Patents by Inventor David R. Coder

David R. Coder 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).

  • Trash handling apparatus for a self-cleaning rotary screen
    Patent number: 5183487
    Abstract: A trash handling apparatus for a self-cleaning rotary screen comprising two cutterbars that extend across the diameter of a circular screen and a comb having a castellated edge is secured to the leading edge of a vacuum chamber. The two cutterbars are provided with outwardly extending ribs that act in concert with notches formed in castellated edge of the comb to scissor large crop material trapped on the rotary screen as it passes the stationary vacuum chamber.
    Type: Grant
    Filed: April 24, 1992
    Date of Patent: February 2, 1993
    Assignee: Deere & Company
    Inventors: James I. Lodico, David R. Coder, Lawrence J. Adams, Rebecca A. F. Guthrie, Raymond M. Andes, Jr., Philip G. Alexander