Bizarre Patents
A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
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 |
| 6979434 | Method for producing potassium fluorotantalate crystal being low in oxygen content and method for producing potassium fluoroniobate crystal being low in oxygen content, potassium fluorotantalate crystal being low in oxygen content and potassium fluoroniobate crystal The object of the present invention is to provide a method of producing low oxygen-containing potassium fluorotantalate crystals or low oxygen-containing potassium fluoroniobate crystals, the crystals obtained by the production method, and a method of analyzing oxyg... | 12/27/2005 |
| 6905655 | Modification of selectivity for sensing for nanostructure device arrays An electronic system for selectively detecting and identifying a plurality of chemical species, which comprises an array of nanostructure sensing devices, is disclosed. Within the array, there are at least two different selectivities for sensing among the nanostruct... | 06/14/2005 |
| 6855557 | Detection of base contaminants in gas samples A detection system for detecting contaminant gases includes a converter, a detector, a primary channel for delivering a target gas sample through the converter to the detector, and at least two scrubbing channels for delivering a reference gas sample through the con... | 02/15/2005 |
| 6803235 | Methods of generating information about materials present in compositions and about particulates present in fluids utilizing a microscope The invention encompasses a method of generating information about materials in a composition. A reagent is utilized to dissolve portions of the composition, and thereafter is filtered through a substrate which is then scanned with a microscope using automated displ... | 10/12/2004 |
| 6630355 | Magnetic focusing immunosensor for the detection of pathogens A magnetic focusing immunosensor for the detection of pathogens comprising a laser, an exciting fiber and a collecting fiber, a fiber optic magnetic probe in communication with the collecting and exciting fibers and means for detecting, collecting and mea... | 10/07/2003 |
| 6143571 | Method for analytically determining oxygen for each form of oxide The method for analyzing a metal for oxygen, using inert gas carrying fusion/infrared absorption analysis, having the steps of: placing a metal analyte in a graphite crucible; heat-melting the metal analyte; extracting a gas from the melt bath; and analyz... | 11/07/2000 |
| 6116079 | Liquid copper hydrogen sample probe A method is disclosed for improving the making of metals such as steel and copper by using a molten metal gas measurement system to measure the gas content of the molten metal particularly H2 content, and to controlling the metal making process... | 09/12/2000 |
| 6037182 | Method for detecting a location of contaminant entry in a processing fluid production and distribution system A method is used to detect a location of contaminant entry in a processing fluid production and distribution system. A wafer is placed in a clean container. The clean container is connected to a test point within the processing fluid production and distri... | 03/14/2000 |
| 5894082 | Apparatus for measuring oxygen within molten substance An apparatus for measuring oxygen within a molten substance comprises a compact oxygen probe unit constructed by assembling a tubular shell whose one end is closed, which is made of solid electrolyte and which is to be soaked into the molten substance to ... | 04/13/1999 |
| 5850034 | Making of metal products using a gas analyzer A method for improving the making of metals such as steel and copper by specially using a gas measurement system to analyze molten metals for gas, particularly H2 content, and to controlling the metal making process based on these values. The preferred ga... | 12/15/1998 |
| 5834316 | Solvent extraction A method of extracting anionic species from a solid or liquid medium by contacting the medium with an extract solvent of supercritical carbon dioxide and a positively charged complexant ligand for solubilizing and extracting the anionic species form the m... | 11/10/1998 |
| 5723337 | Method for measuring and controlling the oxygen concentration in silicon melts and apparatus therefor A method for measuring and controlling the oxygen concentration in silicon melts which are contained in a silica glass crucible or which can be touched by a silica glass surface can especially be used for achieving a defined, uniform axial and radial oxyg... | 03/03/1998 |
| 5635054 | Microelectrodes and amperometric assays A photo-ablation technique is used to create apertures (4) in a layer (2) of electrically insulating material and allow electrically conducting material (3) exposed through the apertures to create a microelectrode. The microelectrode can be used for assay... | 06/03/1997 |
