Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8163435 | Porous body and production method A porous body which has a density of from 40 to 70%, is formed from an Fe-based alloy and contains from 0.01 to 2% by weight of mixed oxide with at least one oxidic compound of one or more metals from the group consisting of Y, Sc, rare earth metals and at least one... | 04/24/2012 |
| 8071015 | Process for producing porous metal body Disclosed is a process of producing a porous metal body containing a metal component which is likely to be oxidized, by which process the amounts of residual carbon and residual oxygen therein are decreased, and by which the performance of the product porous body ca... | 12/06/2011 |
| 8039175 | Method for shrinkage and porosity control during sintering of multilayer structures The present invention provides a method for producing a multilayer structure, comprising the steps of: providing a composition comprising a Fe—Cr alloy powder and at least one of the oxides of Fe, Cr, Ni, Co, Zn, Cu; forming a first layer of said composition; form... | 10/18/2011 |
| 8025838 | Process for producing sintered porous materials The invention provides a process of making porous structures or materials, including the colloidal processing (e.g. slip casting, pressure casting, tape casting or electrophoretic deposition) of solid particle emulsions to form a green body that can be directly sint... | 09/27/2011 |
| 7883661 | Method for forming porous metal implants A method for providing a porous metal implant. A mixture of a biocompatible metal, a spacing agent, and a binder is provided. The mixture is formed into a shaped the spacing agent is removed to form a plurality of pores in the implant. A shaped porous metal implant ... | 02/08/2011 |
| 7871561 | Artificial bone and method for producing the same An artificial bone which is excellent in the ability to form bone in a living body, reliably thereof, and has high mechanical strength. The process comprises the steps of: mixing granules, composed of a titanium or a titanium alloy powder and an organic binder, with... | 01/18/2011 |
| 7754140 | Method and device for producing dimensionally accurate foam A method for producing dimensionally accurate metal foam from a foamable, powder metallurgically produced metal semifinished product having a melting point >200° C. involving: the introduction of material, which is capable of foaming above 200 ° C., into a mold wh... | 07/13/2010 |
| 7740795 | Porous metallic scaffold for tissue ingrowth The invention relates to implantable medical devices, particularly, to porous structures for such devices. In one aspect, the invention provides a porous metal scaffold comprising a porous metal network having pores defined by metal webs, the metal webs covered with... | 06/22/2010 |
| 7713466 | Valve acting metal sintered body, production method therefor and solid electrolytic capacitor The invention provides a valve-acting metal sintered body for anode of a solid electrolytic capacitor, having a high capacitance, well impregnated with cathode material, and exhibiting excellent properties particularly when having a large volume, a capacitor having ... | 05/11/2010 |
| 7674426 | Porous metal articles having a predetermined pore character A porous metal article having a predetermined pore structure. The porosity is provided by the use of an extractable particulate in a powder forming route to create a desired porosity. Extraction of the pore forming particulate prior to sintering of the powder minimi... | 03/09/2010 |
| 7651657 | Manufacturing of controlled porosity metallic tools A process for making a metal tool having controlled porosity is disclosed. The process includes the step of preparing metal powder by gas atomization. The metal powder is filled into a metal container. The powder-filled container is placed in a metal vessel and surr... | 01/26/2010 |
| 7635447 | Method and apparatus for forming porous metal implants A method for providing a porous metal implant. A mixture of a biocompatible metal, a spacing agent, and a binder is provided. The mixture is formed into a shaped the spacing agent is removed to form a plurality of pores in the implant. A shaped porous metal implant ... | 12/22/2009 |
| 7601295 | Filter, liquid discharge head utilizing the same, and producing method therefor A filter is formed by a sintered non-woven metal fiber cloth adapted to be installed in a liquid passage, and, in the filter, a substance sticking to the surface of metal fibers which is present in the outermost part of the filter and in the vicinity thereof is remo... | 10/13/2009 |
| 7597840 | Production of amorphous metallic foam by powder consolidation The formation of amorphous porous bodies and in particular to a method of manufacturing such bodies from amorphous particulate materials. The method allows for the control of the volume fraction as well as the spatial and size distribution of gas-formed pores by con... | 10/06/2009 |
| 7485256 | Method of forming sintered valve metal material Methods of forming sintered valve metal are described. The methods involve sintering a valve metal such as tantalum or niobium in the presence of an iodine source. The method optionally includes deoxidizing the metal using the same equipment used in sintering and/or... | 02/03/2009 |
| 7481969 | Powdered metal magnetic filter and method for manufacturing same The present invention provides a fluid filter comprising a magnetic substrate configured to allow passage of fluid therethrough, with the substrate manufactured from sintered powdered metal. Preferably, the filter has a porosity of at least 10%, and a magnetic flux ... | 01/27/2009 |
| 7481968 | Method for preparing a sintered porous body of metal or ceramic A novel method is disclosed for the preparation of a sintered porous body of a metallic or ceramic powder having a closed cell texture and a porosity as high as 95% or higher. The method comprises the steps of: preparing a foamable aqueous slurried composition conta... | 01/27/2009 |
| 7431987 | Core-shell particles having non-polar outer surface and methods for producing a three-dimensional object from the particles The invention relates to particles for producing a three-dimensional object by using layer-building methods (powder-based generative rapid prototyping methods), to methods for producing a three-dimensional object therefrom, and to an object that can be produced by u... | 10/07/2008 |
| 7422784 | Silicon carbide based porous material and method for preparation thereof, and honeycomb structure A silicon carbide based porous material (1) containing silicon carbide particles (2) as an aggregate and metallic silicon (3) as a bonding material and having a number of pores (5) formed by them, characterized in that it has an oxide pha... | 09/09/2008 |
