Patents by Inventor David H. Bergen

David H. Bergen 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).

  • Replaceable ground engaging tip and wear resistant insert therefor
    Patent number: 6745709
    Abstract: A ground engaging tip for a seed boot attachment for depositing a seed within a furrow. The tip including a conical shape member formed of three generally planar shape side surfaces wherein two of the side surfaces meet to form an inclined leading edge extending from a tip of the conical shape member; and at least one wear resistant insert. The insert is secured to the leading edge of the ground engaging tip and includes a generally elongated bar having a leading end, a trailing end and three connecting side surfaces, a first side, second side and third side. The first, second and third side surfaces form a bar having a generally triangular cross-section, wherein the leading end of the bar is angled.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: June 8, 2004
    Assignees: Kennametal Inc., GEN Manufacturing Ltd.
    Inventors: Don C. Rowlett, Henry J. Bergen, David H. Bergen
  • Replaceable ground engaging tip and wear resistant insert therefor
    Publication number: 20030221600
    Abstract: A ground engaging tip for a seed boot attachment for depositing a seed within a furrow. The tip including a conical shape member formed of three generally planar shape side surfaces wherein two of the side surfaces meet to form an inclined leading edge extending from a tip of the conical shape member; and at least one wear resistant insert. The insert is secured to the leading edge of the ground engaging tip and includes a generally elongated bar having a leading end, a trailing end and three connecting side surfaces, a first side, second side and third side. The first, second and third side surfaces form a bar having a generally triangular cross-section, wherein the leading end of the bar is angled.
    Type: Application
    Filed: May 31, 2002
    Publication date: December 4, 2003
    Inventors: Don C. Rowlett, Henry J. Bergen, David H. Bergen