Patents by Inventor Zizzis A. Dardas

Zizzis A. Dardas 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).

  • POWDER IMPROVEMENT FOR ADDITIVE MANUFACTURING
    Publication number: 20160339521
    Abstract: A method includes providing a metallic first powder having a plurality of first particles with a first mean particle diameter. A second powder added to the first powder has a plurality of second particles with a second mean particle diameter less than the first mean particle diameter. Energy is applied to at least the second powder so as to selectively heat the second particles. The first powder is combined with the heated second powder to form a modified powder including modified powder particles. Modified powder particles have an interior portion containing an interior composition, and an outer surface portion with an outer composition different from the interior composition.
    Type: Application
    Filed: January 12, 2015
    Publication date: November 24, 2016
    Applicant: United Technologies Corporation
    Inventors: Zizzis A. Dardas, Ying She