Patents by Inventor John Liljestrand

John Liljestrand 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).

  • Assay cartridges and methods for point of care instruments
    Publication number: 20070031283
    Abstract: Devices and methods are provided for performing a test to detect and/or quantify the presence of an analyte of interest within a sample using a portable instrument.
    Type: Application
    Filed: June 23, 2006
    Publication date: February 8, 2007
    Inventors: Charles Davis, John Liljestrand, Jonathan Leland, Martin Blankfard, Jonathan Miller
  • Apparatus and methods for carrying out electrochemiluminescence test measurements
    Publication number: 20030118477
    Abstract: Apparatus for the conduct of electrochemiluminescence measurements includes an ECL chamber having a transparent window defining one wall of the chamber and a photodetector mounted closely adjacent thereto. An assay fluid is subject to a magnetic field and is electrically energized. Electrochemiluminescence induced in the fluid is measured by the photodetector.
    Type: Application
    Filed: December 6, 2002
    Publication date: June 26, 2003
    Applicant: IGEN International, Inc.
    Inventors: John Liljestrand, Jue Zhang, David R. Gambrel, Sergey Ivanov, Jacob N. Wohlstadter
  • Apparatus for carrying out electrochemiluminescence test measurements
    Patent number: 6517777
    Abstract: Apparatus for the conduct of electrochemiluminescence measurements includes an ECL chamber having a transparent window defining one wall of the chamber and a photodetector mounted closely adjacent thereto. An assay fluid is subject to a magnetic field and is electrically energized. Electrochemiluminescence induced in the fluid is measured by the photodetector.
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: February 11, 2003
    Assignee: IGEN International, Inc.
    Inventors: John Liljestrand, Jue Zhang, David R. Gambrel, Sergey Ivanov, Jacob N. Wohlstadter
  • Apparatus and methods for carrying out electrochemiluminescence test measurements
    Publication number: 20010008612
    Abstract: Apparatus for the conduct of electrochemiluminescence measurements includes an ECL chamber having a transparent window defining one wall of the chamber and a photodetector mounted closely adjacent thereto. An assay fluid is subject to a magnetic field and is electrically energized. Electrochemiluminescence induced in the fluid is measured by the photodetector.
    Type: Application
    Filed: January 16, 2001
    Publication date: July 19, 2001
    Applicant: IGEN International, Inc.
    Inventors: John Liljestrand, Jue Zhang, David R. Gambrel, Sergey Ivanov
  • Apparatus for carrying out electrochemiluminescence test measurements
    Patent number: 6200531
    Abstract: Apparatus for the conduct of electrochemiluminescence measurements includes an ECL chamber having a transparent window defining one wall of the chamber and a photodetector mounted closely adjacent thereto. An assay fluid is subject to a magnetic field and is electrically energized. Electrochemiluminescence induced in the fluid is measured by the photodetector.
    Type: Grant
    Filed: May 11, 1998
    Date of Patent: March 13, 2001
    Assignee: IGEN International, Inc.
    Inventors: John Liljestrand, Jue Zhang, David R. Gambrel, Sergey Ivanov, Jacob N. Wohlstadter