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.
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 |
| 7697263 | High-temperature dielectric materials and capacitors made therefrom A ceramic dielectric composition suitable for preparing capacitors for use in high-temperature service conditions is disclosed. The ceramic material and capacitors made from it exhibit unique and heretofore unrealizable properties including low variation in capacita... | 04/13/2010 |
| 7572747 | Optical glass An optical glass consisting essentially of B2O3 in an amount of 10-40 wt %, SiO2 in an amount less than or equal to 5 wt %, ZnO in an amount less than or equal to 15 wt %, SrO in an amount less than or equal to 9 wt %, ZrO2 | 08/11/2009 |
| 7112769 | Susceptor for hybrid microwave sintering system, hybrid microwave sintering system including same and method for sintering ceramic members using the hybrid microwave sintering system A susceptor for a microwave hybrid heating system is provided, including a hollow member made of a heat resistant material that does not substantially absorb or reflect microwave energy at room temperature and a substance contained within the hollow member. The subs... | 09/26/2006 |
| 5824940 | Ceramic bullet-proof fabric A bullet-proof fabric containing a first layer of high-strength fabric, a first layer of ceramic material below the first layer of high-strength fabric, and a second layer of high-strength fabric disposed below the first layer of ceramic material. The fir... | 10/20/1998 |
| 5716565 | Process for making ultra-fine stabilized zirconia particles A process for producing ultra-fine particles of calcia-stabilized zirconia in which a precursor mixture (which contains from about 80 to about 96 mole percent of zirconium ion, from about 20 to about 4 mole percent of calcium ion, a nitrogen-containing fu... | 02/10/1998 |
| 5660774 | Process for making a sintered body from ultra-fine superconductive particles A process for producing a sintered body from untra-fine superconductive particles. In the first step of this process, a ceramic precursor material containing yttrium, barium and copper cations, a nitrogen-containing material, a solvent, and an anion capab... | 08/26/1997 |
| 5660772 | Process for making ultra-fine barium hexaferrite particles A process for producing ultra-fine barium hexaferrite particles. In the first step of this process, a ceramic precursor material containing barium and trivalent ferric cations, a nitrogen-containing material, a solvent, and an anion capable of participati... | 08/26/1997 |
| 5660773 | Process for making ultra-fine yttrium-iron-garnet particles A process for producing ultra-fine yttrium-iron-garnet particles. In the first step of this process, a ceramic precursor material containing yettrium and ferric cations, a nitrogen-containing material, a solvent, and an anion capable of participating in a... | 08/26/1997 |
| 5523284 | Process for preparing a bulk textured superconductive material In accordance this invention, there is provided a process for making a bulk superconductive material. In the first step of this process, a diffusion couple is formed from superconductor oxide and impurity oxide. Thereafter, the diffusion couple is heated ... | 06/04/1996 |
| 5519312 | Hybrid system of fuel cell and superconducting magnetic energy storage device An apparatus for producing, storing, and delivering direct current electrical energy to a load which contains a fuel cell, a superconducting magnetic energy storage device, a switch electrically connected between the fuel cell and the superconducting magn... | 05/21/1996 |
| 5495767 | Laser vibrometer A laser vibrometer which includes a laser, a laser beam splitter, two reflectors, an optical processor which includes two optical sensors, a digitizer for converting an analog signal into a digital signal, a flip-flop circuit, and a counter.... | 03/05/1996 |
| 5468427 | Process for making ultra-fine ceramic particles A process for producing ultra-fine ceramic particles in which droplets are formed from a ceramic precursor mixture containing a metal cation, a nitrogen-containing fuel, a solvent, and an anion capable of participating in an anionic oxidation-reduction re... | 11/21/1995 |
| 5430009 | Superconducting generator A contactless electrical generator assembly containing a stator and a rotor located within the stator is disclosed. The stator is formed by at least one section of superconductive material and at least one electromagnetic coil. The interior surfaces of th... | 07/04/1995 |
