Patents by Inventor Won Rock Lee

Won Rock Lee 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).

  • Flame-blocking system and construction method
    Patent number: 8857528
    Abstract: A flame-blocking system includes flame retardant foam having at least one through hole and at least one flame retardant tube passing through the through hole. Both the flame retardant foam and the flame retardant tube comprise graphite, aluminum hydroxide and ammonium phosphate in addition to a base resin. The flame-blocking system prevents flames and toxic gases generated during a fire or a similar accident from being spread through holes through which a wire, a cable or a pipe is installed across a wall of buildings or ships, which can reduce damage to life and property.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: October 14, 2014
    Assignee: 3M Innovative Properties Company
    Inventor: Won Rock Lee
  • FLAME-BLOCKING SYSTEM AND CONSTRUCTION METHOD
    Publication number: 20110088917
    Abstract: A flame-blocking system includes flame retardant foam having at least one through hole and at least one flame retardant tube passing through the through hole. Both the flame retardant foam and the flame retardant tube comprise graphite, aluminum hydroxide and ammonium phosphate in addition to a base resin. The flame-blocking system prevents flames and toxic gases generated during a fire or a similar accident from being spread through holes through which a wire, a cable or a pipe is installed across a wall of buildings or ships, which can reduce damage to life and property.
    Type: Application
    Filed: July 19, 2010
    Publication date: April 21, 2011
    Inventor: Won Rock Lee