Patents by Inventor Charles S. Wojnar

Charles S. Wojnar 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).

  • Broadband electromechanical spectroscopy
    Patent number: 9291536
    Abstract: An apparatus, method, and material wherein the material's viscoelastic and/or fatigue life may be altered by application of a secondary tuning electromagnetic field or a selected temperature, and the material's viscoelastic and/or fatigue properties are measured by a mechanical response of the material caused by applying a primary driving electromagnetic field.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: March 22, 2016
    Assignee: California Institute of Technology
    Inventors: Dennis M. Kochmann, Charles S. Wojnar, Jean-Briac le Graverend
  • BROADBAND ELECTROMECHANICAL SPECTROSCOPY
    Publication number: 20140298918
    Abstract: An apparatus, method, and material wherein the material's viscoelastic and/or fatigue life may be altered by application of a secondary tuning electromagnetic field or a selected temperature, and the material's viscoelastic and/or fatigue properties are measured by a mechanical response of the material caused by applying a primary driving electromagnetic field.
    Type: Application
    Filed: April 7, 2014
    Publication date: October 9, 2014
    Inventors: Dennis M. Kochmann, Charles S. Wojnar, Jean-Briac le Graverend