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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...
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7389671 |
Ultrafast and ultrasensitive hydrogen sensors based on self-assembly monolayer promoted 2-dimensional palladium nanoclusters
A device and method of making same. The device or hydrogen detector has a non-conducting substrate with a metal film capable of absorbing hydrogen to form a stable metal hydride. The metal film is...
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7387010 |
Sensor arrangement having sensor array provided on upper portion of a container
A chemical sensing system has: an interrogation unit operable to wirelessly transmit an interrogation signal and wirelessly receive a response; an environmentally sealed container for holding a...
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7377186 |
Engagement of a sensor system with a vehicle operating device
A steering wheel has a structural skeleton forming a core within an outer covering, the covering and skeleton forming a hub portion having at least one arm interconnecting the hub portion with an...
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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...
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7370512 |
Gas analyzer apparatus
A gas analyzer apparatus including a support tube having a distal portion arranged in a flue and a gas sensor supported on the support tube. An air supply tube supplies cooling air into the support...
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7370511 |
Gas sensor with attenuated drift characteristic
A sensor with an attenuated drift characteristic, including a layer structure in which a sensing layer has a layer of diffusional barrier material on at least one of its faces. The sensor may for...
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7369945 |
Apparatus and method for storing and transporting data related to vapor emissions and measurements thereof
The present invention provides apparatus and a methods for collecting, transmitting and storing fugitive gas emission data. An embodiment of the invention collects fugitive gas with a sampling...
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7367215 |
Formation of metal nanowires for use as variable-range hydrogen sensors
The present invention provides for variable-range hydrogen sensors and methods for making same. Such variable-range hydrogen sensors comprise a series of fabricated Pd—Ag (palladium-silver)...
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7359804 |
System and method for calibrating remote emissions sensing instruments
A system and method is provided for obtaining calibration curves for CO and CO 2 during laboratory calibration of one or more remote emissions sensing (RES) instruments, and for self-calibration...
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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...
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RE40238 |
Personal hydrogen sulfide gas alarm system
A person-carried hydrogen sulfide instrument is adapted for use with a conventional SCADA system or other type of fault monitoring system normally intended for monitoring well-related conditions at...
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7350396 |
Pulse-type gas concentration measurement system and method thereof
A pulse-type gas concentration measurement system and a method of pulse-type gas concentration measurement in a specific environment. When the sensor is located at a specific position, a variable...
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7340938 |
MIS-based sensors with hydrogen selectivity
The invention provides hydrogen selective metal-insulator-semiconductor sensors which include a layer of hydrogen selective material. The hydrogen selective material can be polyimide layer having a...
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7340937 |
Method for determining hydrogen mobility as a function of temperature in superconducting niobium cavities
A method for determining the mobility of hydrogen as a function of temperature in superconducting niobium cavities comprising: 1) heating a cavity under test to remove free hydrogen; 2) introducing...
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7331213 |
Sensor device for determining constituents of a flowing medium
A device has at least one sensor for determining one or more constituents of a medium flowing in an installation duct. The device has a housing and a main channel, which is connected to said...
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7330128 |
System and method for detecting radiological waste by trash collection vehicles
A system for detecting radiation that is embodied within a trash collection truck. The trash collection truck has a storage bin for holding compressed trash and a collection bin for temporarily...
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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...
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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...
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7308819 |
Gas measuring method inside a sealed container
A gas measuring method performs a gas measurement inside a sealed container provided with a pair of plates and an exhaust pipe having a breakable vacuum isolating member on at least one of the...
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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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7305865 |
Hydrocarbon reformer performance sensing system
In a fuel cell system, a reformer supplies reformate to a fuel cell stack. A portion of the reformate flow is diverted for analysis by a hydrocarbon analysis system. Residual hydrocarbons in the...
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7302829 |
Contactless humidity/chemical vapor sensor device and associated method of fabrication
The invention provides a contactless sensor device operable for sensing water vapor or a predetermined chemical vapor including a thin film, wherein the thin film includes a nanostructured sensing...
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7296458 |
Nickel-coated free-standing silicon carbide structure for sensing fluoro or halogen species in semiconductor processing systems, and processes of making and using same
A (MEMS)-based gas sensor assembly for detecting a fluorine-containing species in a gas containing same, e.g., an effluent of a semiconductor processing tool undergoing etch cleaning with HF, NF 3...
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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...
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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...
