Patents by Inventor Alexander Bennett

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
  • Phonograph auto-changer center spindle
    Patent number: 3966215
    Abstract: A phonograph auto-changer center spindle has a sleeve of flexible material in which bulges can be produced to prevent a disc record from dropping on to a turntable, the bulges being reduced in size or moved in position along the sleeve to control the movement of a disc record on the spindle.
    Type: Grant
    Filed: January 29, 1975
    Date of Patent: June 29, 1976
    Assignee: Strathearm Audio Limited
    Inventors: Keith Douglas Ridler, Alexander Bennett Gosling