Patents by Inventor David M. Lauer

David M. Lauer 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).

  • Auger for combine header
    Patent number: 6672040
    Abstract: An auger for a combine includes a central tube having an outer cylindrical surface and having a first diameter; flighting extends from the outer surface of the central tube. The flighting has an outer edge. An auger diameter is defined as the diameter extending from a top edge of the flighting to the bottom edge of the flighting. The first diameter is approximately 25 percent of the outer diameter.
    Type: Grant
    Filed: August 7, 2002
    Date of Patent: January 6, 2004
    Inventor: David M. Lauer
  • Auger for combine header
    Patent number: 6561896
    Abstract: An auger for a combine includes a central tube having an outer cylindrical surface and having a first diameter; flighting extends from the outer surface of the central tube. The flighting has an outer edge. An auger diameter is defined as the diameter extending from a top edge of the flighting to the bottom edge of the flighting. The first diameter is approximately 25 percent of the outer diameter.
    Type: Grant
    Filed: May 22, 2000
    Date of Patent: May 13, 2003
    Inventor: David M. Lauer
  • Auger for combine header
    Publication number: 20020189224
    Abstract: An auger for a combine includes a central tube having an outer cylindrical surface and having a first diameter; flighting extends from the outer surface of the central tube. The flighting has an outer edge. An auger diameter is defined as the diameter extending from a top edge of the flighting to the bottom edge of the flighting. The first diameter is approximately 25 percent of the outer diameter.
    Type: Application
    Filed: August 7, 2002
    Publication date: December 19, 2002
    Inventor: David M. Lauer