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Document Title |
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7537737 |
Installation structure for gas sensor
An installation structure for a gas sensor capable of detecting gas concentration in a highly accurate manner is provided. The installation structure for a gas sensor which detects concentration of...
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7521252 |
Methods for forming palladium alloy thin films and optical hydrogen sensors employing palladium alloy thin films
Methods for forming hydrogen sensing materials include forming a palladium alloy thin film having less than about 83 atomic percent of palladium, and annealing the palladium alloy thin film to...
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7479255 |
Gas sensor
A hydrogen sensor 25 has a fitting base plate 29 in which a gas-sensing chamber 34 is formed, a specimen gas intake 35 formed on said fitting base plate 29, opening toward an exit passage...
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7459312 |
Photodesorption in carbon nanotubes
Carbon nanotube devices are manipulated in a manner that is useful for a variety of implementations. According to an example embodiment of the present invention, light ( 632 ) is used to...
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7445937 |
Methods for synthesis and evaluation of hydrogen storage compositions
A method for identification and evaluation of the hydrogen storage capacity of materials is presented, the method comprising providing a plurality of materials, wherein the plurality of materials...
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7429358 |
Method and apparatus for measuring gas sorption and desorption properties of materials
The invention relates to a method and an apparatus (herein referred to as a “gas sorption/desorption analyzer”) for measuring the gas sorption properties of substances (for example hydrogen...
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7422907 |
Process for measuring mercury concentration within hydrocarbons
A process for measuring the mercury concentration within a hydrocarbon is provided that enables the mercury concentration to be measured simply and quickly, and with good reliability and good...
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7416702 |
Hydrogen sensor and process for production thereof
According to the present invention there is disclosed a hydrogen sensor comprising
a substrate, a rare earth metal film formed on the substrate, and a protective film formed on the rare...
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7364912 |
Controlling the flow of hydrogen and ammonia from a hydrogen generator during a breakthrough with hydrated copper (II) chloride trap
Gas flow is controlled to a feed gas consuming device depending on whether a contaminant gas is present. In one embodiment, hydrogen gas flow from a hydrogen gas generator to a hydrogen consuming...
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7323344 |
Method of measuring the concentration of hydrogen and methane in nitrogen by ion mobility spectrometry
A method is provided for the quantitative analysis of the contents, in nitrogen, of hydrogen and methane by ionic mobility spectrometry. The method includes the steps of: a) performing a...
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7306951 |
Method and apparatus for determining diffusible hydrogen concentrations
A measuring apparatus and method for use in measuring diffusible hydrogen concentrations in materials, structures, and other objects. In an embodiment of the invention for use in welding...
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7276379 |
Detection method and quantitative analysis method for hydrogen radical
The invention is directed to a method of detecting hydrogen radicals present in water or an aqueous solution, characterized in adding sodium salt of 3,5-dibromo-4-nitrosobenzenesulfonic acid...
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7255836 |
Analytical sensitivity enhancement by catalytic transformation
A device and method for quantifying an impurity in an input gas stream. The device and method employ a catalyst to convert the impurity to a detectable species in an output gas stream, and the...
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7233034 |
Hydrogen permeable protective coating for a catalytic surface
A protective coating for a surface comprising a layer permeable to hydrogen, said coating being deposited on a catalyst layer; wherein the catalytic activity of the catalyst layer is preserved.
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7223607 |
Process and device for the detection of hydrocarbons in a gas
The invention relates to a process for the detection of hydrocarbons other than methane in a gas predominantly or essentially comprising oxygen, as well as methane and the said hydrocarbons other...
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7192459 |
Addition of odorants to gases for leak detection
An apparatus for dispensing an odorant to a fluid in a vessel having an interior volume containing the fluid includes at least one odorant material and an odorant-permeable material. The at least...
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7189592 |
Manufacturable single-chip hydrogen sensor
A robust single-chip hydrogen sensor and a method for fabricating such a sensor. By utilizing an interconnect metallization material that is the same or similar to the material used to sense...
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7189364 |
Hydrogen sensor
A hydrogen sensor includes a first electrode 3 and a second electrode 4 provided in contact with a proton conduction layer 2 ; a gas diffusion controlling portion 6 provided between a...
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7186381 |
Hydrogen gas sensor
A hydrogen gas sensor and/or switch fabricated from arrays nanowires composed of metal or metal alloys that have stable metal hydride phases. The sensor and/or switch response times make it quite...
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6959254 |
Method and device for controlling and/or diagnosing a control system that influences a mass flow
A method and a device are proposed for controlling and/or diagnosing a control system influencing a mass flow. In this context, a correction value is calculated, which corrects the controlling, or...
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6899855 |
Hydrogen-occlusion alloy regenerating apparatus
A hydrogen-occlusion alloy regenerating apparatus includes a deterioration detecting means for detecting that a hydrogen-occlusion alloy capable of occluding hydrogen in a reformed gas produced by...
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6897960 |
Optical hydrogen detector
A hydrogen gas detector for detection of hydrogen gas in a gaseous environment. The detector comprises a light/heat source, an optical detector, and an optical barrier between the source and...
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6827903 |
Inert gas fusion analyzer
A single pass analyzer includes multiple infrared sensors, a catalytic converter, a scrubber and a thermal conductivity cell all coupled in series to provide a single pass (i.e., one sample)...
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6726882 |
Hydrocarbon detector device
A hydrocarbon detector ( 20 ) includes a gas stream delivery element ( 26 ) configured to discharge a carrier gas ( 70 ) onto a surface ( 24 ). The carrier gas ( 70 ) serves to volatilize a...
