Patents by Inventor Wang Kyu Kang

Wang Kyu Kang 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).

  • Cable pulling machine for use in removing underground cables
    Patent number: 7475865
    Abstract: A machine of pulling out a cable from duct includes a main rotation jig connected to a hydraulic pressure motor and rotated contacting with the cable so as to pull out the cable, a winch rotated with the main rotation jig so as to stretch the pulled-out cable, a sub rotation jig mounted to be movable back and forth adjacent or separated from the main rotation jig and to be rotatable so as to stretch the cable between the main rotation jigs, and a table equipped with the main rotation jig, the winch and the sub rotation jig, and mounted vertical to the surface. The machine pulls out a cable in the fixed state to reduce the working area and labor force as well as to increase and control a traction power.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: January 13, 2009
    Assignee: KT Corporation
    Inventors: Seong Taek Jeong, Jin Woo Han, Hyoung Woo Kim, Yong Kun Noh, Wang Kyu Kang, Byong Soo Woo
  • CABLE PULLING MACHINE FOR USE IN REMOVING UNDERGROUND CABLES
    Publication number: 20080111115
    Abstract: A machine of pulling out a cable from duct includes a main rotation jig connected to a hydraulic pressure motor and rotated contacting with the cable so as to pull out the cable, a winch rotated with the main rotation jig so as to stretch the pulled-out cable, a sub rotation jig mounted to be movable back and forth adjacent or separated from the main rotation jig and to be rotatable so as to stretch the cable between the main rotation jigs, and a table equipped with the main rotation jig, the winch and the sub rotation jig, and mounted vertical to the surface. The machine pulls out a cable in the fixed state to reduce the working area and labor force as well as to increase and control a traction power.
    Type: Application
    Filed: November 13, 2007
    Publication date: May 15, 2008
    Applicant: KT CORPORATION
    Inventors: SEONG TAEK JEONG, JIN WOO HAN, HYOUNG WOO KIM, YONG KUN NOH, WANG KYU KANG, BYONG SOO WOO