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"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 7578172 | Symmetrical viscosity sensor A symmetrical viscosity sensor for measuring the viscosity of fluids such as transmission oil or engine oil. Torsion oscillators are arranged symmetrically on both sides. The viscosity sensor includes a coupling shaft; a torsion oscillator coupled symmetrically to b... | 08/25/2009 |
| 7357016 | Process and device for determining viscosity A process and a device for determining the viscosity of a fluid are proposed. Very simple and accurate determination is enabled in that the magnetic particles in the fluid are set into vibration by a magnetic field which varies over time. A measurement of the amplit... | 04/15/2008 |
| 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 |
| 7353694 | Rheometer A rheometer and method of making rheological measurements are disclosed, in which a sample is supported between plates and an alternating movement is applied by a driver, support rod and plate. Force and displacement measurements are taken and the property determine... | 04/08/2008 |
| 7334452 | Method for characterizing materials by using a mechanical resonator Methods for monitoring a fluid composition include placing a mechanical resonator in the fluid composition and oscillating the resonator. The resonator can be a tuning fork resonator having tines oscillated in opposite directions and in opposite phases. A variable f... | 02/26/2008 |
| 7287431 | Wireless oil filter sensor A wireless oil filter sensing system includes an oil filter and a sensing mechanism that is connectable to the oil filter. The sensing mechanism includes one or more acoustic wave sensing elements and at least one antenna that communicate with the acoustic wave sens... | 10/30/2007 |
| 7284413 | Method and apparatus for measuring viscosity An apparatus for measuring the viscosity of a fluid having a first rigid member extending from a body of semiconductor material and provided with a first conductive path and a second resiliently flexible member provided with a second conductive path and arranged in ... | 10/23/2007 |
| 7281414 | Apparatus, a method, and measuring sensors for scanning states of engine oil The present invention relates to an apparatus, a method, and a sensor for scanning engine oil of a vehicle. An apparatus for scanning engine oil according to an exemplary embodiment of the present invention includes an oil property measuring part for measuring physi... | 10/16/2007 |
| 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 |
| 7257984 | Miniaturized sensor device for detecting characteristics of a fluid, in particular a lubricating oil A miniaturized sensor device comprises at least one pair of active projecting elements or cantilevers, which are set parallel to one another and at a micrometric or sub-micrometric distance apart and are designed to be submerged at least partially in a fluid. Each p... | 08/21/2007 |
| 7254990 | Machine fluid sensor A sensor for sensing one or more properties of a vehicle fluid has a tuning fork resonator adapted to contact the fluid. The tuning fork resonator comprises two tines and is operable to oscillate so that the two tines move in opposite phase at a frequency of less th... | 08/14/2007 |
| 7228728 | Method for determining rheological parameters of a fluid The inventive method uses the ultrasound Doppler method (UVP) in order to determine a local velocity profile perpendicular to a line for a fluid which flows through said line, carrying suspended or emulsified particles. The wall shear stress of said fluid is measure... | 06/12/2007 |
| 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 |
| 7219537 | Control of equivalent shear rate in acoustic wave sensors An apparatus and a method for controlling the shear rate at which an acoustic wave device measures viscosity, by utilizing an automatic level control or an automatic gain control circuit to control power input to the sensor as a function of the sensor's output power... | 05/22/2007 |
| 7219536 | System and method to determine oil quality utilizing a single multi-function surface acoustic wave sensor A method and system for detecting oil quality. The quality of engine oil can be determined utilizing an acoustic wave sensor to obtain viscosity and corrosivity data associated with the engine oil. The acoustic wave sensor is coated with a material that selectively ... | 05/22/2007 |
| 7204128 | Engine wear and oil quality sensor A viscosity and corrosivity sensor apparatus includes a substrate upon which one or more electrodes are configured. The electrode(s) are exposed to a liquid, such as automotive oil. An oscillator can be connected to the electrode, wherein the oscillator assists in p... | 04/17/2007 |
| 7201041 | Analysis method using piezoelectric resonator A piezoelectric resonator is immersed in a liquid, an AC signal is applied, and a local maximum of the conductance is determined. A frequency change due to the viscosity effect is determined from two frequencies of three frequencies including a resonance frequency t... | 04/10/2007 |
| 7194895 | Rheometer A rheometer and method of making rheological measurements is disclosed, in which a sample is supported between plates and an alternating movement is applied by a driver, support rod and plate. Force and displacement measurements are taken and the property determined... | 03/27/2007 |
| 7191667 | Vibration meter and method of measuring a viscosity of a fluid A vibration meter and a method of measuring a viscosity of a fluid flowing through a pipe are disclosed. The vibration meter comprises meter electronics and a transducer assembly with an electromechanical excitation arrangement and with a flow tube which oscillates ... | 03/20/2007 |
| 7185530 | Device to measure the solidification properties of a liquid film and method therefor The present invention is directed to an apparatus and a method for monitoring the viscoelastic properties, of a liquid film (e.g. coating). The apparatus comprises a substrate supporting a liquid film, a probe to contact the liquid film, means for effecting relative... | 03/06/2007 |
| 7181957 | Measurement, compensation and control of equivalent shear rate in acoustic wave sensors A method for controlling the shear rate at which an acoustic wave device measures viscosity by calculating the shear rate as a function of the characteristic rate of quartz movement in response to a given input transducer power level and the viscosity of the fluid a... | 02/27/2007 |
