Patents by Inventor Christopher Alston

Christopher Alston 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).

  • Method for marking a coated substrate
    Patent number: 9017774
    Abstract: The present invention relates to methods for marking a coated substrate. In particular, the present invention relates to methods for marking a coated substantially cementitious substrate in the form of a cementitious building product. The method comprises the steps of treating at least a portion of an uncoated cementitious substrate to form indicia; and applying a surface coating on said cementitious substrate to at least partially cover said indicia such that a marking is formed.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: April 28, 2015
    Assignee: James Hardie Technology Limtied
    Inventors: Christopher Alston, Greg Brunton, Peter Pagones, Joseph Sanegor
  • Method for marking a substrate
    Patent number: 8900803
    Abstract: The present invention relates to methods for marking a substrate. In particular, the present invention relates to methods for applying visual indicia to a substantially cementitious substrate in the form of a cementitious building product. The method comprising the steps of: irradiating a surface of said substantially cementitious substrate for a sufficient time and with sufficient energy to at least partially vitrify said surface thereby marking said substrate.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: December 2, 2014
    Assignee: James Hardie Technology Limited
    Inventors: Christopher Alston, Greg Brunton, Peter Pagones, Joseph Sanegor
  • Method for Marking a Substrate
    Publication number: 20120021194
    Abstract: The present invention relates to methods for marking a substrate. In particular, the present invention relates to methods for applying visual indicia to a substantially cementitious substrate in the form of a cementitious building product. The method comprising the steps of: irradiating a surface of said substantially cementitious substrate for a sufficient time and with sufficient energy to at least partially vitrify said surface thereby marking said substrate.
    Type: Application
    Filed: June 20, 2011
    Publication date: January 26, 2012
    Applicant: JAMES HARDIE TECHNOLOGY LIMITED
    Inventors: Christopher Alston, Greg Brunton, Peter Pagones, Joseph Sanegor
  • METHOD FOR MARKING A COATED SUBSTRATE
    Publication number: 20110311779
    Abstract: The present invention relates to methods for marking a coated substrate. In particular, the present invention relates to methods for marking a coated substantially cementitious substrate in the form of a cementitious building product. The method comprises the steps of treating at least a portion of an uncoated cementitious substrate to form indicia; and applying a surface coating on said cementitious substrate to at least partially cover said indicia such that a marking is formed.
    Type: Application
    Filed: June 21, 2011
    Publication date: December 22, 2011
    Applicant: JAMES HARDIE TECHNOLOGY LIMITED
    Inventors: Christopher Alston, Greg Brunton, Peter Pagones, Joseph Sanegor