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Hach Company patents


Recent patent applications related to Hach Company. Hach Company is listed as an Agent/Assignee. Note: Hach Company may have other listings under different names/spellings. We're not affiliated with Hach Company, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hach Company-related inventors


Device and method for preparing a beverage, in particular for preparing a protein-containing mixed beverage

The invention relates to a device (1) for preparing a beverage, in particular for preparing a protein-containing mixed beverage, having the following: a mixing device (100); at least one first container (200) for storing a pourable substrate (210); at least one first supply device (220) which is provided for supplying the pourable substrate (210) out of one of the first containers (200) to the mixing device (100); at least one second container (300) for storing an at least substantially liquid substrate (310); at least one second supply device (320) which is provided for supplying the at least substantially liquid substrate (310) from one of the second containers (300) to the mixing device (100); a third supply device (420) which is provided for supplying a carrier liquid (410) to the mixing device (100); and a dispensing device (500) which is provided for dispensing the beverage into a container (600), in particular a container which can be removed from the device (1). The mixing device (100) is provided for mixing the pourable substrate (210) and the at least substantially liquid substrate (310) with the carrier liquid (410) so as to form a beverage, in particular an at least substantially homogeneous beverage, and to dispense the beverage to the dispensing device (500). ... Hach Company

Alkalinity sensor

An embodiment provides a method for determining the alkalinity of an aqueous sample using an alkalinity sensor, including: monitoring the ph of an aqueous sample using a ph sensor in a sample cell, the ph sensor including a ph sensor electrode made of boron-doped diamond; generating hydronium ions, using a hydronium generator, in the aqueous sample in the sample cell, the hydronium generator including a hydronium-generating electrode; changing the ph of the aqueous sample by causing the hydronium generator to generate an amount of hydronium ions in the aqueous sample; quantifying and converting a current or charge to the number of hydronium ions produced to an end point of the electrochemical titration, the end point correlating to the alkalinity of a sample; and analyzing the alkalinity of the aqueous sample based on the generated amount of hydronium ions and the resulting change in ph monitored by the ph sensor.. . ... Hach Company

Determination of analytes using electrochemically active indicator species as reactants

A method for determination of an unknown analyte using quantitative electrochemical generation of a detectable species, which provides specified quantities of the species, is described. As an example, free chlorine concentration measurements may be performed using n,n-diethyl-p-phenylenediamine (dpd), or n,n-bis(2,4-di-sulfobenzyl)toluidinetetrasodium salt (sbt), for obtaining an in-situ calibration curve, whereby matrix effects are eliminated.. ... Hach Company

Method for detection of the contamination of a sample cuvette of a nephelometric turbidimeter

A method for detecting a contamination of a cuvette of a turbidimeter. The turbidimeter includes a light source which emits a light beam directed to a cuvette, a scattering light detector, and a diffuser with a body and an actuator. ... Hach Company

Determination of aqueous nitrate concentration

A method of measuring nitrate concentration in an aqueous sample includes mixing the aqueous sample with a water-soluble thioether chosen to reduce nitrate in the aqueous sample to nitrite in the presence of a water soluble catalyst, and a water soluble reagent system adapted to interact with nitrite to generate a color; measuring color generation, and correlating the color generation to nitrate concentration.. . ... Hach Company

Colorimetric determination of aqueous nitrate concentration

A method of measuring nitrate concentration in an aqueous sample include mixing the aqueous sample with a water-soluble thioether compound including a chromophore group in the presence of a water soluble catalyst; measuring a color change, and correlating the color change to nitrate concentration.. . ... Hach Company

Online chlorine analyzer

An embodiment provides an apparatus, including: a cartridge including a base and a lid; at least one fluid line located between the base and the lid of the cartridge; at least one heating element located either on the base or the lid and aligned in intimate contact with the at least one fluid line; at least one heat sensing element in intimate contact with the at least one fluid line, where the at least one heat sensing element is spaced downstream from the at least one heating element; a supply of power to the cartridge; and a processor in electrical communication with the cartridge that executes a program of instructions to: operate the at least one heating element to produce heating of the at least one fluid line at a first position; and operate the at least one heat sensing element to detect the heat of a fluid within the at least one fluid line at a position downstream of the first position. Other embodiments are described and claimed.. ... Hach Company

Flow meter with adaptable beam characteristics

An embodiment provides a method for measuring a fluid parameter of fluid flowing in a channel, including: transmitting, using a transmitter of a device, directed energy carrying a signal toward a surface of a fluid in a fluid channel, so as to produce one or more reflections from the fluid surface; detecting, by at least one receiver of the device, one or more received signals associated with the one or more reflections so produced; and determining, based upon a measurement beam comprising characteristics of the transmitted and received signals, a fluid parameter to be measured using a processor of the device; wherein, a measurement beam characteristic is adjusted based on a distance from the device to the fluid surface. Other embodiments are described and claimed.. ... Hach Company

