Patents by Inventor Byeongchul (Brian) Na

Byeongchul (Brian) 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).

  • Temperature Stabilized Heating System For Spa
    Publication number: 20070180607
    Abstract: A spa tub includes a control system that operates with a water temperature modification system to stabilize the spa water at a set temperature. In a preferred embodiment, the water temperature modification system is a heat pump. The stabilized temperature provides safety to users of the spa.
    Type: Application
    Filed: April 10, 2007
    Publication date: August 9, 2007
    Inventors: David Pickrell, Byeongchul (Brian) Na, Andrew Tournas, Patrick Graham
  • Retrofit Heating System For Spa
    Publication number: 20070180606
    Abstract: A spa is retrofit for use with a heat pump for both heating and cooling the water contained in the spa tub. The heat pump uses the existing water pump of the hydrotherapy system to circulate the water through the heat exchanger of the heat pump.
    Type: Application
    Filed: April 10, 2007
    Publication date: August 9, 2007
    Inventors: David Pickrell, Byeongchul (Brian) Na, Andrew Tournas, Patrick Graham