Patents by Inventor WenKai W. X. Xie

WenKai W. X. Xie 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: 7628706
    Abstract: An apparatus for abrading and shaping a pool cue tip comprises: i) a block having an upper side portion having a concave contour therein said contour having an abrasive surface so that a pool cue tip can be abraded and shaped therewith; and, ii) a block holder adapted to closely surround a lower portion of the block. In a preferred aspect of this invention a side portion of the block opposite the side portion thereof having the concave indentation therein further comprises i) a circular void dimensioned to receive a chalk insert; ii) a replaceable chalk insert dimensioned to be closely received, and positioned in the circular void; and, iii) a removed semi-round upper portion in an upright side portion of the block holder to accommodate access to the chalk insert in the block thereunder and therein.
    Type: Grant
    Filed: November 13, 2006
    Date of Patent: December 8, 2009
    Inventor: WenKai W. X. Xie
  • Publication number: 20080113595
    Abstract: An apparatus for abrading and shaping a pool cue tip comprises: i) a block having an upper side portion having a concave contour therein said contour having an abrasive surface so that a pool cue tip can be abraded and shaped therewith; and, ii) a block holder adapted to closely surround a lower portion of the block. In a preferred aspect of this invention a side portion of the block opposite the side portion thereof having the concave indentation therein further comprises i) a circular void dimensioned to receive a chalk insert; ii) a replaceable chalk insert dimensioned to be closely received, and positioned in the circular void; and, iii) a removed semi-round upper portion in an upright side portion of the block holder to accommodate access to the chalk insert in the block thereunder and therein.
    Type: Application
    Filed: November 13, 2006
    Publication date: May 15, 2008
    Inventor: WenKai W.X. Xie