Celebrity Inventors
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 |
| 8168922 | Self-shielded flux cored electrode A cored electrode to form a high manganese metal deposition that includes at least about 4 weight percent manganese and at least about 10 weight percent chromium which is useful in joining dissimilar metals and/or for depositing buffer layers on carbon steel and/or ... | 05/01/2012 |
| 8158907 | Weld wire with enhanced slag removal A low alloy or mild steel weld containing a slag-modifying additive selected from the group consisting of antimony, bismuth, germanium and compounds thereof; A weld wire for forming a low alloy or mild steel weld containing a slag-modifying additive selected ... | 04/17/2012 |
| 8119951 | Weld wire with enhanced slag removal A low alloy or mild steel weld containing a slag-modifying additive selected from the group consisting of antimony, bismuth, germanium and compounds thereof; A weld wire for forming a low alloy or mild steel weld containing a slag-modifying additive selected ... | 02/21/2012 |
| 7732733 | Ferritic stainless steel welding wire and manufacturing method thereof The present invention provides a ferritic stainless steel welding wire which allows prevention of wire breaking, fine refining of crystal grains, and increased cracking resistance. A wire rod used essentially consists of, in mass %, 0.03% or less of C, 3% or ... | 06/08/2010 |
| 7303030 | Barrier coated granules for improved hardfacing material A hardfacing composition for a drill bit includes a carbide phase made from carbide particles having a barrier coating disposed thereon, and binder alloy. Also, a drill bit includes a steel bit body having hardfacing thereon and having at least one blade thereon, at... | 12/04/2007 |
| 7241971 | Laser/arc hybrid welding process for ferritic steels A method and an apparatus for a hybrid laser beam and electric arc welding process. A laser beam, an electric arc, a shielding gas and a consumable welding wire are used to create a weld on a steel work piece by melting the welding wire. The weld contains 30 to 1000... | 07/10/2007 |
| 7091448 | Welding electrode and method for reducing manganese in fume A cored electrode for arc welding, said electrode having a core in which the fill material includes a manganese-containing composite particle. ... | 08/15/2006 |
| 7087860 | Straight polarity metal cored wires A core composition of a metal-cored wire comprising a combination of graphite and potassium compounds has been proven to stabilize the arc in a straight polarity welding configuration. In particular, adding a combination of graphite and potassium manganese titanate ... | 08/08/2006 |
| 7026576 | Welding wire and welding method using the wire A welding wire contains 0.025 mass % or less C, 1.3 mass % or less Si, 2.0 mass % or less Mn, 10 to 25 mass % Cr, 0.04 to 0.2 mass % N, Al and Ti in amounts (mass %) satisfying the relationship: e−800(x−0.05)2×e−300(yâˆ... | 04/11/2006 |
| 6989510 | Non-copper-plated solid wire for carbon dioxide gas shielded arc welding A non-copper-plated solid wire for CO2 gas shielded arc welding. The non-copper-plated solid wire for CO2 gas shielded arc welding with excellent feedability ensures a reduced amount of generated spatters when welded at a relatively low current... | 01/24/2006 |
| 6940042 | Flux-cored wire for gas-shielded arc welding A flux-cored wire for gas-shielded arc welding comprises a steel sheath, and a flux filled in the steel sheath. The flux-cored wire has a C content of 0.20% by mass or below, a Si content in the range of 0.06 to 1.10% by mass, a Mn content in the range of 0.55 to 1.... | 09/06/2005 |
| 6933468 | Aluminum metal-core weld wire and method for forming the same An aluminum metal-core weld wire, the sheath being aluminum, the metal-core having a composition that contains primarily metallic alloying powders e.g. Manganese nitride and/or barium. A method for manufacturing aluminum metal-core wire, the method including deposit... | 08/23/2005 |
| 6906286 | Solid wire for arc welding Disclosed is a solid wire for arc welding, including: a flat portion of a wire surface with no copper plating, wherein micro Vickers hardness (Hv) of the flat portion is in the range of 115 to 310 and arithmetical average roughness (Ra) of the flat portion is in the... | 06/14/2005 |
| 6835913 | Hardsurfacing welding wire and process A welding wire comprising a flux core having a core composition alloyed with a combination of alloying elements is described. The alloying elements comprise Cr and N, wherein the flux core comprises between 10% and 50% of the total weight of the weld wire. A metal s... | 12/28/2004 |
