Patents by Inventor Fangfang Duan

Fangfang Duan 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).

  • MASK DEVICE AND EVAPORATION METHOD
    Publication number: 20210214836
    Abstract: The present disclosure provides a mask device and an evaporation method. The mask device includes a first mask plate. The first mask plate includes a first frame, and a first mask strip on the first frame. The first mask strip includes: a first sub-mask strip and a second sub-mask strip spliced with each other; the first sub-mask strip includes a first hollow region; and a thickness of a central region of the second sub-mask strip is less than a thickness of an edge region of the second sub-mask strip, the edge region of the second sub-mask strip surrounding the central region of the second sub-mask strip.
    Type: Application
    Filed: April 24, 2020
    Publication date: July 15, 2021
    Inventors: Fengli JI, Shaoduan LIANG, Xiaoyu YANG, Fangfang DUAN, Chang LUO
  • Packing box for ceiling light
    Patent number: D817776
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: May 15, 2018
    Assignee: SHENZHEN BRIGHTER LIGHTING CO., LTD
    Inventors: Fangfang Duan, Ji Wu
  • Packing box for rope lights
    Patent number: D817777
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: May 15, 2018
    Assignee: SHENZHEN BRIGHTER LIGHTING CO., LTD
    Inventors: Fangfang Duan, Ji Wu
  • Packing box for smart bulbs
    Patent number: D817778
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: May 15, 2018
    Assignee: SHENZHEN BRIGHTER LIGHTING CO., LTD
    Inventors: Fangfang Duan, Ji Wu
  • Packing box for LED bulbs
    Patent number: D824265
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: July 31, 2018
    Assignee: SHENZHEN BRIGHTER LIGHTING CO., LTD
    Inventors: Fangfang Duan, Ji Wu
  • Packing box for strip lights
    Patent number: D824778
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: August 7, 2018
    Assignee: SHENZHEN BRIGHTER LIGHTING CO., LTD
    Inventors: Fangfang Duan, Ji Wu