Patents by Inventor LIU GUOZHU

LIU GUOZHU 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: 10016069
    Abstract: Various embodiments of the present invention are directed to a children's bouncer controlled by a bouncer control device configured to detect the natural frequency of the children's bouncer utilizing a motion sensing apparatus, such as a Hall effect sensor, and maintain oscillation of the children's bouncer via a magnetic drive mechanism. The magnetic drive mechanism may include a sliding mobile member driven by an electromagnet in order to impart a motive force to the children's bouncer.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: July 10, 2018
    Assignee: KIDS II, INC.
    Inventors: Liu Guozhu, Zou Shuiyan, Chen Tianhong, Deng Zhaoneng
  • Publication number: 20160037942
    Abstract: Various embodiments of the present invention are directed to a children's bouncer controlled by a bouncer control device configured to detect the natural frequency of the children's bouncer utilizing a motion sensing apparatus, such as a Hall effect sensor, and maintain oscillation of the children's bouncer via a magnetic drive mechanism. The magnetic drive mechanism may include a sliding mobile member driven by an electromagnet in order to impart a motive force to the children's bouncer.
    Type: Application
    Filed: August 7, 2015
    Publication date: February 11, 2016
    Inventors: LIU GUOZHU, ZOU SHUIYAN, CHEN TIANHONG, DENG ZHAONENG