Patents by Inventor Tarrurisa Apparao

Tarrurisa Apparao 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).

  • Patent number: 6722145
    Abstract: The present invention is a refrigeration system that uses a nonflammable, nonchlorinated refrigerant mixture to achieve very-low temperatures using a single compressor. The system is characterized by both high efficiency and rapid cool down time.
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: April 20, 2004
    Assignee: IGC-Polycold Systems, Inc.
    Inventors: Oleg Podtchereniaev, Kevin Flynn, Tarrurisa Apparao, Mikhail Bolarski
  • Publication number: 20030115894
    Abstract: The present invention is a refrigeration system that uses a nonflammable, nonchlorinated refrigerant mixture to achieve very-low temperatures using a single compressor. The system is characterized by both high efficiency and rapid cool down time.
    Type: Application
    Filed: December 10, 2002
    Publication date: June 26, 2003
    Inventors: Oleg Podtchereniaev, Kevin Flynn, Tarrurisa Apparao, Mikhail Boiarski
  • Publication number: 20020023447
    Abstract: The present invention is a refrigeration system that uses a nonflammable, nonchlorinated refrigerant mixture to achieve very-low temperatures using a single compressor. The system is characterized by both high efficiency and rapid cool down time.
    Type: Application
    Filed: June 28, 2001
    Publication date: February 28, 2002
    Inventors: Oleg Podtchereniaev, Kevin Flynn, Tarrurisa Apparao, Mikhail Bolarski