Patents by Inventor Mikhail Boyarsky

Mikhail Boyarsky 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
  • Cryogenic mixed gas refrigerant for operation within temperature ranges of 80.degree.K- 100.degree.K
    Patent number: 5441658
    Abstract: A mixed gas refrigerant for use in the cryogenic range of temperatures between 80.degree. K. and 100.degree. K., with single stage compressor providing high pressures up to 30 Arms. The refrigerant consists of nitrogen between 30 and 50 molar percent, methane less than 20 molar percent, propane, more than 30 molar percent, and ethane the balance.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: August 15, 1995
    Assignee: APD Cryogenics, Inc.
    Inventors: Mikhail Boyarsky, Boris Yudin, Victor I. Mogorychny, Larry Klusmier
  • 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