Patents by Inventor Oleg N. Podcherniev

Oleg N. Podcherniev 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).

  • Mixed gas R-12 refrigeration apparatus
    Patent number: 5622644
    Abstract: A mixed gas refrigerant for use as a replacement for CFC refrigerants, and specifically, for R-12, which includes at least three components including R-134a, R-124, and n-butane, with the n-butane being at least present in trace amounts and specifically between 1% and up to 4%.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: April 22, 1997
    Assignee: Intercool Energy
    Inventors: Richard Stevenson, Mikhail Boyarsky, Boris V. Yudin, Oleg N. Podcherniev
  • Substitute refrigerant for dichlorodifluoromethane refrigeration systems
    Patent number: 5425890
    Abstract: A mixed gas refrigerant for use as a replacement for CFC refrigerants, and specifically, for R-12, which includes at least three components including R-134a, R-124, and n-butane.
    Type: Grant
    Filed: January 11, 1994
    Date of Patent: June 20, 1995
    Assignee: APD Cryogenics, Inc.
    Inventors: Boris V. Yudin, Richard Stevenson, Mikhail Boyarsky, Oleg N. Podcherniev