Patents by Inventor Max E. Massac

Max E. Massac 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 recovery method and apparatus
    Patent number: 8225618
    Abstract: A method and apparatus for recovering fluids in various states from a system includes a motor that is configured to engage a compressor in a first direction and engage a compressor in a second direction depending on the fluids contained therein.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: July 24, 2012
    Inventors: David J. Boyd, Max E. Massac, Charles R. Shambaugh
  • Refrigerant recovery method and apparatus
    Publication number: 20110100037
    Abstract: A method and apparatus for recovering fluids in various states from a system includes a motor that is configured to engage a compressor in a first direction and engage a compressor in a second direction depending on the fluids contained therein.
    Type: Application
    Filed: November 21, 2005
    Publication date: May 5, 2011
    Inventors: David J. Boyd, Max E. Massac, Charles R. Shambaugh