hopper support pads disposed at regular angular intervals about the conical surface of the tray coincident with a diameter of the hopper so as to provide adequate support for the same when disposed in functional relation to the feed tray.
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: July 21, 1998
    Inventors: James A. Knowles, Joseph E. Knowles, Larry M. Knowles, Marvin E. Knowles