| 7402277 | Method of forming metal foams by cold spray technique The present invention relates to a method of forming metallic foams using cold spray processing. The method allows for the formation of metallic foams on existing substrates as a layer. The method includes the steps of providing a substrate for coating of a metallic... | 07/22/2008 |
| 7384252 | Method for producing tire vulcanizing mold and tire vulcanizing mold A 3-D solid model of a tire vulcanizing mold is constructed on CAD, lamination models the optimum value of the pitch of which is determined in consideration of molding accuracy and processing time are created by dividing this model in a predetermined lamination dire... | 06/10/2008 |
| 7381367 | Aluminum electrolytic capacitor having an anode having a uniform array of micron-sized pores A method for making an aluminum foil anode for an aluminum electrolytic capacitor. This invention also relates to an aluminum anode foil for use in an electrolytic capacitor as well as an aluminum electrolytic capacitor having increased capacitance and substantially... | 06/03/2008 |
| 7374717 | Method for producing intermetallic compound porous material The present invention provides a method for efficiently producing an intermetallic compound porous material. Specifically, the invention provides a porous material production method comprising molding a mixed powder of at least two inorganic powders and performing a... | 05/20/2008 |
| 7360309 | Method of manufacturing microchannel heat exchangers A heat exchanger device includes an extruded body that includes one or more layers of channels for coolant flow therethrough, the channels generally having inner diameters of between about 50 microns to about 2000 microns. The device is formed of a material having a... | 04/22/2008 |
| 7361300 | Method of making extended area filter Methods are provided for making a porous filter that is useful in polymer melt spinning. The methods include pressing particles, such as a metal powder, to form a filter having a filter body integrally formed with a top cap and a bottom cap. The filter body and caps... | 04/22/2008 |
| 7351371 | Method for the production of near net-shaped metallic and/or ceramic parts A porous near-net-shape metallic parts with an open porosity of at least 10% by volume is made by first forming an injectable mass of a metallic powder of stainless steel, Ti, NiTi, or a titanium alloy, at least one thermoplastic binder, and at least one place holde... | 04/01/2008 |
| 7347967 | Plastic system and method of porous bioimplant having a unified connector The present invention relates to a system and a method of manufacturing a porous bio-implant having a connecting member integrally formed therewith, and more particularly, to a system and a method of manufacturing a porous bio-implant in which a connecting member is... | 03/25/2008 |
| 7334630 | Closed-loop microchannel cooling system Apparatus and methods according to the present invention utilize micropumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as well as the associated r... | 02/26/2008 |
| 7335434 | Fuel cell separator assembly with diffusion layer, manufacturing method therefor, fuel cell unit, and fuel cell stack A separator assembly for a fuel cell stack includes a diffusion layer including a porous metal body for diffusing and supplying fuel or oxidizer to an electrode of the fuel cell stack, and a separator including a metal plate which is disposed adjacent to the diffusi... | 02/26/2008 |
| 7332123 | Method for manufacturing composite articles and the articles obtained therefrom A method of molding an article comprises inserting a mandrel into the cavity of the mold; placing a niobium based refractory metal intermetallic composite powder into a cavity of a mold; consolidating the niobium based refractory metal intermetallic composite around... | 02/19/2008 |
| 7332537 | Three dimensional printing material system and method The present invention is directed to a 3DP™ material composition and method of use. The composition of the present invention includes an adhesive material, a fibrous component and a filler. Alternatively, the composition may include a particulate material having a... | 02/19/2008 |
| 7329381 | Method for fabricating a metallic article without any melting A metallic article made of metallic constituent elements is fabricated from a mixture of nonmetallic precursor compounds of the metallic constituent elements. The mixture of nonmetallic precursor compounds is chemically reduced to produce an initial metallic materia... | 02/12/2008 |
| 7328831 | Method of making a brazed metal article and the article formed thereby A method of making an article that is comprised of a metal foam in contact with a base metal by an intermediate braze composition, in particular, a method of brazing a metal foam to a base metal via a braze composition. In one preferred method, a polymeric foam is c... | 02/12/2008 |
| 7322267 | Enhanced light weight armor system with reactive properties A light-weight armor system for retrofitting onto light vehicles, such as HMMWVs, trucks, or helicopters, or incorporating into a vehicle to protect against HEAT or high explosive warheads. The armor system comprises multiple layers of a thin metal film. The front s... | 01/29/2008 |
| 7312985 | Cooler of notebook personal computer and fabrication method thereof Disclosed is a cooler of a notebook personal computer allowing more much heat to be rapidly discharged to the outside. The cooler includes: a heat absorbing part fan for absorbing heat generated from a heat generation device of the notebook personal computer; a cool... | 12/25/2007 |
| 7306642 | High CTE reaction-bonded ceramic membrane supports A porous ceramic support for a gas separation membrane formed by sintering a green body containing grains of a refractory ceramic oxide with a high coefficient of thermal expansion and grains of a reactive binder precursor. Upon sintering, the reactive binder precur... | 12/11/2007 |
| 7306753 | Method of making a thin porous layer The aim of the invention is to produce a thin porous layer, with a defined porosity and also, a high strength. Said aim is achieved, whereby such a layer with open porosity is produced from a mixture, comprising a sinterable powder with a predetermined powder partic... | 12/11/2007 |
| 7303724 | Composite metallic materials and structures and methods of making the same A composite material and method of making the same are disclosed. An example method for fabricating a composite material forms a core layer between opposing outer layers. The core layer includes a mixture of at least one metallic powder and at least one expanding ag... | 12/04/2007 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7303143 | Wick assembly A wick assembly is provided for use in a dispensing device that dispenses volatile material from a wick by heat. Two wick sections of differing material are provided in stacked fashion, with a coupler sleeve that can be used to facilitate attachment of the wick stru... | 12/04/2007 |
