Patents by Inventor Rangming Zhang

Rangming Zhang 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).

  • Publication number: 20250120487
    Abstract: A care appliance is disclosed, which includes a housing, a drive assembly and a care component. An accommodation cavity is formed in the housing, the housing includes a base and a housing lid, and the base is connected with the housing lid through a fastener. The drive assembly includes a drive member and a connector, the drive member is disposed in the accommodation cavity, the connector is rotationally connected to a bottom of the housing, and the drive member is in transmission connection with the connector. The care component is detachably connected with the connector, and the drive assembly can drive the care component to rotate back and forth through the connector. The care appliance can optimize the cleaning effect, so as to better meet user's needs.
    Type: Application
    Filed: November 22, 2024
    Publication date: April 17, 2025
    Applicant: Guangdong Okay Technology Co., Ltd.
    Inventors: Rangming ZHANG, Song JIANG
  • Patent number: D924483
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: July 6, 2021
    Assignee: Zhongshan Okay Plastics & Electronic Co., Ltd.
    Inventor: Rangming Zhang
  • Patent number: D929600
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: August 31, 2021
    Assignee: Zhongshan Okay Plastics & Electronic Co., Ltd.
    Inventor: Rangming Zhang
  • Patent number: D937581
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: December 7, 2021
    Assignee: Zhongshan Okay Plastics & Electronic Co., Ltd.
    Inventor: Rangming Zhang
  • Patent number: D941029
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: January 18, 2022
    Assignee: ZHONGSHAN OKAY PLASTICS & ELECTRONIC CO., LTD.
    Inventor: Rangming Zhang
  • Patent number: D972103
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: December 6, 2022
    Assignee: Zhongshan Okay Plastics & Electronic Co., Ltd
    Inventor: Rangming Zhang
  • Patent number: D975258
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: January 10, 2023
    Assignee: ZHONGSHAN OKAY PLASTICS & ELECTRONIC CO., LTD
    Inventor: Rangming Zhang
  • Patent number: D999390
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: September 19, 2023
    Assignee: Zhongshan Okay Plastics & Electronic Co., Ltd.
    Inventor: Rangming Zhang
  • Patent number: D1010840
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: January 9, 2024
    Assignee: Guangdong Okay Technology Co., Ltd.
    Inventor: Rangming Zhang