Patents Represented by Attorney Hunter Auyang

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  • Positioning system for a patient support apparatus
    Patent number: 5806116
    Abstract: An accessory has a fixed member and a rotatably supported and eccentrically mounted disk which are each inserted into a corresponding one of a pair of crescent-shaped indentations formed on a panel of a couch top. As the disk is rotated, its center moves towards the fixed member, causing the disk to press against the inner wall of the indentation and locking the accessory to the panel securely and repeatably.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: September 15, 1998
    Assignee: Varian Associates, Inc.
    Inventors: Edward A. Oliver, Todd Michael Hauger
  • Fluid thermal mass flow sensor
    Patent number: 5792952
    Abstract: A fluid thermal mass flow meter including a composite flow tube having four tubular segments of high thermal conductivity formed in a length of tube made of a material having a relatively low thermal conductivity, a thin film element formed on the surface of and extending around each of the four tubular segments, circuitry for incorporating the elements into a bridge circuit, and a housing for containing the flow tube, elements, and circuitry.
    Type: Grant
    Filed: May 23, 1996
    Date of Patent: August 11, 1998
    Assignee: Varian Associates, Inc.
    Inventor: Thomas R. Ritchart