Patents by Inventor Geoffrey Alexander Duckworth

Geoffrey Alexander Duckworth 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: 10843931
    Abstract: A method for producing a cyanide including the steps of supplying a hydrocarbon and nitrogen source to an onsite plasma reactor and removing cyanide synthesised inside the onsite plasma reactor to thereby produce the cyanide is disclosed. Also disclosed is a method which includes a monitor for monitoring the cyanide requirement of an onsite cyanide utilising system and supplying the hydrocarbon and nitrogen source in accordance with the cyanide requirement. Additionally, a method for recovering, refining, purifying or treating a metal including the steps of monitoring a cyanide requirement of the method and supplying to the method in a just in time sequence a cyanide synthesised onsite to thereby recover, refine, purify or treat the metal is disclosed.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: November 24, 2020
    Assignee: SYNERGEN MET LIMITED
    Inventor: Geoffrey Alexander Duckworth
  • Publication number: 20110011212
    Abstract: A method for producing a cyanide including the steps of supplying a hydrocarbon and nitrogen source to an onsite plasma reactor and removing cyanide synthesised inside the onsite plasma reactor to thereby produce the cyanide is disclosed. Also disclosed is a method which includes a monitor for monitoring the cyanide requirement of an onsite cyanide utilising system and supplying the hydrocarbon and nitrogen source in accordance with the cyanide requirement. Additionally, a method for recovering, refining, purifying or treating a metal including the steps of monitoring a cyanide requirement of the method and supplying to the method in a just in time sequence a cyanide synthesised onsite to thereby recover, refine, purify or treat the metal is disclosed.
    Type: Application
    Filed: March 11, 2009
    Publication date: January 20, 2011
    Applicant: SYNERGEN MET LIMITED
    Inventor: Geoffrey Alexander Duckworth