Patents by Inventor Joshua B. Pearson

Joshua B. Pearson 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).

  • Patent number: 10035963
    Abstract: A mixing apparatus for producing a feedstock for a reformer, the mixing apparatus including at least one mixing vessel comprising a cylindrical vessel with a conical bottom; a steam inlet configured for introducing steam into the conical bottom; a carbonaceous material inlet configured for introducing a carbonaceous feed into the cylindrical vessel; and an outlet for a reformer feedstock comprising at least 0.3 pounds of steam per pound of carbonaceous material, with the at least one mixing vessel configured for operation at a pressure of greater than about 10 psig.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: July 31, 2018
    Assignee: RES USA, LLC
    Inventors: Randy Blevins, Joshua B. Pearson, Harold A. Wright
  • Patent number: 9994777
    Abstract: A system including a mixing apparatus configured to produce a reformer feedstock and comprising one or more cylindrical vessel having a conical bottom section, an inlet for superheated steam within the conical bottom section and an inlet for at least one carbonaceous material at or near the top of the cylindrical vessel, wherein the one or more cylindrical vessel is a pressure vessel configured for operation at a pressure in the range of from about 5 psig (34.5 kPa) to about 50 psig (344.7 kPa); a reformer configured to produce, from the reformer feedstock, a reformer product comprising synthesis gas, and also producing a hot flue gas; a synthesis gas conversion apparatus configured to catalytically convert at least a portion of the synthesis gas in the reformer product into synthesis gas conversion product, and to separate, from the synthesis gas conversion product, a spent catalyst stream and a tailgas.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: June 12, 2018
    Assignee: RES USA, LLC
    Inventors: Randy Blevins, Joshua B. Pearson, Harold A. Wright
  • Publication number: 20170114291
    Abstract: A mixing apparatus for producing a feedstock for a reformer, the mixing apparatus including at least one mixing vessel comprising a cylindrical vessel with a conical bottom; a steam inlet configured for introducing steam into the conical bottom; a carbonaceous material inlet configured for introducing a carbonaceous feed into the cylindrical vessel; and an outlet for a reformer feedstock comprising at least 0.3 pounds of steam per pound of carbonaceous material, with the at least one mixing vessel configured for operation at a pressure of greater than about 10 psig.
    Type: Application
    Filed: January 4, 2017
    Publication date: April 27, 2017
    Inventors: Randy Blevins, Joshua B. Pearson, Harold A. Wright
  • Patent number: 9574147
    Abstract: A mixing apparatus for producing a feedstock for a reformer, the mixing apparatus including at least one mixing vessel comprising a cylindrical vessel with a conical bottom; a steam inlet configured for introducing steam into the conical bottom; a carbonaceous material inlet configured for introducing a carbonaceous feed into the cylindrical vessel; and an outlet for a reformer feedstock comprising at least 0.3 pounds of steam per pound of carbonaceous material, with the at least one mixing vessel configured for operation at a pressure of greater than about 10 psig.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: February 21, 2017
    Assignee: RES USA, LLC
    Inventors: Randy Blevins, Joshua B. Pearson, Harold A. Wright
  • Publication number: 20150291897
    Abstract: A system for the production of synthesis gas, the system including a mixing apparatus configured for combining steam with at least one carbonaceous material to produce a reformer feedstock; and a reformer comprising a cylindrical vessel containing a plurality of coiled tubes, each of the plurality of coiled tubes having a vertical height in the range of from about 40 feet 12.2 m) to about 100 feet (30.5 m) and a coil length that is at least four times the vertical height; at least one burner configured to combust a fuel and provide heat to maintain the reformer at a reformer temperature; at least one outlet for reformer product comprising synthesis gas; and at least one outlet for flue gas produced via combustion of fuel in the burners. A suitable mixing apparatus is also provided.
