Patents Assigned to Polar Industries Ltd.
  • Refrigerant recovery and recycling system
    Patent number: 5379607
    Abstract: A refrigerant recovery and recycling system recovers refrigerant from refrigeration equipment, removing contaminants, for storage and eventual reuse. The system includes a separation unit in which the refrigerant is separated from the contaminants, preferably by distillation which is at least partially driven by waste heat produced by the compressor which compresses the refrigerant for storage.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: January 10, 1995
    Assignee: Polar Industries Ltd.
    Inventor: David W. Sergius
  • Refrigerant recovery and recycling system
    Patent number: 5263331
    Abstract: A refrigerant recovery and recycling system recovers refrigerant from refrigeration equipment, removing contaminants, for storage and eventual reuse. The system includes a separation unit in which the refrigerant is separated from the contaminants, preferably by distillation which is at least partially driven by waste heat produced by the compressor which compresses the refrigerant for storage.
    Type: Grant
    Filed: November 10, 1992
    Date of Patent: November 23, 1993
    Assignee: Polar Industries Ltd.
    Inventor: David W. Sergius