Patents by Inventor Roger L. Shingleton

Roger L. Shingleton 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: 5975021
    Abstract: A centrifugal feed distributor or feeder (10) to distribute feed (16) in a substantially circular distribution array (58) for fish or livestock. Feeder (10) includes a domed housing (20), a fan assembly (32), and a rotating base (34). The domed housing (20) includes a substantially cylindrical sidewall (22), a closed upper end (24), and a large open lower end (26), which together define a inner chamber (28) and an exterior (30). The fan assembly (32) includes a plurality of fan blades (36) each connected to a vertical shaft (40) that rotates about a center of shaft when an external force (18) is applied to the fan blades. The shaft (40) is also connected to base (34), which rotates about shaft center at the same speed the fan blades rotate. The fan assembly (32) is positioned within domed housing chamber (28). An output gap (52) is defined by the position of the lower end (26) of the housing (20) in relationship to the rotating base (34).
    Type: Grant
    Filed: December 20, 1997
    Date of Patent: November 2, 1999
    Assignee: Environmental Technologies, Inc.
    Inventors: Roger L. Shingleton, Ronald E. Burnham, Jon K. Lapping