Patents by Inventor Howard H. Seemann

Howard H. 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).

  • Burner
    Patent number: 4487573
    Abstract: A vortex burner is provided in a burner block, having a sleeve spaced within the burner block, the sleeve being shorter than the burner block opening and spaced within such opening to provide a passageway between them. The burner block has an exvoluting cup which creates negative pressure therein, tending to draw cooling air inwardly into the cup, cooling the short sleeve.
    Type: Grant
    Filed: August 10, 1982
    Date of Patent: December 11, 1984
    Assignee: Selas Corporation of America
    Inventors: Chad F. Gottschlich, Leland H. S. Roblee, Jr., Howard H. Seemann, William G. Bates, Richard F. Spahr
  • Furnace wall construction
    Patent number: 4168950
    Abstract: The invention is directed to a fibrous and substantially non-porous shield that is placed around a burner block in a furance wall in order to prevent the flow of combustion gases or combustible gases back from the block to the casing of the furnace wall where they could burn and damage said casing.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: September 25, 1979
    Assignee: Selas Corporation of America
    Inventors: Howard H. Seemann, George J. Ochsenreither, Jr.