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| Number | Title | Issue Date |
| 8127595 | Pre-concentrator and sample interface This invention describes a multi-stage pre-concentrator device for use with a detector system. One pre-concentrator stage is detachable and may be used to collect sample remotely from the detection system. The detachable pre-concentrator stage mates with the detecto... | 03/06/2012 |
| 8056395 | Method for detecting a chemical substance The present invention provides a method for detecting easily and efficiently a chemical substance contained in a gas sample at an ultralow amount. The present invention is directed to detecting method of a chemical substance contained in a gas sample, using a... | 11/15/2011 |
| 7908902 | Amplified sensitivity of porous chemosensors based on bernoulli effect A method of vapor sampling and its delivery to the porous sensory element(s) employed in chemical detectors/sensors for vapor(s) identification and quantification. The sampling and delivery system comprises a flow cell in which a sensory membrane is placed parallel ... | 03/22/2011 |
| 7841227 | Device for passing through a gas mixture A device for passing through a gas mixture comprises a capillary apparatus with one or more capillaries connecting a first side of the capillary apparatus to a second side of the capillary apparatus, wherein each capillary tapers from one side towards the other side... | 11/30/2010 |
| 7690241 | Pre-concentrator for trace gas analysis A continuously operating pre-concentrator for trace gas analysis includes a flow channel, a pumping chamber, and a separation membrane between the flow channel and the pumping chamber. The flow channel has a width that decreases from the inlet to the outlet in such ... | 04/06/2010 |
| 7458248 | Method and apparatus to detect genuine or hoax contaminants A system (100) and method for detecting contaminants in parcels or other mailings (110). The contaminants, either genuine or hoax, are detected using the system (100) that includes a jogger (140) that shakes the parcels or other mailings ... | 12/02/2008 |
| 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 deflected to a greater extent than particles of a second group are de... | 08/26/2008 |
| 7360397 | Detector with condenser An ambient condition detector has a housing that carries a sensor of an airborne constituent such as a gas, and a condenser for minimizing an inflow of moisture into the sensor. A filter can be used to reduce fluid flow velocity prior to passing through or by the co... | 04/22/2008 |
| 7360398 | Receptacle for sensors A receptacle for sensors insertable into a gas stream, houses at least one sensor for controlling at least one physical/chemical parameter of the gas stream, and is defined by at least one boundary wall, at least part of which is defined by a filtering element perme... | 04/22/2008 |
| 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 |
| 7325439 | Fluid permeability measurement system and method A system for measuring the permeance of a material. The permeability of the material may also be derived. The system provides a liquid or high concentration fluid bath on one side of a material test sample, and a gas flow across the opposing side of the material tes... | 02/05/2008 |
| 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 sensors, and includes a first intake associated with the lesser demand se... | 01/01/2008 |
| 7304580 | Intelligent medical vigilance system An intelligent medical vigilance system that observes and analyzes, and, only in the event of a clinically significant negative condition, notifies and reports the event to the care staff utilizing the hospital's existing nurse call system. The device includes a bed... | 12/04/2007 |
| 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 |
| 7291114 | System and method of determining an individualized drug administration protocol A system and method for determining an individualized drug dosage is provided. The system includes a metabolic rate sensing means for sensing the metabolic rate of the individual. The system also includes a computing device having a processor, a memory, an input dev... | 11/06/2007 |
| 7281439 | Volatile organic compound monitoring A system, method and apparatus for monitoring the subsurface at facilities for the presence of volatile organic compounds (VOCs). A surface penetration is made in a facility surface providing access to the subsurface soil beneath the facility. A soil probe is placed... | 10/16/2007 |
| 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 inconspicuous and on-board a vehicle, having a passive measurement mod... | 10/09/2007 |
| 7270019 | Collecting line assembly for monitoring and locating leaks An assembly for monitoring and locating leaks in an installation includes a collecting line formed of a material that is impermeable to a substance to be monitored. The collecting line has a multiplicity of openings spaced apart in its longitudinal direction. The op... | 09/18/2007 |
| 7240546 | Method and apparatus for downhole detection of CO2 and H2S using resonators coated with CO2 and H2S sorbents A formation fluid sample is exposed to a rigidly-supported semi-permeable membrane such as silicone rubber to permit diffusion of gases and vapors from the formation fluid into a vacuum chamber, while at the same time, blocking the passage of any liquids. The membra... | 07/10/2007 |
| 7222517 | Method for determining the characteristic properties of soot particles A method for determining the characteristic properties of soot particles originating from combustion processes utilizes the determination of the blackening of a filter paper. In order to allow for achieving a quick and relatively accurate determination of the partic... | 05/29/2007 |
| 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 |
| 7201874 | System for automatically extracting and analyzing residual solvents in material samples A system for quickly and automatically extracting and analysing residual solvents is realised for operating directly in the premises where the packing materials are being manufactured, printed and/or laminated. The system provides for a single unit equipped w... | 04/10/2007 |
