Patents by Inventor Son Cheal Bang

Son Cheal Bang 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).

  • Apparatus for measuring the degree of vacuum of a multistage vacuum heat-insulating member, and measurement method using same
    Patent number: 9074958
    Abstract: An apparatus for measuring the degree of vacuum of a multistage vacuum heat-insulating member and to a measurement method using the same includes a chamber in which a plurality of vacuum heat-insulating members are accommodated and which forms a sealed space; a shelf arranged within the chamber so as to support the plurality of vacuum heat-insulating members in a plurality of layers; a displacement sensor for sensing the displacement of each outer shell of the vacuum heat-insulating members stacked on the shelf; and a vacuum unit connected to the chamber so as to regulate the pressure of the internal space of the chamber.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: July 7, 2015
    Assignee: LG HAUSYS, LTD.
    Inventors: Jung Pil Han, Jong Kyon Jeong, Son Cheal Bang, Sung Seock Hwang