Patents by Inventor Eric Andrew Patterson

Eric Andrew Patterson 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).

  • Lead-free piezoelectric material
    Patent number: 9780295
    Abstract: A lead-free piezoelectric ceramic material has the general chemical formula xBiCoO3-y(Bi0.5Na0.5)TiO3-z(Bi0.5K0.5)TiO3, xBiCoO3-y(Bi0.5Na0.5)TiO3-zNaN-bO3, xBiCoO3-y(Bi0.5Na0.5)TiO3-zKNbO3, xBiCoO3-yBi(Mg0.5Ti0.5)O3-z(Bi0.5Na0.5)TiO3, xBiCoO3-yBa-TiO3-z(Bi0.5Na0.5)TiO3, or xBiCoO3-yNaNbO3-zKNbO3; wherein x+y+z=1, and x, y, z?0.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: October 3, 2017
    Assignees: OREGON STATE UNIVERSITY OFFICE OF TECHNOLOGY TRANSFER, HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Eric Andrew Patterson, David Cann, Peter Mardilovich
  • LEAD-FREE PIEZOELECTRIC MATERIAL
    Publication number: 20150372221
    Abstract: A lead-free piezoelectric ceramic material has the general chemical formula xBiCoO3-y(Bi0.5Na0.5)TiO3-z(Bi0.5K0.5)TiO3, xBiCoO3-y(Bi0.5Na0.5)TiO3-zNaN-bO3, xBiCoO3-y(Bi0.5Na0.5)TiO3-zKNbO3, xBiCoO3-yBi(Mg0.5Ti0.5)O3-z(Bi0.5Na0.5)TiO3, xBiCoO3-yBa-TiO3-z(Bi0.5Na0.5)TiO3, or xBiCoO3-yNaNbO3-zKNbO3; wherein x+y+z=1, and x, y, z?0.
    Type: Application
    Filed: January 28, 2013
    Publication date: December 24, 2015
    Inventors: Eric Andrew Patterson, David Cann, Peter Mardilovich