Patents by Inventor Fred H. Green

Fred H. Green 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).

  • Coal slurry dewatering arrangement
    Patent number: 8871099
    Abstract: A coal slurry dewatering arrangement includes a filter belt press with a filter belt having first and second sides, the first side being water-impermeable and the second side having pores and being water-permeable, wherein the water-permeable side includes a layer of water-absorbent material.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: October 28, 2014
    Assignee: Nu-Coal LLC
    Inventors: Fred H. Green, Raymond A Miller
  • Method for removing heavy metals and radionuclides
    Patent number: 7074257
    Abstract: A solid ion-exchange material useful for removing heavy metals or radionuclides from an aqueous or gaseous solution comprising a modified clinoptilolite, and methods of using same are provided.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: July 11, 2006
    Assignee: Synlite Chemical Company, LLC
    Inventors: James M. Lockwood, Fred H. Green
  • Method for removing heavy metals and radionuclides from an aqueous solution
    Patent number: 7018542
    Abstract: A solid ion-exchange material useful for removing heavy metals or radionuclides from an aqueous solution comprising a modified clinoptilolite, and methods of using same are provided.
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: March 28, 2006
    Assignee: Eureka Technology, LLC
    Inventors: James M. Lockwood, Fred H. Green
  • Method for removing heavy metals and radionuclides from an aqueous solution
    Patent number: 6827859
    Abstract: A method for removing heavy metals or radionuclides from an aqueous solution comprising contacting the aqueous solution with an ion exchange material selected from a solid ion exchange material, a liquid ion exchange material, or mixtures thereof, wherein the ion exchange material is prepared by the process comprising: contacting clinoptilolite with an alkaline solution at a temperature of about 85° C. to about 300° C. and for a sufficient time to form a treated slurry comprising a solid fraction and a liquid fraction, and optionally separating the solid fraction from the treated slurry and washing the solid fraction to produce the solid ion exchange material; and optionally recovering the liquid fraction of the treated slurry to produce the liquid ion exchange material. A process for producing the above ion exchange materials useful for removing heavy metals or radionuclides from an aqueous solution, and the solid and liquid ion exchange materials produced by the process.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: December 7, 2004
    Assignee: Synlite Chemical Company LLC
    Inventors: James M. Lockwood, Fred H. Green
  • Method for removing heavy metals and radionuclides
    Publication number: 20040164027
    Abstract: A solid ion-exchange material useful for removing heavy metals or radionuclides from an aqueous or gaseous solution comprising a modified clinoptilolite, and methods of using same are provided.
    Type: Application
    Filed: October 14, 2003
    Publication date: August 26, 2004
    Inventors: James M. Lockwood, Fred H. Green
  • Method for removing heavy metals and radionuclides from an aqueous solution
    Publication number: 20040069711
    Abstract: A method for removing heavy metals or radionuclides from an aqueous solution comprising contacting the aqueous solution with an ion exchange material selected from a solid ion exchange material, a liquid ion exchange material, or mixtures thereof, wherein the ion exchange material is prepared by the process comprising: contacting clinoptilolite with an alkaline solution at a temperature of about 85° C. to about 300° C. and for a sufficient time to form a treated slurry comprising a solid fraction and a liquid fraction, and optionally separating the solid fraction from the treated slurry and washing the solid fraction to produce the solid ion exchange material; and optionally recovering the liquid fraction of the treated slurry to produce the liquid ion exchange material. A process for producing the above ion exchange materials useful for removing heavy metals or radionuclides from an aqueous solution, and the solid and liquid ion exchange materials produced by the process.
    Type: Application
    Filed: October 15, 2002
    Publication date: April 15, 2004
    Inventors: James M. Lockwood, Fred H. Green
  • Method for removing heavy metals and radionuclides from an aqueous solution
    Publication number: 20040069712
    Abstract: A solid ion-exchange material useful for removing heavy metals or radionuclides from an aqueous solution comprising a modified clinoptilolite, and methods of using same are provided.
    Type: Application
    Filed: April 28, 2003
    Publication date: April 15, 2004
    Inventors: James M. Lockwood, Fred H. Green