Patents by Inventor Guoyao ZHAO

Guoyao ZHAO 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).

  • Publication number: 20220346595
    Abstract: The present application discloses an electric roasting machine, including an outer housing, an inner housing and a heating device which are accommodated in the outer housing, the inner housing is defined between the outer housing and the heating device, and the inner housing cooperates with the heating device to form a heat insulating cavity. The electric roasting machine of the present application has the advantages of good heat insulation effect, less heat loss and high heat utilization rate.
    Type: Application
    Filed: July 18, 2022
    Publication date: November 3, 2022
    Inventors: Jianrong DU, Guoyao ZHAO, Minghui DU, Jiequan HUANG, Yan SHE, Yuhua HUANG, Pingying HAN, Xiubao LIN, Wenxiu ZHOU, Haitao LI, Gang WANG
  • Patent number: 11389025
    Abstract: An electric roasting machine includes an outer housing, a heating device accommodated in the outer housing, and an inner housing between the outer housing and the heating device. A heat insulating cavity is formed between the inner housing and the heating device. A heat dissipating passage is formed between the outer housing and the inner housing.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: July 19, 2022
    Assignee: FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING CO., LTD.
    Inventors: Jianrong Du, Guoyao Zhao, Minghui Du, Jiequan Huang, Yan She, Yuhua Huang, Pingying Han, Xiubao Lin, Wenxiu Zhou, Haitao Li, Gang Wang
  • Publication number: 20190254475
    Abstract: An electric roasting machine includes an outer housing, a heating device accommodated in the outer housing, and an inner housing between the outer housing and the heating device. A heat insulating cavity is formed between the inner housing and the heating device. A heat dissipating passage is formed between the outer housing and the inner housing.
    Type: Application
    Filed: July 4, 2017
    Publication date: August 22, 2019
    Inventors: Jianrong DU, Guoyao ZHAO, Minghui DU, Jiequan HUANG, Yan SHE, Yuhua HUANG, Pingying HAN, Xiubao LIN, Wenxiu ZHOU, Haitao LI, Gang WANG
  • Publication number: 20190246836
    Abstract: An electric roasting machine includes a housing defining a cavity having an upper opening, a heating device installed in the cavity, and a grill located at the opening of the cavity. The grill includes a carrying part extending into the cavity and located in a region covered by thermal radiation of the heating device.
    Type: Application
    Filed: July 4, 2017
    Publication date: August 15, 2019
    Applicant: FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING CO., LTD.
    Inventors: Jianrong DU, Guoyao ZHAO, Minghui DU, Jiequan HUANG, Yan SHE, Yuhua HUANG, Pingying HAN, Xiubao LIN, Wenxiu ZHOU, Haitao LI, Gang WANG