Patents Assigned to Yi-Shan Yao
  • Weaving machine
    Patent number: 6948530
    Abstract: A weaving machine is constructed to use a magnetic traction device to reciprocate the shuttle in moving weft threads over warp threads at a high speed without producing noise and preventing direct contact between parts.
    Type: Grant
    Filed: January 2, 2004
    Date of Patent: September 27, 2005
    Assignee: Yi-Shan Yao
    Inventor: Yung-Ho Liue