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| Number | Title | Issue Date |
| 7963146 | Method and system for detecting vapors A method and system may include receiving a sample gas from an ambient environment on a first surface of a selective isolation device within an inlet assembly, dispersing the sample gas in substantially a first direction along the first surface, and circulating a ca... | 06/21/2011 |
| 7946152 | Apparatus and method for measuring the concentration of organic gas In a measuring apparatus, an atmosphere to be inspected taken out from a space to be inspected in a processing system is analyzed for organic gas concentration. The apparatus is provided with a collector having an approach connected to the space to be inspected. The... | 05/24/2011 |
| 7900501 | Air quality monitor An air quality monitor having multiple sensors deployed in an electric circuit returns a single sign indication of atmospheric impurity regardless of whether the impurity gas is of the oxidizing or reducing type. Each sensor employs a gas sensitive material that exh... | 03/08/2011 |
| 7726177 | Environmental hazard sensor An apparatus for sensing a constituent in an environment including a sensor circuit and a suppression circuit. The sensor circuit has a sensor element and an operating state control element. The sensor element senses the constituent by presenting an electrical param... | 06/01/2010 |
| 7607338 | Handheld instrument for monitoring and/or identification of chemicals A Computer Vision Chemical Detector has been developed that uses invertebrate organisms trained to respond to targeted chemical odors. ... | 10/27/2009 |
| 7430893 | Systems and methods for detecting contaminants The present invention relates to a system and method for sampling a gas flow to measure one or more contaminants within a semiconductor processing tool. The system includes a portable unit containing one or more dry traps, Tenax traps and, if desired, wet impingers.... | 10/07/2008 |
| 7392689 | Sample collection apparatus for analysis of air pollution comprising moisture pretreatment means Disclosed herein is a sample collection apparatus which includes a pretreatment unit arranged in front of a sample collection section to remove moisture, a first Peltier trap positioned at the lower side of the pretreatment unit to perform cooling condensation and t... | 07/01/2008 |
| 7389158 | Method of making comparisons of indoor air quality scores An air monitoring system is disclosed having an air monitoring unit with at least one sensor for measuring data of an air quality parameter and a computer for storing the air quality parameter data received from the sensor. The air monitoring unit may use an install... | 06/17/2008 |
| 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 probe and into a emission monitoring device. The device then sends and st... | 05/06/2008 |
| 7350427 | Sorbent collector material based on polyorganosiloxane The invention relates to a sorbent collector material based on polyorganosiloxane for the microextraction of substances to be analysed, the collector material having an open-cell foam structure, and to a collector and a liner which include this collector material. | 04/01/2008 |
| 7352994 | Method, system and recording medium using a relay device for detecting and inhibiting communication A relay device includes a first signal reception unit receiving a signal from the outside, a first radio communication unit transmitting the signal by radio that is received by the first signal reception unit, a second radio communication unit provided separately fr... | 04/01/2008 |
| 7347112 | Air sampler with integrated airflow sensing Air sampler with integrated airflow sensing. The air sampler according to at least some embodiments includes an air mover that is operable to move air over a sampling media. An integrated airflow sensor is in fluid communication with the air mover. The air mover ope... | 03/25/2008 |
| 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 from the second airflow, and particulate matter to be detected is aero... | 03/18/2008 |
| 7345590 | Wireless terminal with gas leakage detection function, gas leakage detection system using the same, and gas leakage notification method In a hydrogen gas station where a great number of sensors are installed, in case hydrogen leakage occurs, sensors in the vicinity of the leakage location start to transmit a warning to an access point all at once. This causes channel capacity saturation and failure ... | 03/18/2008 |
| 7310992 | Device for continuous real-time monitoring of ambient air The present invention provides a device for continuous real-time monitoring of ambient air. The device includes a receptacle, a liquid supply, and a pressure balancing system. The receptacle includes a gas inlet slit located such that the gas inlet slit is covered b... | 12/25/2007 |
| 7299710 | Hand-held trace vapor/particle sampling system A sampling system that contains filter components for collecting and concentrating vapor and particles in high-volume flows. The sample is then vaporized and delivered to a detector at a low-volume flow. The invention also has a sampling probe that contains an air-j... | 11/27/2007 |
| 7296459 | Avatar refrigerator, and method for sensing contamination of the same The present invention discloses a refrigerator for storing foods at a low temperature. An avatar refrigerator and a method for sensing contamination of the same receive measurement values from various sensors installed around the refrigerator in a contamination sens... | 11/20/2007 |
| 7291781 | Complex oxide having n-type thermoelectric characteristics The present invention provides a complex oxide having a composition represented by the formula La1−xMxNiO2.7−3.3 or (La1−xMx)2NiO3.6−4.4 (wherein M is at least one element selected ... | 11/06/2007 |
| 7285247 | Apparatus and method for operating a fuel reformer so as to purge soot therefrom A method of operating a fuel reformer includes advancing a first air/fuel mixture having a first air-to-fuel ratio into the fuel reformer. The method further includes determining if a soot purge is to be performed and generating a purge-soot signal in response there... | 10/23/2007 |
