Patents by Inventor David F. Ott

David F. Ott 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).

  • Patent number: 5517932
    Abstract: A closing wheel for an agricultural seeding machine. The closing wheel comprises a circular disc having a series of radially extending scallops or cavities on the furrow facing side of the closing wheel. The scallops or cavities extend to the circumferential edge of the disc forming a wavy or castellated edge. The circumferential edge is beveled away from the furrow facing side of the closing wheel. The disc is also provided with a central aperture for receiving a bearing assembly for rotatively mounting the disc onto a planter frame.
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: May 21, 1996
    Assignee: Deere & Company
    Inventors: David F. Ott, Alfred D. Yoder