Patents by Inventor Graham Thomas Coulthard

Graham Thomas Coulthard 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: 8454790
    Abstract: A method of manufacturing a hard wood strand product, comprising the steps of harvesting logs of eucalypts from plantation trees having an age between 8 years and 12 years, forming strands from the logs, adding a binder including a polymeric methane di-isocyanate resin and a wax to the strands, forming a mat with the strands, and pressing and heating the mat using a press to form the strand product.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: June 4, 2013
    Assignee: Lignor Limited
    Inventors: Peter Edward Burton, Graham Thomas Coulthard
  • Publication number: 20100266807
    Abstract: A hard wood strand lumber or board product including strands of one or more eucalypts bonded together with a binder including an isocyanate resin.
    Type: Application
    Filed: May 7, 2010
    Publication date: October 21, 2010
    Applicant: LIGNOR LIMITED
    Inventors: Peter Edward BURTON, Graham Thomas COULTHARD
  • Patent number: 7740929
    Abstract: A strand lumber or board product based on eucalypt species and an iso-cyanate binder such as PMDI.
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: June 22, 2010
    Assignee: Lignor Limited
    Inventors: Peter Edward Burton, Graham Thomas Coulthard
  • Publication number: 20080226867
    Abstract: A strand lumber or board product based on eucalypt species and an iso-cyanate binder such as PMDI.
    Type: Application
    Filed: December 14, 2004
    Publication date: September 18, 2008
    Applicant: LIGNOR LIMITED
    Inventors: Peter Edward Burton, Graham Thomas Coulthard