Patents by Inventor Ling Z. Zeng

Ling Z. Zeng 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).

  • Centrifugal fan housing
    Patent number: D799714
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: October 10, 2017
    Assignee: DEERE & COMPANY
    Inventors: Dale H. Killen, Ling Z. Zeng, Robert L. Day, Peter R. Nedved, Garrett M. Stroot, Randall A. Maro