Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7351369 | Molded twist-on wire connector A wire connector wherein the wire engaging core and electrically insulated housing are molded with an exterior surface of a molded wire engaging core used as a mold surface as the electrically insulated housing is molded around the wire engaging core to provide a wi... | 04/01/2008 |
| 7258155 | Ingot mould for quenching metals and ingots thus obtained An ingot mold for metals which is intended for the production of an ingot through the cooling and solidification of a liquid metal mass. The mold includes a wall which defines a base and an inner surface having a part S, known as the cooling surface, which can disch... | 08/21/2007 |
| 7243701 | Treating molten metals by moving electric arc An apparatus (10) and a method for reducing inclusions, shrinkage blowholes, porosity and segregation in metal castings during the casting process, and for improving the grain structure, mechanical properties and yield of ingots and other castings. The appara... | 07/17/2007 |
| 7193174 | Method and apparatus for alignment of components of a plasma arc torch A coolant tube and electrode are adapted to mate with each other to align the tube relative to the electrode during operation of the torch. Improved alignment ensures an adequate flow of coolant along an interior surface of the electrode. In one aspect, an elongated... | 03/20/2007 |
| 7126081 | Radial pulsed arc discharge gun for synthesizing nanopowders A system and method for synthesizing nanopowder which provides for precursor material ablation from two opposing electrodes that are spaced apart within a gaseous atmosphere, where a plasma is created by a high power pulsed electrical discharge between the electrode... | 10/24/2006 |
| 7114548 | Method and apparatus for treating articles during formation A method of making an article includes forming a molten material by melting at least a portion of a mass of a metal and an alloy. The method further includes forming the article by solidifying at least a portion of the molten material within a mold, and contacting t... | 10/03/2006 |
| 7017645 | Thermoplastic casting of amorphous alloys A process and apparatus for thermoplastic casting of a suitable glass forming alloy is provided. The method and apparatus comprising thermoplastically casting the alloy in either a continuous or batch process by maintaining the alloy at a temperature in a thermoplas... | 03/28/2006 |
| 7019255 | Method and apparatus for alignment of components of a plasma ARC torch A coolant tube and electrode are adapted to mate with each other to align the tube relative to the electrode during operation of the torch. Improved alignment ensures an adequate flow of coolant along an interior surface of the electrode. In one aspect, an elongated... | 03/28/2006 |
| 7011136 | Method and apparatus for melting metals A method and apparatus for melting metals uses microwave energy as the primary source of heat. The metal or mixture of metals are placed in a ceramic crucible which couples, at least partially, with the microwaves to be used. The crucible is encased in a ceramic cas... | 03/14/2006 |
| 6988529 | Method and apparatus for preparing a metal or metal-alloy product for a casting process The present invention relates to a method and apparatus for preparing a metal or metal-alloy product for a casting process—wherein the product is brought into a partly solidified (semi-solidified) state before casting—in which the product contains crystallizatio... | 01/24/2006 |
| 6965629 | Method and apparatus for initiating a pulsed arc discharge for nanopowder synthesis A nanopowder synthesis system having an autofuser device which obviates the need for external power switches, and which accommodates repeated discharges (of the order of 107) between ablating electrodes of precursor material at a high repetition rate (≧... | 11/15/2005 |
| 6946617 | Method and apparatus for alignment of components of a plasma arc torch A coolant tube and electrode are adapted to mate with each other to align the tube relative to the electrode during operation of the torch. Improved alignment ensures an adequate flow of coolant along an interior surface of the electrode. In one aspect, an elongated... | 09/20/2005 |
| 6918942 | Process for production of titanium alloy Titanium-aluminum alloy is prepared as a master alloy, and the aluminum master alloy and a pure titanium material are melted by an electron beam to yield titanium alloy. ... | 07/19/2005 |
