Patents by Inventor Walter James Cuppetelli

Walter James Cuppetelli 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: 8657564
    Abstract: A chopper pump is provided with a motor having a drive shaft and a casing connected to the motor and defining a bowl with an inlet for receiving waste material. A cover plate assembly is secured about the inlet. The cover plate assembly having a base with a central opening and a plurality of serrations formed into the base and spaced about the central opening, each serration being formed into a curved pocket and longitudinally tapered to form an edge on an inner surface of the base. The chopper pump also includes a cutter having a hub that is connected to the drive shaft. The cutter extends through the central opening of the base and includes at least two blades extending radially outward to guide waste material toward the plurality of serrations.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: February 25, 2014
    Inventor: Walter James Cuppetelli
  • Publication number: 20130121811
    Abstract: A chopper pump is provided with a motor having a drive shaft and a casing connected to the motor and defining a bowl with an inlet for receiving waste material. A cover plate assembly is secured about the inlet. The cover plate assembly having a base with a central opening and a plurality of serrations formed into the base and spaced about the central opening, each serration being formed into a curved pocket and longitudinally tapered to form an edge on an inner surface of the base. The chopper pump also includes a cutter having a hub that is connected to the drive shaft. The cutter extends through the central opening of the base and includes at least two blades extending radially outward to guide waste material toward the plurality of serrations.
    Type: Application
    Filed: November 15, 2012
    Publication date: May 16, 2013
    Inventor: Walter James Cuppetelli