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| Number | Title | Issue Date |
| 7270325 | Sheet feeding apparatus, image reading apparatus, and method of detecting double feed A sheet feeding apparatus includes first and second transport devices disposed at a transport guide with a distance in between for nipping and transporting a sheet, and a double feed detection device disposed between the first transport device and the second transpo... | 09/18/2007 |
| 7268352 | Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrument The invention relates to an apparatus and a method for improved correction of drift in an infrared measuring instrument. The measurement signal furnished by a thermal detector is split into a direct voltage component and an alternating voltage component. By means of... | 09/11/2007 |
| 7258098 | Vehicle mounted type fuel testing apparatus A vehicle mounted type fuel testing apparatus comprises a fuel chamber; a first fuel pump for supplying fuel in the fuel chamber to a sample holding container and an auxiliary fuel tank; an analyzing device for analyzing constituents of the fuel accommodated in the ... | 08/21/2007 |
| 7183945 | Method and system for video capture of vehicle information A system for collecting and managing information relating to vehicles includes a digital image collection system positioned to capture an image of a vehicle travelling along a roadway. The captured images are delivered to a computer program memory via a communicatio... | 02/27/2007 |
| 7178416 | Radio frequency identification (RFID) test information control and tracking system In one embodiment, a system for analytical testing comprises a test cartridge for use in conducting an analytical test including a test medium and an RFID device. An encoding device is provided adapted to preprogram the RFID with information relating to the test. An... | 02/20/2007 |
| 7150996 | Stability assessment of dispersions and emulsions A method and apparatus for determining the stability of dispersions and emulsions accelerates the onset of significant particle agglomeration in a sample by stressing the sample by reducing the height of the interparticle potential energy barrier between the particl... | 12/19/2006 |
| 7141141 | Apparatus and method for determination and control of paper web qualities on a papermaking machine The invention relates to an apparatus for the on-line determination of paper web moisture content and/or temperature on the dryer section of a papermaking machine. The apparatus is designed to form, in combination with a doctor means and/or a packet ventilating tube... | 11/28/2006 |
| 7131317 | Method and device for evaluating physical parameters of an underground deposit from rock cuttings sampled therein A method and device evaluate simultaneously, with the same equipment, physical parameters such as the absolute permeability and the porosity of fragments taken from a fragmented natural or artificial porous medium. The porosity of the fragments is measured by means ... | 11/07/2006 |
| 7017392 | System for monitoring dilution The system for monitoring dilution has a commodity being stored separately from a first fluid. The commodity has a predetermined distinguishing parameter (DP2) and the first fluid has a predetermined distinguishing parameter (DP1) being different from ... | 03/28/2006 |
| 6952641 | Software architecture of an integrated host system for sensed vehicle data A system for processing sensed vehicle data includes a sensor for sensing data related to at least one characteristic of a passing vehicle and a host unit that receives sensed data from the sensor. The sensor and the host unit are integrated into a single housing. T... | 10/04/2005 |
| 6858198 | Method for regulating water concentration in a process stream Provided is a method for regulating the concentration of water in the acid feed stream in a process for the production of HF by the reaction with a fluorine containing material, the method comprising: (a) providing an acid feed str... | 02/22/2005 |
| 6779383 | Wiper and brush device for cleaning water quality sensors A sonde comprising a first sensor and a second sensor adjacent the first sensor, the first sensor including an optical window and a wiper element, the wiper element rotating on a shaft extending from the first sensor so as to clean debris from the window, a brush ex... | 08/24/2004 |
| 6746610 | Oil system, in particular a hydraulic or lubricating oil system The invention relates to an oil system, in particular a hydraulic oil system or a lubricating oil system, comprising a sensor for monitoring the impurity content of the oil in the oil system, the sensor detecting a value which is correlated with the impurity content... | 06/08/2004 |
