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Match Document Document Title
7416902 Method and apparatus for airborne particle sorting  
An apparatus for airborne particle sorting is provided comprising a charging system adapted for applying an electrostatic charge to the particles, such that particles of at least a first group are...
7416703 Polymer based lanthanide luminescent sensors for the detection of organophosphorus compounds  
A device for measuring and detecting the organophosphonis compounds, such as a pesticides or a nerve agents is provided. The devices function by selectively binding an organophosphorous compound to...
7416699 Carbon nanotube devices  
Nanotubes and nanotube-based devices are implemented in a variety of applications. According to an example embodiment of the present invention, a nanotube is adapted to pass current between two...
7413892 Systems and methods for molecular recognition  
Acoustic wave devices coated with a biolayer are described for the detection target bio-molecules. The acoustic wave device is connected in an oscillator circuit, and the frequency shift Δf...
7404311 Breath test simulator  
A breath simulator for supplying a breath test analyzer with a sample effluent of ethyl alcohol that controls headspace and adjacent effluent passageway temperature.
7402284 Orientation device for a gas analyzer  
A method and apparatus for determining the orientation of a gas analyzer. Because condensation can build-up in a filter of the gas analyzer, it needs to be purged from the analyzer so that accurate...
7399959 Method and apparatus for enhanced ion based sample filtering and detection  
The invention provides, in various embodiments, systems and methods relating to enhancing the filtering and detection capability of ion mobility based systems by various techniques to counteract a...
7399445 Chemical sensor  
A sensor device is formed from a metal film having a plurality of openings, a sensor material positioned within each of the openings, a light source that emits light having a first wavelength, and...
7393505 Proton conductor gas sensor  
A proton conductor gas sensor whose durability at high temperature is enhanced by using gel not converted to sol even at high temperature in a water reservoir. Fine particles of silica are gelled...
7392138 Method for determining the content of at least one given gas in a drilling mud, associated device and rig  
A method includes the phases of measuring the quantity of a given gas in the gases extracted from a calibration sample of a calibration mud, in at least two stages for extraction under...
7390673 Method and device for identifying volatile substances in solution  
The invention relates to a method for fluorimetrically or photometrically identifying gaseous substances or substances, which can be converted into a gaseous state, in samples. Decomposition...
7390465 System and method for contamination detection within sealed containers  
A system and a method to detect biological and chemical agents in a sealed contained at, for example, a mail-processing center. The system includes filtration and vacuum subsystems cooperatively...
7387764 Contained oxygen analyzing apparatus and contained analyzing method  
An apparatus for analyzing the amount of gas in a solid sample such as a contained oxygen analyzing apparatus and method utilizing a preliminary reducing furnace which can be connected to an...
7374940 Method and apparatus for determining the progress of a uranium oxyfluoride conversion reaction in a furnace and for controlling the reaction  
A substance in a condensed state, for example a powdered solid, is in continuous movement in the longitudinal direction ( 6 ) of a furnace ( 4, 5 ). A reactive gas mixture is brought into contact...
7374722 System for taking a gas sample able to contain particles of suspended materials  
The sampling system of the invention includes a column comprising a first separator associated with a first collector so as to extract particles whose diameter is larger than a first diameter, and...
7368291 Sulfuryl fluoride fumigation process  
A process is provided for determining the amount of sulfuryl fluoride in the atmosphere of an enclosed area that has been fumigated with sulfuryl fluoride (SO 2 F 2 ). This process comprises: (A)...
7368289 Filter for determination of mercury in exhaust gases  
An apparatus, process, coating, and filter for the accurate measurement of total mercury concentration in flue gas. In a preferred aspect, the concentrations of both elemental and oxidized mercury...
7364700 Ozone gas sensing element, detection apparatus, and measurement method  
A sensing element in which a dye that changes in the light absorption characteristic of the visible region upon reaction with ozone gas is deposited in the pores of a porous material is prepared. A...
7361514 System and method for gas discharge spectroscopy  
A system for identifying gases, the system having a plasma generator for generating a plasma using the gas to be identified and an array of detectors for detecting light emitted from the plasma. By...
7357015 Gas concentration sensor, hydrogen purification unit using this and fuel cell system  
In order to provide a step capable of reliably detecting a CO concentration in a reformed gas at low cost and a hydrogen purifier capable of fully exerting a function of a CO purifying catalyst, a...
7354553 Method and apparatus for detecting the presence of elemental mercury in a gas sample  
An improved elemental mercury analyzer utilizes a fluorescence assembly in combination with a fluorescence quenching reduction mechanism to detect the concentration of elemental mercury within an...
7354552 Gas chromatograph with flame ionisation detector for parallel hydrocarbon analysis  
A field flame ionisation gas chromatograph for the analysis of a hydrocarbon gas mixture found in particular in mud from oil drilling and sampled by a gas carrier, which is characterised by the...
7341694 Ammonia sensor  
In an ammonia sensor ( 1 ), lead portions ( 7 ) and ( 9 ) are provided on an insulating substrate ( 5 ); a pair of comb-shaped electrodes ( 11 ) and ( 13 ) are connected to the lead portions ( 7 )...
7338640 Thermopile-based gas sensor  
A method of manufacturing a sensor is provided. The method includes disposing a sacrificial layer on a substrate, disposing a low-thermal-conductivity layer on the sacrificial layer, and disposing...
