Patents Assigned to R. F. Smith Corp.
  • Patent number: 4355997
    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 steam, and analyzing the mixture at a temperature above its dew point for hydrogen sulfide.
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: October 26, 1982
    Assignee: R. F. Smith Corp.
    Inventors: Robert F. Smith, Dwight E. Walters