Patents by Inventor Charlotte David

Charlotte David 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).

  • Materials comprising shape memory alloy wires and methods of making these materials
    Patent number: 11926719
    Abstract: Some embodiments relate to non-woven composite materials, methods of making and uses thereof, including articles including the composite structures. More particularly, some embodiments relates to non-woven composite materials possessing desirable impact performance and penetration resistance.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: March 12, 2024
    Assignee: QINETIQ LIMITED
    Inventors: Andrew David Foreman, Charlotte Bree Meeks, Robert West
  • Piezoelectric and/or pyroelectric composite solid material, method for obtaining same and use of such a material
    Patent number: 8877085
    Abstract: A piezoelectric and/or pyroelectric composite solid hybrid material, includes: a solid dielectric matrix, a filler of at least one inorganic piezoelectric and/or pyroelectric material, wherein the filler includes filiform nanoparticles distributed throughout the volume of the solid dielectric matrix with an amount by volume of less than 50%, and in that the main directions of elongation of the filiform nanoparticles of the inorganic filler distributed in the dielectric matrix have a substantially isotropic distribution in the solid dielectric matrix.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: November 4, 2014
    Assignee: Universite Paul Sabatier Toulouse III
    Inventors: Jean-Fabien Capsal, Charlotte David, Eric Dantras, Colette Lacabanne
  • PIEZOELECTRIC AND/OR PYROELECTRIC COMPOSITE SOLID MATERIAL, METHOD FOR OBTAINING SAME AND USE OF SUCH A MATERIAL
    Publication number: 20120267563
    Abstract: A piezoelectric and/or pyroelectric composite solid hybrid material, includes: a solid dielectric matrix, a filler of at least one inorganic piezoelectric and/or pyroelectric material, wherein the filler includes filiform nanoparticles distributed throughout the volume of the solid dielectric matrix with an amount by volume of less than 50%, and in that the main directions of elongation of the filiform nanoparticles of the inorganic filler distributed in the dielectric matrix have a substantially isotropic distribution in the solid dielectric matrix.
    Type: Application
    Filed: December 3, 2010
    Publication date: October 25, 2012
    Applicant: UNIVERSITE PAUL SABATIER TOULOUSE III
    Inventors: Jean-Fabien Capsal, Charlotte David, Eric Dantras, Colette Lacabanne