7337616 System for sampling cryogenic liquids, and air separation unit provided with at least one such system  
A system for sampling cryogenic liquids, and an air separation unit provided with at least one such system. The cryogenic liquid is introduced into a vaporizer, through heat exchange with the...
7332346 Method of collecting chemically contaminating impurity constituents contained in air  
The method is intended to detect with high sensitivity and high accuracy chemically contaminating impurities in which there exist chemically contaminating impurity constituents of basic series,...
7329389 Sensor device and method for qualitative and quantitative analysis of gas phase substances  
New sensors and methods for qualitative and quantitative analysis of multiple gaseous substances simultaneously with both high selectivity and high sensitivity are provided. The new sensors rely on...
7323343 Nitrogen monoxide, nitrogen dioxide and ozone determination in air  
An analytical system is provided for determining nitrogen monoxide, nitrogen dioxide and ozone concentrations in air samples. An ultraviolet light source 4 is used to alter the equilibrium...
7318910 Chemical dosimeter  
A chemical dosimeter comprising: a chamber defined by a heat resistant mesh; and a quantity of an adsorbent contained within the chamber; the arrangement being such that gas may diffuse into the...
7318908 Integrated nanotube sensor  
Integrated nanotube sensors are adapted for detecting various chemical and biological molecules. In one implementation, nanotube sensor arrays are formed as nano-electronic noses capable of such...
7314597 Chemical agent detection  
A chemical agent detector with a lesser demand sensor, a greater demand sensor, an inlet; and a manifold; and methods associated therewith. The manifold is positioned between the inlet and the...
7312095 Modification of selectivity for sensing for nanostructure sensing 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...
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...
7297549 Method of determining measurement bias in an emissions monitoring system  
A method of determining bias in a measurement of a constituent concentration level in a sample gas is provided. The method comprises establishing a sample gas flow from an emission stream into a...
7294306 Inspection tester for explosives  
An inspection tester that can be used anywhere as a primary screening tool by non-technical personnel to determine whether a surface contains explosives. It includes a body with a sample pad. First...
7291837 Apparatus and method for preparing samples for radiocarbon dating  
The invention provides a method and apparatus for preparing samples of carbon dioxide with a 14 C content for analysis in liquid scintillation counting equipment, the sample being of a known mass...
7286942 System and method of fluctuation enhanced gas-sensing using saw devices  
A system and method of fluctuation enhanced gas-sensing using SAW devices includes processes for improved chemical analyte detection, identification, and quantification through the measurement and...
7285246 Hand-held fluid analyzer  
A hand-held device detects the presence of a preselected substance in the breath. A deformable housing forms a test chamber for interacting an indicator reagent with the breath. An ampoule...
7279133 Planar sensor and a method for measuring the temperature of same  
In a planar oxygen sensor having a pump cell, a reference cell, a sensor chamber and a heating device, a ground plane electrode is provided and includes a sensing portion having a first sense lead...
7279132 Chemical vapor sensor having an active and a passive measurement mode  
A chemical vapor sensor is provided that measures a chemical species of interest with high sensitivity and chemical specificity. In an aspect, an ethanol vapor sensor is provided, sized for being...
7273588 Methods of sampling halosilanes for metal analytes  
Methods for determining the amount of at least one metal analyte present in a liquid or gas sample of a halosilane supply (e.g., a chlorosilane supply) are disclosed herein. A sample of a...
7264778 Carbon monoxide sensor and method of use thereof  
Carbon monoxide sensors suitable for use in hydrogen feed streams and methods of use thereof are disclosed. The sensors are palladium metal/insulator/semiconductor (Pd-MIS) sensors which may...
7261857 Colorimetric artificial nose having an array of dyes and method for artificial olfaction  
The present invention involves an artificial nose having an array comprising at least a first dye and a second dye in combination and having a distinct spectral response to an analyte. In one...
7255837 Electronic device and thermal type flow meter on vehicle  
An airtight configuration for keeping down the permeation of corrosive gas from silicone adhesive, and for preventing corrosive gas from entering the case. An electronic device mounted on vehicle....
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...
7250138 Method and system for detecting and recording submicron sized particles  
A system and method for detecting the presence of submicron sized particles in a sample taken from the environment includes a collecting a sample from the environment and purifying and...
7247496 Process for determining the particle size distribution of an aerosol and apparatus for carrying out such a process  
The measurement of the particle size distribution of an aerosol is of crucial importance in pharmaceutical development. A prerequisite for this is a valid method, e.g. the cascade impactor method...
7247271 Compact ceramic sensor for fuel volatility and oxygenate concentration  
A compact ceramic fuel property sensor comprises a plurality of laminated ceramic layers. The heater, temperature sensor, and capacitance measurement electrodes are embedded between the layers. The...
7235214 System and method for measuring molecular analytes in a measurement fluid  
A molecular contamination monitoring system includes a piezoelectric measurement sensor exposed to a molecular constituent to be measured; a piezoelectric reference sensor; and a filter for...
7232548 Transport device for analyzing hydrocarbon-containing constituents  
An analysis and/or measuring device includes means for extracting, in the gaseous form, hydrocarbons contained in a liquid fluid, means for transporting said extracted gases, and means intended for...
Matches 1 - 50 out of 898 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >