Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7229675 | Protective coating method for pieces made of heat resistant alloys The invention relates to metallurgy and mechanical engineering, in particular to the development of methods for providing metallic pieces with protective coatings with a view to improving the performance characteristics thereof. In accordance with the inventive meth... | 06/12/2007 |
| 7064491 | Ion implantation system and control method Ion implantation with high brightness, ion beam by ionizing gas or vapor, e.g. of dimers, or decaborane, by direct electron impact ionization adjacent the outlet aperture (46, 176) of the ionization chamber (80; 175)). Preferably: conditions are mainta... | 06/20/2006 |
| 6933509 | Apparatus and method using fractionated irradiation to harden metal The present invention provides an apparatus for hardening a metal article, comprising a holding device, an energy beam generator pointed at the holding device for directing energy beams at the holding device, and a cycling system supporting the holding device, where... | 08/23/2005 |
| 6592683 | Ti alloy surface treatment Ti alloy is embedded in a powder such as graphite and heated with the powder in an oxygen atmosphere. Oxygen atoms are diffused into the Ti alloy to form an oxygen diffusion layer of Ti--O solid solution, thereby increasing wear resistance of the valve. A... | 07/15/2003 |
| 6503340 | Method for producing chromium carbide coatings A method for producing chromium carbide coatings on steel provides a steel component having a surface which is carburized to contain at least about 0.40% by weight carbon and is followed by chromizing the surface to form a chromium carbide coating on the ... | 01/07/2003 |
| 6458218 | Deposition and thermal diffusion of borides and carbides of refractory metals A method is provided for depositing and thermally diffusing a boride or a carbide of a refractory metal on a substrate of a workpiece. A layer of the refractory metal is deposited on the substrate. At least one of the elements boron and carbon is deposite... | 10/01/2002 |
| 6348145 | Chromized refractory steel, a process for its production and its uses in anti-coking applications Coated steel articles are described which exhibit anti-coking properties, and a process for producing such articles by depositing an anti-coking coating on a matrix constituted by a steel, in general a refractory steel. These articles comprise: a refracto... | 02/19/2002 |
| 6314764 | Method of manufacturing a 1-inch diameter glass substrate for a magnetic disk A method of manufacturing a 1-inch diameter glass substrate for a magnetic disc in which a plate glass is press molded using a mold formed of a super-hard material and having a surface of a prescribed roughness. Ion implantation using nitrogen ions is per... | 11/13/2001 |
| 6314763 | Method of manufacturing a 2-5 inch diameter glass substrate for a magnetic disk A method of manufacturing a 2-5 inch diameter glass substrate for a magnetic disc in which a plate glass is press molded using a mold formed of a super-hard material and having a surface of a prescribed roughness. Ion implantation using nitrogen ions is p... | 11/13/2001 |
| 5807441 | Method of manufacturing a silicon steel sheet having improved magnetic characteristics A method of effectively manufacturing silicon steel sheets with highly accumulated {100} orientations having excellent magnetic characteristics by a single tight-coil annealing or multi-layer annealing. The method can be widely used in the manufacture of ... | 09/15/1998 |
| 5798002 | Method of and device for producing carbide and carbon solid solution containing surface layers In order to produce a carbon solid solution or carbide-containing surface layer on a substrate, the substrate is immersed into a cold bath of liquid active medium, and heated inside the liquid active medium by heating means immersed in the liquid active m... | 08/25/1998 |
| 5635243 | Method of coating an organic substrate Energy, such as from one or more lasers, is directed at the surface of a substrate to mobilize and vaporize a constituent element (e.g., carbide) within the substrate (e.g., steel). The vaporized constituent element is reacted by the energy to alter its p... | 06/03/1997 |
| 5554415 | Substrate coating techniques, including fabricating materials on a surface of a substrate Energy, such as from one or more lasers, is directed at the surface of a substrate to mobilize and vaporize a constituent element (e.g., carbide) within the substrate (e.g., steel). The vaporized constituent element is reacted by the energy to alter its p... | 09/10/1996 |