| 6833530 | Flux cored wire for gas shielded arc welding Disclosed is a flux cored wire for gas shielded arc welding, which is capable of offering excellent workability and providing a weld metal with an improved impact value at low temperature. The flux cored wire for gas shielded arc welding is characterized in that a t... | 12/21/2004 |
| 6791064 | Arc welding wire of high feeding performance and wire drawing method Disclosed is a wire for arc welding of high feedability having a hardness deviation of less than 18 between a central portion and a surface of a cross section of the wire, and a hardness deviation of less than 15 between each interval of 200 mm in a longitudinal dir... | 09/14/2004 |
| 6787736 | Low carbon high speed metal core wire The present invention is a weld wire comprising a sheath encapsulating a metal core made of powdered metal, wherein a fill percentage of the metal core is no less than approximately 12%. The metal core comprises a core composition alloyed with an alloying element or... | 09/07/2004 |
| 6784402 | Steel wire for MAG welding and MAG welding method using the same A steel wire for MAG welding in DC-electrode negative contains about 0.20% by mass or less of C, about 0.25% to about 2.5% by mass of Si, about 0.45% to about 3.5% by mass of Mn, about 0.005% to about 0.040% by mass of rare-earth elements, about 0.05% by mass or les... | 08/31/2004 |
| 6734395 | Flux-cored wire for stainless steel arc welding A flux-cored wire for stainless steel arc welding having flux filled up in an outer metal sheath made of stainless steel, comprises: as percentage to total weight of the wire, TiO2 5.5 through 10.0 mass %, SiO2 1.5 through 3.0 mass %, Al2 | 05/11/2004 |
| 6707005 | Penetration flux Deep penetration gas tungsten arc welds are achieved using weld penetration containing one or more compounds selected from the group of compounds consisting of a) a titanium oxide, b) nickel oxide, c) a metal silicide, and d) mixtures of these compounds a flux conta... | 03/16/2004 |
| 6649872 | Flux-cored wire for gas shielded arc welding An object of the present invention is to provide a flux-cored wire for gas shielded arc welding, which has merits of both solid wire and flux-cored wire, the merits being high depositing properties and a small amount of slag generated of solid wire and st... | 11/18/2003 |
| 6649870 | System and method facilitating fillet weld performance The present invention provides a welding system and methodology to facilitate an improved fillet weld. The system includes an arc welding subsystem providing a fillet weld that joins one or more members. The arc welding subsystem controls one or more weld... | 11/18/2003 |
| 6608284 | Weld wire with enhanced slag removal A metal core weld wire for producing weld deposits with improved removability of slag islands comprising a steel sheath and a core, a core composition disposed in the core, the core composition including a slag-modifying additive selected from the group c... | 08/19/2003 |
| 6573476 | Flux cored wire for gas-shielded arc welding The flux cored wire comprises, with respect to the total weight of the wire, a Ti and a Ti oxide of 3.0 wt % to 8.0 wt % as calculated in terms of TiO2 content, a Si and a Si oxide of 0.5 wt % to 2.0 wt % as calculated in terms of SiO2 | 06/03/2003 |
| 6559417 | Flux cored wire for arc-welding of austenitic stainless steel The present invention discloses a flux cored wire for arc welding of austenitic stainless steel which can restrain bending and high temperature cracking, and prevent a bead from being drooped. A flux filled in a sheath consisting of 18-8 stainless steel(C... | 05/06/2003 |
| 6521867 | Flux-cored wire for gas-flow-shielded welding A flux-cored wire for welding shielded by a flow of gas, in particular of the rutile or slag-free type, composed of an outer metal sheath and a central core comprising filling elements, and an MAG gas-shielded welding process using such a flux-cored wire ... | 02/18/2003 |
| 6479796 | Flux-cored wire for gas-shielded arc welding of heat resisting steel A flux-cored wire for gas-shielded arc welding of heat-resisting steel in the form of a steel tube filled with a flux, which is characterized in that the content of slag-forming agent is 6.10-9.90 mass % (based on the total mass of the wire), said steel t... | 11/12/2002 |