| 6712875 | Method and apparatus for optimized mixing in a common hearth in plasma furnace A method and apparatus for optimized mixing in a common hearth in a plasma furnace. The apparatus provides a main hearth, a plurality of optional refining hearths, and a plurality of casting molds or direct molds whereby the refining hearths and molds define at leas... | 03/30/2004 |
| 6659165 | Metal casting device and metal casting method using the same In an apparatus for casting a metal comprise a crucible (2), a casting mold (3) and an electrode rod (10) for an arc discharge are provided in an interior portion of a casting chamber (1) capable of controlling a pressure, a supporting shaft (6) exists in... | 12/09/2003 |
| 6561259 | Method of melting titanium and other metals and alloys by plasma arc or electron beam A method for hearthless processing of a solid metallic material consisting essentially of titanium or other metal or alloy thereof which includes providing a solid metal block having a processing surface and a base surface and consisting essentially of ti... | 05/13/2003 |
| 6481088 | Golf club manufacturing method A golf club which has a clubface of desired shape comprising an alloy metal is provided. The golf club has excellent strength properties as well as excellent ball hitting properties. The clubface is free from casting defects such as cold shuts, and prefer... | 11/19/2002 |
| 6446705 | Method and apparatus for manipulating an electrode An apparatus and associated method for manipulating an electrode comprising a stub, an electrode, and a yoke. The stub is affixed to and protrudes from the electrode, and has a first opening. The yoke is sized to receive at least a portion of the stub, an... | 09/10/2002 |
| 6427753 | Process and apparatus for producing metallic glass A process and an apparatus for producing metallic glass which are capable of producing a bulk amorphous alloy of desired shape, in particular, a bulk amorphous alloy of desired final shape are provided. In the present invention, the molten metal at a temp... | 08/06/2002 |
| 6267170 | Manufacturing apparatus and method for amorphous alloy A metal mold is composed of a lower mold having a portion for fusing metal material and a cavity portion, and an upper mold working with the lower mold which presses molten metal in the portion for fusing metal material and pours the molten metal into the... | 07/31/2001 |
| 6006821 | Method and apparatus for melting and pouring specialty metals Specialty metals and alloys are melted in a crucible typically holding no more than about 100 lbs. of the metal and disposed in a furnace the interior of which is filled with a desired, e.g. inert, gas and subjected to a vacuum in the range of about 5% to... | 12/28/1999 |
| 5740854 | Production methods of metallic glasses by a suction casting method This invention provides a glassy metal-suction casting method capable of readily and conveniently producing a large-sized amorphous material with excellent properties as an amorphous material. Such an object of the invention is attained by filling a metal... | 04/21/1998 |
| 5634514 | Kiln for firing and or casting prosthodontic products The firing and/or casting kiln has a containment casing which internally forms a treatment chamber, a part holder which is movably mounted inside the treatment chamber, an opening for access to the treatment chamber, and a conditioning system for producin... | 06/03/1997 |
| 5524705 | Method for casting oxidization-active metal under oxygen-free conditions A method for casting oxidization-active metal under oxygen-free conditions wherein air is discharged from a melting chamber and a casting chamber while maintaining the condition of the melting chamber pressure PR >the casting chamber pressure P... | 06/11/1996 |
| 5513693 | Method for casting low specific gravity metal with ultra-fine features using high differential pressure A method for casting low specific gravity metal with ultra-fine features using high differential pressure wherein a melting chamber volume V1 and a casting chamber volume V2 are defined such that V1 | 05/07/1996 |
| 5311655 | Method of manufacturing titanium-aluminum base alloys The invention is directed to a Titanium-aluminum base alloy articles are produced from pieces of starting materials by melting thereof in a metallic melting crucible having a rotating electrode or a plasma- or electron beam device and there is then accomp... | 05/17/1994 |
| 5287910 | Permanent mold casting of reactive melt Titanium based and nickel based castings are made by casting a suitable melt having a relatively low melt superheat into a mold cavity defined by one or more low carbon steel or titanium mold members where the melt solidifies to form the desired casting. ... | 02/22/1994 |
