Patents by Inventor Youcai Cai

Youcai Cai 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: 20200306583
    Abstract: A stepper exercise machine includes a machine body, a pedal linking rod, a pedal, a connecting assembly, a sliding rod, a sliding rod adjustment assembly, a connecting support, and a base. When in use, by adjusting the sliding rod adjustment assembly, the inclination angle of the sliding rod is adjusted, and the gradient for the pedal to be moved on the sliding rod is also adjusted, that is, the motion trajectory and exercise intensity of the stepper exercise machine is adjusted, thereby increasing the scope of use of the stepper exercise machine and meeting the diversified needs of the user.
    Type: Application
    Filed: March 26, 2019
    Publication date: October 1, 2020
    Inventors: Feng Gao, Youcai Cai
  • Patent number: D931956
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: September 28, 2021
    Inventors: Youcai Cai, Feng Gao