Bizarre Patents
Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
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 |
| 8123872 | Carburization process for stabilizing nickel-based superalloys A process by which a nickel-based superalloy substrate prone to deleterious reactions with an aluminum-rich coating can be stabilized by carburization. The process generally entails processing the surface of the substrate to be substantially free of oxides, heating ... | 02/28/2012 |
| 7967920 | Method and measurement system for the control of an active charge surface in the low pressure carburizing process A method and measurement system for the control of an active charge surface in a low pressure carburizing process can avoid formation of by-products and achieve regular carburized layers. This can be achieved through sampling of outlet gas at a specified time and co... | 06/28/2011 |
| 7550048 | Method of manufacture using heat forming A method of forming metal parts or components from strip stock or roll stock without yielding is accomplished by first placing the part/components into fixtures that hold the stock in a non-yielding position therein. The fixture and metal stock parts are placed in a... | 06/23/2009 |
| 7524382 | Method for substrate stabilization of diffusion aluminide coated nickel-based superalloys An article and method for stabilization of a nickel-based superalloy coated with a diffusion aluminide coating. The region below the aluminide coating is first carburized to form refractory carbides. The article is cleaned and masked as required so that regions that... | 04/28/2009 |
| 7438769 | Process for diffusing titanium and nitride into a material having a coating thereon A method for diffusing titanium and nitride into a base material having a coating thereon using conventional surface treatments or coatings. The method generally includes the steps of providing a base material having a coating thereon; providing a salt bath which in... | 10/21/2008 |
| 7431777 | Composition gradient cermets and reactive heat treatment process for preparing same Cermets, particularly composition gradient cermets can be prepared starting with suitable bulk metal alloys by a reactive heat treatment process involving a reactive environment selected from the group consisting of reactive carbon, reactive nitrogen, reactive boron... | 10/07/2008 |
| 7217327 | Method of producing metal member with enhanced corrosion resistance by salt bath nitriding A metal member is produced with enhanced corrosion resistance by salt bath nitriding. Specifically, in a nitriding salt bath containing Li+, Na+ and K+ ions as cation components and CNO− and CO3−− | 05/15/2007 |
| 7208052 | Method for carburizing steel components A carburizing process for increasing the hardness of a case region of a steel component. In one form the application includes plating the outer surface of a stainless steel component with nickel prior to carburizing. One component includes a stainless steel object h... | 04/24/2007 |
| 7074460 | Method for treating the surface of a part and resulting part A surface treatment method in which a surface of a part (7) is contacted with at least one activated species. The activated species is obtained by activating a gaseous medium containing at least two of the following elements: carbon, nitrogen, boron and oxyge... | 07/11/2006 |
| 6982120 | Hardened steel components and process of treating the same The invention relates to components made of steel, more particularly outer joint parts and inner joint parts of constant velocity joints, and to a process of heat treating such components made of steel. The heat treatment operation includes the process stages of nit... | 01/03/2006 |
| 6969430 | Process and apparatus for producing atmosphere for high productivity carburizing This invention is directed to a process and apparatus for producing high productivity carburizing. A process is introduced that uses a gas mixture made up of CO, H2, CO2, H2O, CH4 and N2, such that the product o... | 11/29/2005 |
| 6964712 | Hardening protection compositions for partial carburization of metallic components Hardening protection compositions based on substances which form boron glass for partial carburization of metallic components, which contain magnesium-silicon compounds as an additive. These hardening protection compositions can be used very advantageously in proces... | 11/15/2005 |
