Patents by Inventor Ki Yong Chang

Ki Yong Chang 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).

  • KNEE TRACTION APPARATUS
    Publication number: 20150272768
    Abstract: A knee traction apparatus may include an upper frame provided to be worn on a thigh region and including an upper fraction member disposed in an end of the upper frame, and a lower frame provided to be worn on a lower leg region and including a lower traction member that is disposed in an end of the lower frame and is to rotate in mesh with the upper traction member. The upper traction member and the lower traction member may be in contact with each other in front of a knee joint.
    Type: Application
    Filed: September 4, 2014
    Publication date: October 1, 2015
    Inventor: Ki Yong Chang
  • Waist support with disc protection belt
    Patent number: 8795216
    Abstract: Provided is a waist support with a disc protection belt having functions of strongly pulling and fixing the backbone as well as extending the backbone.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: August 5, 2014
    Inventor: Ki Yong Chang
  • WAIST SUPPORT WITH DISC PROTECTION BELT
    Publication number: 20130144198
    Abstract: Provided is a waist support with a disc protection belt having functions of strongly pulling and fixing the backbone as well as extending the backbone.
    Type: Application
    Filed: August 13, 2012
    Publication date: June 6, 2013
    Inventor: Ki Yong Chang
  • Portable air neck traction device for orthopedic purpose
    Patent number: D662597
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: June 26, 2012
    Inventor: Ki Yong Chang
  • Hand operated air pump for traction device for orthopedic purpose
    Patent number: D669094
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: October 16, 2012
    Inventor: Ki Yong Chang
  • Automatic air pump for traction device for orthopedic purpose
    Patent number: D669095
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: October 16, 2012
    Inventor: Ki Yong Chang
  • Support panel for use with waist traction belt
    Patent number: D689616
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: September 10, 2013
    Inventor: Ki Yong Chang
  • Support panel for use with waist traction belt
    Patent number: D689617
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: September 10, 2013
    Inventor: Ki Yong Chang