    Type: Application
    Filed: June 24, 2015
    Publication date: October 15, 2015
    Inventors: Randy BLEVINS, Joshua B. Pearson, Harold A. Wright
  • Patent number: 9127220
    Abstract: A system for the production of synthesis gas, the system including a mixing apparatus configured for combining steam with at least one carbonaceous material to produce a reformer feedstock; and a reformer comprising a cylindrical vessel containing a plurality of coiled tubes, wherein each of the plurality of coiled tubes has a vertical height in the range of from about 40 feet 12.2 m) to about 100 feet (30.5 m) and a coil length that is at least four times the vertical height; at least one burner configured to combust a fuel and provide heat to maintain the reformer at a reformer temperature; at least one outlet for reformer product comprising synthesis gas; and at least one outlet for flue gas produced via combustion of fuel in the burners. A suitable mixing apparatus is also provided.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: September 8, 2015
    Assignee: RES USA, LLC
    Inventors: Randy Blevins, Joshua B. Pearson, Harold A. Wright
  • Publication number: 20150086432
    Abstract: A system including a mixing apparatus configured to produce a reformer feedstock and comprising one or more cylindrical vessel having a conical bottom section, an inlet for superheated steam within the conical bottom section and an inlet for at least one carbonaceous material at or near the top of the cylindrical vessel, wherein the one or more cylindrical vessel is a pressure vessel configured for operation at a pressure in the range of from about 5 psig (34.5 kPa) to about 50 psig (344.7 kPa); a reformer configured to produce, from the reformer feedstock, a reformer product comprising synthesis gas, and also producing a hot flue gas; a synthesis gas conversion apparatus configured to catalytically convert at least a portion of the synthesis gas in the reformer product into synthesis gas conversion product, and to separate, from the synthesis gas conversion product, a spent catalyst stream and a tailgas.
    Type: Application
    Filed: December 2, 2014
    Publication date: March 26, 2015
    Inventors: RANDY BLEVINS, Joshua B. Pearson, Harold A. Wright
  • Patent number: 8936769
    Abstract: A system for the production of conversion products from synthesis gas, the system including a mixing apparatus configured for mixing steam with at least one carbonaceous material to produce a reformer feedstock; a reformer configured to produce, from the reformer feedstock, a reformer product comprising synthesis gas comprising hydrogen and carbon monoxide from the reformer feedstock; a synthesis gas conversion apparatus configured to catalytically convert at least a portion of the synthesis gas in the reformer product into synthesis gas conversion product and to separate from the synthesis gas conversion product a tailgas comprising at least one gas selected from the group consisting of carbon monoxide, carbon dioxide, hydrogen and methane; and one or more recycle lines fluidly connecting the synthesis gas conversion apparatus with the mixing apparatus, the reformer, or both.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: January 20, 2015
    Assignee: RES USA, LLC.
    Inventors: Randy Blevins, Joshua B. Pearson, Harold A. Wright
  • Publication number: 20140261112
    Abstract: A mixing apparatus for producing a feedstock for a reformer, the mixing apparatus including at least one mixing vessel comprising a cylindrical vessel with a conical bottom; a steam inlet configured for introducing steam into the conical bottom; a carbonaceous material inlet configured for introducing a carbonaceous feed into the cylindrical vessel; and an outlet for a reformer feedstock comprising at least 0.3 pounds of steam per pound of carbonaceous material, with the at least one mixing vessel configured for operation at a pressure of greater than about 10 psig.
    Type: Application
    Filed: May 28, 2014
    Publication date: September 18, 2014
    Applicant: RENTECH, INC.
    Inventors: Randy BLEVINS, Joshua B. Pearson, Harold A. Wright
  • Patent number: 8367741
    Abstract: A method of producing synthesis gas by mixing a carbonaceous feed comprising at least one carbonaceous material with superheated steam to produce a reformer feedstock and reforming the reformer feedstock to produce a first synthesis gas comprising hydrogen and carbon monoxide by introducing the reformer feedstock into a plurality of coiled tubes within a reformer at a reformer temperature and a reformer pressure at which at least a portion of the reformer feedstock is converted to synthesis gas.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: February 5, 2013
    Assignee: Rentech, Inc.
    Inventors: Randy Blevins, Joshua B. Pearson, Harold A. Wright
  • Publication number: 20120134888
    Abstract: A system for the production of synthesis gas, the system including a mixing apparatus configured for combining steam with at least one carbonaceous material to produce a reformer feedstock; and a reformer comprising a cylindrical vessel containing a plurality of coiled tubes, wherein each of the plurality of coiled tubes has a vertical height in the range of from about 40 feet 12.2 m) to about 100 feet (30.5 m) and a coil length that is at least four times the vertical height; at least one burner configured to combust a fuel and provide heat to maintain the reformer at a reformer temperature; at least one outlet for reformer product comprising synthesis gas; and at least one outlet for flue gas produced via combustion of fuel in the burners. A suitable mixing apparatus is also provided.
