Patents by Inventor Raymond N. Elderfield

Raymond N. Elderfield 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).

  • Tuyeres with heat pipes and method of manufacturing
    Patent number: 4398703
    Abstract: The tuyere for a blast furnace, the tuyere having a body part (10) with cooling means extending rearwardly from a nose portion of the body (10).In order that a failure of the tuyere when in service does not result in large quantities of water entering the furnace, the cooling means are constituted by a plurality of heat pipes, the heat pipes being formed either in tubes (12) cast in the body part (10) or being formed in holes (112) drilled in said body part.
    Type: Grant
    Filed: April 15, 1981
    Date of Patent: August 16, 1983
    Assignee: Carblox Limited
    Inventor: Raymond N. Elderfield
  • Cooling of tuyeres in blast furnaces
    Patent number: 4258633
    Abstract: A tuyere for use in a blast furnace and provided with or constituted by a number of heat pipes extending generally longitudinally of the tuyere, the heat pipes being connectible to heat transfer apparatus located wholly outside the furnace.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: March 31, 1981
    Assignee: Housley Kimmich Company
    Inventor: Raymond N. Elderfield