Patents by Inventor Wonaje CHO

Wonaje CHO 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).

  • DME-fueled generator
    Patent number: 12264617
    Abstract: The present invention relates to a dimethyl ether-fueled (DME-fueled) generator. Since the DME-fueled generator uses DME which is a clean fuel, there is no fine dust in the exhaust gas.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: April 1, 2025
    Assignee: BIO FRIENDS INC.
    Inventors: Wonjun Cho, Jeseol Lee, Youngsoo Lee, Wonaje Cho, Hyejin Yu, Junwoo Lee
  • DME-FUELED GENERATOR
    Publication number: 20240352887
    Abstract: The present invention relates to a dimethyl ether-fueled (DME-fueled) generator. Since the DME-fueled generator uses DME which is a clean fuel, there is no fine dust in the exhaust gas.
    Type: Application
    Filed: August 25, 2022
    Publication date: October 24, 2024
    Inventors: Wonjun CHO, Jeseol LEE, Youngsoo LEE, Wonaje CHO, Hyejin YU, Junwoo LEE
  • HYDROGEN GENERATOR
    Publication number: 20240075442
    Abstract: The present invention relates to a hydrogen generator, and the purpose of the present invention is to provide a hydrogen generator wherein thermal efficiency is maximized, structural changes according to amounts of production are easily implemented, and DME is used as the main source material.
    Type: Application
    Filed: March 18, 2022
    Publication date: March 7, 2024
    Inventors: Wonjun CHO, Jeseol LEE, Youngsoo LEE, Wonaje CHO, Hyejin YU, Junwoo LEE, Jeongil LEE