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7278291 |
Trace gas sensor with reduced degradation
The degradation over time that is commonly seen with analyte-binding proteins when used as sensors for trace amounts of an analyte in a gaseous mixture is reduced by maintaining the sensor in a...
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7275414 |
Extractive sampling system and method for measuring one or more molecular species
A non-contact, extractive sampling system and method is provided for measuring the exhaust gas composition and fine particle composition of exhaust emissions of various types of vehicles under...
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7275413 |
Methods, systems, circuits, and computer program products for determining polarization of a gas
A system for determining polarization of a gas comprises a container that contains the polarized gas. An oscillator circuit comprises an Nuclear Magnetic Resonance (NMR) coil that is positioned...
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7268662 |
Passive SAW-based hydrogen sensor and system
A hydrogen detecting system is characterized by a passive surface acoustic wave (SAW) sensor. The sensor includes a piezoelectric substrate having a self assembled monolayer arranged on at least a...
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7266991 |
Sensor for helium or hydrogen
The invention relates to a sensor ( 1 ) for helium or hydrogen with a vacuum-tight housing ( 2 ), wherein a gas consuming cold cathode array ( 3, 4 ) is arranged, in addition to a selectively...
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7266459 |
Gas detector and automobile ventilation system
It is an object of the invention to provide a gas detecting device capable of relieving the influence of an environment such as a temperature, a humidity or a wind velocity to detect a change in a...
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7257986 |
Gas sensor with increased measuring sensitivity
A gas sensor ( 1 ) with a detector element ( 2 ), which is specific to a gas to be measured and sends a measured signal that depends on the measured gas concentration, has increased measuring...
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7256052 |
Chemical reaction and analysis system
This invention is to a microreactor type of reaction and analysis system. The system includes a chemical reaction chamber having internal conduits through which a chemical reactant, such as a...
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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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7254984 |
Sensor
A sensor for measuring a physical property of a measuring gas, in particular the oxygen concentration or the temperature in the exhaust gas of an internal combustion engine in a motor vehicle, has...
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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...
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7249490 |
Isolated gas sensor configuration
A gas sensor assembly detects a constituent in a gaseous stream. The assembly comprises: (a) a mounting surface, (b) a sensor mounted on the mounting surface and sensor capable of generating a...
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7248993 |
Method for measuring remaining hydrogen capacity of hydrogen storage canister
Disclosed is a method for measuring the available remaining hydrogen capacity of a non-replaced hydrogen storage canister. After the original hydrogen capacity of the hydrogen storage canister is...
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7247494 |
Scanner with array anti-degradation features
A reader is provided that, itself, addresses the issue of damage or degradation to arrays within the reader by virtue of air exposure. In doing so, experimental variability is reduced, and...
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7243527 |
Sensing apparatus for a vehicle
The sensing apparatus for a vehicle includes a case having an opening part formed so as to communicate with an outside. A printed circuit board is disposed inside of the case, and includes a...
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7237429 |
Continuous-range hydrogen sensors
The present invention provides for novel hydrogen sensors and methods for making same. In some embodiments, such novel hydrogen sensors are continuous-range hydrogen sensors comprising Pd—Ag...
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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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7231810 |
Semiconductor type hydrogen sensor, detection method and hydrogen detecting device
The invention relates to a high sensitive semiconductor type hydrogen sensor, an alarm of hydrogen which incorporates this sensor and a method of sensing hydrogen concentrations by using this sensor.
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7231809 |
Oxygen monitoring device
A gas monitoring device for monitoring gas levels within a chamber is provided. The gas monitoring device includes a housing having a probe with a sensor disposed on the probe. The probe extends...
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7231806 |
Apparatus and method for rapidly, eco-friendly sample preparation prior to chromatographic determination of chemical substances
A method and apparatus for rapidly preprocessing and analyzing chemical substances, which places a vaporization bottle containing a sample inside a microwave device and uses a magneton driving...
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7225085 |
Precision gas flow meter
A precision gas flow meter that is capable of measuring small flow rates of gasses precisely in the range of 0.01 to 10 L per minute. The meter is designed to measure the gas flow in small volume...
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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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7221448 |
Test cell for a noble gas polarizer
The invention relates to a sample cell with a glass body comprising a gas inlet and a gas outlet and at least one orifice, a plane glass window is fused into the orifice, the shape and size of the...
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7216527 |
Gas detection device
A gas detector capable of accurately measuring particular components (odors or the like) contained in an ambient gas to be measured, being compact, and capable of being easily formed to be...
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