Patents by Inventor Gefu Ji

Gefu Ji 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).

  • Sandwich panel with a ductile hybrid core comprising tubular reinforcements
    Patent number: 10907351
    Abstract: A hybrid core comprising a matrix and tubular structural reinforcements, such as a ductile matrix core reinforced with ductile hollow tubes, as well as panels which comprise such hybrid core. Embodiments of the invention manifest resistance to both interfacial debonding and ballistic penetration.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: February 2, 2021
    Assignee: BOARD OF SUPERVISORS OF LOUISIANA STATE UNIVERSITY AND AGRICULTURAL AND MECHANICAL COLLEGE
    Inventors: Guoqiang Li, Gefu Ji
  • Sandwich Panel with a Ductile Hybrid Core Comprising Tubular Reinforcements
    Publication number: 20180142474
    Abstract: A hybrid core comprising a matrix and tubular structural reinforcements, such as a ductile matrix core reinforced with ductile hollow tubes, as well as panels which comprise such hybrid core. Embodiments of the invention manifest resistance to both interfacial debonding and ballistic penetration.
    Type: Application
    Filed: November 21, 2017
    Publication date: May 24, 2018
    Applicant: Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
    Inventors: Guoqiang Li, Gefu Ji
  • Sandwich panel with a ductile hybrid core comprising tubular reinforcements
    Patent number: 9850660
    Abstract: A hybrid core comprising a matrix and tubular structural reinforcements, such as a ductile matrix core reinforced with ductile hollow tubes, as well as panels which comprise such hybrid core. Embodiments of the invention manifest resistance to both interfacial debonding and ballistic penetration.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: December 26, 2017
    Assignee: Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
    Inventors: Guoqiang Li, Gefu Ji
  • Sandwich Panel with a Ductile Hybrid Core Comprising Tubular Reinforcements
    Publication number: 20150300019
    Abstract: A hybrid core comprising a matrix and tubular structural reinforcements, such as a ductile matrix core reinforced with ductile hollow tubes, as well as panels which comprise such hybrid core. Embodiments of the invention manifest resistance to both interfacial debonding and ballistic penetration.
    Type: Application
    Filed: November 7, 2013
    Publication date: October 22, 2015
    Applicant: Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
    Inventors: Guoqiang Li, Gefu Ji