Patents by Inventor Tom Irwin

Tom Irwin 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: 20130174766
    Abstract: Control apparatus for a pneumatic seed meter having a seed disc that uses a pneumatic pressure differential to hold and release seed on a rotating disc. The control apparatus is controlled to disrupt the pressure differential in an area of the rotating disc to selectively disrupt planting of seed by the seed meter to, for example, reduce overlap planting.
    Type: Application
    Filed: July 5, 2012
    Publication date: July 11, 2013
    Applicant: AG LEADER TECHNOLOGY
    Inventors: Roger Zielke, William Cannon, Ryan Witt, Tom Irwin
  • Patent number: 8234988
    Abstract: Control apparatus for a pneumatic seed meter having a seed disc that uses a pneumatic pressure differential to hold and release seed on a rotating disc. The control apparatus is controlled to disrupt the pressure differential in an area of the rotating disc to selectively disrupt planting of seed by the seed meter to, for example, reduce overlap planting.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: August 7, 2012
    Inventors: Roger Zielke, Will Cannon, Ryan Witt, Tom Irwin
  • Publication number: 20100131095
    Abstract: Control apparatus for a pneumatic seed meter having a seed disc that uses a pneumatic pressure differential to hold and release seed on a rotating disc. The control apparatus is controlled to disrupt the pressure differential in an area of the rotating disc to selectively disrupt planting of seed by the seed meter to, for example, reduce overlap planting.
    Type: Application
    Filed: November 25, 2009
    Publication date: May 27, 2010
    Applicant: AG LEADER TECHNOLOGY
    Inventors: Roger Zielke, Will Cannon, Ryan Witt, Tom Irwin