Patents by Inventor Byeong Heui Hwang

Byeong Heui Hwang 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: 5980074
    Abstract: A device for removing moisture in a head lamp comprises a head lamp housing having an air vent hole; and an elastic valve member fixed to a wall portion of the head lamp housing, which defines the air vent hole, the elastic valve member having an exhaust valve for allowing air in the head lamp housing to be exhausted to an outside as a pressure of air in the head lamp housing is increased and an intake valve for allowing outside air to flow into the head lamp housing as the pressure of air in the head lamp housing is decreased.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: November 9, 1999
    Assignee: Hyundai Motor Company
    Inventor: Byeong Heui Hwang