Patents by Inventor Benjamin Hillyard

Benjamin Hillyard 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).

  • Agitator in a sewer system
    Patent number: 7615149
    Abstract: In one aspect of the invention, a sewer system has a waste material flow path which has an entrance and a downstream digester assembly. At least one in-line agitator is disposed upstream to the digester assembly. The at least one in-line agitator adapted to break down the waste material.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: November 10, 2009
    Inventors: David R. Hall, Tyson Wilde, Benjamin Hillyard
  • Agitator in a Sewer System
    Publication number: 20090236274
    Abstract: In one aspect of the invention, a sewer system has a waste material flow path which has an entrance and a downstream digester assembly. At least one in-line agitator is disposed upstream to the digester assembly. The at least one in-line agitator adapted to break down the waste material.
    Type: Application
    Filed: March 19, 2008
    Publication date: September 24, 2009
    Inventors: David R. Hall, Tyson J. Wilde, Benjamin Hillyard