Patents by Inventor HUIFANG DU

HUIFANG DU 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: 10822738
    Abstract: A washing machine door having a decorative ring comprises a time display module (4), a light strip (9), a control device, and a middle frame (5). The time display module (4), the light strip (9) consisting of LED beads, and the control device are installed on the middle frame (5). A mounting area is formed on the middle frame (5) to install therein the time display module (4). Also provided is a decorative ring (3) having a shape matching the middle frame (5). The decorative ring (3) comprises a film layer and a base (3-1). The base (3-1) comprises a time display area (3-1-1) corresponding to the time display module (4), and a remaining area serving as a light display area (3-1-2). The time display area (3-1-1) has transmittance exceeding that of the light display area (3-1-2) of the decorative ring (3). Also provided is a washing machine using the door and a laundry method.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: November 3, 2020
    Assignee: QINGDAO HAIER DRUM WASHING MACHINE CO., LTD.
    Inventors: Zongrui Chi, Zhi Chen, Yongchao Chen, Houli Luan, Chao Xu, Huifang Du
  • Publication number: 20190112746
    Abstract: A washing machine door having a decorative ring comprises a time display module (4), a light strip (9), a control device, and a middle frame (5). The time display module (4), the light strip (9) consisting of LED beads, and the control device are installed on the middle frame (5). A mounting area is formed on the middle frame (5) to install therein the time display module (4). Also provided is a decorative ring (3) having a shape matching the middle frame (5). The decorative ring (3) comprises a film layer and a base (3-1). The base (3-1) comprises a time display area (3-1-1) corresponding to the time display module (4), and a remaining area serving as a light display area (3-1-2). The time display area (3-1-1) has transmittance exceeding that of the light display area (3-1-2) of the decorative ring (3). Also provided is a washing machine using the door and a laundry method.
    Type: Application
    Filed: March 21, 2017
    Publication date: April 18, 2019
    Inventors: ZONGRUI CHI, ZHI CHEN, YONGCHAO CHEN, HOULI LUAN, CHAO XU, HUIFANG DU