Patents by Inventor L. S. Pullia

L. S. Pullia 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).

  • Method and apparatus for turbine blade rehabilitation
    Patent number: 5511308
    Abstract: A method and apparatus for removing erosion shields from the blades of a turbine includes a part for gripping the turbine blade, a part for heating the erosion shield to detach it from the blade, and a part for removing the shield including a pneumatic cylinder actuating a stripping arm once sufficient heat has been applied to the shield to detach it from the blade.
    Type: Grant
    Filed: May 6, 1994
    Date of Patent: April 30, 1996
    Assignee: Ontario Hydro
    Inventors: M. K. C. Ng, J. T. C. Lee, G. C. Poon, L. S. Pullia, J. W. Prince, W. J. Crowell