| 5385882 | Process for preparing a thallium-containing superconductor There is disclosed a process for preparing a thallium-containing superconductive composition. In the first step of the process, a mixture of an inorganic salt (such as potassium chloride) and a powder compositon is provided; the powder composition contain... | 01/31/1995 |
| 5342572 | Combustion synthesis process utilizing an ignitable primer which is ignited after application of pressure In accordance with this invention, there is provided a process for producing a shaped article in which a reaction mixture containing at least two elemental materials is first charged into a die to form a shaped green body. A uniaxial pressure of from abou... | 08/30/1994 |
| 5340533 | Combustion synthesis process utilizing an ignitable primer which is ignited after application of pressure A process for producing a dense composite material by combustion synthesis. In the first step of the process, a reaction mixture comprised of an elemental material is provided. The elemental material is charged to a die, a uniaxial pressure of from about ... | 08/23/1994 |
| 5304281 | Laser deposition of cubic cadmium sulfide films A process for preparing a film consisting of at least about 90 weight percent of cubic cadmium sulfide is disclosed. In one step of this process, a cadmium sulfide target with a density of at least about 3.8 grams per cubic centimeter is provided. In a separat... | 04/19/1994 |
| 5297438 | Piezoresistive sensor An electrical circuit containing novel piezoresistive sensor is disclosed. The sensor is connected to a source of direct current, and a manometric pressure of at least about 15 p.s.i.g. is applied to the sensor.... | 03/29/1994 |
| 5270293 | Molten salt synthesis of anisotropic powders A process for preparing a superconducting, ceramic material with an increased critical current is described. In this process, the materials used to form the superconducting material are mixed with at least one inorganic salt, and the mixture containing th... | 12/14/1993 |
| 5260105 | Aerosol-plasma deposition of films for electrochemical cells An atmospheric process for the production of a coating or film for electrochemical cells is disclosed. In the first step of this process, an aerosol mist containing reactants necessary to form the desired coating or film is provided. Thereafter, the mist ... | 11/09/1993 |
| 5225126 | Piezoresistive sensor An electrical circuit containing novel piezoresistive sensor is disclosed. The sensor is connected to a source of direct current, and a stress of at least about 15 p.s.i. is applied to the sensor.... | 07/06/1993 |
| 5215563 | Process for preparing a durable glass composition A process for preparing an improved durable glass composition is described. In the first step of the process, a glass batch containing from 40 to 80 mole percent of phosphorous and from 3 to 40 mole percent of iron is provided. In the second step of the p... | 06/01/1993 |
| 5213851 | Process for preparing ferrite films by radio-frequency generated aerosol plasma deposition in atmosphere In accordance with this invention, there is provided an atmospheric process for the production of a ferritic coating or film. In the first step of this process, an aerosol mist containing reactants necessary to form the ferrite is provided. Thereafter, th... | 05/25/1993 |
| 5192351 | Production of dehydroxylated glass A substantially dehydroxylated glass is formed by impregnating a dry porous silica gel with a nitrogen-containing organic compound in an organic solvent capable of solubilizing that compound. The impregnated gel is then sintered in a non-oxidizing atmosph... | 03/09/1993 |
| 5157831 | Process for preparing an hermetically sealed glass-metal electrical connector A process for preparing an electrical connector from a glass plug, a rigid metal shell, and at least one pin conductor is disclosed. The glass plug is made by mixing glass powder with binder, forming a green body, debindering the green body, and heating the de... | 10/27/1992 |
| 5157015 | Process for preparing superconducting films by radio-frequency generated aerosol-plasma deposition in atmosphere A process for coating a superconductive film onto a substrate is provided. In the first step of this process, a solution of the reagents required to produce the superconductive material is subjected to ultrasonic sound waves to create an aerosol. Thereaft... | 10/20/1992 |