| 7162915 | Viscometer The viscometer provides a viscosity value (Xη) which represents the viscosity of a fluid flowing in a pipe connected thereto. It comprises a vibratory transducer with at least one flow tube for conducting the fluid, which communicates with the pipe. Driv... | 01/16/2007 |
| 7162918 | Method and apparatus for downhole fluid characterization using flexural mechanical resonators The present invention provides a downhole method and apparatus using a flexural mechanical resonator, for example, a tuning fork to provide real-time direct measurements and estimates of the viscosity, density and dielectric constant of formation fluid or filtrate i... | 01/16/2007 |
| 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 |
| 7155038 | Handwriting identification system, writing implement for identifying handwriting and method for identifying handwriting A processing terminal 10 includes a writing implement (ball point pen) 30. The writing implement 30 is provided with a tilt change detecting mechanism for detecting a change in a tilt with respect to a writing implement main body of a lead and a... | 12/26/2006 |
| 7115909 | Light emitting device and method of manufacturing the same Provided is a light emitting device and a method of manufacturing the same. The light emitting device comprises a transparent substrate, an n-type compound semiconductor layer formed on the transparent substrate, an active layer, a p-type compound semiconductor laye... | 10/03/2006 |
| 7113876 | Technique and electronic circuitry for quantifying a transient signal using threshold-crossing counting to track signal amplitude Circuitry adapted for carrying out associated techniques for: (a) calculating a damping factor, e.g., a damping ratio represented by ζ, or a quality factor Q, where ζ≈1/2Q, for a transient signal received, having been emitted from a resonator-type sensor element... | 09/26/2006 |
| 7089784 | Device for evaluating the signal from a viscosity sensor A device is provided for evaluating the signal from a viscosity sensor having an amplifying circuit. The amplification of the amplifying circuit is controlled by a temperature signal from a temperature sensor. ... | 08/15/2006 |
| 7073370 | Method and apparatus for characterizing materials by using a mechanical resonator A method and apparatus for measuring properties of a liquid composition includes a mechanical resonator, such as a cantilever, connected to a measurement circuit. The mechanical resonator can be covered with a coating to impart additional special detection propertie... | 07/11/2006 |
| 7059176 | Resonant tube viscosity sensing device A method and device for assessing the viscosity of a fluid. The method and device utilize a tube with a vibrating freestanding portion into which the fluid is introduced, and relies on sensing the influence that the fluid has on the vibrational movement of the tube ... | 06/13/2006 |
| 7055377 | Quartz crystal sensor cell A quartz crystal sensor cell in which the sensor is secured to the base of a well defining a test sample space by a layer of adhesive between the respective peripheral surfaces. Also a quartz crystal sensor cell is provided in which the quartz sensor crystal is incl... | 06/06/2006 |
| 7054766 | Fluid properties evaluation Fluid flow properties often dictate the performance of processing operations. The present invention relates to a system for evaluating properties of a fluid flowing in a pipe. A test cell (20) which includes two parallel surfaces (5, 6) which are posit... | 05/30/2006 |
| 7033840 | Reaction calorimeter and differential scanning calorimeter for the high-throughput synthesis, screening and characterization of combinatorial libraries Workstation, apparatuses and methods for the high-throughput synthesis, screening and/or characterization of combinatorial libraries. The invention relates to an array, which permits various high-throughput methods for synthesis, screening and/or characterization in... | 04/25/2006 |
| 7021123 | Rheological and calorimetric testing method Device and methods for rotationally mixing and rheological testing of sample liquids, such as cement particle suspensions, employ mixing blades and shear-resistant members having substantially noncoincident orbital paths. Rheology is assessed by measuring the resist... | 04/04/2006 |
| 7010962 | Characterization of liquids using gas bubbles An apparatus and method is described for measuring properties of bubbles from which certain physical characteristics of the liquid in which the bubbles are generated can be determined. The evolution of a bubble includes (1) formation and growth at a nozzle disposed ... | 03/14/2006 |
| 7010963 | Liquid detecting apparatus Piezoelectric plates conduct bending vibrations and are axially symmetrical about the vibration shaft so the piezoelectric plates conduct a bending vibration, lower vibrating ends of the piezoelectric plates are rigidly connected to a vibration suppressing member an... | 03/14/2006 |
| 7010978 | Electrically operated tuning fork An electrically operated tuning fork apparatus includes a tuning fork having a base and a pair of tines. The tines have tips remote from the base, and are formed of or include material in which a magnetic field can be induced. The tuning fork apparatus also includes... | 03/14/2006 |
| 7007546 | Measurement, compensation and control of equivalent shear rate in acoustic wave sensors A method for measuring viscosity and shear rate at which the measurement is performed is provided, by utilizing an acoustic wave sensor, and calculating the shear rate as a function of the characteristic rate of quartz movement in response to a given power transmitt... | 03/07/2006 |
| 7000457 | Methods to control and/or predict rheological properties Methods to predict the rheological properties of composition comprising a filler in a matrix are described. The present invention further involves determining the difference between the work of cohesion and the work of ahhesion for a filler and a matrix in order to ... | 02/21/2006 |
| 6997045 | Rheomixer device Device and methods for rotationally mixing and rheological testing of sample liquids, such as cement particle suspensions, employ mixing blades and shear-resistant members having substantially noncoincident orbital paths. Rheology is assessed by measuring the resist... | 02/14/2006 |