| 6702774 | Method of measuring dialysis or clearance of hemodialysis systems A method for measurement of mass and energy transfer parameters (clearance and dialysance) in hemodialysis. A sensor is provided in the dialysate flow path downstream of the dialyzer and means are provided to add concentrate upstream of the dialyzer. A pr... | 03/09/2004 |
| 6696966 | Automatic salt level monitor for a water softening device The present invention provides an automatic monitor for use in a tank with a water soluble softening agent. The monitor includes a signal emitter that produces a signal capable of being detected by an array of signal-detecting sensors. The sensors are dis... | 02/24/2004 |
| 6508109 | Method and device for measurement of pulsating milk flow A method and device for making measurements of the characteristics of a fluid, particularly the milk, which flows in pulsations in a conduit. The device has a measuring region wherein at least one characteristic of the fluid is determined. The measurement... | 01/21/2003 |
| 6474354 | On-line sensor for colloidal substances A method and apparatus for determining and controlling a property of colloidal substances that undergo at least one of a temperature dependent phase transition and a temperature dependent adsorption-desorption process is disclosed. The colloidal particles... | 11/05/2002 |
| 6422066 | Sensor capsule for CO2 sensor A sensor capsule to facilitate positioning of an analyte sensitive element such as a CO2 sensor at the end of a fiber optic probe, which discloses a dye layer defined by a dye well, fluorescent dye solution and apertures formed in a silicone se... | 07/23/2002 |
| 6386017 | System and method for measurement and control of suspended solids in a fluid A system and method for measurement and control of suspended solids in a fluid includes a sensor, dosage supervisor and logic module. The sensor includes a measurement chamber with a piston. A diverter valve controls introduction of sample fluid into the ... | 05/14/2002 |
| 6360582 | Method for calibration of chemical sensor in measuring changes in chemical concentration Changes in the concentration of a chemical, such as a gas, are determined using a non-linear chemical sensor which is subject to shifts in calibration over time. In order to minimize errors caused by such shifts in calibration a first infrared signal (I | 03/26/2002 |
| 6332351 | Detection of salt content of water through measurement of radiation attenuation A method of calculating the salt content of water in a multiphase flow which comprises irradiating a body of the multiphase flow with radiation of three distinct energy levels; measuring the intensity of the transmitted radiation at each of the energy lev... | 12/25/2001 |
| 6324900 | Method and a device for optically measuring the transparency of a liquid The technical field of the invention is that of searching for or analyzing materials, in particular liquids, by optical means. The method of optically measuring the transparency of a liquid uses a turbidity analyzer comprising at least one emitter of ligh... | 12/04/2001 |
| 6263725 | On-line sensor for colloidal substances A method and apparatus are for characterizing colloids by successive measurements of light attenuation or emission of a colloidal mixture at two or more temperatures and at one or more wavelengths. The difference or ratio of the measurements at two or mor... | 07/24/2001 |
| 6233048 | Fourier detection of species migrating in a microchannel The present invention provides a microfluidic system for fast, accurate and low cost electrophoretic analysis of materials in the fields of chemistry, biochemistry, biotechnology, molecular biology and numerous other fields. Light from periodically spaced... | 05/15/2001 |
| 6212951 | Flow velocity measuring unit A Doppler flow velocity measuring unit wherein an optical unit including a laser and a photodetector is removably mounted on a pipeline is disclosed. The optical unit is attached to a pipe that is affixed to the pipeline at right angles to the flow in the... | 04/10/2001 |
| 6134952 | Dissolved solid analyzer On-line measurements of an amount of dissolved solids in a liquid sample are determined by using both conductivity and UV measurements. More particularly, an amount of dissolved solids in a pulp and paper mill process water or effluent is determined by ir... | 10/24/2000 |
