Patents by Inventor Un-Fei Liou

Un-Fei Liou 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: 6916149
    Abstract: A vortex blower is composed of a motor providing a rotating power and including a pivot, a first rear housing mounted in proximity of the pivot and including two through holes at a lower side thereof for communicating respectively with an entrance airway and an exit airway, an impeller mounted inside the first rear housing and on the pivot and rotating along with the shaft, a second rear housing including a through hole at the center thereof and covers on the first rear housing to enable the pivot to run through the through hole and to enable the impeller to be encased inside the first and second rear housings, and a heat-dissipating device mounted outside the second rear housing and is driven by the pivot to work and to generate rapid flowing air outside the first and second rear housings.
    Type: Grant
    Filed: July 1, 2003
    Date of Patent: July 12, 2005
    Inventor: Un-Fei Liou
  • Publication number: 20050002807
    Abstract: A vortex blower is composed of a motor providing a rotating power and including a pivot, a first rear housing mounted in proximity of the pivot and including two through holes at a lower side thereof for communicating respectively with an entrance airway and an exit airway, an impeller mounted inside the first rear housing and on the pivot and rotating along with the shaft, a second rear housing including a through hole at the center thereof and covers on the first rear housing to enable the pivot to run through the through hole and to enable the impeller to be encased inside the first and second rear housings, and a heat-dissipating device mounted outside the second rear housing and is driven by the pivot to work and to generate rapid flowing air outside the first and second rear housings.
    Type: Application
    Filed: July 1, 2003
    Publication date: January 6, 2005
    Inventor: Un-Fei Liou
  • Patent number: 5040445
    Abstract: A glazed tile cutter capable of straightly or circularly cutting a glazed tile is provided. The cutter includes an elongated base upon which are two longitudinally mounted brackets and mounted therebetween, two parallel sliding rods on which two sliding pieces are slidably mounted. Two cutters are respectively fixed onto the sliding piece for straightly and circularly cutting a glazed tile. A pad piece and a stopper are mounted on the base, with the stopper having a surface capable of abutting against one side edge of the glazed tile.
    Type: Grant
    Filed: May 1, 1990
    Date of Patent: August 20, 1991
    Inventor: Un-Fei Liou