Patents by Inventor Edward A. Ketterer

Edward A. Ketterer 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: 4309947
    Abstract: A high efficiency domestic furnace incorporates means for separating and neutralizing flue gas condensate. Acidic condensate from the flue gas products of combustion is neutralized by contact with neutralizing material in a housing through which the condensate is flowed. The use of the neutralizer in connection with a high efficiency domestic furnace permits discharge of the condensate directly to the household drain. The neutralizer is arranged to be self-flushing and defines a serpentine, series flow path and is arranged to discharge the neutralized condensate as a result of the entry of additional acidic condensate at its inlet. To enhance the operation of the neutralizer, it is arranged to be vibrated during normal operation of the furnace.
    Type: Grant
    Filed: March 26, 1980
    Date of Patent: January 12, 1982
    Assignee: Heil-Quaker Corporation
    Inventor: Edward A. Ketterer