Patents by Inventor Richard N. Du Verger

Richard N. Du Verger 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).

  • Crusher block assembly for particulate size reduction system
    Patent number: 7913941
    Abstract: The invention provides a crusher block assembly for a particulate size reduction system including a crusher block having an inboard face configured and adapted to cooperate with a swing hammer in a crusher chamber of a particulate size reduction system to crush particulate, and an outboard face for receiving an adjustment mechanism. The crusher block assembly also includes an adjustment mechanism joined to the outboard face on the crusher block. The adjustment mechanism is configured and adapted to adjust the position of the crusher block along a direction between an inboard location and an outboard location within the crusher chamber. The invention also provides a method of adjusting clearance between a swing hammer and a crusher block in a particulate size reduction system.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: March 29, 2011
    Assignee: Riley Power Inc.
    Inventors: William Schmitz, Richard N. Du Verger, Daniel P. Smith, Craig A. Penterson, Qingsheng Lin
  • Dynamic ring classifier for a coal pulverizer
    Patent number: 7240868
    Abstract: The present invention is directed to, among other things, a classifier assembly for mounting on the center shaft of a rotary coal pulverizer which includes a labyrinthian sealing arrangement operatively associated with the shaft for limiting the egress of unacceptably large coal particles from the pulverizer.
    Type: Grant
    Filed: April 17, 2006
    Date of Patent: July 10, 2007
    Assignee: Riley Power, Inc.
    Inventors: Qingsheng Lin, Craig A. Penterson, Daniel P. Smith, Richard N. Du Verger
  • Dynamic ring classifier for a coal pulverizer
    Patent number: 7028931
    Abstract: The present invention is directed to, among other things, a classifier assembly for mounting on the center shaft of a rotary coal pulverizer which includes a labyrinthian sealing arrangement operatively associated with the shaft for limiting the egress of unacceptably large coal particles from the pulverizer.
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: April 18, 2006
    Assignee: Riley Power, Inc.
    Inventors: Qingsheng Lin, Craig A. Penterson, Daniel P. Smith, Richard N. Du Verger
  • Dynamic ring classifier for a coal pulverizer
    Patent number: D575807
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: August 26, 2008
    Assignee: Riley Power, Inc.
    Inventors: Qingsheng Lin, Craig A. Penterson, Daniel P. Smith, Richard N. Du Verger