Patents by Inventor Venkatarathanam Gandhiraju

Venkatarathanam Gandhiraju 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).

  • Refrigerant composition for refrigeration systems
    Patent number: 7582223
    Abstract: The present invention relates to a method of refrigeration using refrigerant composition for multistage refrigeration systems, such as a pre-cooled mixed refrigeration system with one or more phase separators. The refrigerant composition can include nitrogen; methane; ethane, ethylene, or combinations thereof; propane, n-butane, iso-butane, or combinations thereof; and neon, helium, or combinations thereof.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: September 1, 2009
    Assignee: Indian Institute of Technology
    Inventor: Venkatarathanam Gandhiraju
  • REFRIGERANT COMPOSITION FOR REFRIGERATION SYSTEMS
    Publication number: 20080053145
    Abstract: The present invention relates to a method of refrigeration using refrigerant composition for multistage refrigeration systems, such as a pre-cooled mixed refrigeration system with one or more phase separators. The refrigerant composition can include nitrogen; methane; ethane, ethylene, or combinations thereof; propane, n-butane, iso-butane, or combinations thereof; and neon, helium, or combinations thereof.
    Type: Application
    Filed: September 6, 2007
    Publication date: March 6, 2008
    Inventor: Venkatarathanam Gandhiraju
  • Refrigerant composition for refrigeration systems
    Publication number: 20060186370
    Abstract: The present invention relates to a refrigerant composition for refrigeration systems. The refrigerant composition can be a pre-cooled mixed refrigeration system with one or more phase separators. The refrigerant composition can include nitrogen; methane; ethane, ethylene, or combinations thereof; propane, n-butane, iso-butane, or combinations thereof; and neon, helium, or combinations thereof. Further, the invention includes the process for refrigeration using said refrigerant composition.
    Type: Application
    Filed: January 16, 2006
    Publication date: August 24, 2006
    Inventor: Venkatarathanam Gandhiraju