Patents by Inventor William A. Maher

William A. Maher 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).

  • Steam propulsion system
    Patent number: 3936252
    Abstract: The invention relates to a system for propulsion utilizing a vapor heat transfer generator to create high pressure steam directly from water vapor which is transferred to rotary cylinder motors of positive displacement design, which are run on ball and roller bearings to eliminate friction facilitating high speed operation.
    Type: Grant
    Filed: June 13, 1974
    Date of Patent: February 3, 1976
    Assignee: Wilma Ryan
    Inventor: William A. Maher