Patents by Inventor Qingfang DIAO

Qingfang DIAO 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: 11834820
    Abstract: The present application relates to the technical field of a bathroom equipment, and particularly to a flow guide assembly and water seal floor drain. The water seal floor drain includes a floor drain seat, a floor drain cover, a fixing body, a water seal body assembly, a lifting rod and a sealing cover, in which an upper end of the lifting rod is slidably connected to the water seal body assembly, and an upper end of the sealing cover is rotationally connected at a center to the lifting rod. The flow guide assembly further includes a guide component provided at a side of the sealing cover departing from the lifting rod. A lower surface of the guide component acts as a second guide surface, and is configured to bulge downward. In addition, the present application relates to a flow guide assembly for guiding the flow of a fluid.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: December 5, 2023
    Inventor: Qingfang Diao
  • Publication number: 20230212849
    Abstract: The present application relates to the technical field of a bathroom equipment, and particularly to a flow guide assembly and water seal floor drain. The water seal floor drain includes a floor drain seat, a floor drain cover, a fixing body, a water seal body assembly, a lifting rod and a sealing cover, in which an upper end of the lifting rod is slidably connected to the water seal body assembly, and an upper end of the sealing cover is rotationally connected at a center to the lifting rod. The flow guide assembly further includes a guide component provided at a side of the sealing cover departing from the lifting rod. A lower surface of the guide component acts as a second guide surface, and is configured to bulge downward. In addition, the present application relates to a flow guide assembly for guiding the flow of a fluid.
    Type: Application
    Filed: December 30, 2022
    Publication date: July 6, 2023
    Inventor: Qingfang DIAO