Patents by Inventor Liao Tsung Ming

Liao Tsung Ming 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).

  • Massaging chair
    Patent number: 6390546
    Abstract: A massaging chair has a backrest, a seat, two armrests, and a hassock. The backrest is provided with a first cross rod, whereas the hassock is provided with a second cross rod which is connected with the first cross rod of the backrest by a connection rod in conjunction with an air pressure cylinder. As the backrest is reclined, the hassock is raised. Both the backrest and the hassock can be adjusted to be horizontal in relation to the seat.
    Type: Grant
    Filed: July 6, 2000
    Date of Patent: May 21, 2002
    Inventor: Liao Tsung Ming
  • Folding chair having a seat adjustable in height
    Patent number: 5868469
    Abstract: A folding chair is composed of a support frame, two seat support arms fastened with the support frame by retaining pieces capable of sliding along the support frame, and a seat mounted on the two seat support arms. The seat can be adjusted in height by sliding the two seat support arms upward or downward along the support frame. The seat is located at a desired height by a counterclockwise moment of couple brought about by the seat support arms and the retaining pieces at the time when the seat support arms are exerted on by the body weight of a person seated on the seat.
    Type: Grant
    Filed: March 30, 1998
    Date of Patent: February 9, 1999
    Inventor: Liao Tsung Ming