Patents by Inventor Qiuna Liu

Qiuna Liu 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: 11248804
    Abstract: The present disclosure belongs to the technical field of the combustion heating stove, and disclosed is a stove including a stove body, an air inlet channel and an exhaust channel. When the stove body is used in an enclosed space, an air inlet end of the air inlet channel is in communication with an outside of the enclosed space, a connection end of the air inlet channel is in communication with an air inlet of the stove body, the air inlet channel is operative to introduce air into the stove body from the outside of the enclosed space; and a connection end of an exhaust channel is in communication with an exhaust port of the stove body, an exhaust end of the exhaust channel is in communication with the outside of the enclosed space, whereby the exhaust channel is operative to discharge exhaust gas in the stove body out of the enclosed space.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: February 15, 2022
    Inventors: Qiuna Liu, Bo Shi
  • Publication number: 20200333017
    Abstract: The present disclosure belongs to the technical field of the combustion heating stove, and disclosed is a stove including a stove body, an air inlet channel and an exhaust channel. When the stove body is used in an enclosed space, an air inlet end of the air inlet channel is in communication with an outside of the enclosed space, a connection end of the air inlet channel is in communication with an air inlet of the stove body, the air inlet channel is operative to introduce air into the stove body from the outside of the enclosed space; and a connection end of an exhaust channel is in communication with an exhaust port of the stove body, an exhaust end of the exhaust channel is in communication with the outside of the enclosed space, whereby the exhaust channel is operative to discharge exhaust gas in the stove body out of the enclosed space.
    Type: Application
    Filed: September 17, 2019
    Publication date: October 22, 2020
    Inventors: Qiuna Liu, Bo Shi