    Type: Application
    Filed: May 19, 2011
    Publication date: May 31, 2012
    Applicant: RENTECH, INC.
    Inventors: Randy BLEVINS, Joshua B. Pearson, Harold A. Wright
  • Publication number: 20120126176
    Abstract: A method of producing synthesis gas by mixing a carbonaceous feed comprising at least one carbonaceous material with superheated steam to produce a reformer feedstock and reforming the reformer feedstock to produce a first synthesis gas comprising hydrogen and carbon monoxide by introducing the reformer feedstock into a plurality of coiled tubes within a reformer at a reformer temperature and a reformer pressure at which at least a portion of the reformer feedstock is converted to synthesis gas.
    Type: Application
    Filed: May 19, 2011
    Publication date: May 24, 2012
    Applicant: RENTECH, INC.
    Inventors: Randy Blevins, Joshua B. Pearson, Harold A. Wright
  • Patent number: 8168686
    Abstract: A method and system for reforming a carbonaceous feedstock comprising the steps, reforming the feedstock produce a first synthesis gas, subjecting a portion of the first synthesis gas to catalytic conversion, separating from the synthesis gas conversion product at least one byproduct, and utilizing at least a portion of the at least one byproduct during reforming of additional carbonaceous material. In certain instances, the method and system may be used to produce a liquid fuel.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: May 1, 2012
    Assignee: Rentech, Inc.
    Inventors: Randy Blevins, Joshua B. Pearson, Harold A. Wright
  • Publication number: 20120020846
    Abstract: A system for the production of conversion products from synthesis gas, the system including a mixing apparatus configured for mixing steam with at least one carbonaceous material to produce a reformer feedstock; a reformer configured to produce, from the reformer feedstock, a reformer product comprising synthesis gas comprising hydrogen and carbon monoxide from the reformer feedstock; a synthesis gas conversion apparatus configured to catalytically convert at least a portion of the synthesis gas in the reformer product into synthesis gas conversion product and to separate from the synthesis gas conversion product a tailgas comprising at least one gas selected from the group consisting of carbon monoxide, carbon dioxide, hydrogen and methane; and one or more recycle lines fluidly connecting the synthesis gas conversion apparatus with the mixing apparatus, the reformer, or both.
    Type: Application
    Filed: September 27, 2011
    Publication date: January 26, 2012
    Inventors: Randy BLEVINS, Joshua B. PEARSON, Harold A. WRIGHT
  • Patent number: 8093306
    Abstract: A method and system for reforming a carbonaceous feedstock comprising the steps, reforming the feedstock produce a first synthesis gas, subjecting a portion of the first synthesis gas to catalytic conversion, separating from the synthesis gas conversion product at least one byproduct, and utilizing at least a portion of the at least one byproduct during reforming of additional carbonaceous material. In certain instances, the method and system may be used to produce a liquid fuel.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: January 10, 2012
    Assignee: Rentech, Inc.
    Inventors: Randy Blevins, Joshua B. Pearson, Harold A. Wright
  • Publication number: 20110178185
    Abstract: A method and system for reforming a carbonaceous feedstock comprising the steps, reforming the feedstock produce a first synthesis gas, subjecting a portion of the first synthesis gas to catalytic conversion, separating from the synthesis gas conversion product at least one byproduct, and utilizing at least a portion of the at least one byproduct during reforming of additional carbonaceous material. In certain instances, the method and system may be used to produce a liquid fuel.
    Type: Application
    Filed: December 22, 2010
    Publication date: July 21, 2011
    Applicant: CLEARFUELS TECHNOLOGY INC.
    Inventors: Randy BLEVINS, Joshua B. PEARSON, Harold A. WRIGHT
  • Publication number: 20110168605
    Abstract: A method and system for reforming a carbonaceous feedstock comprising the steps, reforming the feedstock produce a first synthesis gas, subjecting a portion of the first synthesis gas to catalytic conversion, separating from the synthesis gas conversion product at least one byproduct, and utilizing at least a portion of the at least one byproduct during reforming of additional carbonaceous material. In certain instances, the method and system may be used to produce a liquid fuel.
    Type: Application
    Filed: December 22, 2010
    Publication date: July 14, 2011
    Applicant: CLEARFUELS TECHNOLOGY INC.
    Inventors: Randy BLEVINS, Joshua B. PEARSON, Harold A. WRIGHT