Patents by Inventor Jung Kyun Na

Jung Kyun Na 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).

  • Patent number: 10378810
    Abstract: Disclosed herein is an eco-friendly ice pack, which includes a water repellent material that maintains the shape of the ice pack and does not absorb a refrigerant, so that it can be easily separately discharged after use of the ice pack. In accordance with the present invention, the above and other objects can be accomplished by the provision of an eco-friendly ice pack including a refrigerant including a phase change material changing phase according to temperature, an outer case including the refrigerant and being formed by sealing in order to prevent the refrigerant from being discharged to the outside, and a water repellent supporter being disposed in the outer case, holding the shape of the ice pack to prevent the shape of the ice pack from being changed according to the shape of the refrigerant, and having water repellency to the refrigerant to avoid mixing with the refrigerant.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: August 13, 2019
    Inventors: Jung Kyun Na, Seok Choi
  • Publication number: 20190128585
    Abstract: Disclosed herein is an eco-friendly ice pack, which includes a water repellent material that maintains the shape of the ice pack and does not absorb a refrigerant, so that it can be easily separately discharged after use of the ice pack. In accordance with the present invention, the above and other objects can be accomplished by the provision of an eco-friendly ice pack including a refrigerant including a phase change material changing phase according to temperature, an outer case including the refrigerant and being formed by sealing in order to prevent the refrigerant from being discharged to the outside, and a water repellent supporter being disposed in the outer case, holding the shape of the ice pack to prevent the shape of the ice pack from being changed according to the shape of the refrigerant, and having water repellency to the refrigerant to avoid mixing with the refrigerant.
    Type: Application
    Filed: January 5, 2018
    Publication date: May 2, 2019
    Inventors: Jung Kyun Na, Seok Choi