Patents by Inventor Dong Suk Ko

Dong Suk Ko 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).

  • Cleaning device
    Patent number: 10470633
    Abstract: A cleaning device includes an inhalation unit to generate inhalation force to inhale air into a main body, the inhalation unit comprising: an impeller that is rotatable; an impeller cover having an inlet damper formed therein; and a return channel that is coupled to the impeller cover so that the impeller is capable of being accommodated in the return channel and that is directly coupled to the impeller so that air passing through the impeller is capable of being introduced into the return channel, the return channel comprising: an inner frame; and an outer frame at an outer side of the inner frame so as to be spaced apart from the inner frame.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: November 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Kim, Sang Won Lee, Dong Suk Ko, Jin Hyung Park, Eung Ryeol Seo, Hyeon Joon Oh, Joo Yong Lee, Jae Ho Choi, Kwang Su Heo
  • CLEANING DEVICE
    Publication number: 20170332861
    Abstract: A cleaning device includes an inhalation unit to generate inhalation force to inhale air into a main body, the inhalation unit comprising: an impeller that is rotatable; an impeller cover having an inlet damper formed therein; and a return channel that is coupled to the impeller cover so that the impeller is capable of being accommodated in the return channel and that is directly coupled to the impeller so that air passing through the impeller is capable of being introduced into the return channel, the return channel comprising: an inner frame; and an outer frame at an outer side of the inner frame so as to be spaced apart from the inner frame.
    Type: Application
    Filed: August 7, 2017
    Publication date: November 23, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun KIM, Sang Won LEE, Dong Suk KO, Jin Hyung PARK, Eung Ryeol SEO, Hyeon Joon OH, Joo Yong LEE, Jae Ho CHOI, Kwang Su HEO
  • Cleaning device
    Patent number: 9757000
    Abstract: A cleaning device includes an improved structure in which cleaning performance can be improved. The cleaning device includes an inhalation unit to generate inhalation force to inhale air into a main body, wherein the inhalation unit includes: an impeller that is rotatable; an impeller cover having an inlet damper formed therein; and a return channel coupled to the impeller cover so that the impeller can be accommodated in the return channel, wherein the return channel includes: an inner frame; and an outer frame placed at an outer side of the inner frame so as to be spaced apart from the inner frame, and a plurality of wings are disposed between the inner frame and the outer frame.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: September 12, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Joo Kim, Sang Won Lee, Dong Suk Ko, Jin Hyung Park, Eung Ryeol Seo, Hyeon Joon Oh, Joo Yong Lee, Jae Ho Choi, Kwang Su Heo
  • CLEANING DEVICE
    Publication number: 20150173577
    Abstract: A cleaning device includes an improved structure in which cleaning performance can be improved. The cleaning device includes an inhalation unit to generate inhalation force to inhale air into a main body, wherein the inhalation unit includes: an impeller that is rotatable; an impeller cover having an inlet damper formed therein; and a return channel coupled to the impeller cover so that the impeller can be accommodated in the return channel, wherein the return channel includes: an inner frame; and an outer frame placed at an outer side of the inner frame so as to be spaced apart from the inner frame, and a plurality of wings are disposed between the inner frame and the outer frame.
    Type: Application
    Filed: October 27, 2014
    Publication date: June 25, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Joo Kim, Sang Won Lee, Dong Suk Ko, Jin Hyung Park, Eung Ryeol Seo, Hyeon Joon Oh, Joo Yong Lee, Jae Ho Choi, Kwang Su Heo