Patents by Inventor Philip Bernard Liescheski, III

Philip Bernard Liescheski, III 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).

  • Apparatus and method for supercritical fluid extraction
    Patent number: 6241890
    Abstract: To collect analyte from a supercritical fluid extractor, the collector lifts vials into place by a biasing means that guides the file up to the restrictor where it is sealed. The vial can be moved back down from the collecting mechanism even if frost forms on the vial while the restrictor means remains stationary. This vial is held in place by a guide that contains the seal for sealing the vial when it is raised in place.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: June 5, 2001
    Assignee: Isco, Inc.
    Inventors: Dale Lee Clay, Robert W. Allington, Philip Bernard Liescheski, III, Robin Randall Winter, Daniel Gene Jameson
  • Apparatus and method for collecting analyte in supercritical fluid extraction
    Patent number: 5911881
    Abstract: To collect analyte from a supercritical fluid extractor, the collector lifts vials into place by a biasing device that guides the file up to the restrictor where it is sealed. The vial can be moved back down from the collecting mechanism even if frost forms on the vial while the restrictor remains stationary. This vial is held in place by a guide that contains the seal for sealing the vial when it is raised in place.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: June 15, 1999
    Assignee: Isco, Inc.
    Inventors: Dale Lee Clay, Robert W. Allington, Philip Bernard Liescheski, III, Robin Randall Winter, Daniel Gene Jameson