Patents by Inventor John W. Duerr

John W. Duerr 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).

  • Two-cycle engine compressor
    Patent number: 4480968
    Abstract: Arrangements for engine compressor units are disclosed in which power cylinders operating on the two-stroke cycle are provided with charging air from a blower or other source which also provides charging air to two-cycle compressor cylinders so as to increase compressor volumetric efficiency through the delivery of precompressed inlet charges.
    Type: Grant
    Filed: April 5, 1984
    Date of Patent: November 6, 1984
    Assignee: General Motors Corporation
    Inventor: John W. Duerr