| 5120703 | Process for preparing oxide superconducting films by radio-frequency generated aerosol-plasma deposition in atmosphere A process for coating a superconductive film onto a substrate is provided. In the first step of this process, a solution of the reagents required to produce the superconductive material is subjected to ultrasonic sound waves to create an aerosol. Thereaft... | 06/09/1992 |
| 5102833 | Strengthening glass articles with electromagnetic radiation and resulting product Alkali metal- and alkaline earth metal-oxide aluminosilicate amorphous glass articles can be strengthened by providing such glass with a cerium dioxide sensitizer and a nucleating agent, irradiating the article with electromagnetic radiation, heating the ... | 04/07/1992 |
| 5100868 | Process for preparing superconducting films by radio-frequency-generated aerosol plasma deposition A two-step process for the preparation of a thallium-containing superconductive film is described. In the first step of this process, an aerosol mist containing reactants necessary to produce a calcium/barium/strontium/copper precursor material is provide... | 03/31/1992 |
| 5045510 | Process for preparing a surface darkened glass A process for preparing a surface-darkened glass is disclosed. In the first step of this process, a specified silicate glass which contains a minor amount of antimony trioxide is provided. Thereafter, this glass is heated to a temperature of from about 35... | 09/03/1991 |
| 5015619 | Superconducting mirror for laser gyroscope A superconductive mirror assembly whose reflectivity can be varied is disclosed. This assembly contains an optionally transparent substrate, a superconductive film formed on the substrate, means for measuring the temperature of the superconductive film, m... | 05/14/1991 |
| 5015622 | Multidirectional/rotational superconductor motor A contactless, multi-dimensional small stepper motor with a maximum dimension of less than about 10 centimeters is described. The motor contains at least one magnetized article, at least one superconductive primary suspending element, and at least two pri... | 05/14/1991 |
| 4999321 | Optical glass composition A durable, optically isotropic glass composition which contains 50-75 percent of germania, 10-25 percent of alumina and/or gallia, and 10-25 percent of terbium oxide and/or dysprosium oxide and/or gadolinium oxide.... | 03/12/1991 |
| 4981633 | Process for preparing a PTC thermistor A process for preparing a positive temperature coefficient thermistor is disclosed. This thermistor is comprised of at least about 60 weight percent of undoped, crystalline, ferroelectric material, and it has a room-temperature resistivity of less than 5,... | 01/01/1991 |
| 4970195 | Process of making a superconducting glass-ceramic composition A process for preparing a glass-ceramic material with superconducting properties is disclosed. In the first step of this process, a powder batch comprised of a glass-former and of barium oxide, yttrium oxide, and copper oxide (or the precursors of one or ... | 11/13/1990 |
| 4959089 | Process for preparing a barium titanate film A process for preparing a tetragonal barium titanate film with a thickness of from about 0.1 to about 1.5 millimeters is disclosed. In the first step of this process, a mixture of a barium compound, a titanium compound, and a boron oxide glass former is provid... | 09/25/1990 |
| 4944784 | Process for preparing a borosilicate glass A process for preparing a surface-darkened glass is disclosed. In the first step of the process, a specified alkali alumino-borosilicate glass which contains a minor amount of antimony trioxide is provided. Thereafter, this glass is heated to a temperatur... | 07/31/1990 |
| 4929433 | Method for the preparation of sinterable nitrides Nitride powders of high surface area, uniform small particle size and high purity are prepared by forming in an aqueous medium a homogeneous combination of a soluble or colloidally dispersible compound of a multivalent metal with a water soluble oxygen ox... | 05/29/1990 |
| 4921328 | Polycrystalline ferroelectric fiber An inorganic, polycrystalline, ferroelectric fiber with a diameter of from about 1 micron to 1 millimeter, a porosity of less than about 40 percent, a density of at least about 60 percent of theoretical density, and a carbonaceous material content of from... | 05/01/1990 |
| 4872896 | Process for strengthening glass There is disclosed a process for strengthening a glass article. This process comprises the steps of: 1. providing a glass article comprised of from about 1 to about 30 weight percent of at least one compound of a first monovalent exchangable cation, 2. co... | 10/10/1989 |
