Patent application number | Description | Published |
20100305503 | OPTICALLY GUIDED FEEDING TUBE, CATHETERS AND ASSOCIATED METHODS - The present invention provides devices and methods for safe, easy and cost effective means of placing and verifying proper placement of nasogastric and nasoenteric feeding tubes. Specifically, an integrated feeding device including a tube operable to deliver a nutritional and/or medicinal substance to the gastrointestinal tract, an optical system including a light source, flexible optical fibers or a camera, and a lens, and a steering system is disclosed. The components of the system, namely the optical system and the steering system, may be integrated into the tube. | 12-02-2010 |
20140039253 | Optically Guided Feeding Tube, Catheters and Associated Methods - The present invention provides devices and methods for safe, easy and cost effective means of placing and verifying proper placement of nasogastric and nasoenteric feeding tubes. Specifically, an integrated feeding device including a tube operable to deliver a nutritional and/or medicinal substance to the gastrointestinal tract, an optical system including a light source, flexible optical fibers or a camera, and a lens, and a steering system is disclosed. The components of the system, namely the optical system and the steering system, may be integrated into the tube. | 02-06-2014 |
Patent application number | Description | Published |
20090218146 | Polycrystalline Abrasive Composite Cutter - A polycrystalline abrasive composite cutter, including a tool body with a top cutting surface and a flank surface. The composite cutter, joined to a substrate, constitute a shear cutter for a PDC bit, roller-cone bit insert, or other tool that can be highly useful for petroleum drilling or other applications. The body of the polycrystalline abrasive composite cutter includes a plurality of polycrystalline abrasive layers ( | 09-03-2009 |
20110091352 | LIGHT METAL SOLID SOLUTION ALLOYS FOR HYDROGEN STORAGE - A light metal solid solution alloy for reversible hydrogen storage can include a light metal solid solution alloy of M | 04-21-2011 |
20110116963 | FUNCTIONALLY GRADED CEMENTED TUNGSTEN CARBIDE WITH ENGINEERED HARD SURFACE AND THE METHOD FOR MAKING THE SAME - A method of preparing a functionally graded cemented tungsten carbide material via heat treating a sintered cemented tungsten carbide is disclosed and described. The heat treating process comprises at least a step that heats the sintered material to the multi-phase non-equilibrium temperature range in which multiple phases including solid tungsten carbide, liquid metal binder, and solid metal binder coexist. Additionally, the material, after the heat treating process comprises a surface layer with lower metal binder content than the nominal value of metal binder content of the bulk of the material. | 05-19-2011 |
20120325565 | THERMALLY STABLE POLYCRYSTALLINE DIAMOND - The present disclosure provides compositions and methods directed to polycrystalline diamond materials. In one embodiment, a polycrystalline diamond material can comprise sintered polycrystalline diamond and a binder alloy, where the binder alloy is a liquid at a sintering temperature of the polycrystalline diamond, forms an intermetallic compound at a low temperature below the sintering temperature, and is substantially all intermetallic phase. | 12-27-2012 |
20130118308 | FUNCTIONALLY GRADED CEMENTED TUNGSTEN CARBIDE WITH ENGINEERED HARD SURFACE AND THE METHOD FOR MAKING THE SAME - A functionally graded cemented tungsten carbide material produced via heat treating a sintered cemented tungsten carbide is disclosed and described. The heat treating process comprises at least a step that heats the sintered material to the multi-phase temperature range in which multiple phases including solid tungsten carbide, liquid metal binder, and solid metal binder coexist. Additionally, the material, after the heat treating process comprises a surface layer with lower metal binder content than the nominal value of metal binder content of the bulk of the material. The material is used to make tools for rock drilling, machining of metal alloys, and machining of non-metallic materials. The material can also be used to make engineered wear parts that are used in mechanical systems and applications where wear resistance is required or desired. | 05-16-2013 |
