Patents by Inventor Karen G. Irving

Karen G. Irving 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).

  • Catalyst structures and burners for heat producing devices
    Patent number: 5368475
    Abstract: A catalytic burner for oxidizing gaseous fuel in a catalytic combustion device having a gaseous fuel discharge tube, the burner comprises a tubular catalyst defining a catalytic combustion chamber and having an inlet opening at one end thereof for admitting gaseous fuel into the chamber, an outlet opening at the other end thereof for discharging products of combustion from the chamber, and a support for mounting the catalyst in coaxial relation on the discharge tube; and a gas distributor disposed within the inlet end of the catalyst proximate to but spaced from the discharge tube for uniformly distributing across the chamber gaseous fuel introduced into the chamber through the inlet opening.
    Type: Grant
    Filed: March 9, 1992
    Date of Patent: November 29, 1994
    Assignee: Atomic Energy of Canada Limited
    Inventors: Sellathurai Suppiah, Deborah L. Burns, Karen G. Irving, Christopher R. Aelick
  • Catalyst structures and burners for heat producing devices
    Patent number: 5094611
    Abstract: A catalytic burner for oxidizing gaseous fuel in a catalytic combustion device having a gaseous fuel discharge tube, the burner comprises a tubular catalyst defining a catalytic combustion chamber and having an inlet opening at one end thereof for admitting gaseous fuel into the chamber, an outlet opening at the other end thereof for discharging products of combustion from the chamber, and a support for mounting the catalyst in coaxial relation on the discharge tube; and a gas distributor disposed within the inlet end of the catalyst proximate to but spaced from the discharge tube for uniformly distributing across the chamber gaseous fuel introduced into the chamber through the inlet opening.
    Type: Grant
    Filed: September 7, 1989
    Date of Patent: March 10, 1992
    Assignee: Atomic Energy of Canada Limited
    Inventors: Sellathurai Suppiah, Debbie L. Burns, Karen G. Irving, Christopher R. Aelick