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| Number | Title | Issue Date |
| 8161798 | Density sensing device and fuel cell system with it The disclosed is a density sensing device of a fuel cell system and a fuel cell system having the density sensing device. The density sensing device includes a density sensor that includes a collision sensor and a variable resistor coupled to the collision sensor. T... | 04/24/2012 |
| 8011225 | Assembly for measuring the specific gravity and level of a liquid An assembly for measuring both the level and specific gravity of a liquid in a container includes a first sensor arrangement for sensing the level of the liquid in the container, and a second sensor arrangement for sensing the specific gravity of the liquid. The fir... | 09/06/2011 |
| 7895882 | Density analysis for flow sensor-based fluid control system A method and apparatus are disclosed for using an acceleration of a flow control system to determine the density of a fluid relative to the density of an in-line flow object. ... | 03/01/2011 |
| 7878045 | Apparatus and use of the apparatus for the determination of the density of a plasma Device for determining the density of a plasma, with of a probe (1) which can be immersed into the plasma, with a probe head (2) in form of a three-axis ellipsoid, and a handle (3) connected to the probe head (2), wherein the probe head (... | 02/01/2011 |
| 7743644 | Method for determining density of insulation An apparatus for determining the density of insulation in a cavity of a structure includes a sensor that is held in a substantially fixed position relative to the insulation for sensing the force of the insulation against the sensor. The force is used to determine t... | 06/29/2010 |
| 7712350 | Apparatus and method for determining density of insulation An apparatus for determining the density of insulation in a cavity of a structure that senses a force of the insulation against the sensor. The force is used to determine the density of the insulation, which, in turn, is used to determine the thermal resistance or R... | 05/11/2010 |
| 7631541 | Method of measuring a set cement density and settling properties An improved method for measuring the density and settling properties of cement slurries. The cement slurry is stirred in a consistometer and heated to a predetermined temperature. The stirring of the cement slurry is then halted and the cement slurry is cooled. The ... | 12/15/2009 |
| 7614276 | Method for determining absolute density of cement slurry A method for determining absolute density of a slurry that typically contains entrained air, such as cement slurry, in a continuous mixing operation such those used in cementing a gas or oil well. The method obtains density measurements of a slurry at two different ... | 11/10/2009 |
| 7607341 | Device for measuring the density of particles by flotation The present invention relates to the investigation of particle characteristics, particularly to a device for measuring the apparent density distribution of a set of particles composed of several subsets of particles with different apparent densities and able to impl... | 10/27/2009 |
| 7600414 | Method for determining absolute density of cement slurry A method for determining absolute density of a slurry that typically contains entrained air, such as cement slurry, in a continuous mixing operation such those used in cementing a gas or oil well. The method obtains density measurements of a slurry at two different ... | 10/13/2009 |
| 7409322 | Mass set estimation for an object using variable geometric shapes A system and method for object modeling. A compositing module embeds geometric shapes to model varying densities of an object. The compositing module represents each volume domain of constant density within a segment with a separate geometric shape. A mass set prope... | 08/05/2008 |
| 7404260 | Gauge and method for indicating one or more properties of a loose-fill insulation A portable gauge and method are used to determine an as installed property of a loose-fill insulation in a building cavity wherein the cavity has a given depth, an open front, a rear surface, and sidewalls defined by spaced apart framing members. The gauge includes ... | 07/29/2008 |
| 7402796 | Method and apparatus for monitoring deposition of solids in pipelines using a plurality of radiation sources pointing to a unique detector The invention concerns a method of monitoring flow in a flow pipe. According to the invention, the method comprising the following steps: providing a flow pipeline having a unique photon detector at a first position on the periphery of said pipe, a first photon sour... | 07/22/2008 |
| 7395694 | System and method for determining an air content, air release ability and for foam forming on oil surfaces This invention concerns a device (1) for the determination of air content, the air separation behavior and the surface foam formation of oils, in particular of transmission oils with an air-oil mixer (2) and a differential pressures sensor (3). ... | 07/08/2008 |
| 7389676 | Egg testing apparatus and method An egg testing apparatus and method utilize a vessel having marked thereupon indicia including graphics, calibrations and text, for use in determining the freshness, approximate age and recommended use for a chicken egg immersed inside the vessel in a volume of cool... | 06/24/2008 |
| 7353695 | Methods and apparatus for determining properties of a fluid A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteris... | 04/08/2008 |
| 7350402 | Method and apparatus for determination of medical diagnostics utilizing biological fluids A method for measuring changes in the composition of fluids, for medical diagnostics or quality control of fluids, comprising: One) placing a drop of fluid upon a quartz crystal; Two) generating ultrasonic vibratio... | 04/01/2008 |
| 7350403 | Method and apparatus for determination of food quality and authenticity A method for analysis of a multi-component fluid is provided based on the features of the dynamics of the self-organization processes in drying drops. An electro-acoustic resonator is utilized, with a drop of multi-component fluid placed on one end of the resonator.... | 04/01/2008 |
| 7334450 | Water cut measurement with improved correction for density Methods of correcting on-line analyzer measurements of the content of a first component, e.g., water, in a multiple-component fluid, e.g., petroleum, are provided. The first component content measurements in a flowing multiple-component fluid may be taken using an o... | 02/26/2008 |
| 7333111 | Joint component framework for modeling complex joint behavior A general joint component framework that is capable of exhibiting complex behaviors of joints in articulated figures is provided. A network of joint components is used to model the kinematics of a joint. A joint builder can specify parameters for each of the joint c... | 02/19/2008 |