| 6942739 | Reactive heat treatment to form pearlite from an iron containing article The present invention is directed to a process for producing pearlite from an iron containing article comprising the steps of, (a) heating an iron containing article comprising at least 50 wt % iron for a time and at a temperature sufficient to convert at least a po... | 09/13/2005 |
| 6908691 | Metal strip for epitaxial coatings and method for the production thereof The aim of the invention is to provide a metal strip for epitaxial coating with a biaxially textured layer, this metal strip, however, being able to be produced in an uncomplicated manner and having a high tensile strength, low magnetic losses and/or a high electric... | 06/21/2005 |
| 6811507 | Plate-link chain A continuously variable, conical disk transmission including a torque-transmitting member in the form of a plate-link chain or a thrust link band. The chain includes plate links that are interconnected by pairs of rocker members that extend transversely relative to ... | 11/02/2004 |
| 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 |
| 6552280 | Surface-hardened austenitic stainless steel precision weight and process of making same A precision weight (1) has greater permanence of mass due to a hardened surface layer that provides greater wear and scratch resistance as well as greater corrosion resistance. The hardened surface layer is a diffusion layer of increased carbon and/or nit... | 04/22/2003 |
| 6547888 | Modified low temperature case hardening processes An iron-containing workpiece is case hardened by low temperature carburization during which one or more process steps--including adjusting the carburization temperature, adjusting the concentration of carburization specie in the carburization gas and reac... | 04/15/2003 |
| 6379475 | Case hardened dies for improved die life Steel alloys susceptible to case and core hardening comprise 0.05 to 0.24 weight percent carbon; 15 to 28 weight percent cobalt and 1.5 to 9.5 weight percent in nickel, small percentages of one or more additives: chromium, molybdenum, and vanadium; and th... | 04/30/2002 |
| 6338816 | Nitrided niobium powders and niobium electrolytic capacitors A nitrogen containing niobium powder is disclosed as well as electrolytic capacitors formed from the niobium powders. Methods to reduce DC leakage in a niobium anode are also disclosed.... | 01/15/2002 |
| 6287393 | Process for producing carburizing atmospheres An improved process for producing an atmosphere suitable for carburizing steel components by adding a small amount of oxygen to a mixture of natural gas and carbon dioxide, pre-heating the mixture to the desired reaction temperature in the presence of an ... | 09/11/2001 |
| 6168694 | Methods for and products of processing nanostructure nitride, carbonitride and oxycarbonitride electrode power materials by utilizing sol gel technology for supercapacitor applications Metal nitride, carbonitride, and oxycarbonitride powder with high surface area (up to 150 m2 /g) is prepared by using sol-gel process. The metal organic precursor, alkoxides or amides, is synthesized firstly. The metal organic precursor is modi... | 01/02/2001 |
| 6146471 | Spherical plain bearing and method of manufacturing thereof The improved spherical plain bearing of the present invention is formed using a unique method of manufacture which includes surface hardening of the outer ring and the inner ring wherein the outer ring includes a fracture zone having a reduced cross-secti... | 11/14/2000 |
| 6129988 | Gaseous modification of MCrAlY coatings The present invention generally describes methods for modifying MCrAlY coatings by using gaseous carburization, gaseous nitriding or gaseous carbonitriding. The modified MCrAlY coatings are useful in thermal barrier coating systems, which may be used in g... | 10/10/2000 |
| 6117249 | Treating metallic machine parts A method of treating a metallic machine part to increase wear life and to change surface appearance comprising the steps of roughening the surface, thereafter changing its color by case hardening and, subsequently, increasing the lubricity of the case har... | 09/12/2000 |
| 6093303 | Low temperature case hardening processes A method for case hardening a chromium bearing nickel or ferrous based alloy, for example stainless steel, article, the method including the steps of activating the surface of the article; and carburizing the activated surface at a temperature below that ... | 07/25/2000 |
| 6024893 | Method for controlling a nitriding furnace Dissociated ammonia carrier gas used as a reference gas is obtained from an ammonia dissociator which also provides dissociated ammonia carrier gas to a nitriding furnace whereby the source of ammonia supply gas is the same. An oxygen probe is used to reg... | 02/15/2000 |
