Patents by Inventor Hwl Chan Jang

Hwl Chan 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).

  • Cleaning apparatus
    Publication number: 20110010873
    Abstract: A cleaning apparatus including a main body, a dust collection unit detachably installed on the main body and provided with a plurality of inlets, through which foreign substances are introduced into the dust collection unit, and a connection hole, to which an external instrument is connected, a shutter to open and close one inlet, and a cap to open and close the connection hole. The shutter opens and closes the inlet in cooperation with one of whether or not the dust collection unit is attached to or detached from the main body and whether or not the connection hole is opened or closed.
    Type: Application
    Filed: June 2, 2010
    Publication date: January 20, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Won Kim, Hwl Chan Jang, Jae Man Joo, Jun Pyo Hong, Jun Hwa Lee, Woo Ram Chung, Jae Young Jung, Kyung Hwan Yoo, Jang Youn Ko, Jeong Gon Song, Sam Jong Jeung