Patents by Inventor Muhammad Ahsan Zafar

Muhammad Ahsan Zafar 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).

  • Portable oral positive expiratory pressure-generating devices with variable expiratory airflow resistances
    Patent number: 11951354
    Abstract: A positive expiratory pressure-generating device for reducing breathlessness in a subject with one or more pulmonary disorders is disclosed. The device is rigid and hollow and can be held in the mouth of the subject. The device has at least one air chamber, at least one opening in the portion of the device that is held in the mouth and at least one additional airflow orifice. The device is configured to increase expiratory resistance and can be supported by the mouth of the subject without the need for additional support by hands, another device or other means.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: April 9, 2024
    Assignee: University of Cincinnati
    Inventors: Muhammad Ahsan Zafar, Ralph J Panos
  • Portable Oral Positive Expiratory Pressure-Generating Devices with Variable Expiratory Airflow Resistances
    Publication number: 20220088438
    Abstract: A positive expiratory pressure-generating device for reducing breathlessness in a subject with one or more pulmonary disorders is disclosed. The device is rigid and hollow and can be held in the mouth of the subject. The device has at least one air chamber, at least one opening in the portion of the device that is held in the mouth and at least one additional airflow orifice. The device is configured to increase expiratory resistance and can be supported by the mouth of the subject without the need for additional support by hands, another device or other means.
    Type: Application
    Filed: September 20, 2021
    Publication date: March 24, 2022
    Applicant: University of Cincinnati
    Inventors: Muhammad Ahsan Zafar, Ralph J. Panos