Patents by Inventor King-Heng Liu

King-Heng Liu 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: 5803751
    Abstract: A coupling interface is provided with male/female coupling members that are shaped to self-align on interfitting magnetic means carried on the faces being mated tend to draw the coupling members together at the last stage of inter-engagement.
    Type: Grant
    Filed: May 23, 1996
    Date of Patent: September 8, 1998
    Assignee: Canadian Space Agency
    Inventor: King-Heng Liu
  • Patent number: 5494325
    Abstract: Article converging/diverging chamfered walls gripping anvils are provided having two protuberances extending from a body portion. The protuberances have top and bottom chamfered, converging inner sides for gripping a square-bobbin-shaped interface therebetween. The protuberances have diverging notches in their outer walls for locating between top and bottom chamfered protrusions on an interface.
    Type: Grant
    Filed: August 24, 1993
    Date of Patent: February 27, 1996
    Assignee: Canadian Space Agency
    Inventors: King-Heng Liu, Gordon Rife
  • Patent number: 5458384
    Abstract: A bifurcated, orbital replacement unit interface comprises a body and two pairs of fingers extending outwardly from opposite sides of the body, wherein each pair of fingers provides a bifurcation between their inner sides in the form of an inwardly tapering recess. All of the inner sides of the fingers are bevelled for aligning a correspondingly shaped anvil in the tapering recess.
    Type: Grant
    Filed: August 24, 1993
    Date of Patent: October 17, 1995
    Assignee: Canadian Space Agency
    Inventors: King-Heng Liu, Gordon Rife