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| Number | Title | Issue Date |
| 5865908 | Composite diffusion type nitriding method, composite diffusion type nitriding apparatus and method for producing nitride A composite diffusion type nitriding method and a composite diffusion type nitriding apparatus of the present invention are effectively used for nitriding various materials, such as machine parts, as well as a material which is difficult for nitriding by ... | 02/02/1999 |
| 5487496 | Lead delivery system for casting straps in the manufacture and assembly of lead-acid batteries An apparatus for delivering molten lead or a lead alloy to the cast-on-strap molds used in the manufacture and assembly of lead-acid batteries is disclosed which comprises a lead delivery member having a lead reservoir of the molten lead or lead alloy, at... | 01/30/1996 |
| 5379988 | Plant for extracting substances in gas or mist form from a flow of gas A plant for separating substances from a gas flow, especially environmentally harmful heavy metals in gas form released in connection with incinerating batteries, the plant including in series connection in a gas flow circuit, a chamber for initially coll... | 01/10/1995 |
| 5348703 | Vapor deposition apparatus and method Apparatus for the physical vapor deposition of an alloy whose constituent ements have widely differing vapor pressures comprises an inner evaporation crucible (1) surrounded by a second evaporation crucible (2) having an array of nozzles (9) angled toward... | 09/20/1994 |
| 4540161 | Installation for the fusion of metal ingots An installation for the fusion of metal ingots so as to provide a continuous supply of the metal ingots to an electric furnace in a safe fashion. The installation includes a rail on which can be suspended several metal ingots one behind the other. The rai... | 09/10/1985 |
| 4402492 | Burner apparatus for molten metal fume suppression Apparatus is described that is particularly adapted for suppressing fume generated in the flow of molten metal through the runner system of a blast furnace cast house. Burners adapted for combusting fuel and air are disposed at longitudinally spaced locat... | 09/06/1983 |
