Patents by Inventor II-Won Yang

II-Won Yang 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: 20040261212
    Abstract: A multifunction vacuum cleaner, in which a main body is removably connected to a frame portion, comprises a nozzle assembly for suctioning in an air including dusts or dirt on a cleaning area, a main body having a cyclone dust collector for centrifugally separating the dusts or dirt from the sucked air, a dust receptacle for collecting the separated dusts or dirt, a main body frame having an upper casing and a lower casing, a button operation portion formed on an upper part of the main body frame, and a connecting projection integrally formed with the button operation portion and moving elastically, and a frame portion which is pivotably connected with the nozzle assembly, and having a connecting groove to correspond to the connecting projection. The main body of the vacuum cleaner is removably mounted in the frame portion. As a result, the main body can be conveniently connected with or separate from the frame portion.
    Type: Application
    Filed: September 29, 2003
    Publication date: December 30, 2004
    Inventors: Jung-Seon Park, II-Won Yang