Patents by Inventor Knox Alex Evans

Knox Alex Evans 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).

  • Quantitative method for hydrocarbon analysis
    Patent number: 7153694
    Abstract: A method for quantitative determination of hydrocarbon species in a hydrocarbon sample is disclosed. The method uses Townsend Discharge Nitric Oxide Chemical Ionization Gas Chromatography/Mass Spectrometry.
    Type: Grant
    Filed: November 26, 2002
    Date of Patent: December 26, 2006
    Assignee: Shell Oil Company
    Inventors: Knox Alex Evans, Weijan Mo, Howard Peterson, Ismet Dzidic
  • Quantitative method for hydrocarbon analysis
    Publication number: 20030180963
    Abstract: A method for quantitative determination of hydrocarbon species in a hydrocarbon sample is disclosed. The method uses Townsend Discharge Nitric Oxide Chemical Ionization Gas Chromatography/Mass Spectrometry.
    Type: Application
    Filed: November 26, 2002
    Publication date: September 25, 2003
    Inventors: Knox Alex Evans, Weijan Mo, Howard Petersen, Ismet Dzidic