| 6476356 | Metal cored wire for gas shielded arc welding having excellent zinc primer resistant performance and low temperature impact toughness A flux cored wire for gas-shielded arc welding is disclosed. The flux cored wire is excellent in a zinc resistant primer performance and a low temperature impact toughness and comprises a flux filled in a mild steel sheath. The flux comprises: an oxide of... | 11/05/2002 |
| 6469278 | Hardfacing having coated ceramic particles or coated particles of other hard materials Hardfacing to protect wear surfaces of drill bits and other downhole tools having coated cubic boron nitride particles or coated particles of other ceramic, superabrasive or superhard materials dispersed within and bonded to a matrix deposit. The coating ... | 10/22/2002 |
| 6441334 | Gas shielded arc welding flux cored wire Realized is a welding wire containing flux used for a gas shielded arc welding of a direct current/positive polarity mode, with use of which a quantity of sputter generated is small, a good weldability is realized and a weld metal with an excellent toughn... | 08/27/2002 |
| 6426483 | Electrode and method of making same A welding wire for use in electric arc welding and method of making same, wherein the wire has an effective outer diameter and comprises a length of solid metal formed into a series of distinct segments each having a selected volume and having an indented... | 07/30/2002 |
| 6339209 | Electrode and flux for arc welding stainless steel A flux for use in arc welding of a stainless steel workpiece with a consumable metal electrode, which welding flux comprises a zirconia containing system for forming a slag on the surface of the deposited weld metal. The flux system contains zirconia, sil... | 01/15/2002 |
| 6300596 | Flux-cored wire for gas-flow-shielded welding A flux-cored wire for welding shielded by a flow of gas, in particular of the rutile or slag-free type, composed of an outer metal sheath and a central core comprising filling elements, and an MAG gas-shielded welding process using such a flux-cored wire ... | 10/09/2001 |
| 6124569 | Flux-cored welding wire with a low nitrogen content A flux-cored wire for welding shielded by a flow of gas, in particular of the rutile or slag-free type, composed of an outer metal sheath and a central core comprising filling elements, and an MAG gas-shielded welding process using such a flux-cored wire ... | 09/26/2000 |
| 6103997 | High hardness and wear-resisting flux cored wire A high hardness flux cored wire for welding cold rolled metals is provided. The wire comprises a powdered flux containing a flux core powder wrapped by a low carbon steel sheet. The sheet is formed into a cylindrical structure, which is then extruded and ... | 08/15/2000 |
| 6054675 | Solid wire for mag welding Described is a solid wire for MAG welding which has no copper plating on the wire surface and which has good welding workabilities such as a reduced amount of generated spatters and good arc stability in the MAG welding of steel sheets. A solid wire for M... | 04/25/2000 |
| 5744782 | Advanced consumable electrodes for gas metal arc (GMA) welding of high strength low alloy (HSLA) steels This invention relates to solid, bare, consumable wire electrodes for gas metal arc (GMA) welding of high strength low alloy (HSLA) steels. The electrodes require little or no preheat, interpass and post soak temperature controls. The invention also relat... | 04/28/1998 |
| 5718776 | Steel plate less susceptible to welding distortion and highly bendable by lineal heating, process for producing said steel plate, welding material, and welding method using said welding material In the present invention, a steel product having a specified composition comprising by weight C: 0.02 to 0.25%, Si: 0.01 to 2.0%, Mn: 0.30 to 1.5%, Al: 0.003 to 0.10%, Nb: 0.005 to 0.10%, and Mo: 0.05 to 1.00% with the balance consisting of Fe and unavoid... | 02/17/1998 |
| 5649355 | Welding electrode with flat blade and related method of manufacture A welding electrode for providing a significant improvement in the detrimental tensile residual stress condition on the root side of welds, especially on the inside wall of piping welds. The electrode has a tungsten alloy blade. The blade is made from she... | 07/22/1997 |
| 5635266 | Patterned heat welding rod for seaming resilient flooring Vinyl heat welding rod for seam sealing vinyl resilient flooring, whether in sheet or tile form, are used to obtain a homogeneous, monolithic appearing surface. This rod is specifically made to duplicate the appearance of the flooring material. For a chip... | 06/03/1997 |
