Patents by Inventor Saikrishnan S. Mattancheril

Saikrishnan S. Mattancheril 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).

  • Compressor discharge valve retainer
    Patent number: 6840271
    Abstract: A discharge valve retainer is manufactured from powder metal using FLC4608, FL4405, FC0205 or FC0208 material. The finisher retainer has a density of approximately 6.8 to 7.6 gm/cc. The retainer is carbonitrided, quenched and tempered to achieve a surface hardness of Rockwell 15N 89-93. The exterior of the retainer is contoured to provide for the non-turbulent flow of pressurized gas around the discharge valve.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: January 11, 2005
    Assignee: Copeland Corporation
    Inventors: Richard A. Obara, Saikrishnan S. Mattancheril, Kevin J. Gehret, Michael J. Monnin
  • Compressor discharge valve retainer
    Publication number: 20040164268
    Abstract: A discharge valve retainer is manufactured from powder metal using FLC4608, FL4405, FC0205 or FC0208 material. The finisher retainer has a density of approximately 6.8 to 7.6 gm/cc. The retainer is carbonitrided, quenched and tempered to achieve a surface hardness of Rockwell 15N 89-93. The exterior of the retainer is contoured to provide for the non-turbulent flow of pressurized gas around the discharge valve.
    Type: Application
    Filed: February 25, 2003
    Publication date: August 26, 2004
    Applicant: COPELAND CORPORATION
    Inventors: Richard A. Obara, Saikrishnan S. Mattancheril, Kevin J. Gehret, Michael J. Monnin