Patents by Inventor Andrew Martin Warchol

Andrew Martin Warchol 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).

  • Flame photometric detector having improved sensitivity
    Patent number: 7906071
    Abstract: A flame photometric detector comprises a burner assembly configured to combust a sample of an effluent, the combusted sample emitting at least one excited molecule, an interchangeable selective optical filter configured to pass a plurality of selected optical wavelengths corresponding to the excited molecule, and a photomultiplier tube configured to quantify the concentration of the excited molecule.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: March 15, 2011
    Assignee: Agilent Technologies, Inc.
    Inventors: Andrew Martin Warchol, Bruce Douglas Quimby, W. Dale Snyder, Paul Craig Dryden