Patents by Inventor James Bernard Hilliard, Sr.

James Bernard Hilliard, Sr. 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).

  • Patent number: 11311068
    Abstract: A helmet defining an opening for a user's head, the helmet including an outer shell providing a wave guide exit operatively associated with an integrated wave guide layer surrounded by the outer shell, the wave guide layer being adapted to direct sonic waves out the wave guide exit, thereby substantially preventing the sonic waves from penetrating through a remainder of the helmet to the opening. The wave guide layer may be a sonic wave transmission medium composed of acoustic metamaterial, wherein the wave guide layer communicates with the wave guide exit.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: April 26, 2022
    Inventor: James Bernard Hilliard, Sr.
  • Publication number: 20210321709
    Abstract: A helmet defining an opening for a user's head, the helmet including an outer shell providing a wave guide exit operatively associated with an integrated wave guide layer surrounded by the outer shell, the wave guide layer being adapted to direct sonic waves out the wave guide exit, thereby substantially preventing the sonic waves from penetrating through a remainder of the helmet to the opening. The wave guide layer may be a sonic wave transmission medium composed of acoustic metamaterial, wherein the wave guide layer communicates with the wave guide exit.
    Type: Application
    Filed: July 21, 2020
    Publication date: October 21, 2021
    Inventor: James Bernard Hilliard, Sr.