Patents by Inventor Qiongquan Lin

Qiongquan Lin 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: 11659909
    Abstract: The present invention provides a multifunctional hair straightening and curling device, including: an upper main body, a lower main body and a handle, wherein the upper heating body is disposed on the upper main body, the lower heating body is disposed on the lower main body, one end of the upper heating body and one end of the lower heating body are rotatably connected by a rotary shaft, a button is disposed on the upper main body, the upper surface of the upper main body is provided with first air outlets, the upper main body is provided with a first air outlet passage therein, the lower surface of the lower main body is provided with second air outlets, the lower main body is provided with a second air outlet passage therein, the handle is provided with a fan therein.
    Type: Grant
    Filed: January 27, 2019
    Date of Patent: May 30, 2023
    Inventors: Qiongquan Lin, Shenglong Wei, Shengquan Wang, Taiqiao Yin, Peikai Zhu
  • Publication number: 20200069021
    Abstract: The present invention provides a multifunctional hair straightening and curling device, including: an upper main body, a lower main body and a handle, wherein the upper heating body is disposed on the upper main body, the lower heating body is disposed on the lower main body, one end of the upper heating body and one end of the lower heating body are rotatably connected by a rotary shaft, a button is disposed on the upper main body, the upper surface of the upper main body is provided with first air outlets, the upper main body is provided with a first air outlet passage therein, the lower surface of the lower main body is provided with second air outlets, the lower main body is provided with a second air outlet passage therein, the handle is provided with a fan therein.
    Type: Application
    Filed: January 27, 2019
    Publication date: March 5, 2020
    Inventors: QIONGQUAN LIN, SHENGLONG WEI, SHENGQUAN WANG, TAIQIAO YIN, PEIKAI ZHU
  • Patent number: D831357
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: October 23, 2018
    Assignee: DONGGUAN BIDISCO ELECTRIC CO., LTD.
    Inventor: Qiongquan Lin
  • Patent number: D876014
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: February 18, 2020
    Assignee: DONGGUAN BIDISCO ELECTRIC CO., LTD.
    Inventors: Qiongquan Lin, Shenglong Wei, Shengquan Wang, Taiqiao Yin, Peikai Zhu
  • Patent number: D876015
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: February 18, 2020
    Assignee: DONGGUAN BIDISCO ELECTRIC CO., LTD.
    Inventors: Qiongquan Lin, Shenglong Wei, Shengquan Wang, Taiqiao Yin, Peikai Zhu
  • Patent number: D876721
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: February 25, 2020
    Inventor: Qiongquan Lin
  • Patent number: D877413
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: March 3, 2020
    Assignee: Dongguan Bidisco Electric CO., LTD
    Inventor: Qiongquan Lin