| 5549973 | Metal, alloy, or metal carbide nanoparticles and a process for forming same A metal or alloy nanoparticle is provided which exhibits hysteresis at room temperature having a carbon coating. The nanoparticle has a diameter in the range of approximately 0.5 to 50 nm, and may crystalline or amorphous. The metal, alloy, or metal carbi... | 08/27/1996 |
| 5456986 | Magnetic metal or metal carbide nanoparticles and a process for forming same A magnetic metal or metal carbide nanoparticle is provided having a carbon coating. The nanoparticle has a diameter in the range of approximately 5 to 60 nm, and may be crystalline or amorphous. The magnetic metal or metal carbide nanoparticle is formed b... | 10/10/1995 |
| 5401339 | Atmospheres for decarburize annealing steels A process for producing low-cost atmospheres suitable for decarburize annealing carbon steels from non-cryogenically generated nitrogen containing up to 1.54 residual oxygen by catalytically deoxygenating a non-cryogenically generated nitrogen stream at l... | 03/28/1995 |
| 5395461 | Method of producing titanium material resistant to hydrogen absorption in aqueous hydrogen sulfide solution A method of producing a titanium material having enhanced resistance to hydrogen absorption in aqueous hydrogen sulfide solutions which comprises removing a layer of at least 0.5 μm depth from the surface of a titanium material that has been annealed aft... | 03/07/1995 |
| 5234721 | Method for forming carbide coating on various metals and their alloys A method for forming a carbide coating of Group IVA, VA and VIA transition metals and their alloys. The metal to be coated is heated in a bath of molten alkali or alkaline earth metal containing carbon. There is also provided a method for preparing a meta... | 08/10/1993 |
| 5194291 | Corona discharge treatment Corona discharge treatment apparatus for treating or coating a surface of a conductive substrate includes a high voltage radio frequency power supply and a cable having a number of flexible conductors and other components. The cable has a first end connec... | 03/16/1993 |
| 5167943 | Titanium nitride coated silicon carbide materials with an interlayer resistant to carbon-diffusivity Finely divided silicon carbide materials, particularly powders, whiskers and short fibers, are provided with a titanium nitride surface coating by the process of (i) placing a low carbon diffusivity layer atop the silicon carbon, (ii) placing a titanium m... | 12/01/1992 |
| 5161306 | Roll for use in heat treating furnace and method of producing the same In order to prevent production of build-up resistance and wear resistance on a roll for use in heat treating furnace effectively, an alloy layer, a cermet sprayed layer having reinforced zone and a chemical conversion coating are provide in this order on ... | 11/10/1992 |
| 5004489 | Process for producing a glass-metal connection The invention concerns glass-metal sealing comprising effecting on a metallic piece, in particular an alloy based on iron and nickel or iron, nickel and cobalt, first of all a decarburization under an atmosphere, at a temperature of between 950° C. and 1... | 04/02/1991 |
| 4935073 | Process for applying coatings of zirconium and/or titantuim and a less noble metal to metal substrates and for converting the zirconium and/or titanium to an oxide, nitride, carbide, boride or silicide Protective coatings are applied to substrate metals by coating the metal surface, e.g. by dipping the substrate metal in a molten alloy of the coating metals, and then exposing the coating at an elevated temperature to an atmosphere containing a reactive ... | 06/19/1990 |
| 4885043 | Method for selective decarburization of iron based material A method for the selective decarburization of an iron based substrate, such as a silicon iron substrate, wherein the carbon present in the substrate is extracted by the selective deposition of a titanium nitride layer or film on the substrate.... | 12/05/1989 |
| 4844949 | Method of surface treatment and apparatus used therefor A method of forming a surface layer of carbide, nitride, carbonitride, or solid-solution on the surface of a material to be treated, which comprises disposing in a fluidized bed furnace a treating agent comprising a powder of a refractory material, and a ... | 07/04/1989 |
| 4778540 | Method for surface treatment and treating material therefor A method and a bath agent for forming a carbide or diffusion layer on the surface of an article to be treated by immersing the article in a molten salt bath. The salt bath comprises borax, at least one oxide of a surface layer forming element (SFE) select... | 10/18/1988 |
