Patents by Inventor Walter Roemmler-Walz

Walter Roemmler-Walz 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).

  • Airfoil for an axial separator cleaning air blast duct
    Patent number: 6796897
    Abstract: An airfoil is placed in ductwork that directs airflow from a combine cooling fan the pneumatically blast dust, chaff and other debris off the top of a separator unit. The airfoil comprises a leading edge, a trailing edge located downstream from the leading edge, a thickness, and a chord extending from the leading edge to the trailing edge. The airfoil is adapted to encourage airflow downward toward to outlet of the ductwork and to discourage air from swirling back toward the inlet of the ductwork.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: September 28, 2004
    Assignee: Deere & Company
    Inventors: Benjamin Max Lovett, Walter Roemmler-Walz, Michael Goelzer, Dieter Ochssner, Robert Vincent Shannon, Jr.