Patents by Inventor Chiu Man Yeung

Chiu Man Yeung 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: 6351902
    Abstract: This invention discloses an electrothermal ironing board, comprising a holding plate, a sponge plastics, heat-resistant insulating cloths, an electric film with metal electrodes and a cloth cover, all of which are uniform thin layers, the heating element being the electric film, disposed in order from bottom to top being the holding plate, the plastic foam, the lower heat-resistant insulating cloth, the electric film with the metal electrodes, the upper heat-resistant insulating cloth and the cloth cover; and the circuit of the ironing board comprising the electric film, the metal electrodes and a thermal switch.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: March 5, 2002
    Inventors: On Wa Yeung, Chiu Man Yeung
  • Patent number: 6078025
    Abstract: An article of clothing includes a body having a rear panel and electrical warming pads sewed to the panel for warming the wearer of the article of clothing. Each warming pad is a flexible sheet heating element. An electronic control circuit is used to control the temperature of the heating elements.
    Type: Grant
    Filed: June 3, 1999
    Date of Patent: June 20, 2000
    Inventor: Chiu Man Yeung