Patents by Inventor Stefan Vernea

Stefan Vernea 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).

  • Transmission for dual propellers driven by an inboard marine engine
    Patent number: 5494466
    Abstract: Transmission for a single engine drive for dual concentric propellers in a straight or V-drive arrangement with the straight-drive including four shafts and nine gears and the V-drive adding two more shafts and four more gears.
    Type: Grant
    Filed: January 31, 1995
    Date of Patent: February 27, 1996
    Inventor: Stefan Vernea