Flow meter with adaptable beam characteristics

An embodiment provides a method for measuring velocity of fluid flow in a channel, including: transmitting, using a transmitter, directed energy carrying a signal toward a surface of a fluid in a fluid channel so as to produce a plurality reflections from locations substantially spanning the entire width of the fluid channel; detecting, using a plurality of measurement beams, received signals from the plurality of reflections so produced; determining, based upon differences between transmitted and received signals, a plurality of localized velocities; and computing, from the plurality of localized velocities, a cross-sectional average velocity of fluid in the channel. Other embodiments are described and claimed.. ... Hach Company

Mobile water analysis

An embodiment provides a method, including: operating a motor to position sample fluid within a fluid channel of a cuvette; transmitting light through an optical chamber of the cuvette; measuring a value of received light that has been transmitted through the optical chamber; comparing the measured value of light to one or more thresholds; determining a position of the sample fluid within the fluid channel based on a comparison from the comparing step; and generating a response based upon the position of the sample fluid with the fluid channel. Other aspects are described and claimed.. ... Hach Company

Turbidimeter

Various turbidimeters are described that can detect light directly in a substantially circular, e.g., encompassing, manner such that an increased amount of scattered light from a sample vial may be detected by a light detector, e.g., a photodiode or photodiode array. In an embodiment, a substantially circular photodiode array is provided to directly detect scattered light in an arc about the sample vial. ... Hach Company

Test-element for a mobile water analysis arrangement

A test element for a mobile water analyzing system includes a sample line and a key reagent disposed in the sample line. The sample line includes an inlet opening arranged at a first end, a pump port arranged at a second end of the sample line, an inlet section arranged between the inlet opening and the pump port, and a measuring section with at least one window arranged at an end of the measuring section. ... Hach Company

Carbon quantifying apparatus and method

A carbon quantifying cell configured to receive a fluid is provided, including two or more electrodes positioned at least partially in the fluid, and meter electronics configured to place an electrical oxidization, polarization, and/or adsorption program across the two or more electrodes and at least partially oxidize carbon materials in the fluid, apply an ac voltage of a predetermined amplitude across the two or more electrodes, measuring the resulting ac current across the two or more electrodes, wherein a ratio of amplitudes and a phase angle difference provides information for calculating a fluid impedance, receive an electrical response of the fluid to the electrical oxidization, polarization, and/or adsorption program, quantify the carbon materials in the fluid using the electrical response, and detect interfering materials in the fluid using the fluid impedance.. . ... Hach Company

Storage stable standards for aqueous chlorine analysis

A standard for testing measurement systems for aqueous chlorine species analysis includes an openable storage vessel and an aqueous composition including a compound having the formula r1r2ncl where r1 and r2 are independently methyl, ethyl or propyl, wherein the aqueous composition is storage stable within the openable storage vessel.. . ... Hach Company

04/27/17 / #20170116493

Optical character recognition (ocr) and coded data for legacy instrument data transfer

One embodiment provides a method for capturing information from a measuring instrument, including: capturing, using an image capture device, an image of information displayed on the measuring instrument; analyzing, using a processor, the information; detecting, based on the analyzing, a plurality of elements within the information; wherein the plurality of elements comprise: identification data associated with the measuring instrument and measurement data, the identification data being coded within a tag element; wherein the tag element is at least one of a quick response code, a two dimensional barcode, a barcode, and a service identification tag; the identification data comprising data relating to at least one of: unit type, notation type, device type, device identification, device location, device vendor, device manufacturer, and current user; extracting, using a processor, the plurality of elements from the image; and storing, in a storage device, the plurality of elements in a formatted file. Other aspects are described and claimed.. ... Hach Company

04/06/17 / #20170097300

Aqueous sample fluid measurement and analysis

An embodiment provides a method for determining a concentration of an analyte in a fluid sample, including: introducing a fluid sample into a measurement chamber; operating a measurement device to introduce light of a first wavelength to the fluid sample; measuring, with a detector, absorbance of the light of the first wavelength with respect to the fluid sample; operating the measurement device to introduce light of a second wavelength to the fluid sample; measuring, with the detector, absorbance of the light of the second wavelength with respect to the fluid sample; determining, using a processor of the measurement device, an absorbance ratio of the fluid sample using both the measured absorbance of the light of the first wavelength and the measured absorbance of the light of the second wavelength; and providing, via an output device, a determined concentration value for the fluid sample that correlates to the absorbance ratio. Other aspects are described and claimed.. ... Hach Company








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