| 7289916 | Method and apparatus for measuring properties of concrete Methods and apparatus using time domain reflectometry to determine electrical properties of concrete for calculating physical and mechanical properties of the concrete that are indicative of concrete quality and durability. The dielectric constant of a concrete is d... | 10/30/2007 |
| 7275416 | Volumetric densiometer flask A volumetric densiometer flask for determining the volumetric density of a solute includes: (a) a first bulbous portion in a lower end section of the flask; (b) a second bulbous portion in an upper end section of t... | 10/02/2007 |
| 7263874 | Methods and apparatus for determining properties of a fluid A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteris... | 09/04/2007 |
| 7253414 | Multi-energy gamma attenuation for real time continuous measurement of bulk material Methods and apparatus for continuous real-time measurement of bulk material using gamma irradiation. A multi-energy gamma attenuation device monitors bulk material flow and produces a spectrum that is compared to a baseline spectrum to produce a relative weight/impu... | 08/07/2007 |
| 7244345 | Electrochemical method and sensor for the detection of traces of explosives A system for highly sensitive electrochemical detection of trace nitro-aromatic compounds in air, uses a carbon or carbon/gold working electrode with a surface that is modified to increase the electron transfer kinetics of nitro-aromatic compounds. Chemical modifier... | 07/17/2007 |
| 7240313 | Method for analyzing material density variations on a multi-layer printed circuit board A method for determining material density variations and prediction of defects on a multi-layer printed circuit board (PCB), in the X, Y, and Z axis, includes a virtual grid creation system and a set of rules for determining the material density in each grid element... | 07/03/2007 |
| 7228004 | Method for sharpening a digital image A method of sharpening a digital image having image pixels values includes the steps of: determining a Dmin value, representing a value corresponding to a minimum possible exposure for a system that produced the digital image; for each pixel value in the ... | 06/05/2007 |
| 7225081 | Application specific integrated circuitry for controlling analysis of a fluid A circuit chip is disclosed. The circuit chip includes analog-to-digital processing circuitry that is capable of interfacing with a sensor and host electronics. The analog-to-digital processing circuitry includes a frequency generator configured for providing stimul... | 05/29/2007 |
| 7194892 | Method and device for monitoring wire staples applied to print products by a wire-stitching machine A method and apparatus are provided for monitoring the wire-stitching on print products in a wire-stitching machine. The wire-stitching includes wire staples having ends to be closed. The wire-stitching machine includes a measuring device operative to measure a dens... | 03/27/2007 |
| 7188035 | Coriolis mass flow meter for measuring a concentration In a Coriolis mass flow meter for determining the concentration of a flowing fluid, a concentration function is stored in a concentration evaluating unit. This enables the user to produce a concentration value at given temperature and density of the medium appropria... | 03/06/2007 |
| 7158897 | Integrated circuitry for controlling analysis of a fluid Circuitry for processing signals used to determine characteristics of a fluid under-test is provided. The circuitry includes a compensation device and integrated circuitry for interfacing with a tuning fork that is capable of being in contact with the fluid under-te... | 01/02/2007 |
| 7140239 | System and technique for ultrasonic characterization of settling suspensions A system for determining properties of settling suspensions includes a settling container, a mixer, and devices for ultrasonic interrogation transverse to the settling direction. A computer system controls operation of the mixer and the interrogation devices and rec... | 11/28/2006 |
| 7095330 | Disposable liquid level sensor having a virtual ring A liquid level sensor for standard bottles containing highly viscous materials such as gels so that the bottles may be inserted into an appliance to alert a user when the bottle is empty. The holder conveniently locates the bottle in the holder which includes insert... | 08/22/2006 |
| 7089793 | Method and system of exciting a driving vibration in a vibrator An object of the present invention is to reduce a rise time required for stabilizing the vibration state of a vibrator and the scale of a circuit needed for the activation of a driving vibration in exciting the driving vibration in the vibrator. A driving vibration ... | 08/15/2006 |
| 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 |
| 7059173 | System for conducting the on-site measurement of the density or thermal resistance of a material A system suitable for conducting an on-site measurement of the density and/or R-value of a gas-permeable material, comprising: a device comprising: a chamber comprising a first port and a second port; a diffuser in fluid communication with the second port of the cha... | 06/13/2006 |
| 7055374 | System for characterizing bulk mechanical properties of aerated materials A device for determining physical properties of aerated particulate materials. The device may be formed from an inner container positioned in an outer container, wherein the inner container is adapted to hold a particulate material. An air source is in fluid communi... | 06/06/2006 |
| 7055371 | On-site measurement of the density or thermal resistance of a material A device suitable for conducting an on-site measurement of the density and/or R-value of a gas-permeable material is provided, comprising: a chamber comprising a first port and a second port; a diffuser in fluid communication with the second port of the chamber, whe... | 06/06/2006 |
| 7055370 | Device for conducting the on-site measurement of the density or thermal resistance of a material A device suitable for conducting an on-site measurement of the density and/or R-value of a gas-permeable material is provided. The device comprises a chamber comprising a first port and a second port; a diffuser in fluid communication with the second port of the cha... | 06/06/2006 |
| 7032449 | Measurement of fluid properties in vessel and sensor for same A sensor for measuring properties of a fluid in a vessel, includes a sensor mount adapted to mount within a wall of a vessel; a sensor body extending substantially vertically from the sensor mount; and a plurality of sensors spaced vertically along the sensor body, ... | 04/25/2006 |
