Patents by Inventor John College

John College 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: 8545578
    Abstract: Disclosed is an apparatus and method for capturing the hot humid gases from a gypsum board dryer and utilizing those gases in the production of a synthetic gas (referred to as “syngas”). The syngas produced can then be utilized within a gypsum board plant to reduce the amount of natural gas needed.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: October 1, 2013
    Assignee: CertainTeed Gypsum, Inc.
    Inventor: John College
  • Patent number: 8371038
    Abstract: The present invention relates to an improved method for using heat energy in a gypsum board plant. More specifically, the method contemplates taking heat from a gasifier, or other alternative heat source, and using it to dry gypsum boards. In order to control humidity levels, this heat is delivered to one or more board dryers via a heat exchanger.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: February 12, 2013
    Assignee: CertainTeed Gypsum, Inc.
    Inventors: John College, Felipe J. Yanes, David Corbin
  • Patent number: 7955587
    Abstract: The present invention relates to a system and associated method for the production of gypsum in manufacturing plant. More specifically, the invention relates to the production of alpha-type gypsum in a gypsum board manufacturing plant. The system yields increased efficiencies by capturing heat given off during processing steps and using that heat to reduce the energy needed for calcination. The invention finds particular application in the production alpha-type gypsum. The present invention is described in greater detail hereinafter in conjunction with the following specific embodiments.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: June 7, 2011
    Assignee: CertainTeed Gypsum, Inc.
    Inventor: John College
  • Publication number: 20100170155
    Abstract: Disclosed is a method for utilizing the by-product of a board plant in production of a synthetic gas (referred to as “syngas”). The syngas produced by way of the present invention can then be utilized within the board plant to, thereby, reduce the amount of natural needed. The method utilizes the heated water vapor (H20) and carbon dioxide (C02) found within the flue gas of a board dryer. The H2 and CO2 are used in a gasification process to yield the syngas.
    Type: Application
    Filed: July 2, 2009
    Publication date: July 8, 2010
    Inventor: John College
  • Publication number: 20100055431
    Abstract: Disclosed are composite building boards and associated manufacturing methods. The composite boards may include, for example, one or more slurry layers with embedded fibrous mats. An exterior plastic coating is mechanically adhered to the underlying slurry layer. The plastic layer chemically bonds and cross-links with polymer additives within the slurry layer. The result is an integrated polymer matrix with greatly improved durability and surface strength.
    Type: Application
    Filed: June 8, 2009
    Publication date: March 4, 2010
    Applicant: CertainTeed Gypsum, Inc.
    Inventor: John College
  • Publication number: 20090308284
    Abstract: The present invention relates to a system and associated method for the production of gypsum in manufacturing plant. More specifically, the invention relates to the production of alpha-type gypsum in a gypsum board manufacturing plant. The system yields increased efficiencies by capturing heat given off during processing steps and using that heat to reduce the energy needed for calcination. The invention finds particular application in the production alpha-type gypsum. The present invention is described in greater detail hereinafter in conjunction with the following specific embodiments.
    Type: Application
    Filed: March 2, 2009
    Publication date: December 17, 2009
    Inventor: John College
  • Publication number: 20090217546
    Abstract: The present invention relates to an improved method for using heat energy in a gypsum board plant. More specifically, the method contemplates taking heat from a gasifier, or other alternative heat source, and using it to dry gypsum boards. In order to control humidity levels, this heat is delivered to one or more board dryers via a heat exchanger.
    Type: Application
    Filed: November 25, 2008
    Publication date: September 3, 2009
    Inventors: John College, Felipe J. Yanes, David Corbin
  • Patent number: 7498014
    Abstract: The present invention relates to a system and associated method for the production of gypsum in manufacturing plant. More specifically, the invention relates to the production of alpha-type gypsum in a gypsum board manufacturing plant. The system yields increased efficiencies by capturing heat given off during processing steps and using that heat to reduce the energy needed for calcination. The invention finds particular application in the production alpha-type gypsum. The present invention is described in greater detail hereinafter in conjunction with the following specific embodiments.
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: March 3, 2009
    Assignee: Certainteed Gypsum, Inc.
    Inventor: John College
  • Publication number: 20070172413
    Abstract: The present invention relates to a system and associated method for the production of gypsum in manufacturing plant. More specifically, the invention relates to the production of alpha-type gypsum in a gypsum board manufacturing plant. The system yields increased efficiencies by capturing heat given off during processing steps and using that heat to reduce the energy needed for calcination. The invention finds particular application in the production alpha-type gypsum. The present invention is described in greater detail hereinafter in conjunction with the following specific embodiments.
    Type: Application
    Filed: January 12, 2007
    Publication date: July 26, 2007
    Inventor: John College