Patents by Inventor Howard Seemann

Howard Seemann 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).

  • Low NOX burner
    Patent number: 4874310
    Abstract: A controlled primary air inspirating gas burner is provided with a fuel inspirating jet and an induced primary air passageway, with a means forming a separate control primary air passageway, together with means for controlling the introduction of control primary air. The content of nitrogen oxides in the flue gas is substantially reduced by introduction of regulated amounts of control primary air into the burner.
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: October 17, 1989
    Assignee: Selas Corporation of America
    Inventors: Howard Seemann, Chad F. Gottschlich