Patents by Inventor Pil Soo Chang

Pil Soo 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).

  • Clothing dryer and blockage detection method thereof
    Patent number: 9435587
    Abstract: A method for detecting a degree of blockage of an exhaust duct includes detecting the temperature of air in an intake and exhaust system, calculating a rate of change of the detected temperature, and determining a degree of blockage of the exhaust duct based on the detected temperature and the rate of change of the detected temperature.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: September 6, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung Woo Lee, Hee Beom Park, Sang Oh Yoo, Geun Kang, Pil Soo Chang
  • CLOTHING DRYER AND BLOCKAGE DETECTION METHOD THEREOF
    Publication number: 20130255101
    Abstract: A method for detecting a degree of blockage of an exhaust duct includes detecting the temperature of air in an intake and exhaust system, calculating a rate of change of the detected temperature, and determining a degree of blockage of the exhaust duct based on the detected temperature and the rate of change of the detected temperature.
    Type: Application
    Filed: March 27, 2013
    Publication date: October 3, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung Woo Lee, Hee Beom Park, Sang Oh Yoo, Geun Kang, Pil Soo Chang