| 6007763 | Process and installation for preparing a heat treatment atmosphere The invention relates to a process for preparing a heat treatment atmosphere by a catalytic reaction in a catalytic reactor (16) between a first gas mixture (12) containing oxygen and a second gas mixture (26) containing a hydrocarbon, characterized in th... | 12/28/1999 |
| 5916383 | Method of shot peening a hardened metal product with shot having high hardness A method for shot peening a hard metal product that has a hardened surface. The method includes projecting shot on the hardened surface of the hard metal product. The ratio of the Vickers hardness of the shot to that of the hardened surface is 0.8-1.6, an... | 06/29/1999 |
| 5891267 | Thermal barrier coating system and method therefor A thermal barrier coating system and a method for forming the coating system on an article designed for use in a hostile thermal environment, such as superalloy turbine, combustor and augmentor components of a gas turbine engine. The coating system includ... | 04/06/1999 |
| 5873950 | Strengthenable ethylene pyrolysis alloy There is provided a nickel-base alloy with service enhanced strengthening properties. When exposed to ethylene pyrolysis conditions, namely a carbon containing environment and at temperatures of at least about 900° C., the alloy forms M6 C and... | 02/23/1999 |
| 5846340 | Process for preparing a heat treatment atmosphere and method for regulating said process Process for the preparation of a heat treatment atmosphere by a catalytic reaction in a catalytic reactor including an inlet and an outlet between a first gas mixture comprising oxygen and a second gas mixture comprising a hydrocarbon for the purpose of s... | 12/08/1998 |
| 5830284 | Method and device for the heat treatment of workpieces The present invention involves a method and a device for the heat treatment of workpieces, which are heated with radiant heat generated through the combustion of gaseous fuel. Some of the workpieces are subjected to a carburisation atmosphere formed by a ... | 11/03/1998 |
| 5792282 | Method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby A method of carburizing austenitic stainless steel comprising the steps of holding austenitic stainless steel in a fluorine- or fluoride-containing gas atmosphere with heating prior to carburizing and carburizing the austenitic stainless steel at a temper... | 08/11/1998 |
| 5735970 | Apparatus and process for the production of a neutral atmosphere The process and system according to the present invention are used for the production of an atmosphere. The process involves feeding an impure nitrogen stream, combined with a hydrocarbon to a catalytic reactor having a non-noble metal catalyst to produce... | 04/07/1998 |
| 5729822 | Gears A powder metal gear wheel having a core density of at least 7.3 g/cc, and in one embodiment 7.4 to 7.6 g/cc and a hardened carburized surface. A method of manufacturing transmission gears comprises, sintering a powder metal blank to produce a core density... | 03/17/1998 |
| 5694639 | Titanium based carbonitride alloy with binder phase enrichment A sintered body of titanium based carbonitride alloy containing hard constituents based on, in addition to titanium, one or more of the metals Zr, Hf, V, Nb, Ta, Cr, No or W in 5-30% binder phase based on Co and/or Ni is disclosed. The body has a binder p... | 12/02/1997 |
| 5676769 | Gas carburizing process and an apparatus therefor A treating material W pre-heated to a carburizing temperature of 750°-950° C. is heat-treated in a carburizing atmosphere directly supplied with hydrocarbon and oxidizing gases and heated to 1000°-1100° C. Then, the treating material W is forcibly ... | 10/14/1997 |
| 5641921 | Low temperature, low pressure, ductile, bonded cermet for enhanced abrasion and erosion performance This invention is directed toward a material which is used to coat or create a surface for machine cutting tools, all types of drill bit teeth, saw teeth, bearing surfaces valve seats, nozzles and the like, thereby producing surfaces which are highly abra... | 06/24/1997 |
| 5595613 | Steel for gear, gear superior in strength of tooth surface and method for producing same A steel for gears consists essentially of 0.10-0.30 wt % of C, not more than 1.0 wt % of Si, not more than 1.0 wt % of Mn, 1.50-5.0 wt % of Cr, and balance including iron and impurity. A gear made by the steel forms a hardened surface layer by carbonizing... | 01/21/1997 |