| 7191805 | Fueling nozzle with integral molecular leak sensor A method for detecting the undesirable entry of oxygen into a transfer system that transfers liquid hydrogen from a liquid hydrogen source into a container. A nozzle for use in the transfer system for dispensing liquid hydrogen comprises a housing and an oxygen sens... | 03/20/2007 |
| 7171862 | Package biochemical hazard and contraband detector The disclosed apparatus and methods allow collection of concentrated samples of content in shipping packages without unsealing the package by forcing airflow via existing hidden gaps or, if necessary, creating one by a small incision. The air is injected into the hi... | 02/06/2007 |
| 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 humidity level in the performance range of combustible gas sensors. A n... | 01/09/2007 |
| 7159625 | Device for verifying amount of dispensed gasoline and method of use A device for verifying the amount of gasoline dispended by a gasoline pump is disclosed. The device comprises a housing containing a flow meter with said housing adapted to receive a gas pump nozzle and having an exit nozzle which is received by an intake gasoline c... | 01/09/2007 |
| 7153272 | Methods of collecting and analyzing human breath The present invention provides methods of collecting and detecting compounds in a human breath sample, comprising: exhaling into a handheld sample collector to absorb at least one breath compound in an exhaled breath collector of said collector; connecting the handh... | 12/26/2006 |
| 7151447 | Detection and identification of threats hidden inside cargo shipments A method for identifying at least one threat to the homeland security. Each threat is either hidden inside at least one cargo container before transit, or is placed inside at least one cargo container while in transit. Each threat while interacting with its surround... | 12/19/2006 |
| 7141786 | Particle sampling preconcentrator An apparatus is provided for identifying trace amounts of substances of interest in an air flow. The apparatus includes an inlet for receiving the air flow and an outlet for exhausting major portions of the air flow. The outlet is offset from the inlet. A porous imp... | 11/28/2006 |
| 7121134 | Integrated sample cell and filter and system using same Sidestream gas sampling assembly that does not substantially degrade the waveform of expired gases. The gas sampling assembly includes a sample cell portion integrated with a filter portion for separating undesired liquid condensate from respiratory gases to be moni... | 10/17/2006 |
| 7117903 | System for detecting liquid fuel blockages in the vapor return line of a fuel dispenser A vapor collection testing device is held in one hand and a fuel dispensing nozzle for a fuel dispensing system to be tested is held in the other hand of an operator. The device is slipped over the spout of the nozzle and pushed against the boot of the nozzle (if so... | 10/10/2006 |
| 7114369 | Systems and methods for residue collection Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other “flats” of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfa... | 10/03/2006 |
| 7112447 | Hand held gas analyzer A lightweight and portable analyzer is provided. At least one component of the analyzer is made from a lightweight material, such as ABS. A manifold can have a plate and gas passages ultrasonically welded together. By having at least one component made from a lightw... | 09/26/2006 |
| 7089781 | Detector with condenser An ambient condition detector has a housing that carries a sensor of an airborne constituent such as a gas, and a condenser for minimizing an inflow of moisture into the sensor. A filter can be used to reduce fluid flow velocity prior to passing through or by the co... | 08/15/2006 |
| 7062953 | Sampling tube-type smoke detector In a sampling tube-type smoke detector equipped with a smoke detection device detects smoke particles contained in the air suctioned from a monitored area through a sampling tube by an aspirator positioned in the downstream. The smoke detection device the sampling t... | 06/20/2006 |
| 7059170 | Method and apparatus for measuring relative humidity of a mixture A method and apparatus for measuring relative humidity of a mixture that provides a quick response time for thermal lag while affording protection to fragile sensors. In one aspect, the invention is an apparatus comprising: a chamber having a membrane covering an op... | 06/13/2006 |
| 7055369 | Gas detector having clog-resistant intake filter and protective cap A gas detector having an intake to let in the gas to be detected and detecting the gas let in through the intake by a gas sensor, in which a porous film is horizontally arranged over the gas intake, in order to prevent the gas permeability of the porous film from be... | 06/06/2006 |
| 7048776 | Advanced air cleaning system and method A method and system removes nuclear, biological and chemical (NBC) agents from an air stream from a facility HVAC. The system includes an irradiation zone, a saturation zone and a precipitation zone. A contaminant detection apparatus controls the irradiation, satura... | 05/23/2006 |
| 7032467 | Package biochemical hazard and contraband detector This apparatus and method allows collection concentrated sample of content in shipping packages without unsealing the package by forcing airflow via existing hidden gaps or, if necessary, creating one by a small incision. The air is injected into the hidden gaps by ... | 04/25/2006 |
| 7028724 | Fueling nozzle with integral molecular leak sensor An apparatus and process for measuring the concentration of hydrogen gas being transferred through a nozzle from a source container to a destination container and for providing an alert and/or taking action where hydrogen gas leaks may create an unsafe condition. Th... | 04/18/2006 |
