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7343782 System and method for performing quantifiable release spore testing on bioaerosol detection technologies  
A system for testing devices for detecting airborne particulate matter generates a first airflow and a second airflow. The second airflow is filtered to remove ambient airborne particulate matter...
7340942 Sensor including a sensor element having electrode terminals spaced apart from a connecting end thereof  
A sensor having a terminal connection structure in which an elongated sensor element ( 21 ) is inserted, from its rear end through relative movement, into a metallic-terminal-member retainer....
7318339 Gas sensor unit and sensor cap  
A gas sensor unit including a gas sensor and a sensor cap. The gas sensor includes a gas detecting element, an electrode provided on the gas detecting element and a sensor terminal connecting to...
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...
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...
7301125 Heater for optical gas sensor  
A heater for a window of an optical gas sensor is provided. The heater may be positioned over a portion of the window or may form at least a portion of the window. Alternatively, the heater may be...
7299679 Strobe desorption method for high boiling point materials  
The invention is directed to a system and method for detecting substances, such as high boiling and low vapor pressure materials, using high energy radiation imparted by a suitable radiation...
7287412 Method and apparatus for sensing hydrogen gas  
A hydrogen sensor and/or switch fabricated from an array of nanowires or a nanoparticle thick film composed of metal or metal alloys. The sensor and/or switch demonstrates a wide operating...
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...
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...
7260980 Liquid cell and passivated probe for atomic force microscopy and chemical sensing  
The invention provides a liquid cell for an atomic force microscope. The liquid cell includes a liquid cell housing with an internal cavity to contain a fluid, a plurality of conductive...
7260979 Oxygen sensor  
An oxygen sensor includes a sensor element, a holder having a hole through which the sensor element is arranged, a sealing positioning portion for sealing a clearance between the sensor element and...
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...
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...
7254985 Oxygen sensor and a manufacturing method of the sensor device  
The oxygen sensor of the present invention has excellent durability capable of effectively preventing contamination with lead or the like for a detection electrode even in low temperature exhaust...
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...
7244346 Concentration measuring mechanism, exposure apparatus, and device production method  
In a concentration measuring mechanism, a first concentration meter that measures the concentration of a first gas inside an enclosed space is isolated by an isolator in an isolatable space...
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.
7232545 Sensor for determining concentration of fluid sterilant  
A sensor for detecting hydrogen peroxide, comprising an element exhibiting piezoelectric properties having a metal-oxide-containing coating, the metal-oxide having a divalent or tetravalent state.
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.
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...
7228724 Apparatus and process for sensing target gas species in semiconductor processing systems  
A gas detector for detecting a fluoro gas species in a gaseous environment containing same, e.g., an effluent from a semiconductor processing tool that employs corrosive fluoro species such as HF,...
7228621 Inner terminal installation jig used to install an inner electrode terminal  
An inner terminal installation jig used to install an inner electrode terminal mount formed on an inner peripheral surface of a hollow cylindrical sensor element of a gas sensor.
7222408 Structure of gas sensor ensuring high degree of gas-tight seal  
An improved structure of a gas sensor is provided which is designed for achieving desired crimping of an end portion of a sensor housing to establish a higher degree of gas-tight seal between the...
7197912 Gas sensor seal and method of producing same  
A gas sensor seal ( 40 ) comprising a body ( 122 ), an upper portion having a flange ( 124 ), and at least one channel ( 130 ). The flange ( 124 ) has an extension ( 131 ) that extends from the...
7194891 High-temperature gas sensors  
A method of sensing the amount of a gas in a fluid flow includes operating an acoustic wave (AW) sensor at a first resonant frequency. The AW sensor includes a high temperature stable piezoelectric...
7188513 Detecting concealed security threats  
Systems, methods and apparatus for detecting concealed security threats by sampling molecules of substances for assessment wherein these molecules may be contained in the air in or near concealed...
7181840 Method of manufacturing a gas sensor  
An improved manufacturing method for a gas sensor is provided which is capable of establishing a required hermetic seal in a body of the gas sensor. The method includes preparing a sensor assembly...
7178382 Structure of gas sensor designed to reduce mechanical damage to sensor element  
An improved structure of a gas sensor designed to withstand physical impact which may result in damage such as cracks to a sensor element built in the gas sensor. Specifically, the gas sensor...
7174766 Calibration device for carbon dioxide sensor  
A self-calibrating carbon dioxide sensor that includes a carbon dioxide detector and a carbon dioxide gas generator. In some embodiments, the carbon dioxide gas generator includes a heating element...
