Patents by Inventor Joshua Beckh Rubenstein

Joshua Beckh Rubenstein 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).

  • Attrition mill
    Patent number: 9675978
    Abstract: An attrition mill that includes a grinding chamber having a plurality of grinding elements and an internal classification and separation stage. The mill also includes at least one grinding element providing a larger flow path therethrough, when compared to other of the grinding elements. In other embodiments, mill includes at least one grinding element having an open area in the grinding element created to allow a larger flow path as a proportion of the grinding element surface area without such allowance and in the range of from 15% to equal to or less than 100%.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: June 13, 2017
    Assignees: Xstrata Technology Pty Ltd, Netzsch-Feinmahltechnik GmbH
    Inventors: Joshua Beckh Rubenstein, Gregory Stephen Anderson
  • ATTRITION MILL
    Publication number: 20110309174
    Abstract: An attrition mill that includes a grinding chamber having a plurality of grinding elements and an internal classification and separation stage. The mill also includes at least one grinding element providing a larger flow path therethrough, when compared to other of the grinding elements. In other embodiments, mill includes at least one grinding element having an open area in the grinding element created to allow a larger flow path as a proportion of the grinding element surface area without such allowance and in the range of from 15% to equal to or less than 100%.
    Type: Application
    Filed: December 17, 2009
    Publication date: December 22, 2011
    Inventors: Joshua Beckh Rubenstein, Gregory Stephen Anderson