Patents by Inventor Charles E. Hull

Charles E. Hull 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: 20110044126
    Abstract: A media mixing apparatus for mixing rock salt and a media having a housing with a rotatable auger mounted longitudinally within the housing. The housing has a first lower end, an intermediate section and a second end raised relative to the first end. A hopper is coupled to the first end of the housing so that the rotatable auger extends into the hopper for moving the soil toward the second raised end. A valve apparatus is coupled to the housing at the intermediate section for introducing the media to the rock salt as the rock salt is moved from the hopper to the second raised end.
    Type: Application
    Filed: November 18, 2009
    Publication date: February 24, 2011
    Inventor: Charles E. Hull