Patents by Inventor Edward James Cummings

Edward James Cummings 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).

  • Pressure diffuser with an annular baffle screen plate over water inlet
    Patent number: 8888958
    Abstract: A pressure diffuser washer comprising: an outer wall, an inner wall adjacent to the outer wall, the inner wall defining annular baffle chambers between the outer wall and the inner wall, wherein each of the annular baffle chambers is configured to connect to a source of a wash liquid, a reciprocating screen assembly adjacent to the inner wall, the reciprocating screen assembly defining a first annular chamber between the inner wall and the reciprocating screen assembly, an area in the inner wall defining a gap associated with each of the annular baffle chambers, wherein the wash liquid from an annular baffle chamber flows through the gap into the first annular chamber, and an annular baffle screen plate covering the gap, wherein the annular baffle screen plate defines openings sized to prevent rocks and other large particulate debris from entering the annular baffle chambers.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: November 18, 2014
    Assignee: Andritz Inc.
    Inventors: Grant Bechard, Keith Vogel, Jay Sheerer, Edward James Cummings, Carl Luhrmann
  • PRESSURE DIFFUSER WITH AN ANNULAR BAFFLE SCREEN PLATE OVER WATER INLET
    Publication number: 20140182802
    Abstract: A pressure diffuser washer comprising: an outer wall, an inner wall adjacent to the outer wall, the inner wall defining annular baffle chambers between the outer wall and the inner wall, wherein each of the annular baffle chambers is configured to connect to a source of a wash liquid, a reciprocating screen assembly adjacent to the inner wall, the reciprocating screen assembly defining a first annular chamber between the inner wall and the reciprocating screen assembly, an area in the inner wall defining a gap associated with each of the annular baffle chambers, wherein the wash liquid from an annular baffle chamber flows through the gap into the first annular chamber, and an annular baffle screen plate covering the gap, wherein the annular baffle screen plate defines openings sized to prevent rocks and other large particulate debris from entering the annular baffle chambers.
    Type: Application
    Filed: December 5, 2013
    Publication date: July 3, 2014
    Applicant: ANDRITZ INC.
    Inventors: Grant BECHARD, Keith Vogel, Jay Sheerer, Edward James Cummings, Carl Luhrmann