Patents by Inventor Sung Hwa Yang

Sung Hwa 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).

  • Patent number: 5647090
    Abstract: A comprehensive diverse nonleaking cleaning apparatus consists of a cleaning portion that sprays water and cleaning fluid while receiving waste products of the sprayed fluid, a waste discharge device that temporarily stores and discharges waste collected from the cleaning portion, and a high pressure hose for spraying fluid therein attached to the cleaning portion and to a blow out motor pump. The apparatus sprays a mixture of water and cleaning fluid and simultaneously retrieves and temporarily stores the waste (including the original sprayed content) by means of an added pressure hose connected to a motor pump. The lavatory embodiment, usable by individuals with limited movement, such as elderly, disabled, bedridden patients etc.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: July 15, 1997
    Inventor: Sung Hwa Yang