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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6962025 | Metal plasma surface-modified thermal barrier channel A method of modifying a thermal barrier assembly that includes a channel, the method including exposing a surface of a channel to a plasma that includes metal moieties and depositing the metal moieties on the surface of the channel. ... | 11/08/2005 |
| 6814927 | Fabrication method of nanostructured tungsten carbide bulk material A nanostructured tungsten carbide bulk material, sintered from tungsten carbide and metal such as cobalt nano-powders, comprises a tungsten carbide and a metallic binder such as cobalt phases. The tungsten carbide phase has nanostructures comprising a plurality of d... | 11/09/2004 |
| 6740420 | Substrate having a modified native oxide layer for improved electrical conductivity A method for improving the electrical conductivity of a substrate of metal, metal alloy or metal oxide comprising depositing a small or minor amount of metal or metals from Group VIIIA metals (Fe, Ru, Os, Co, Rh, Ir, Ni, Pd, Pt) or from Group IA metals (Cu, Ag, Au) ... | 05/25/2004 |
| 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 |
| 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 |
| 6200689 | Laser shock peened gas turbine engine seal teeth The present invention includes a method of repairing an annular metallic article and the repaired article itself which has an axially extending annular support and a projection generally radially extending therefrom. The projection has an associated opera... | 03/13/2001 |
| 6136385 | Surface reforming method of a metal product A surface reforming method of a metal product, wherein a platinum film is formed on the surface of a metal product by injecting onto that surface a nitrogen ion, a carbon ion and a platinum ion in that order, and then injected onto said platinum film a se... | 10/24/2000 |
| 6094260 | Holographic interferometry for monitoring and controlling laser shock peening A method for quality assurance of a laser shock peening process uses interferometry to form a fringe image from first and second interferograms of unstressed and stressed laser shock peened patches respectively of a workpiece. The fringe image may then be... | 07/25/2000 |
| 6080491 | Substrate for electrophotographic photoconductor and electrophotographic photoconductor using the same A substrate for an electrophotographic photoconductor having an anodic oxidation film on the surface is subjected to two-step sealing treatment in which the substrate is sealing treated with nickel fluoride as a sealing agent, and then with nickel acetate... | 06/27/2000 |
| 5951790 | Method of monitoring and controlling laser shock peening using an in plane deflection test coupon A method for quality assurance of a laser process and more particularly a laser shock peening process that uses a test coupon having a deflection formed by a laser firing. The test coupon is from a metallic strip having opposite first and second sides tha... | 09/14/1999 |
| 5520966 | Corrosion prevention of honeycomb core panel construction using ion beam enhanced deposition A process for increasing the corrosion resistance of honeycomb core panel construction by using an ion beam enhanced deposition. In one aspect of the invention, molybdenum ions are embedded a predetermined depth into the front and back surfaces of a honey... | 05/28/1996 |
| 5389195 | Surface modification by accelerated plasma or ions The present invention is a surface modification process which provides a means of rapidly heating a thin layer of a polymer surface or a thin coating of material on a coated substrate and various surfaces produced by such a process.... | 02/14/1995 |
| 5199999 | Ion implantation in metal alloys A method for ion implantation of relatively high concentrations of alloying elements into a metal target without sputtering the target, in which the target is precoated with a layer of preselected thickness of a light, low sputtering yield element such as... | 04/06/1993 |
| 5176760 | Steel article and method A hard wear-resistant and corrosion- and oxidation-resistant stainless steel article is made by precision machining a work piece of approximately the size and shape of the desired article, then subjecting the resulting cold worked article to ion bombardme... | 01/05/1993 |
| 4968006 | Ion implantation of spherical surfaces An improved method and an apparatus for the ion implantation of spherical surfaces are disclosed. The method includes the provision of a revised fixture by which a plurality of spherical workpieces are presented to a large area ion beam in a way that thei... | 11/06/1990 |
| 4952446 | Ultra-thin semiconductor membranes This invention relates to ultra-thin semiconductor films which can be in the submicron range formed from semiconductor materials such as silicon, germanium and gallium arsenide. The films are formed by creating a thin slightly damaged surface on the polis... | 08/28/1990 |
