Patents by Inventor Gerald Rapp

Gerald Rapp 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).

  • Publication number: 20050150914
    Abstract: A replaceable auger assembly includes a body having at least one material inlet defined therein and an auger disposed within the body. The auger includes a helical portion disposed about a shaft portion and a positive shutoff mechanism. The positive shutoff mechanism is configured to selectively close the material inlet.
    Type: Application
    Filed: January 8, 2004
    Publication date: July 14, 2005
    Inventors: William Colburn, Timothy Strecker, Gerald Rapp