Patents by Inventor Hal Cecil Charles

Hal Cecil Charles 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: 11653854
    Abstract: Systems and methods for generating MRI images of the lungs and/or airways of a subject using a medical grade gas mixture comprises between about 20-79% inert perfluorinated gas and oxygen gas. The images are generated using acquired 19F magnetic resonance image (MRI) signal data associated with the perfluorinated gas and oxygen mixture.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: May 23, 2023
    Assignee: Duke University
    Inventors: Hal Cecil Charles, Brian J. Soher
  • Publication number: 20210059561
    Abstract: Systems and methods for generating MRI images of the lungs and/or airways of a subject using a medical grade gas mixture comprises between about 20-79% inert perfluorinated gas and oxygen gas. The images are generated using acquired 19F magnetic resonance image (MRI) signal data associated with the perfluorinated gas and oxygen mixture.
    Type: Application
    Filed: October 29, 2020
    Publication date: March 4, 2021
    Inventors: Hal Cecil Charles, Brian J. Soher
  • Publication number: 20170303820
    Abstract: Systems and methods for generating MRI images of the lungs and/or airways of a subject using a medical grade gas mixture comprises between about 20-79% inert perfluorinated gas and oxygen gas. The images are generated using acquired 19F magnetic resonance image (MRI) signal data associated with the perfluorinated gas and oxygen mixture.
    Type: Application
    Filed: July 7, 2017
    Publication date: October 26, 2017
    Inventors: Hal Cecil Charles, Brian J. Soher
  • Patent number: 9724015
    Abstract: Systems and methods for generating MRI images of the lungs and/or airways of a subject using a medical grade gas mixture comprises between about 20-79% inert perfluorinated gas and oxygen gas. The images are generated using acquired 19F magnetic resonance image (MRI) signal data associated with the perfluorinated gas and oxygen mixture.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: August 8, 2017
    Assignee: Duke University
    Inventors: Hal Cecil Charles, Brian J. Soher
  • Publication number: 20160113548
    Abstract: Systems and methods for generating MRI images of the lungs and/or airways of a subject using a medical grade gas mixture comprises between about 20-79% inert perfluorinated gas and oxygen gas. The images are generated using acquired 19F magnetic resonance image (MRI) signal data associated with the perfluorinated gas and oxygen mixture.
    Type: Application
    Filed: January 4, 2016
    Publication date: April 28, 2016
    Inventors: Hal Cecil Charles, Brian J. Soher
  • Patent number: 9254098
    Abstract: Systems and methods for generating MRI images of the lungs and/or airways of a subject using a medical grade gas mixture comprises between about 20-79% inert perfluorinated gas and oxygen gas. The images are generated using acquired 19F magnetic resonance image (MRI) signal data associated with the perfluorinated gas and oxygen mixture.
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: February 9, 2016
    Assignee: Duke University
    Inventors: Hal Cecil Charles, Brian J. Soher
  • Publication number: 20130006094
    Abstract: Systems and methods for generating MRI images the lungs and/or airways of a subject using a medical grade gas mixture comprises between about 20-79% inert perfluorinated gas and at least about 20.5% oxygen gas. The images are generated using acquired 19F magnetic resonance image (MRI) signal data associated with the perfluorinated gas and oxygen mixture.
    Type: Application
    Filed: February 16, 2011
    Publication date: January 3, 2013
    Inventors: Hal Cecil Charles, Brian J. Soher