In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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| Number | Title | Issue Date |
| 6980580 | Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace The electrode arrangement uses vertically oriented electrodes with side wall contacts for an electrothermic smelting furnace for aluminum production. The side wall contacts are radially moveable into the furnace to compensate for wear on the contacts. The side wall ... | 12/27/2005 |
| 6350293 | Bottom pour electroslag refining systems and methods A bottom pour electroslag refining system refines raw material into refined liquid metal. The bottom pour electroslag refining system comprises an electroslag refining crucible; a slag; a bottom pour structure that comprises an orifice from which refined ... | 02/26/2002 |
| 6157666 | Controlled current feed device for electric arc furnace Controlled current feed device for electric arc furnace employed to melt metals, wherein the feed line comprises at least a medium tension bar (13), a feed control device and a transformer (17) serving the furnace, the feed control device (16) being arran... | 12/05/2000 |
| 4475205 | Apparatus for the electroslag remelting of alloys, especially steel An electroslag remelting furnace includes a liquid-cooled, open-ended mold supported by a bottom plate of high electric conductivity, for instance, formed of copper, which closes the mold at one of its ends. The mold has a plane of symmetry which contains... | 10/02/1984 |
| 4403328 | DC Arc furnace power connection system A DC arc furnace has power lines arranged completely symmetrically with respect to the arc so as to prevent the arc from bending angularly.... | 09/06/1983 |
| 4280550 | Electroslag remelting furnace with improved power connection An electroslag remelting furnace with a power connection at the base and a coaxial conductor to eliminate the deleterious effects of magnetic fields upon the pool of molten metal. The furnace may have a vertically moveable crucible, and also a top support... | 07/28/1981 |
| 4262159 | Electroslag remelting apparatus with coaxial current paths An electroslag remelting arrangement for remelting consumable electrodes into ingots, in which the ingot mold power connection is mounted beneath the mold upper edge on the ingot mold or on the mold floor, and is led away downwardly. The electrode current... | 04/14/1981 |
| 4049901 | Electroslag furnace The invention contemplates an electroslag furnace, wherein a vertical column is provided with an even number of supports, the carriages of the electrode holder and mould moving along guides on the supports, and in spaces between the supports there are pro... | 09/20/1977 |