Patents by Inventor Jenn-Hwang Chen

Jenn-Hwang Chen 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: 5876026
    Abstract: A pair of clamp pliers comprises an upper clip plate, a lower clip plate, a torsion spring disposed between the upper clip plate and the lower clip plate, a pivot pin passing through the torsion spring to fasten the upper clip plate and the lower clip plate together, a first recess hole formed on a front portion of the upper clip plate to receive a first compression spring and an upper mount, and a second recess hole formed on a front portion of the lower clip plate to receive a second compression spring and a lower mount.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: March 2, 1999
    Inventor: Jenn-Hwang Chen
  • Patent number: 5702175
    Abstract: A movable lamp device has a clamp device, a lamp casing, and a flexible tube connecting the clamp device and the lamp casing. The clamp device has a first clamp and a second clamp disposed under the first clamp. The first clamp and the second clamp are fastened pivotally. The lamp casing has a first half housing and a second half housing coupling with the first half housing. A main lamp is disposed in a front of the lamp casing. A flash lamp and a cell chamber are disposed on a first side of the lamp casing. A hook device is disposed on a second side of the lamp casing. A cell cover covers the cell chamber. A switch is disposed on a top portion of the lamp casing. A threaded recess hole is formed in a rear portion of the lamp casing to receive a second end of the flexible tube. A threaded through hole is formed on the first clamp to receive a first end of the flexible tube.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: December 30, 1997
    Inventor: Jenn-Hwang Chen