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6723566 |
Pd/Ni-WO3 anodic double layer gasochromic device
An anodic double layer gasochromic sensor structure for optical detection of hydrogen in improved response time and with improved optical absorption real time constants, comprising: a glass...
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6653144 |
Method and an apparatus for analyzing trace impurities in gases
The present invention relates to a method and an apparatus for analyzing trace impurities in gases, which enable to analyze a very small quantity of impurities by only a simple operation, without...
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6634213 |
Permeable protective coating for a single-chip hydrogen sensor
A permeable protective coating for a single-ship hydrogen sensor. A hydrogen-permeable coating is applied to a semiconductor wafer containing hydrogen sensor dies, prior to dicing of the wafer. The...
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6617164 |
Method and apparatus for producing standard gases, carbon monoxide, and hydrogen for determining isotope relationships
The invention, relates to a method for producing standard gases (CO and H 2 ) for determining the isotope relationships of oxygen and/or hydrogen, in particular during on-line operation, with a...
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6599707 |
Methods for identifying hot-spot residues of binding proteins and small compounds that bind to the same
The present invention provides methods of identifying hot-spot residues for one or both members of a receptor-ligand complex of interest. Further provided are methods of using receptor hot-spot...
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6596236 |
Micro-machined thin film sensor arrays for the detection of H2 containing gases, and method of making and using the same
The present invention provides a hydrogen sensor including a thin film sensor element formed by metal organic chemical vapor deposition (MOCVD) or physical vapor deposition (PVD), on a...
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6539774 |
Thin film metal hydride hydrogen sensor
A sensor for determining the presence of hydrogen and for measuring the amount of hydrogen present in the vicinity of the sensor. The sensor comprises a metal hydride hydrogen-absorbent material AB...
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6537824 |
Process for metering hydrogen permeated in a metallurgical structure, and apparatus thereof
Patent of invention “PROCESS FOR METERING HYDROGEN PERMEATED IN A METALLURGICAL STRUCTURE, AND APPARATUS THEREOF”, refers to a process for metering permeated hydrogen flow in machines,...
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6537744 |
Use of biomarkers in saliva to evaluate the toxicity of agents and the function of tissues in both biomedical and environmental applications
Sensitive methods using a variety of biomarkers in oral saliva of humans and animals to detect, measure, and quantify the presence of infectious and non-infectious agents and the functional status...
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6464938 |
Device for measuring the concentration of hydrogen in a gaseous mixture
The present invention relates to a device for measuring the concentration of hydrogen in a gaseous mixture and in particular in the air constituting, for example, the atmosphere inside a closed...
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6338824 |
Method for detection of extremely low concentration
An ultratrace detector system for hand-held gas chromatography having high sensitivity, for example, to emissions generated during production of weapons, biological compounds, drugs, etc. The...
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6265222 |
Micro-machined thin film hydrogen gas sensor, and method of making and using the same
A hydrogen sensor including a thin film sensor element formed, e.g., by metalorganic chemical vapor deposition (MOCVD) or physical vapor deposition (PVD), on a microhotplate structure. The thin...
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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 H 2 ...
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6074882 |
Device determining a concentration of a gas mixture
In order to determine a concentration of a gas mixture, especially a hydrogen concentration of a containment atmosphere of a nuclear power station, a temperature change resulting from a catalytic...
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6025199 |
Method for monitoring corrosion
A method for monitoring the corrosion of C-steel of a vessel, in particular of a steam generator, when the vessel is being cleaned using at least one chemical which releases a gas, in particular...
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5976890 |
Reduction furnace process for quantitative deuterium determination in hydrogen containing samples
The invention relates to a method for the quantitative determination of deuterium in samples containing hydrogen, and to a reduction oven for reducing gaseous or liquid substances containing...
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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...
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5831143 |
Method for detecting hydrogen in waste compounds
A method for determining hydrogen content in a compound is disclosed. This method generally comprises heating the sample to sufficient temperatures to effect pyrolytic conversion of any hydrogen...
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5783152 |
Thin-film fiber optic hydrogen and temperature sensor system
The invention discloses a sensor probe device for monitoring of hydrogen gas concentrations and temperatures by the same sensor probe. The sensor probe is constructed using thin-film deposition...
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5766954 |
Isotopic composition analyser
A continuous flow method of determining the quantitative isotopic composition of hydrogen comprised in a compound is disclosed, together with apparatus for carrying out the method. The method...
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5661038 |
Interface system for isotopic analysis of hydrogen
An interface system for supplying hydrogen isotopes to an isotope ratio mass spectrometer (IRMS) eliminates "memory effects" which are caused by residual water vapor being left in the interface...
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5599716 |
Measurement of radioactive content of waste and plant items by radiolytic transformation of reactant gases
A process for the measurement of the level of radioactivity of a solid by contacting the solid with a chemically stable reactant fluid. The reactant fluid is converted by nuclear radiation to a...
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5591321 |
Detection of fluids with metal-insulator-semiconductor sensors
A metal-insulator-semiconductor diode sensor having a Pt/Ir alloy and/or a Pt/Sn alloy electrode is sensitive to and can detect ethylene. An array of metal-insulator-semiconductor diode sensors...
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5580793 |
Process and device for determining the para content of a hydrogen gas stream
Process and device for determining para content X 1 of a hydrogen gas stream, in which temperature T 1 as well as pressure p 1 of the hydrogen gas stream are measured before its entry into at...
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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...
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5470756 |
Gas sensors
SnO 2 gas sensors are described incorporating Bi 2 O 3 in an amount less than 35% but sufficient to confer hydrogen sensitivity and selectivity to the sensors described comprises 25% by weight...
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