Patents by Inventor Huang Shih-Ying

Huang Shih-Ying 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).

  • Kind of economical household ventilator
    Patent number: 6539170
    Abstract: A kind of economical household ventilator consists of the housing and blower. On the housing there are air inlets and exits. There are several air exits with different directions distributed all over the housing. The air inlets are located on the top or/and bottom of the housing respectively. There are air brattices arranged in air exits which can be used for adjusting the air directions or the air exits can be fixed with air brattices for adjusting the air directions. Inside the machine or each air exit, an electrical heating part can be arranged allowing air flowing through so that it can supply warm air or conduct ventilation for general purpose depending on the requirements.
    Type: Grant
    Filed: May 11, 2001
    Date of Patent: March 25, 2003
    Inventor: Huang Shih-Ying
  • Ceramic fan heater
    Patent number: D466598
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: December 3, 2002
    Inventor: Huang Shih-Ying