Patents by Inventor Wansong Ma

Wansong Ma 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).

  • Air-cooled negative ion hair curler
    Patent number: 11986081
    Abstract: The utility model relates to the technical field of hairdressing tools, and discloses an air-cooled negative ion hair curler with a negative ion channel and good shaping. The air-cooled negative ion hair curler comprises a housing, a driving mechanism, a hair curling mechanism, a heating assembly, and a fan assembly. An air supply channel is disposed in an inner hollow structure of the housing. A negative ion airflow delivered by the fan assembly cools the hair on the heating assembly through the air supply channel.
    Type: Grant
    Filed: October 27, 2023
    Date of Patent: May 21, 2024
    Inventor: Wansong Ma
  • Hair curler
    Patent number: D978425
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: February 14, 2023
    Assignee: SHENZHEN SANWIN TECHNOLOGY CO., LTD
    Inventors: Wansong Ma, Chengjiang Xia
  • Hair curler
    Patent number: D1018979
    Type: Grant
    Filed: October 24, 2023
    Date of Patent: March 19, 2024
    Inventor: Wansong Ma
  • Hair curler
    Patent number: D1020087
    Type: Grant
    Filed: November 30, 2023
    Date of Patent: March 26, 2024
    Inventor: Wansong Ma