Patents by Inventor John Kenneth Williams

John Kenneth Williams 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).

  • Twin plasma torch apparatus
    Patent number: 6744006
    Abstract: A twin plasma torch assembly includes two plasma torch assemblies supported in a housing. Each of the two plasma torch assemblies has an electrodes. Plasma gas is introduced into a processing zone around the two electrodes. A shroud gas is introduced to surround the plasma. A feed tube is provided to supply feed material to the processor.
    Type: Grant
    Filed: April 1, 2003
    Date of Patent: June 1, 2004
    Assignee: Tetronics Limited
    Inventors: Timothy Paul Johnson, David Edward Deegan, Christopher David Chapman, John Kenneth Williams
  • Twin plasma torch apparatus
    Publication number: 20030160033
    Abstract: A twin plasma torch assembly comprising two plasma torch assemblies (10, 20) supported in a housing. Each torch has first and second spaced electrodes. Plasma gas is introduced into a processing zone between two electrodes. A shroud gas is introduced to surround the plasma. A feed tube (112) is provided to supply feed material to the processor.
    Type: Application
    Filed: April 1, 2003
    Publication date: August 28, 2003
    Inventors: Timothy Paul Johnson, David Edward Deegan, Christopher David Chapman, John Kenneth Williams