Patents by Inventor Keng-Hui Chu

Keng-Hui Chu 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).

  • Multi-function machine
    Publication number: 20090194512
    Abstract: A multi-function machine includes an electrode having a passage, a power supply device electrically connected with the two opposite terminals thereof to the electrode and the workpiece to be processed, a feeder for selectively feeding a gas or fluid to the passage of the electrode, a first laser beam and a second laser beam respectively projected through the passage of the electrode onto the workpiece, and a detection control device for receiving the reflective light wave of the second laser beam reflected by the workpiece.
    Type: Application
    Filed: June 9, 2008
    Publication date: August 6, 2009
    Applicant: CONTREL TECHNOLOGY CO., LTD.
    Inventors: Chia-Lung Kuo, Pei-Lun Huang, Keng-Hui Chu, Shih-Min Chen