Patents by Inventor Willem Jansen

Willem Jansen 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 compressor
    Patent number: 4212585
    Abstract: An improvement for extending the stable operating range of a centrifugal compressor comprises a circumferentially extending series of slots adjacent the leading edges of a series of compressor vanes such that there is relative motion between the series of slots and the vanes as the compressor impeller is driven in rotation.
    Type: Grant
    Filed: January 20, 1978
    Date of Patent: July 15, 1980
    Assignee: Northern Research and Engineering Corporation
    Inventors: Michael C. Swarden, Shankar S. Magge, Willem Jansen, Anthony F. Carter