Patents by Inventor Stephen Mark Hanak

Stephen Mark Hanak 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).

  • Boltless multi-part diaphragm for use with a centrifugal compressor
    Patent number: 8157517
    Abstract: A diaphragm assembly of a centrifugal compressor includes a return channel wall having a generally ring-like shape; a vane assembly having a plurality of vanes formed integrally with at least one ring-shaped track having a rail structure extending therefrom; and a diaphragm wall having a generally ring-like shape and at least one groove extending around a circumference thereof. The vane assembly is fixedly coupled to the return channel, thereby forming a return channel assembly. The return channel assembly is coupled to the diaphragm wall by sliding the rail structure into the at least one groove of the diaphragm wall.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: April 17, 2012
    Assignee: Elliott Company
    Inventors: Timothy A. Feher, Samuel K. Kemp, Stephen Mark Hanak
  • Boltless Multi-part Diaphragm for Use with a Centrifugal Compressor
    Publication number: 20100272561
    Abstract: A diaphragm assembly of a centrifugal compressor includes a return channel wall having a generally ring-like shape; a vane assembly having a plurality of vanes formed integrally with at least one ring-shaped track having a rail structure extending therefrom; and a diaphragm wall having a generally ring-like shape and at least one groove extending around a circumference thereof. The vane assembly is fixedly coupled to the return channel, thereby forming a return channel assembly. The return channel assembly is coupled to the diaphragm wall by sliding the rail structure into the at least one groove of the diaphragm wall.
    Type: Application
    Filed: April 27, 2009
    Publication date: October 28, 2010
    Applicant: ELLIOTT COMPANY
    Inventors: Timothy A. Feher, Samuel K. Kemp, Stephen Mark Hanak