| 5518931 | Process for determining the concentration of a gas in a molten metal A process is provided for determining the concentration of a gas in a molten metal by a carrier gas, which can be pumped to at least one analyzer, either in direct route for calibration, or for measuring through a measuring circuit with a measuring probe ... | 05/21/1996 |
| 5427952 | Analytical method for nonmetallic contaminates in silicon The present invention is a method for analyzing silicon for nonmetallic contaminants. The method comprises: (A) forming an alloy comprising silicon and a metal which promotes separation of nonmetallic contaminants present in the alloy, (B) separating the ... | 06/27/1995 |
| 5039612 | Method for detecting surface oxidation on titanium aluminide metallic material The present invention is a method of determining oxidation on a titanium aluminide material. An aqueous saturated solution of oxalic acid is prepared. The saturated solution of oxalic acid is combined with a minor portion of hydrofluoric acid solution. Th... | 08/13/1991 |
| 4746617 | Method of analyzing nitrogen contained in titanium group metal or alloy thereof A method of quantitatively analyzing nitrogen contained in titanium group metal or an alloy thereof, involving melting the metal or alloy in an inert gas atmosphere, allowing the nitrogen in titanium to be extracted and subjecting the extracted nitrogen t... | 05/24/1988 |
| 4698314 | Method for measurement of gas concentration A gas concentration measuring method comprises irradiating a sample gas with ultraviolet light in the presence of oxygen, thereby converting a specific gas for detection contained in the sample gas into fine oxide particles by photochemical reaction, irra... | 10/06/1987 |
| 4673655 | Method of analyzing oxygen or nitrogen contained in titanium group metal or alloy thereof A method of quantitatively analyzing oxygen or nitrogen contained in titanium group metal or an alloy thereof, involving melting the metal or alloy in an inert gas atmosphere, allowing the oxygen in titanium to react with carbon thereby extracting it as c... | 06/16/1987 |
| 4365969 | Method for quantitative analysis of chemical composition of inorganic material A method for quantitative analysis of the chemical composition of an inorganic material comprising extraction of the element being determined from a sample of the inorganic material into the gas phase by treating the sample with a reagent that forms, with... | 12/28/1982 |
| 4305906 | Apparatus for analyzing oxygen, nitrogen and hydrogen contained in metals An apparatus for analyzing oxygen, nitrogen and hydrogen which are contained in metals. The apparatus includes a graphite crucible which has a sample therein and which is heated to generate a gaseous mixture of CO, N2 and H2. An oxid... | 12/15/1981 |
| 4259287 | Testing tube construction for measuring sodium hydroxide and/or calcium oxide A testing tube for measuring sodium hydroxide and/or calcium oxide aerosols, comprises, a glass tube having breakoff points at each end to open at each end and containing a front layer of a substrate material impregnated with ammonium chloride and a follo... | 03/31/1981 |
| 4229412 | Apparatus for the determination of bond forms of gases Apparatus for the determination of bond forms of gases, such as a sample containing oxygen or nitrogen in solid or liquid small metal samples (e.g. from 0.8 to 1.2 g). The apparatus includes a furnace to heat the sample to a temperature of about 3000° C.... | 10/21/1980 |
| 4098576 | Method for analyzing the latent gas content of metal samples A method for analyzing the latent gas content of metal samples, particularly the oxygen content of solidified samples of molten steel, which includes charging a crucible in a heat extraction furnace with a metal test specimen and sufficient metallic germa... | 07/04/1978 |
| 3997295 | Process for the determination of the oxide content of a molten salt charge A process for determining the oxide content of a molten salt charge, in particular the aluminum oxide content of cryolite-based melts. The rate of dissolution of a test piece of a material which can dissolve in the melt is determined.... | 12/14/1976 |
| 3982896 | Test method for determining zeolite A test method for determining the amount of zeolite material in a sample comprising heating a weighed portion of the sample to remove adsorbed water, cooling the heated portion, adding a known quantity of water to the portion, noting the resulting tempera... | 09/28/1976 |
| 3955968 | Method for determining the temperature of a molten metal bath In a top blown oxygen converter, temperature of the molten metal is determined by measuring the total heat of the charge. The oxygen supplied through the lance is measured and the amount of carbon monoxide and carbon dioxide leaving the converter are cont... | 05/11/1976 |
