Patents by Inventor Andrew Simon Craze

Andrew Simon Craze 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).

  • Fraction collector for composition analysis
    Patent number: 7086279
    Abstract: A method and apparatus for controlling fraction collection in an eluent stream flowing from an LC column. A triggering detector recognizes the presence of a target substance according to characteristics of chromatographic peaks in the eluent stream and initiates a delay timer to trigger the fraction collector. A waste stream detector is disposed at any distance from the fraction collector to detect peaks in the waste stream flowing from a fraction collector. The signature of fraction collector actuation is seen by the waste stream detector, permitting the delay time to be adjusted for optimal collection of the target compound. The presence or absence of a peak or the characteristics of a remnant peak detected by the waste stream detector are used to confirm that the target component of the eluent stream was collected as intended by the fraction collector.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: August 8, 2006
    Assignee: Waters Investments Limited
    Inventors: Anthony Gilby, Andrew Simon Craze
  • Fraction collector for composition analysis
    Patent number: 6997031
    Abstract: A method and apparatus for controlling fraction collection in an eluent stream flowing from an LC column. A triggering detector recognizes the presence of a target substance according to characteristics of chromatographic peaks in the eluent stream and initiates a delay timer to trigger the fraction collector. A waste stream detector is disposed at any distance from the fraction collector to detect peaks in the waste stream flowing from a fraction collector. The signature of fraction collector actuation is seen by the waste stream detector, permitting the delay time to be adjusted for optimal collection of the target compound. The presence or absence of a peak or the characteristics of a remnant peak detected by the waste stream detector are used to confirm that the target component of the eluent stream was collected as intended by the fraction collector.
    Type: Grant
    Filed: May 1, 2003
    Date of Patent: February 14, 2006
    Assignee: Waters Corporation
    Inventors: Anthony Gilby, Andrew Simon Craze
  • Fraction collector for composition analysis
    Publication number: 20040216510
    Abstract: A method and apparatus for controlling fraction collection in an eluent stream flowing from an LC column. A triggering detector recognizes the presence of a target substance according to characteristics of chromatographic peaks in the eluent stream and initiates a delay timer to trigger the fraction collector. A waste stream detector is disposed at any distance from the fraction collector to detect peaks in the waste stream flowing from a fraction collector. The signature of fraction collector actuation is seen by the waste stream detector, permitting the delay time to be adjusted for optimal collection of the target compound. The presence or absence of a peak or the characteristics of a remnant peak detected by the waste stream detector are used to confirm that the target component of the eluent stream was collected as intended by the fraction collector.
    Type: Application
    Filed: May 1, 2003
    Publication date: November 4, 2004
    Inventors: Anthony Gilby, Andrew Simon Craze