Patents by Inventor Ching-Hui Yao

Ching-Hui Yao 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: 5366430
    Abstract: An improved twist disc structure having a base disc with an axle in the center thereof for pivotally fitted thereon a movable disc, the upper surface of the base disc being provided with a plurality of undulating tracks. The movable disc has multiple through holes provided therein, and each through hole accommodates a lifting element. The base of these through holes are supported on the tracks. When the movable disc rotates on the base disc, the lifting elements move up and down in the corresponding through holes to massage the points on the soles of the user.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: November 22, 1994
    Inventor: Ching-Hui Yao
  • Patent number: 5258963
    Abstract: An automatic rocking device including a container with a curved base and having accommodated therein a timepiece, a power supply device, a delay circuit and an automatic rocking mechanism. When the motor gets power supply, it drives the mechanism to reciprocate along the axis of gravity of the container to cause the container to lose equilibrium and rock.
    Type: Grant
    Filed: March 4, 1993
    Date of Patent: November 2, 1993
    Inventor: Ching-Hui Yao