Patents by Inventor David Alexander Bennett

David Alexander Bennett 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).

  • Ship stabilizing systems
    Patent number: 4023516
    Abstract: A ship stabilizing system of the activated-fin type in which each fin has a shaft mounted within a casing adapted for rotation on movement of the fin to and from the operative position, the casing being mounted for rotation in upper and lower bearings so dimensioned that access can be gained therethrough to the fin shaft and associated components mounted within the casing.
    Type: Grant
    Filed: August 8, 1975
    Date of Patent: May 17, 1977
    Assignee: Sperry Rand Corporation
    Inventor: David Alexander Bennett