Patents Assigned to Tom Nicol
  • Patent number: 5647961
    Abstract: A system for decontaminating and separating individual refrigerants from a mixture of refrigerants contaminated with solids, liquids and non-condensible gasses, includes three stages. In the first stage, solid and liquid contaminants are removed. In the second stage, the mixture of refrigerants passes through a condensation column where successive condensation stages remove individual refrigerants from the mixture of refrigerants. The remaining mixture of refrigerants passes through a third stage where non-condensible gas contaminants are removed.
    Type: Grant
    Filed: March 17, 1995
    Date of Patent: July 15, 1997
    Assignee: Tom Nicol
    Inventor: Spencer G. Lofland