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: 20260144681
    Abstract: An ear washing device with a waste liquid withdrawal function is disclosed, including: a body; an earmuff disposed on the body, the earmuff being provided with a liquid return port at a lower part thereof; a water spray assembly disposed on the body and including a water storage chamber, a first water pump and a sprayer, an input end of the first water pump being communicated with the water storage chamber, an output end of the first water pump being communicated with the sprayer, and the sprayer extending inside the earmuff; and a second water pump, disposed on the body, an input end of the second water pump being communicated with the liquid return port, the body being provided with a waste liquid chamber, and an output end of the second water pump being connected to the waste liquid chamber.
    Type: Application
    Filed: November 26, 2024
    Publication date: May 28, 2026
    Applicant: Guangdong Okay Technology Co., Ltd.
    Inventor: Rangming ZHANG
  • Publication number: 20250241821
    Abstract: A fascia gun storage devices and kits including fascia guns and such storage devices are provided. A fascia gun storage device includes a box body and a fascia gun module. The box body has a housing cavity and an installation opening communicated with the housing cavity. The housing cavity is capable of receiving at least one first massage head. The fascia gun module may include a housing and a second massage head. The second massage head is arranged protruding from the housing and detachably connected with the housing. The housing and the box body are detachably connected, so as to open or close the installation opening. When the housing closes the installation opening, the second massage head is stored in the housing cavity. This design facilitates improved protection for each massage head, allowing for convenient carrying and simplifying the use of such fascia guns.
    Type: Application
    Filed: October 2, 2024
    Publication date: July 31, 2025
    Inventor: Rangming ZHANG
  • 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