The present invention relates generally to a ladle metallurgy furnace having an improved roof structure. The improved roof may comprise an internal surface structure having a substantially smooth exterior surface, an external surface structure spaced apart from the internal surface structure, a plurality of channels that are defined intermediate the internal and external surface structures …

Legal parties

Inventors (applicants): Kenneth L. Carraway
Assignees (initial): Superior Machine Co. of South Carolina, Inc. (Florence, US)
Agents: Nelson Mullins Riley & Scarborough, LLP (attorney)

The application was examined by Scott Kastler (USPTO dept. 1733)


  • 1. A ladle metallurgy furnace comprising: …
  • 2. The ladle metallurgy furnace of claim 1 , wherein said exterior surface structure comprises …
  • 3. The ladle metallurgy furnace of claim 1 , wherein at least one channel is in fluid …

Cited documents


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Brief Description of the Drawings

A full and enabling disclosure of the present invention, including the best mode thereof directed to one of ordinary skill in the art, is set forth in the specification …


Field of the Invention

The present invention relates generally to ladle metallurgy furnaces. More particularly, the present invention relates to a ladle metallurgy furnace having an improved …

Detailed Description of Preferred Embodiments

Reference will now be made in detail to presently preferred embodiments of the invention, one or more examples of which are illustrated in the accompanying drawings. Each example is provided …

More details about Ladle Metallurgy Furnace Having Improved Roof

Miscellaneous patent data

11 figures depict the invention details, the application publication date is Feb. 1, 2011, the assignee is categorized as a United States company, the claim number 1 is selected as exemplary, the known applicant's name is Carraway Kenneth L., the applicant's city - Scranton, state - SC, the grant publication number is 08858867, the term of the patent grant was extended by 147 days, the invention is titled Ladle Metallurgy Furnace Having Improved Roof, the recorded agent's organization is Nelson Mullins Riley & Scarborough, LLP, the patent is illustrated by 10 drawings, similar patents are classified under Metal Melting Furnaces, e.g., Cupola Type, Screw feeders, Screw dischargers, or maintaining special atmospheres or vacuum within heating chambers, maintaining, or circulating atmospheres in heating chambers, Observation or illuminating devices, Arrangement for using waste heat, Arrangement for using, or disposing of, waste gases, Heating by electric discharge, e.g. arc discharge, Correlated flow of diverse fluents, Means Treating Solid Metal, Including electromagnetic means, Ram or pusher apparatus, or maintaining special atmospheres or vacuum within heating chambers, Crowns, Roofs, Plugging or tapping, Travelling or movable supports or containers for the charge, categorized under With means to cool treating means as a primary classification, the grant date is Oct. 14, 2014 (publication date), the assignee organization is Superior Machine Co. of South Carolina, Inc., located in Florence (US), the published inventor's name is Carraway Kenneth L., the inventor's address - Scranton, SC, claims 1-23 comprise the invention scope, the examination was conducted by Scott Kastler (primary examiner, 1733 USPTO department), the application number is 13/018,742 (U.S.), the exemplary patent drawings are Cross-sectional view of a ladle, Ladle Metallurgy Furnace Having Improved, Underneath, perspective view of the ladle, Front view of a ladle, developed by Kenneth L. Carraway, particularly claims a ladle metallurgy furnace comprising…

Invention classification information

The invention is classified under Door frames, Doors, lids, removable covers, With cooling, Manufacture of steel in electric furnaces, incorporating cooling arrangements, Cooling of furnaces or of charges therein, Subject matter not provided for in other groups of this subclass, Crowns, Roofs, With means to cool treating means. The designated search classifications include With means to cool treating means, With cooling.

Patent details
Publication number 08858867
Publication date Oct. 14, 2014
Kind code B2
Application number 13/018,742
Application date Feb. 1, 2011
Application type U
Application series code 13
Extension term 147
National classification 266/241
Total number of claims 23
Exemplary claims 1
Number of drawings 10
Number of figures 11
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