Patents by Inventor Hunter Spoon

Hunter Spoon 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: 6635121
    Abstract: The invention relates to a method for controlling the decarburization of steel components in a furnace during heat treating processes. The concentration of CO2 and/or CO in the furnace is monitored in a first batch in order to determine periods of elevated CO2/CO concentrations, and inert gas is injected in subsequent batches during the previously determined periods of elevated CO2/CO concentrations.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: October 21, 2003
    Assignees: American Air Liquide, Inc., L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Yannick Rancon, Hunter Spoon
  • Publication number: 20030131912
    Abstract: The invention relates to a method and apparatus for controlling the decarburization of steel components in a furnace during heat treating processes. The concentration of CO2 and/or CO in the furnace is monitored by an analyzer. Responsive to a signal from the analyzer indicating an elevated concentration of CO2 and/or CO, a gas injector injects inert gas into the furnace at a flow rate of at least about 2 renewals per hour.
    Type: Application
    Filed: February 4, 2000
    Publication date: July 17, 2003
    Inventors: Yannick Rancon, Hunter Spoon