Patents by Inventor W. Fred Ralls

W. Fred Ralls 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: 4850843
    Abstract: An apparatus for use in scooping a scoop of ice cream from a container of ice cream includes a handle, a bowl supported on the handle, and a motor for rotating the bowl relative to the handle in order to facilitate the scooping of ice cream with the bowl. One embodiment includes a rotatable wiper blade mounted within the bowl, a first unidirectional clutch device that couples the bowl to the motor drive shaft when the drive shaft is rotating in a clockwise rotation, and a second unidirectional clutch device that inhibits bowl rotation when the drive shaft is rotating in a counterclockwise direction. The cutting edge or lip of the bowl may have sawtooth like projections, and an battery changer apparatus may be included for charging a battery power source housed in the handle.
    Type: Grant
    Filed: August 9, 1988
    Date of Patent: July 25, 1989
    Inventor: W. Fred Ralls