Patents Assigned to Exlog Smith
  • Gas sampling system
    Patent number: 4402910
    Abstract: A gaseous stream of steam is analyzed for hydrogen sulfide by keeping the gas stream above its dew point while withdrawing a representative sample, mixing the sample with a gas having a dew point lower than that of the gaseous stream to form a mixture with a dew point below that of the gaseous stream, and analyzing the mixture at a temperature above its dew point for hydrogen sulfide.
    Type: Grant
    Filed: July 1, 1982
    Date of Patent: September 6, 1983
    Assignee: Exlog Smith
    Inventors: Robert F. Smith, Dwight E. Walters