| 6127690 | Ultraviolet and visible light absorbance detector An ultraviolet and visible light absorbance detector uses a flow cell having a sample cell opening and a reference opening formed therethrough extending parallel to each other. The reference opening has a cross-sectional shape which is elongated in a dire... | 10/03/2000 |
| 6094266 | Detector for determining particle size distribution in an oscillating flow field A detector used in a measurement system that determines the size distribution of particles contained in a dispersant medium is disclosed that includes means for exciting the dispersant medium at an ultrasonic frequency to cause particles contained in the ... | 07/25/2000 |
| 6035705 | Method for characterization of fuels In a principal embodiment, the invention relates to a method in which a water sample containing dissolved hydrocarbon fuel to be identified is contacted with a fiber optic element adapted to adsorb a hydrocarbon fuel on at least a portion of the element, ... | 03/14/2000 |
| 6018983 | Method and apparatus for matching refrigerants Method and apparatus for freon and other refrigerant matching, particularly for servicing of air conditioning systems for automotive applications. The matching process is based upon the comparison of resistance or infrared absorption or other data reading... | 02/01/2000 |
| 5952238 | Method of assaying specimen substance by controlling dose of chemiluminescence A method for assay of an analyte by use of a material labeled with a chemiluminescent substance, which comprises adding a quencher and/or decreasing the specific activity of a chemiluminescent substance labeled probe, thereby decreasing the quantity of ch... | 09/14/1999 |
| 5946220 | Computer operated material processing systems and method Improvements in computer controlled material processing are disclosed including an apparatus and method in which the centrifugation of a liquid mixture in order to separate out components of the mixture with different sedimentation rates is adaptively con... | 08/31/1999 |
| 5939717 | Methods and apparatus for determining gas-oil ratio in a geological formation through the use of spectroscopy Methods according to the invention include providing an OFA tool which subjects formation fluids to NIR illumination and which provides a spectral measurement of peaks at about 6,000 cm-1 and about 5,800 cm-1. The methods according t... | 08/17/1999 |
| 5919707 | Monitoring of rolling oil emulsions The concentration of the active ingredient in a rolling oil emulsion can be rapidly determined, and correction of the concentration of the active ingredient can be undertaken by measuring the measuring the amount of light reflected from the emulsion at th... | 07/06/1999 |
| 5893642 | Mixer and apparatus for analyzing fluid flow A static mixer is provided for one or more fluids flowing in a pipe, such as oil, water and gas from an oil well. The mixer comprises an element to divide the flowing fluids into at least two streams within the pipe and to deflect two of the resulting str... | 04/13/1999 |
| 5852495 | Fourier detection of species migrating in a microchannel The present invention provides a microfluidic system for fast, accurate and low cost electrophoretic analysis of materials in the fields of chemistry, biochemistry, biotechnology, molecular biology and numerous other fields. Light from periodically spaced... | 12/22/1998 |
| 5750883 | Method and apparatus for determining the salt content of snack foods A method and apparatus for determining the salt content of snack foods by X-ray radiation backscatter. The snack food is irradiated with low-energy X-ray radiation in the range of from about 4 keV to about 12 keV. A detector of backscatter radiation is pl... | 05/12/1998 |
| 5699157 | Fourier detection of species migrating in a microchannel The present invention provides a microfluidic system for fast, accurate and low cost electrophoretic analysis of materials in the fields of chemistry, biochemistry, biotechnology, molecular biology and numerous other fields. Light from periodically spaced... | 12/16/1997 |
| 5569842 | Automated system for identifying and analyzing different types of used lubricants An apparatus for automatically identifying and analyzing different types of used lubricants is provided. The apparatus includes a spectrometer for obtaining electromagnetic absorption spectrum data for a lubricant, a computer for processing the spectrum d... | 10/29/1996 |
| 5539673 | Non-invasive infrared temperature sensor, system and method A high temperature, short time microwave heating system 10 for heat-sensitive liquid material to inactivate or reduce pathogenic agents or organisms, such as viral contaminants. The system 10 includes a disposable cartridge 26 consisting of a preheater 32... | 07/23/1996 |