| 4946735 | Ultra-thin semiconductor membranes This invention relates to ultra-thin semiconductor films which can be in the submicron range formed from semiconductor materials such as silicon, germanium and gallium aresenide. The films are formed by creating a thin slightly damaged surface on the poli... | 08/07/1990 |
| 4915746 | Method of forming high temperature barriers in structural metals to make such metals creep resistant at high homologous temperatures A method of forming internal high temperature barriers in structural metals is provided. The barriers prevent movement of boundaries and dislocations inside the structural metal, and make strutural metals creep resistant at high homologous temperatures. T... | 04/10/1990 |
| 4904094 | Ball-and-roller bearing system A rolling bearing, comprising an inner race, an outer race and rolling members which roll therebetween, at least one of the inner and outer races being subjected to carburizing and heating treatment, is characterized in that: the one race comprises a carb... | 02/27/1990 |
| 4894098 | Process for preparing magnetic layer and magnetic head prepared using the same Ion implantation is conducted in a desired area(s) of the surface of a magnetic layer, and annealing of the layer is carried out to control the composition in that desired area(s). The control of the composition may be facilitated by applying a one-direct... | 01/16/1990 |
| 4891183 | Method of preparing alloy compositions A method of improving the elevated temperature oxidation resistance of non-iron base alloys, especially nickel and cobalt base alloys by the addition of dopants to the oxide scale formed on a broad range of non-iron base alloys such as wrought or cast nic... | 01/02/1990 |
| 4872922 | Method and apparatus for the ion implantation of spherical surfaces A method and an apparatus for the ion implantation of spherical surfaces are disclosed. The method essentially includes the provision of a fixture by which a plurality of spherical workpieces are presented to a large area ion beam in a way that their enti... | 10/10/1989 |
| 4863810 | Corrosion resistant amorphous metallic coatings A method of providing corrosion resistant substrates having an amorphous metallic alloy coating thereon. The method comprises depositing refractory and transition elements, such as Ni, Nb, Ti and Cr, onto the substrate to provide a crystalline metallic la... | 09/05/1989 |
| 4743308 | Corrosion inhibition of metal alloys A metal alloy with a treated surface and the process of effecting the treated surface are disclosed whereby its ion release under static, stress and crevice corrosion and corrosive wear conditions is reduced. The metal alloy preferably is an ASTM F-75 Co-... | 05/10/1988 |
| 4724016 | Ion-implantation of zirconium and its alloys The present invention is directed to a method for increasing the wear and corrosion resistance of zirconium and zirconium alloys by ion implantation. In particular the present invention is directed to the ion implantation of nitrogen and/or carbon for the... | 02/09/1988 |
| 4693760 | Ion implanation of titanium workpieces without surface discoloration A process for preventing surface discoloration in orthopedic implants made of titanium and its alloys is disclosed. Such surface discoloration is apt to occur when the orthopedic implants are ion implanted to improve their wear characteristics. The proces... | 09/15/1987 |
| 4568396 | Wear improvement in titanium alloys by ion implantation A method of making titanium alloy more resistant to sliding wear and fretting fatigue comprising the steps of: implanting carbon ions with at least one energy onto titanium alloy until at least 1×1017 carbon ions/cm2 have fallen onto the... | 02/04/1986 |
| 4352698 | Method of improving the wear resistance of metals A process for improving the wear resistance of metals, comprising the operation of implanting into a metal article the wear resistance of which is to be improved ions of a material which is capable of forming within the article oxide compounds having a pe... | 10/05/1982 |
| 4289544 | Inhibition of fretting corrosion of metals A process for treating a titanium containing artefact to inhibit fretting corrosion, in which an active species having a higher heat of formation of its oxide than titanium is deposited on the artefact in vacuo, and the artefact is then heated sufficientl... | 09/15/1981 |
| 4105443 | Metal-forming dies A method is provided for treating a metal working tool element made of cemented carbide materials, as hereinafter described, comprising the operation of implanting into a working surface of the tool element ions of a material such as to modify the implant... | 08/08/1978 |
| 3988955 | Coated steel product and process of producing the same A coated steel product, namely, a cutting instrument such as a band saw blade, in which the body of the blade is of steel, the tooth tip is of impulse hardened steel and the tip is covered with a coating of titanium carbide or refractory metal carbide, th... | 11/02/1976 |
