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| Number | Title | Issue Date |
| 7520158 | Method and apparatus for reservoir characterization using photoacoustic spectroscopy A method and apparatus are provided that assess reservoir compartmentalization by determining whether there are compositional differences such as whether the isotopic ratios of carbon (13C/12C) or of oxygen (17O/18O) are the same or different in various parts of the... | 04/21/2009 |
| 7434446 | System for the transfer and sensing of gas dissolved in liquid under pressure A gas separation system for extraction of gas from pressurized fluid has a gas sampling interface and gas circulation tubing to pass sampled gas to a gas sensor to determine the character or a property of the gas. The gas sampling interface includes a semi-permeable... | 10/14/2008 |
| 7425303 | Automatic analyzer Disclosed is an automatic analyzer that includes a reagent vessel for containing a reagent, a pipette probe that has a liquid surface detection function and dispenses a reagent from the reagent vessel, a reaction vessel for containing a reagent that is dispensed fro... | 09/16/2008 |
| 7421881 | Method and system for degassing a fluid Disclosed herein is a system for degassing a fluid including a sample probe in operable communication with a pump which is in operable communication with a gas trap wherein one or more nozzles are located to accelerate and expel the fluid into the gas trap thereby l... | 09/09/2008 |
| 7380438 | Apparatus and method for providing a fluid cut measurement of a multi-liquid mixture compensated for entrained gas An apparatus for determining a fluid cut measurement of a multi-liquid mixture includes a first device configured to sense at least one parameter of the mixture to determine a fluid cut of a liquid in the mixture. A second device is configured to determine a concent... | 06/03/2008 |
| 7377148 | Capacitor-based gas detection in an intravenous fluid delivery system An air or gas bubble detection system detects the presence of liquid in intravenous (IV) tubing. By detecting the presence of liquid rather than gas, false alarms due to micro bubbles or small air gaps between the sensor and the tubing are avoided. ... | 05/27/2008 |
| 7361509 | Dynamic metered fluid volume determination method and related apparatus A method for dynamically determining the volume of a liquid dispensed by a metering system, the metering system including a metering pump, a pump motor, a sensor, and a conduit interconnecting the pump and a metering probe. The method includes the steps of aspiratin... | 04/22/2008 |
| 7356420 | Analyzing system for the detection of reducing and oxidizing gases in a carrier gas with a metal-oxide-semiconductor sensor arrangement Analyzing system for the detection of reducing and oxidizing gases in a carrier gas, wherein the detection means are sensors based on semiconductor-type metal oxides that work in the absence of oxygen. The system includes means for connecting to a chamber which cont... | 04/08/2008 |
| 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 |
| 7302827 | Method and apparatus for measuring gas concentration levels in liquids A method and apparatus for measuring the concentration of gas, such as hydrogen, in a liquid, such as molten aluminum, without requiring a bias or adjustment to compensate for variations in ambient conditions, such as humidity. A measurement system includes a probe ... | 12/04/2007 |
| 7294278 | Method for oxygenating wastewater A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo... | 11/13/2007 |
| 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 |
| 7273561 | Method for determining the chemical dosage required to reduce sulfides in wastewater to acceptable levels An apparatus and method of determining chemical dosage required to reduce sulfides in wastewater includes providing a headspace apart from the wastewater. The temperature of the wastewater and the concentration of sulfide gas in the headspace are measured. Dissolved... | 09/25/2007 |
| 7266993 | Container leak detection apparatus and method An apparatus and method for testing a container as to leakage and defects. The apparatus is especially useful for testing plastic bottles because it does not contact one or more of the bottle sides during testing. A frame with the test components may be adjusted so ... | 09/11/2007 |
| 7257988 | Densitometer with pulsing pressure Techniques for measuring a density of a liquid within a fluid that includes both a liquid and a gas are described. A pressure of the fluid oscillates according to a time-varying function, which causes a density of the fluid also to oscillate according to the same ti... | 08/21/2007 |
| 7257985 | Apparatus and method for real time determination of density and related parameters in manufacturing processes Methods and apparati for measuring entrained gas content. One of the disclosed apparatus embodiments includes a chamber and piping for process fluid, the piping including two different sectors each comprising a density and temperature gauge having a pressure gauge l... | 08/21/2007 |
| 7221169 | Ultra-wide band pulse dispersion spectrometry method and apparatus providing multi-component composition analysis Embodiments cause interaction of an ultra-wide band signal with a substance over a broad range of frequencies simultaneously to obtain a response signal whose distortion is indicative of a composition of the substance. ... | 05/22/2007 |
| 7215988 | Sensor for measuring tissue perfusion The invention relates to a method and a sensor for measurement of tissue perfusion. The sensor is provided with a reservoir (4) for a fluid or gaseous tracer and a tracer-permeable barrier (3), a sub-surface of which is in contact with the surrounding ... | 05/08/2007 |
| 7208709 | Pressure measurement in microwave-assisted chemical synthesis A pressure-measuring vessel system for microwave assisted chemical processes is disclosed. The vessel system includes a pressure resistant vessel that is otherwise transparent to microwave radiation, a pressure-resistant closure for the mouth of the vessel, with por... | 04/24/2007 |
| 7201072 | Automated sampling device The present invention is directed to an automated sampling and/or dispensing device for minimizing possible sample contamination from contaminants (e.g., mechanical pieces of machinery, dust, or the like) falling into sample vials during analysis by having no mechan... | 04/10/2007 |
| 7194919 | Acoustically coupled ultrasonic transit time flow sensors A transit time ultrasound sensor is employed for the measurement of liquid flow in a conduit, the sensor having an acoustic path formed of materials matched in ultrasound properties to the flow under test, and designed to conform to the shape of the conduit. The sen... | 03/27/2007 |
