Patents by Inventor Hyeog M. Kweon

Hyeog M. Kweon 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).

  • Patent number: 5394588
    Abstract: A nozzle head for a vacuum cleaner employing a roller-shaped duster that can be rotated and removed in order to improve efficiency of duster-cleaning. The nozzle head comprises outer and inner casings spaced from each other, a duster supporting shaft detachably and rotatably mounted in the inner casing, a roller-shaped duster member inserted on the duster supporting shaft, a duster holding member which has means for holding the duster supporting shaft and is slidably mounted in the inner casing, means for locking the duster holding member which is fixed to the inner casing, and means for stopping the duster supporting shaft which is disposed between the duster holding member and the opposite ends of the duster supporting shaft.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: March 7, 1995
    Assignee: Goldstar Co., Ltd.
    Inventors: Hyeog M. Kweon, Young G. Min, Im M. Kim