7168423 Gas sensor units for engines  
In a multipurpose engine with a reduced or limited displacement adapted for use in a portable work machine or the like, the engine includes a detecting element of a gas sensor for controlling an...
7159445 Sniffing leak detector and method for operation thereof  
A sniffing leak detector includes a handpiece, supporting a sniffing tip, the detector further including a gas sensor. To promote longer life and obtaining more accurate results, the leak detector...
7159447 Gas sensor equipped with gas inlet designed to create desired flow of gas  
A gas sensor equipped with a protective gas cover which defines therein a gas chamber to which a sensor element is exposed. The protective gas cover has gas inlet holes through which gas to be...
7159444 Combustible gas detection systems and method thereof  
A system and method are provided for monitoring the levels of combustible gas in a gas stream. The system includes means for controlling the relative humidity of the the gas stream to maintain a...
7155959 Nanodisk sensor and sensor array  
The invention provides a sensor array with different nanodisk sensors that may be fabricated by direct site-specific dip-pen nanopatterning (DPN) using precursor inks. The good flow characteristics...
7155960 Temperature-programmed desorbed gas analyzing apparatus  
A temperature-programmed desorbed gas analyzing apparatus including a sample chamber 1 in which a sample S is disposed, an infrared heating furnace 2 for heating the sample S disposed in the...
7153582 Hyperbranched chemoselective silicon-based polymers for chemical sensor applications  
The invention provides a device for selective molecular recognition, the device comprising a sensing portion, wherein said sensing portion includes a substrate having coated thereon a layer...
7140229 Gas-monitoring assembly comprising one or more gas sensors and one or more getters, and method of using same  
The present invention relates to a gas-monitoring assembly and method for selectively determining the presence of a target gas in a gaseous environment that potentially comprises one or more...
7137287 Staged electrode carrier of an O2 sensor  
A staged electrode carrier of an O 2 sensor comprises a sensor; a detecting end carrier installed in the sensor; the detecting end carrier having a positive lead, a negative lead and a channel...
7134319 Acoustic wave sensor with reduced condensation and recovery time  
An acoustic wave sensor apparatus is disclosed, which generally includes a piezoelectric substrate having a surface thereon. One or more interdigital transducers and a passivation layer can be...
7134317 Method of detecting a hydrogen concentration and apparatus for detecting hydrogen  
In a hydrogen concentration detecting method of detecting whether the hydrogen concentration is equal to or higher than a reference concentration; using a hydrogen detecting apparatus 1 ...
7132294 Functionalized small molecules for use in chemical sensors  
The invention provides a device for selective molecular recognition, the device comprising a sensing portion, wherein said sensing portion includes a substrate having coated thereon a layer...
7127935 Wireless gas composition sensor system  
A sensor system for detecting the presence of at least one specific component in a fluid medium such as an exhaust gas. A sensor is mounted in a sensor body for detecting the presence of at least...
7124623 Gas sensor  
A gas sensor having a first end and a second end includes a hollow cylindrical housing having a flange which protrudes from outer periphery thereof, a sensing element fixed in the housing, and a...
7124622 Sensing element for determining a physical property of a gas mixture  
A sensing element for determining a physical property of a gas mixture, in particular the exhaust gas of internal combustion engines, includes a sensor element, arranged in a housing and connected...
7114325 Control system with a sensor  
An improved engine control system using a NOx sensor is disclosed. In one example, the NOx sensor structure and/or signals are modified to improve distance transmission of NOx sensor output signals...
7104112 Phased micro analyzer IV  
A fluid analyzer having a concentrator and separator for concentrating and separating fluid samples at pressures up to about 10,000 psi (˜700 bar). The concentrator and separator may consist of a...
7104113 Miniaturized multi-gas and vapor sensor devices and associated methods of fabrication  
The invention provides a miniaturized sensor device including a thin film membrane having a first surface and a second surface, one or more resistive thin film heater/thermometer devices disposed...
7100424 Apparatus for accessing container security threats and method of use  
A system and method for accessing the security threat of a cargo container by sampling the air contained therein. The system is capable of analyzing the air disposed within the container for...
7096717 Control device of gas sensor  
When the ignition switch of a vehicle is turned OFF, a purging process for increasing the flow of an off-gas fluidizing in each of the outlet side pipings of a fuel cell and discharging water...