| 7159443 | Simple dissolved carbon dioxide analyzer The present invention relates to a new concept in measuring the dissolved gas levels in supersaturated liquid streams. In particular, the new device is specifically applicable to the measurement of carbonation levels in soft drinks. The measurement is made by permit... | 01/09/2007 |
| 7107896 | Method and device for inerting a vat for consumable liquid, in particular wine, and corresponding inerting gas A method of inerting a vat including an upper wall and containing a consumable liquid and an overhead gas, comprising the steps of injecting an inerting gas heavier than air at a velocity into the overhead gas above a free surface ... | 09/19/2006 |
| 7086274 | Method and apparatus for measuring gas concentration levels in liquids A method and apparatus for measuring the concentration of gas, such as hydrogen, in a liquid, such as molten aluminum, without requiring a bias or adjustment to compensate for variations in ambient conditions, such as humidity. A measurement system includes a probe ... | 08/08/2006 |
| 7059169 | Fluid aeration test apparatus and method A test apparatus for measuring the air entrainment characteristics of a fluid includes a reservoir for containing the fluid, an aerator apparatus to cause air entrainment of the fluid, and a density meter to measure the effects of air entrainment on fluid density. T... | 06/13/2006 |
| 7040142 | Method and apparatus for leak detection in blood circuits combining external fluid detection and air infiltration detection One of the most significant safety concerns in the automation of extracorporeal blood treatments such as dialysis is the risk of blood leakage. Extracorporeal blood treatment systems draw blood at such a high rate that a loss of integrity in the blood circuit can be... | 05/09/2006 |
| 7017388 | Determination of gas-free densities and relative amounts of gases in liquids in manufacturing processes Improved control of continuous processes that handle liquids. Data generated by this invention is used to control gas contents of liquids within optimum ranges, for instance in paper coating processes and in the manufacture of food products (ketchup), personal care ... | 03/28/2006 |
| 7013703 | System and method of evaluating or calibrating a bubble detector A bubble detector utilizes an ultrasonic transducer to sample bubbles as they pass the transducer. The envelope of the return signal is analyzed to determine the volume of each sampled bubble. If the total volume of bubbles sampled within a certain period of time ex... | 03/21/2006 |
| 7007541 | Multi-parameter monitoring system A plurality of multi-parameter monitoring tool assemblies are connectable over a communications network and are further in communication with a central controller. Each of the tool assemblies is configured to interconnect with one or more sensor head components whic... | 03/07/2006 |
| 7008535 | Apparatus for oxygenating wastewater A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo... | 03/07/2006 |
| 7005991 | Method for anticipating, delaying and/or preventing the risk of spontaneous combustion and/or explosion of an explosive atmosphere The invention concerns a method for anticipating and/or delaying and/or preventing the risk of spontaneous combustion and/or explosion of an explosive atmosphere preserved in a confined or semi-confined medium, which consists in measuring the temperature of the mixi... | 02/28/2006 |
| 6974705 | Method for determining the concentration of gas in a liquid A method for determining a correction factor for use in analysing the concentration of a gas in a liquid is described. The correction factor is determined by measuring the output concentration of the gas in the liquid as the gases saturation limit in that liquid. Th... | 12/13/2005 |
| 6969865 | Systems and methods for detection and measurement of elements in a medium Systems and associated methods are provided for improving detection and measurement of elements in a medium, particularly the measurement of gaseous bubbles in liquid medium, such as blood injected into a patient's body. The systems include a radiation emitter to em... | 11/29/2005 |
| 6942304 | Electronically controllable brake actuating system The present invention discloses an electronically controllable brake actuating system for automotive vehicles, including an unpressurized pressure fluid supply reservoir, a pressure source actuatable by an electronic control unit, the pressure of which can be applie... | 09/13/2005 |
| 6941825 | Analytical devices based on diffusion boundary layer calibration and quantitative sorption A method and device for determining the concentration of analytes in a sample. The device has a surface with an extraction coating thereon. The method is carried out while the sample is highly agitated to maintain a substantially constant boundary layer. The sample ... | 09/13/2005 |
| 6925887 | Blast pressure gauge An apparatus for measuring pressure includes a cylindrical tube having an open end and a closed end; a piston disposed in the cylindrical tube at the open end; an accelerometer attached to a side of the piston that faces the closed end of the tube, the accelerometer... | 08/09/2005 |
| 6881585 | Method and apparatus for rapid screening of volatiles In one embodiment, the present method includes the steps of introducing a volume of a sample into a vapor delivery line and volatilizing at least a portion of the volume as it is carried through the vapor delivery line. At least a portion of the volatilized volume c... | 04/19/2005 |
| 6834536 | Probe for measuring alcohol in liquids A probe (1) for quantitatively measuring volatile components of a liquid (2) includes a measurement gas space (3) separated from the liquid (4) by a permeation membrane (5). The membrane (5) is permeable for the volatile com... | 12/28/2004 |
| 6766680 | Determination of gas solubility, entrained gas content, and true liquid density in manufacturing processes Improved control of continuous processes that handle liquids. Data generated by this invention is used to control gas contents of liquids within optimum ranges, for instance in paper coating processes and in the manufacture of food products (ketchup), personal care ... | 07/27/2004 |
| 6746863 | Sterilizable probe for extraction of volatile compounds in liquids and their quantitative determination An improved tube probe for measuring volatile compounds in a liquid or gas contained in a reactor or in any other environment is disclosed. The probe is made of a single piece of metal, to one end of which is attached a gas permeable tubing, threaded on a supporting... | 06/08/2004 |
