Patents by Inventor Ken Pierson

Ken Pierson 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).

  • Grain drying aeration system
    Patent number: 7568297
    Abstract: An improved vertical aeration system is provided for a grain bin having a sloped hopper bottom with a discharge opening. A pyramid frame includes legs with lower ends attachable to the hopper bottom. Concave perforated walls are attached to the legs. Braces extending between the legs provide structural support for the walls. An air duct extends upwardly and centrally into the interior of the frame, to supply air into the aeration system for flow outwardly through the perforated walls.
    Type: Grant
    Filed: April 10, 2006
    Date of Patent: August 4, 2009
    Assignee: Woodhaven Capital Corp.
    Inventors: Ken Pierson, Brian Macdonald, John Penner
  • Grain drying aeration system
    Publication number: 20070234587
    Abstract: An improved vertical aeration system is provided for a grain bin having a sloped hopper bottom with a discharge opening. A pyramid frame includes legs with lower ends attachable to the hopper bottom. Concave perforated walls are attached to the legs. Braces extending between the legs provide structural support for the walls. An air duct extends upwardly and centrally into the interior of the frame, to supply air into the aeration system for flow outwardly through the perforated walls.
    Type: Application
    Filed: April 10, 2006
    Publication date: October 11, 2007
    Applicant: WOODHAVEN CAPITAL CORP.
    Inventors: Ken Pierson, Brian MacDonald, John Penner