Patents by Inventor Donald W. Greenheck

Donald W. Greenheck 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).

  • Air shutter arrangement for transport refrigeration unit
    Patent number: 4527400
    Abstract: In a transport refrigeration unit, top and front shutters are controlled to open in sequence upon rising temperatures being sensed by temperature responsive control means located in a recirculation passage between the shutters.
    Type: Grant
    Filed: July 23, 1980
    Date of Patent: July 9, 1985
    Assignee: Westinghouse Electric Corp.
    Inventors: Donald W. Greenheck, Lowell M. Anderson