Patents by Inventor George K. Lie

George K. Lie 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).

  • Flexible bladed fan with increased natural frequency
    Patent number: 4037987
    Abstract: A flexible bladed fan comprising blade assemblies having a reinforcing member contacting each blade along the leading portion thereof, the blade and reinforcing member spaced apart at a gap behind the leading portion and contacting again at a second position behind the gap, the reinforcing member biasing the blade in a downstream direction at the second position.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: July 26, 1977
    Assignee: Fram Corporation
    Inventors: Herbert N. Charles, George K. Lie