| 7285782 | Infrared sensor with explosion-proof protection for gas metering appliances An infrared sensor for gas metering appliances consisting of a metering chamber with an infrared source and an infrared sensor. The metering chamber is connected to the atmosphere via an anti-dust and anti-damp filter. The metering chamber is arranged in a protectiv... | 10/23/2007 |
| 7259374 | Method for detecting a gas species using a super tube waveguide A method for detecting the concentration of one or more gas species by using infrared radiation emitted from one or more sources into a sample cell which is a hollow waveguide with multiple bends collectively greater than 180 degrees in three dimensions, the infrare... | 08/21/2007 |
| 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 detectable signal in the presence of the constituent, and (c) an enclosin... | 07/31/2007 |
| 7244281 | Method and apparatus for trapping and purging soot from a fuel reformer A plasma fuel reformer assembly for producing reformate gas includes a fuel reformer having an air/fuel input assembly, an electrode assembly, and a soot trap positioned downstream of the electrode assembly. The electrode assembly includes a first electrode and a se... | 07/17/2007 |
| 7231808 | Method and apparatus for measuring oxygen content A method and apparatus for measuring the oxygen content in a closed target space, particularly for monitoring inertization levels in an inert gas device for fire prevention and/or fire extinguishing. Toward the aim of proposing a method for measuring the oxygen cont... | 06/19/2007 |
| 7208123 | Molecular contamination monitoring system and method A flow-through monitor for detecting molecular contamination (MC) within a fluid flow. The monitor has a diffusion chamber having an inlet port and an outlet port, and a structure for supporting a fluid flow from the inlet port to the outlet port. The structure incl... | 04/24/2007 |
| 7204125 | Pressure activated sampling system Screening of items for the presence of contaminants, such as explosives residue, is accomplished by subjecting an item loaded into a pressure chamber to a pressure substantially in excess of atmospheric pressure conditions and rapidly decompressing the item to the a... | 04/17/2007 |
| 7201036 | Residual life indicating system A residual life indicating system for a filter includes a main filter, a sampling filter, and a sensor. Both the main filter and the sampling filter receive an ambient gas meant to be filtered. The sensor connects to the sampling filter and senses the presence of a ... | 04/10/2007 |
| 7188538 | Hazardous material detector for detecting hazardous material in a mailstream The invention disclosed herein relates generally to mailpieces and more particularly, a hazardous material detector for detecting hazardous material in a mail stream. The present invention is directed, in general to detector for collecting sample (s) of hazardous ma... | 03/13/2007 |
| 7186565 | Sampling and toxicity monitoring device and method A method and apparatus for testing an aqueous or gaseous environment for the presence of at least one chemical is provided in order to determine the toxicity of the chemical and optionally, the quantity and identity of the chemical. ... | 03/06/2007 |
| 7183115 | Gas sample analysis system A gas analyzer system for analyzing samples of compressed or ambient gas such as breathing air within a scuba tank, SCBA or ambient air within an industrial plant and informing the user as to the results of the sample's gas purity without the gas sample having to be... | 02/27/2007 |
| 7178381 | Portable gas detector The invention provides a portable gas detector which is equipped with filters for removal of interfering gases, high in convenience for use, easy to exchange the filters, and easy to confirm the time the filters are exchanged. The portable gas detector has a housing... | 02/20/2007 |
| 7175885 | Compositionally different polymer-based sensor elements and methods for preparing same The present invention provides a combinatorial approach for preparing arrays of chemically sensitive polymer-based sensors which are capable of detecting the presence of a chemical analyte in a fluid in contact therewith. The described methods and devices comprise c... | 02/13/2007 |
| 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 and a carbon dioxide gas releasing solid material in thermal communi... | 02/13/2007 |
| 7155343 | Nanocircuitry for sensing, recording and outputting data The device implements nanotechnology by embedding nanocircuits with sensors to surfaces such as walls, wall coverings, clothing, windows, window coverings, flooring, roofs, roadways and telephone poles. Using a plurality of nanocircuits in a multitude of locations, ... | 12/26/2006 |
| 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 comprising a non-volatile, small molecule compound having at least two penda... | 11/07/2006 |
| 7122065 | Adapter for low volume air sampler An adapter for use with a low volume PUF sampler is described. The adapter is affixed over the open end of a PUF (polyurethane foam) sample cartridge. Sample tubing is affixed to an aperture in the adapter, and the free end of the sample tubing is then positioned at... | 10/17/2006 |
| 7119337 | Infrared radiation sources, sensors and source combinations, and methods of manufacture A blackbody radiation device (110) includes a planar filament emission element (102) and a planar detector (104) for respectively producing and detecting radiation having width dl/1 less than about 0.1 to test a sample gas, where 1 is the wavele... | 10/10/2006 |
| 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 so that at least some processing electronics can be relocated remote... | 10/03/2006 |
| 7111409 | Device and method providing a straight edge along an object A device for providing a generally straight edge along a surface of an object includes a generally cylindrical body and a locking component for engaging the device with the object. The generally cylindrical body is configured having multiple layers that may be align... | 09/26/2006 |
| 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 security threats including chemical, biological, radiological, nuclear, and... | 09/05/2006 |
