Patents by Inventor Bartolomeo Joseph Ferrari

Bartolomeo Joseph Ferrari 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).

  • Labyrinth seal system
    Patent number: 3989410
    Abstract: Undesired leakage from a system of labyrinth seals used to retain turbine cooling air is reduced by providing passageways which direct all parasitic leakage to a point between the teeth of one of the seals in the system.
    Type: Grant
    Filed: November 27, 1974
    Date of Patent: November 2, 1976
    Assignee: General Electric Company
    Inventor: Bartolomeo Joseph Ferrari