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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...
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7182913 |
Sample retention apparatus for use in measuring hemostasis
A sample retention apparatus for use in a device for measuring hemostasis. The device for measuring hemostasis may include a sample articulation apparatus including a guide shaft coupled for...
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7043969 |
Machine fluid sensor and method
A method for analyzing a fluid contained within a machine, comprising the steps of providing a machine including a passage for containing a fluid; placing a sensor including a mechanical resonator...
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6945096 |
Measurement and control of asphaltene agglomeration in hydrocarbon liquids
A method is provided for measuring the agglomerative state of asphaltenes in oil by applying an acoustic signal to the oil, detecting the scattered acoustic energy and using this detected signal to...
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6874356 |
Method and device for monitoring and controlling a process
A method and device for monitoring and controlling a pharmaceutical, chemical or food process, in which the biological activity and/or the bio-mass of micro-organisms in the process is monitored,...
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6874355 |
Method and device for monitoring and controlling a process
A method and device for monitoring and controlling a pharmaceutical, chemical or food process, in which the biological activity and/or the bio-mass of micro-organisms in the process is monitored,...
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6773923 |
Induced aggregation and agglutination of platelets
The invention relates to a method for measuring the aggregation or agglutination of platelets, where a reaction mixture is mixed in a first reaction phase, and is mixed less vigorously or not at...
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6688162 |
Magnetoelastic sensor for characterizing properties of thin-film/coatings
An apparatus for determining elasticity characteristics of a thin-film layer. The apparatus comprises a sensor element having a base magnetostrictive element at least one surface of which is at...
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6537819 |
Method and apparatus for measuring hemostasis
A method and apparatus are provided for measuring hemostasis. The apparatus includes a torque sensing column having a torque sensing element and a drive ring disposed around a body of the column...
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6225126 |
Method and apparatus for measuring hemostasis
A method and apparatus are provided for measuring hemostasis. The apparatus includes a torque sensing column having a torque sensing element and a drive ring disposed around a body of the column...
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6200532 |
Devices and method for performing blood coagulation assays by piezoelectric sensing
A device and method for performing blood coagulation assays, particularly prothrombin times and activated partial thromboplastin times and other clotting parameters are disclosed. The device...
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6192744 |
Robust transducer for viscoelastic measurement
A transducer for use in a viscoelastic analyzer of the type in which a mechanical probe member is immersed in a fluid or gel and driven to impart a desired oscillating motion to such fluid or gel...
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6109098 |
Particle size distribution and zeta potential using acoustic and electroacoustic spectroscopy
A device is described which combines Acoustic and Electroacoustic spectrometers to characterize both particle size distribution and zeta potential for concentrated dispersed systems. The Acoustic...
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6035706 |
Method and apparatus for determining the wax appearance temperature of paraffinic petroleum oils
A method and apparatus for determining the wax appearance temperature of paraffinic petroleum oils which comprises measuring and plotting the density of the paraffinic oil as a function of...
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5992223 |
Acoustic method for determining the static gel strength of a cement slurry
An acoustic method and system for determining the static gel strength of one or more cement slurry samples at wellbore temperatures and pressures. The cement slurry sample to be tested is...
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5969237 |
Measurement and control of asphaltene agglomeration in hydrocarbon Liquids
A method is provided for measuring the agglomerative state of asphaltenes in a process flow stream of oil by applying an acoustic signal to the oil, detecting the scattered acoustic energy and...
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5895842 |
Robust transducer for viscoelastic measurement
A transducer for use in a viscoelastic analyzer of the type in which a mechanical probe member is immersed in a fluid or gel and driven to impart a desired oscillating motion to such fluid or gel...
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5892144 |
Biosensor
A biosensor (10) for measuring changes in viscosity, density and/or mass in a fluid to be examined, for example a blood coagulation sensor or immunoassay system. According to the invention, the...
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5854423 |
Apparatus and method for assessment of visco-elasticity and shear adherence strength properties of blood clots
The present invention, a thrombo visco-elastogram (TVE), measures the changes in blood elastic and viscous properties in the magnitude and phase of the hydro-dynamic impedance of a tubular blood...
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5837885 |
Method and device for measuring the characteristics of an oscillating system
A resonator (1) is vibrating close to its resonance frequency. The vibration is excited by one or a first transducer (2) connected to an oscillator (11). The vibration is measured by the transducer...
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5783447 |
Hypercoagulability comparative determinants obtained using detection systems with variable force-induced energy inputs
A method of analyzing samples of whole blood from a patient is disclosed which involves determining whether or not there is a significant difference or change in the comparative determinants of...
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5741971 |
Method for analyzing physical properties of materials
An apparatus and method for nondestructively measuring a sample of material to determine changes in dynamic Young's Modulus, density, static viscosity, compressive strength and expansion or...
