Patents by Inventor Dandan BAI

Dandan BAI 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: 11415280
    Abstract: The ceiling lamp includes a top plate, a ceiling shell, an air guide shell, a main shell and a lampshade. A first accommodation cavity is formed between the ceiling shell and the air guide shell. A second accommodation cavity is formed with the lampshade. An illuminant board is configured in the second accommodation cavity. A fan is configured coaxially on the axis of the air guide shell. An air passage connected with the fan is opened on the lampshade by invagination along the axial direction of the lampshade. At least one air hole is formed on air guide shell. A filter screen module is detachably configured in the air passage. The external air flow is discharged from the air hole through the fan by the filter module, or enters from the air hole and then discharges through the filter module after passing through the fan.
    Type: Grant
    Filed: September 26, 2021
    Date of Patent: August 16, 2022
    Inventor: Dandan Bai
  • Publication number: 20220228717
    Abstract: The ceiling lamp includes a top plate, a ceiling shell, an air guide shell, a main shell and a lampshade. A first accommodation cavity is formed between the ceiling shell and the air guide shell. A second accommodation cavity is formed with the lampshade. An illuminant board is configured in the second accommodation cavity. A fan is configured coaxially on the axis of the air guide shell. An air passage connected with the fan is opened on the lampshade by invagination along the axial direction of the lampshade. At least one air hole is formed on air guide shell. A filter screen module is detachably configured in the air passage. The external air flow is discharged from the air hole through the fan by the filter module, or enters from the air hole and then discharges through the filter module after passing through the fan.
    Type: Application
    Filed: September 26, 2021
    Publication date: July 21, 2022
    Inventor: Dandan BAI