Patents by Inventor Wan-Ching Wu

Wan-Ching Wu 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: 6904629
    Abstract: A bed with a bed cushion has a bed cushion surface integrally formed by emulsion. The surface of the emulsion bed cushion surface having a plurality of wind trenches. Each wind trench has a plurality of vents for venting air. The bed cushion surface being elastic; one lateral side of the bed cushion having a through hole. A periphery of the through hole being enclosed by is a soft protrusion. A head portion of a bed is formed with an enclosing trench with a configuration with respect to the protrusion. A via hole is formed in the enclosing trench. A fan is installed within the hole. The enclosing trench is tightly engaged to the protrusion so that the wind out of the fan flows into the bed cushion from the through hole. Then the wind is vented out of the bed cushion surface from the vents.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: June 14, 2005
    Inventor: Wan-Ching Wu
  • Publication number: 20040064888
    Abstract: A bed with a bed cushion has a bed cushion surface integrally formed by emulsion. The surface of the emulsion bed cushion surface having a plurality of wind trenches. Each wind trench has a plurality of vents for venting air. The bed cushion surface being elastic; one lateral side of the bed cushion having a through hole. A periphery of the bed cushion is a soft protruding surface. A head portion of a bed is formed with an enclosing trench with a configuration with respect to the protruding surface. A via hole is formed in the enclosing trench. A fan is installed within the hole. The enclosing trench is tightly engaged to the protruding surface so that the wind out of the fan flows into the bed cushion from the through hole. Then the wind is vented out of the bed cushion surface from the vents.
    Type: Application
    Filed: October 7, 2002
    Publication date: April 8, 2004
    Inventor: Wan-Ching Wu