Patents by Inventor Kelson Z. Y. Yen

Kelson Z. Y. Yen 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).

  • Passive vibration isolating system
    Patent number: 6126136
    Abstract: A passive vibration isolating system includes a sliding piece having its lower portion mounted on a base member and a first contact surface defined between the lower portion of the sliding piece and the top portion of the base member, and a supporting member mounted on the upper portion of the sliding piece and a second contact surface defined between the bottom portion of the supporting member and the upper portion of the sliding piece. At least one of the first and second contact surfaces is a curved surface with a concave-convex engagement.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: October 3, 2000
    Assignee: Taichung Machinery Works Co., Ltd.
    Inventors: Kelson Z. Y. Yen, Yuan-Jyi Lee
  • Passive vibration isolating system
    Patent number: 6021992
    Abstract: A passive vibration isolating system includes a sliding piece having a lower portion mounted on a base member and a first contact surface defined between the lower portion of the sliding piece and a top portion of the base member, and a supporting member mounted on an upper portion of the sliding piece and a second contact surface defined between a bottom portion of the supporting member and the upper portion of the sliding piece. At least one of the first and second contact surfaces is a curved surface with a concave-convex engagement.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: February 8, 2000
    Assignee: Taichung Machinery Works Co., Ltd.
    Inventors: Kelson Z. Y. Yen, Yuan-Jyi Lee
  • Servo-type shaking table assembly
    Patent number: 5724893
    Abstract: A shaking table assembly includes a plurality of first linear guides arranged in parallel with each other. A supporting table is slidably mounted on the first linear guides along a longitudinal direction thereof. A plurality of second linear guides are fixedly mounted on a top surface of the supporting table and are arranged in parallel with each other and perpendicular to the plurality of first linear guides. A testing table is slidably mounted on the second linear guides along a longitudinal direction thereof.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: March 10, 1998
    Assignee: Taichung Machinery Works Co. Ltd.
    Inventors: Yuan-jyi Lee, Chao-hsi Cheng, Kelson Z. Y. Yen