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5652710 |
Solid/liquid determination apparatus
A turntable having a food of solid or liquid put in a container is rotated during a predetermined time period and then the rotation of the turntable is suspended. After the turntable is suspended,...
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5565620 |
Method for measuring rheological properties and rheometer for carrying out the method
In a method of measuring rheological properties of a sample, an oscillation system containing the sample is caused to perform free oscillations, and the damping caused by the sample is determined,...
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5546792 |
Computerized sonic portable testing laboratory
A portable sonic testing device for the testing of waxy and emulsified fluids, utilizing variations in sound wave propogation, light propogation, and changes in electrical resistance in the liquid,...
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5272092 |
Method for analyzing a reaction solution
A plurality of reaction containers each being charged with an agitation ball made of a magnetic material are circularly arranged on a reaction disk so as to be supplied with a reagent and a sample....
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5247828 |
Procedure and device for measurement of the gelling of paraffinic petroleum products, especially crude products
The invention relates to a process and a device for measuring the gelling of paraffin petroleum products, in particular, crude oil. The process involves: measuring, with respect to the temperature...
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5223227 |
Disposable pin and cup with reuseable stem and collar for blood coagulation analyzer
An instrument for measuring the coagulation characteristics of whole blood samples is provided with disposable parts for contacting the blood. The pin has a blood-compatible plastic sleeve...
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5211054 |
Method and system for analyzing a gelation reaction by utilizing a piezoelectric resonator
A viscosity measuring system comprises a cell containing gelable liquid and a piezoelectric resonator mounted in the cell. The piezoelectric resonator has a prescribed characteristic, such as...
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5016469 |
Fluid viscoelastic test apparatus and method
An instrument for testing the viscoelastic characteristics of fluids, such as blood, exhibits improved temperature regulation of the blood sample under test, includes probe drive circuitry to...
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4581920 |
Arrangement for measuring ex-vivo bleeding time
In order to measure an ex-vivo bleeding time, a blood sample is applied on a measuring opening in a support. A pressure difference is created across the measuring opening and then time is measured...
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4558589 |
Ultrasonic coagulation monitor and method
An ultrasonic coagulation monitor for measurement of prothrombin times and related coagulation times includes at least one piezoelectric crystal operated at a fixed frequency near its resonant...
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4542645 |
Apparatus and methods for measuring milk coagulation time and rigidity in the manufacture of fermented dairy products
Apparatus and methods for measuring milk coagulation time and rigidity in the manufacture of fermented dairy products such as cheese. The apparatus includes a substantially flat, disc-shaped probe...
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4388824 |
Process and an apparatus for testing the coagulation properties of liquids
The coagulometer for measuring the clotting time of liquids such as blood has a turning sample vessel whose axis of turning is at an angle to the vertical. Within the vessel an annular space is...
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4341111 |
Process and apparatus for determining the visco elastic characteristics of fluids
Process and apparatus for determining visco-elastic characteristics of specimens such as fluids and/or of polymerizing mixtures, especially of coagulation fluids such as blood or blood plasma, and...
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4312217 |
Apparatus and method for measuring changes in conditions in coagulating liquids
The coagulation of blood is measured by introducing the blood into an annular gap in a beaker formed between the inner surface of the beaker and a cylindrical member depending into the beaker. The...
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4202204 |
Apparatus and method for measuring changes in conditions in coagulating liquids
The coagulation of blood is measured by introducing the blood into an annular gap in a beaker formed between the inner surface of the beaker and a cylindrical member depending into the beaker. The...
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4014650 |
Ultrasonic coagulation timer
A system for measuring the coagulation time of plasma or whole blood. A solution containing the blood sample is irradiated with pulsed ultrasound, and the back-scattered ultrasound is continuously...
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3952578 |
Scanning ultrasonic spectrograph for fluid analysis
An apparatus for time delay acoustic spectrographic analysis of fluid composition uses frequency modulated ultrasonic vibrations which are transmitted through the fluid from a sending transducer to...
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3854324 |
BLOOD CLOTTING TIME AND STRENGTH MEASURING SYSTEM
The clotting time for a blood specimen is measured by blowing a train of bubbles from a tube immersed in the specimen and then detecting the time of occurrence of an appreciable change in the...
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3766774 |
APPARATUS AND METHOD FOR MEASURING BLOOD CHARACTERISTICS
A closed tube in a circular configuration receives a blood sample which fills the tube and the tube with its sample is oscillated by a precision timing device to simulate reproducible in vivo blood...
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3741002 |
FLUID TEST APPARATUS AND METHOD
Apparatus and method for determining the coagulation characteristics of fluids in which a sample of a biological or other fluid is subjected to mechanical agitation while a reading is taken by...
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3486859 |
BLOOD ANALYZING METHOD AND APPARATUS
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3467862 |
APPARATUS FOR RECORDING RESISTANCE CHANGES DURING THE ENTIRE COAGULATION PROCESS IN A BIOLOGICAL FLUID
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3587295 |
Title is not available
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