| 4618505 | Method of making adherent score-resistant coating for metals A bearing element having an adherent score-resistant coating on its surface comprising a carbonized layer of an organic resin in which the layer is carbonized by ion implantation. The ion implantation is controlled to not only provide graphite-like and di... | 10/21/1986 |
| 4608098 | Coated product and process Improved adherence of oxide wear layers on hard metal or cemented carbide substrates is attained by providing a thin surface-oxidized bonding layer comprising a carbide or oxycarbide of at least one of tantalum, niobium or vanadium, optionally adding alum... | 08/26/1986 |
| 4568393 | Carburized high chrome liner A hard corrosion resistant surface is provided on a ferrous substrate by first overlay welding onto the substrate surface a chromium containing ferrous material. The deposited overlay can then be machined. It is thereafter subjected to a carburization tre... | 02/04/1986 |
| 4513977 | Steel floating seal with remelted deposit-alloyed wear surfaces A floating seal provided at its seal face with a hardened portion, in which the body of the floating seal is made of steel, and in which the sealing member is provided at its seal face with a deposit-alloyed surface obtained by surface remelting.... | 04/30/1985 |
| 4453987 | Method for producing edged tools A method for producing an edged tool which has an excellent cutting ability and durability, which comprises immersing an edged-tool material in a molten-salt bath containing a carbide-forming element, such as a Va Group element, titanium, chromium or mang... | 06/12/1984 |
| 4450017 | Gaseous decarburizing mixtures of hydrogen, carbon dioxide and a carrier gas A process for decarburizing ferrous metals and in particular electrical steels such as motor and transformer laminations wherein metal articles are treated at temperature under a furnace atmosphere generated by injecting N2 --CO2 --H... | 05/22/1984 |
| 4447274 | Conductor powders Nickel powders having an improved chemical stability are formed by reaction with an electroconductive coating such as a carbide, a silicide, or the like and, also, a reaction with sulfur.... | 05/08/1984 |
| 4442169 | Multiple coated cutting tool and method for producing same An article of manufacture adapted for use as a cutting tool is provided with an aluminum oxide coated substrate having layers of TiN and/or TiC deposited thereon, whereby the beneficial characteristics of the TiN, TiC and Al2 O3 coat... | 04/10/1984 |
| 4435227 | Method of treating steel surfaces to prevent wear, and coating obtained thereby An object of the present invention is a method for the anti-wear treatment of the surface of steel parts having a carbon content of at least 0.15% and the coating obtained thereby. The method is characterized by the fact that an addition of sulfur, by dep... | 03/06/1984 |
| 4402764 | Method for producing abrasion and erosion resistant articles Erosion and abrasion resistant refractory metal carbide articles are provided having multiphase alloy of borides including titanium boride, binder metal boride, and titanium-binder metal-refractory metal borides by diffusion of titanium initially to conve... | 09/06/1983 |
| 4400224 | Method for forming a carbide layer on the surface of a ferrous alloy article or a cemented carbide article A method for forming a carbide layer on the surface of a carbon-containing ferrous alloy article or a cemented carbide article in a molten treating bath. The bath is prepared by introducing 5 to 20% by weight of alumina into molten boric acid or borate ba... | 08/23/1983 |
| 4389439 | Erosion resistant tubular apparatus for handling slurries Tubing, pump cylinders and tank vessels, and similar tubular apparatus for containing and conveying from a supply thereof a highly erosive composition slurry comprising fine particulates in a liquid medium and free of gross particulates along a predetermi... | 06/21/1983 |
| 4285742 | Heat treatment method In order to decarburize ferrous metal without recourse to an exothermic generator, an inert gas (typically nitrogen), water and a liquid or vaporous compound of carbon, hydrogen and oxygen (typically methanol) are admitted to a working chamber of the heat... | 08/25/1981 |
| 4250208 | Method for forming a two-layered carbide surface on a ferrous-alloy article and resulting product A method for forming a two-layered carbide surface on a ferrous-alloy article containing at least 0.2 percent by weight of carbon. The formation of such a surface is effected by plating the ferrous alloy article with chromium, to form a chromium layer the... | 02/10/1981 |