Patent application number | Description | Published |
20080226532 | LIGHT METAL BASED MATERIAL SYSTEM FOR HYDROGEN STORAGE - The invention provides methods, compositions, and systems for a reversible hydrogen storage material. The hydrogen storage material contains a lithium-magnesium compound, having LiMgN in a dehydrogenated state and a hydrogenated lithium magnesium product in a hydrogenated state, where the hydrogenated and dehydrogenated states are reversible. The lithium-magnesium compound is formed by reacting MgH | 09-18-2008 |
20090311171 | Hydrogen Storage in a Combined MxAlH6/M'y(NH2)z System and Methods of Making and Using the Same - As a promising clean fuel for vehicles, hydrogen can be used for propulsion, either directly or in fuel cells. Hydrogen storage compositions having high storage capacity, good dehydrogenation kinetics, and hydrogen release and uptake reactions which are reversible are disclosed and described. Generally a hydrogen storage composition of a metal aluminum hexahydride and a metal amide can be used. A combined system (Li | 12-17-2009 |
20100035746 | Methods for Making Carbide-Metal Nanocomposite Powders - This chemical vapor synthesis process was designed so that a metal carbide precursor and a secondary metal precursor are separately or together fed into each evaporator in a reactor by specially designed precursor feeders, either simultaneously or sequentially. The reduction and carburization of the vaporized precursors by gaseous mixtures produces carbide-metal nanocomposite powders. The product can be a very uniform mixture of the constituent powders or a uniform agglomerate, which is important to ensure a high quality of bulk cemented metal carbide product after consolidation and sintering. These nanocomposite powders can be readily characterized using XRD, carbon analyzer and TEM. | 02-11-2010 |
20100101368 | FUNCTIONALLY GRADED CEMENTED TUNGSTEN CARBIDE WITH ENGINEERED HARD SURFACE AND THE METHOD FOR MAKING THE SAME - A method for manufacturing functionally graded cemented tungsten carbide with hard and wear-resistant surface and tough core is described. The said functionally graded cemented tungsten carbide (WC—Co) has a surface layer having a reduced amount of cobalt. Such a hard surface and tough core structure is an example of functionally graded materials in which mechanical properties are optimized by the unique combination of wear-resistance and toughness. WC—Co with reduced-cobalt surface layer may be fabricated through a carburization heat treatment process following conventional liquid phase sintering. The graded WC—Co thus obtained contains no brittle η phase. | 04-29-2010 |
20100323253 | Systems and Methods for Hydrogen Storage and Generation from Water Using Lithium Based Materials - A process for forming lithium hydride for use in storing and producing hydrogen is presented. The process includes reacting lithium oxide with water to form a regenerated lithium hydroxide and reacting the regenerated lithium hydroxide with magnesium to form magnesium oxide and a regenerated lithium hydride. The magnesium oxide can be regenerated to form magnesium. The process can further include reacting lithium hydride to form hydrogen and lithium oxide. Such hydrogen production can include reaction between lithium hydride and lithium hydroxide, and/or reaction between lithium hydride and water. | 12-23-2010 |
20110094629 | PROCESSES FOR IN-SITU COATING OF METALS - Processes for coating metal surfaces are disclosed and described. Applying a metal powder ( | 04-28-2011 |
20120324801 | THERMALLY STABLE POLYCRYSTALLINE DIAMOND - The present disclosure provides compositions and methods directed to polycrystalline diamond materials. In one embodiment, a polycrystalline diamond material can comprise sintered polycrystalline diamond and a binder alloy, where the binder alloy is a liquid at a sintering temperature of the polycrystalline diamond, forms an intermetallic compound at a low temperature below the sintering temperature, and is substantially all intermetallic phase. | 12-27-2012 |
20140255240 | POWDER METALLURGY METHODS FOR THE PRODUCTION OF FINE AND ULTRAFINE GRAIN TI AND TI ALLOYS - A process includes sintering hydrogenated titanium or titanium hydride (TiH | 09-11-2014 |
20150176103 | PRODUCTION OF TITANIUM DIOXIDE PIGMENTS - A process includes roasting a TiO | 06-25-2015 |