Patents by Inventor Robert Griswold

Robert Griswold 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).

  • Ultrasonic welder with high-Q tool
    Publication number: 20060144906
    Abstract: An ultrasonic welding apparatus and method uses a high-Q tool to increase the Q of a weld stack. In an aspect, the high Q-tool is a booster. In an aspect, the high-Q booster is a full wave booster. In an aspect, the high-Q booster is a radially resonant booster. In an aspect, the high-Q tool is a radially resonant tool. In an aspect, the Q of the weld stack is increased by the use of the high-Q tool while retaining a particular gain level.
    Type: Application
    Filed: January 4, 2006
    Publication date: July 6, 2006
    Inventors: James Sheehan, Robert Griswold