Patents by Inventor Lyle E. Shoot

Lyle E. Shoot 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 for reducing the resonant frequency of a piezoelectric transducer
    Patent number: 4156156
    Abstract: The resonant frequency of a conventional piezoelectric transducer having predetermined dimensions and a fundamental nodal diameter is reduced while maintaining the overall predetermined diameter and fundamental nodal diameter of the transducer. A method of reducing the resonant frequency of a conventional piezoelectric transducer includes the step of radially slotting the substrate of the transducer.
    Type: Grant
    Filed: August 18, 1977
    Date of Patent: May 22, 1979
    Assignee: P. R. Mallory & Co. Inc.
    Inventors: Louis P. Sweany, Lyle E. Shoot