Patents by Inventor Dong Hee Jang

Dong Hee Jang 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).

  • Publication number: 20240240815
    Abstract: An air purifier is disclosed.
    Type: Application
    Filed: January 8, 2024
    Publication date: July 18, 2024
    Applicant: COWAY Co., Ltd.
    Inventors: Jae Hoon KIM, Young Choon PARK, Seon Ho LEE, Jun Hyoung BAE, Dong Hee JANG
  • Patent number: 8267339
    Abstract: The present invention provides a transfer unit having a transfer rotor and a food waste treatment apparatus using the transfer unit. The transfer unit includes the transfer rotor, a housing and a sieve. The transfer rotor includes a rotor body, and at least one blade provided on the circumferential outer surface of the rotor body. The housing has a hollow container shape and contains the transfer rotor therein such that the transfer rotor is rotatable without interference from the housing. The housing is inclined at a predetermined angle with respect to the horizontal plane. The sieve is provided in the housing to guide discharge of sewage from food waste. The sieve is disposed in the lower portion of the housing to drain the sewage generated from the food waste to the outside of the housing.
    Type: Grant
    Filed: February 10, 2010
    Date of Patent: September 18, 2012
    Assignee: Woongjin Coway Co., Ltd.
    Inventors: Myung Jin Park, Chang Young Lee, Dong Hee Jang
  • Publication number: 20100213298
    Abstract: The present invention provides a transfer unit having a transfer rotor and a food waste treatment apparatus using the transfer unit. The transfer unit includes the transfer rotor, a housing and a sieve. The transfer rotor includes a rotor body, and at least one blade provided on the circumferential outer surface of the rotor body. The housing has a hollow container shape and contains the transfer rotor therein such that the transfer rotor is rotatable without interference from the housing. The housing is inclined at a predetermined angle with respect to the horizontal plane. The sieve is provided in the housing to guide discharge of sewage from food waste. The sieve is disposed in the lower portion of the housing to drain the sewage generated from the food waste to the outside of the housing.
    Type: Application
    Filed: February 10, 2010
    Publication date: August 26, 2010
    Applicant: WOONGJIN COWAY CO., LTD.
    Inventors: Myung Jin Park, Chang Young Lee, Dong Hee Jang