Patents Assigned to Cemex, Inc.
  • Concrete pavement system and method
    Patent number: 8280697
    Abstract: A method of optimizing a concrete pavement design including estimating conditions of the pavement, determining properties of the pavement and developing a concrete pavement system. The method may further include selecting a thickness for the system, predicting performance of the system, determining costs of the system, and optimizing the pavement design based on one or more considerations. The method may include iterating one or more considerations. An optimized pavement system having predetermined design parameters.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: October 2, 2012
    Assignee: Cemex, Inc.
    Inventors: Patrick A. Thiel, James W. Mack
  • Apparatus and method for injecting waste tires through the burner end of a kiln
    Patent number: 8205565
    Abstract: A device is provided for accelerating and propelling whole tires into the combustion zone of a kiln. More specifically, the device comprises an upper accelerating assembly and a lower accelerating assembly for providing approximately constant exit velocity to a whole tire regardless of its size or weight.
    Type: Grant
    Filed: March 4, 2005
    Date of Patent: June 26, 2012
    Assignee: Cemex, Inc.
    Inventors: Roy L. Edberg, Derek Thorington, Gary Pinault, Bryan Martin, Victor Garza
  • CONCRETE PAVEMENT SYSTEM AND METHOD
    Publication number: 20090129862
    Abstract: A method of optimizing a concrete pavement design including estimating conditions of the pavement, determining properties of the pavement and developing a concrete pavement system. The method may further include selecting a thickness for the system, predicting performance of the system, determining costs of the system, and optimizing the pavement design based on one or more considerations. The method may include iterating one or more considerations. An optimized pavement system having predetermined design parameters.
    Type: Application
    Filed: November 7, 2008
    Publication date: May 21, 2009
    Applicant: CEMEX, INC.
    Inventors: Patrick A. THIEL, James W. MACK
  • Rapid hardening hydraulic cement from subbituminous fly ash and products thereof
    Patent number: 7288148
    Abstract: A rapid hardening hydraulic cement is provided that is made substantially exclusively from a subbituminous fly ash with no portland cement or other strengthening aid.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: October 30, 2007
    Assignee: Cemex, Inc.
    Inventors: James K. Hicks, Ryan M. Scott
  • Apparatus for oxygen enrichment of cement kiln system
    Patent number: 6688883
    Abstract: The invention in its various embodiments includes an apparatus and a method for improving combustion in a cement kiln system. The apparatus in one embodiment includes a precalciner and an oxygen source coupled to the precalciner. The method in one embodiment includes introducing oxygen into the precalciner of a cement kiln system.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: February 10, 2004
    Assignee: Cemex, Inc.
    Inventors: Herman H. Tseng, Philip A. Alsop
  • Oxygen enrichment of cement kiln system combustion
    Patent number: 6488765
    Abstract: The invention in its various embodiments includes an apparatus and a method for improving combustion in a cement kiln system. The apparatus in one embodiment includes a precalciner and an oxygen source coupled to the precalciner. The method in one embodiment includes introducing oxygen into the precalciner of a cement kiln system.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: December 3, 2002
    Assignee: Cemex, Inc.
    Inventors: Herman H. Tseng, Philip A. Alsop
  • Oxygen enrichment of cement kiln system combustion
    Publication number: 20020172907
    Abstract: The invention in its various embodiments includes an apparatus and a method for improving combustion in a cement kiln system. The apparatus in one embodiment includes a precalciner and an oxygen source coupled to the precalciner. The method in one embodiment includes introducing oxygen into the precalciner of a cement kiln system.
    Type: Application
    Filed: July 12, 2002
    Publication date: November 21, 2002
    Applicant: Cemex, Inc.
    Inventors: Herman H. Tseng, Philip A. Alsop