| 5273101 | Method and apparatus for casting an arc melted metallic material in ingot form A method and apparatus for casting a molten metallic material in ingot form are provided wherein the molten metallic material is transported to the ingot mold and an upper surface temperature and temperature distribution of the molten metal pool in the ca... | 12/28/1993 |
| 5168918 | Casting of dental metals A method for casting dental metals with a casting apparatus including a hermetically sealed casting chamber in which an arc electrode is located above, a crucible made of an electrically conductive material is positioned below the arc electrode, and a mol... | 12/08/1992 |
| 5168917 | Casting of dental metals A method for casting dental metals with a casting apparatus including a melting chamber in which there are located an arc electrode above and a crucible formed of an electrically conductive material positioned below the arc electrode, and a mold chamber d... | 12/08/1992 |
| 5156689 | Near net shape processing of zirconium or hafnium metals and alloys Zirconium or hafnium tubeshells, billets and channel sheets are produced by plasma arc melting the metal to form a liquid metal pool. The pool is poured into a mold to form a near net shape. The near net shape is reduced to final size while maintaining th... | 10/20/1992 |
| 5127468 | Method and assembly for consumable electrode vacuum arc melting A method and electrode assembly for use in consumable electrode arc melting of metals and alloys, particularly titanium and titanium-base alloys. The method includes forming an assembly including an electrode of the metal or alloy to be melted. An elongat... | 07/07/1992 |
| 5029631 | Process for bonding a mixture of substances together A process for bonding a mixture of substances together. The process includes the steps of forming a mixture of substances; heating the mixture of substances until the mixture is molten; pouring the molten mixture of substances into a mold; and forming a m... | 07/09/1991 |
| 4932463 | Use of AC power in arc spray process A method of improving an arc spray process for making metal matrix composite monotapes by providing an AC power supply and individually controlled wire feeds to promote even melting of the wires particularly wires formed of metals and alloys having high t... | 06/12/1990 |
| 4919191 | Molten-metal forming method and apparatus which are bottom-loading, bottom-pouring and bottom-unloading The bottom of a solid metal charge melts to fill a form below the charge. During melting, usually, the metal that enters the form remains continuous with an unused solid part of the charge. After cooling, the formed metal is removed together with the unus... | 04/24/1990 |
| 4919190 | Radioactive waste material melter apparatus An apparatus for preparing metallic radioactive waste material for storage is disclosed. The radioactive waste material is placed in a radiation shielded enclosure. The waste material is then melted with a plasma torch and cast into a plurality of success... | 04/24/1990 |
| 4884625 | Method of the plasma jet remelting of a surface layer of a flat metal work having parallel side edges and apparatus for carrying out the method The method consists in that a flat work in an initial position is oriented horizontally between cooled mold beams. Plasma torches are arranged in line across the parallel side edges so that the anode spots of the extreme torches are confined by said edges... | 12/05/1989 |
| 4856576 | Zirconium-containing coating composition A paint or coating composition which contains only pure Ziroconium containing compounds, and a small amount of NH4 (OH)2 and acid is applied to the vertical walls of a vacuum arc furnace Copper crucible to form a stable, substantiall... | 08/15/1989 |
| 4811782 | Process for the introduction of chemical-metal elements in metal foundings A process for the introduction of metal elements in a plasma-state into metal melts where the additive element is brought to the plasma state and, by means of an inert carrying gas, is caused to spread in the fluid mass of the metal melt. The additive ele... | 03/14/1989 |
| 4794979 | Method for melting metal, particularly scrap, and forming metal billets The process for producing a metal billet or slab which is substantially homogeneous, fine grained and free of freezing or chemical segregation, which comprises fusing the metal, e.g. titanium or a titanium alloy, by an intense heat source, e.g. a plasma t... | 01/03/1989 |