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| Number | Title | Issue Date |
| 5918281 | Personal speedometer The speed of an object is measured using a device which includes a transmitter spaced a predetermined distance from a receiver. A first sound wave is propagated through air with a first velocity, typically zero velocity. A second sound wave is propagated ... | 06/29/1999 |
| 5827984 | Apparatus for simulating the effect of the living organism on the change in shape, the disintegration and dissolution behaviour and the active-ingredient release of a pharmaceutical dosage form An apparatus for simulating the effect of a living organism on the change in shape, the disintegration and dissolution behaviour and the active-ingredient release of a pharmaceutical dosage form, including a beaker-shaped container for accommodating a tes... | 10/27/1998 |
| 5804728 | Method and apparatus for non-intrusively detecting hidden defects caused by bio-deterioration in living trees and round wood materials A method and apparatus for detecting internal bio-deterioration in round wood used in various applications (e.g. utility poles, pier pilings, round wood beams, posts and poles in structures, and living trees). The method includes the steps of securing a p... | 09/08/1998 |
| 5789678 | Method for reducing noise and/or vibration from multiple rotating machines A method for reducing the total operating noise and/or the total vibration of at least two generally-identical rotating machines. In one embodiment, the noise (or vibration) contribution of each machine at a predetermined reference relative phase angle is... | 08/04/1998 |
| 5783742 | Method of injecting a sample into gas chromatograph A sample is injected into a gas chromatograph by first slowly causing a needle of a syringe containing the sample to penetrate a septum and be inserted into a sample vaporization chamber and then quickly pushing a plunger to inject the sample into the sam... | 07/21/1998 |
| 5777246 | Fastener measurement system A fastener measurement system includes a number of gauge blocks, each having a tapered bore disposed therein. Each gauge block has a number of conical inserts that fit within the tapered bore. The inserts have a central bore of varying sizes to receive fa... | 07/07/1998 |
| 5756875 | Thin film phantoms and phantom systems Phantoms for testing and measuring the performance of ultrasonic imaging systems have regions of precisely controlled scattering or echogenicity which contain sub-resolvable scatterers. The regions are precisely positioned so as to define patterns which f... | 05/26/1998 |
| 5756907 | Method of measuring properties of sand A method is provided for accurately and easily measuring properties of sand. This method includes the steps of measuring contraction properties of the sand, determining a molding parameter for molding a test piece of the sand having a known size based on ... | 05/26/1998 |
| 5750906 | Multifunction valve The invention features a sample probe and reagent selector valve that enables selection among multiple functions of withdrawing a biological sample from a syringe or capillary into a fluid parameter sensor module, providing calibration and quality control... | 05/12/1998 |
| 5747693 | System for taking transverse measurements A system can take transverse measurements of an elongated workpiece. The tem has a base for holding the workpiece oriented in an axial direction. A carriage mounted on the base can move axially. This carriage has a linear measurement device for providing... | 05/05/1998 |
| 5744731 | Liquid sampling apparatus capable of assembly in different sampling configurations Liquid sampling apparatus includes four components, including a cover, a small receptacle preferably in the form of a glass jar, and intermediate and large receptacles preferably in the form of stainless steel canisters which may be assembled in various c... | 04/28/1998 |
| 5741987 | Assembly assurance apparatus An apparatus for assuring the proper seating of a seat belt mounting bolt 30 against a mounting tab 36 is provided that includes a cage member 56 receiving a drive tool 52 to abuttingly engage the tab 36 against a vehicle body panel 14 with the cage membe... | 04/21/1998 |
| 5741984 | Method and apparatus for sample collection by a token An apparatus for the collection of a chemical sample from the fingers of an individual for subsequent analytical analysis comprises a token having a base and a substrate on the base. The substrate defines an area such that when the token is removed from a... | 04/21/1998 |
| 5741983 | Soil sampler for analysis for fertilizer determination An automatic soil sampler (10) removes soil samples (65) at known locations and transfers the samples to a packaging station (23) where the samples are packaged and identified. The packages (87) are left in a strip and moved to a container (168). The samp... | 04/21/1998 |
| 5739432 | Ultrasonic characterization of single drops of liquids Ultrasonic characterization of single drops of liquids. The present invention includes the use of two closely spaced transducers, or one transducer and a closely spaced reflector plate, to form an interferometer suitable for ultrasonic characterization of... | 04/14/1998 |
| 5736656 | Apparatus and method for measuring the magnitude and distribution of forces on the foot of a quadruped An improved apparatus and method are described for continuously measuring the timing and distribution of forces exerted against the entire surface of a quadruped's foot, thus providing a diagnostic tool to assist in measuring the ambulatory functions of a... | 04/07/1998 |
| 5736643 | Monitoring system for representing vibration conditions of a multiplicity of blades on a rotating disc A monitoring system for representing vibration conditions of a multiplicity of blades on a rotating disc in a turbomachine includes at least one sensor which is associated with the disc and which is connected to a pulse generator that delivers sensor puls... | 04/07/1998 |
| 5734116 | Nema cabinet monitor tester An apparatus and method for testing a conflict monitor of the present invention includes a housing having a plurality of switches which can be manually manipulated in order to simulate the output of a controller. The conflict monitor is tested by disconne... | 03/31/1998 |
| 5731508 | Calibrating gas generator The invention relates to a calibrating gas generator for generating a calibrating gas with a pregiven concentration of a calibrating gas component. The calibrating gas generator includes two vessels through which gas can flow. These two vessels contain th... | 03/24/1998 |
| 5723798 | Measuring and controlling panel singulation shock A panel of several circuit boards connected by bridges is separated into individual boards by opposed dies which sever the link. Shock from the die impact can damage fragile components mounted on the circuit boards, especially when dies become dull and th... | 03/03/1998 |
| 5723791 | High resolution ultrasonic coating thickness gauge A gauge for determining a thickness of a coating on a substrate includes a transducer for emitting ultrasonic signals into the coating and for generating electrical signals proportional to the ultrasonic signals received by the transducer, the received si... | 03/03/1998 |
| 5714688 | EMAT measurement of ductile cast iron nodularity A method of examining a ductile iron casting to determine a percent of nodularity present in the casting uses an electromagnetic acoustic transducer (EMAT) system to determine a time-of-flight of an ultrasonic shear wave pulse transmitted through the cast... | 02/03/1998 |
| 5714689 | Zig zag electromagnetic acoustic transducer scan A flaw detection method and arrangement utilizes electromagnetic acoustic transducers (EMATs) which ultrasonically test a material for cracks or flaws. Four EMATs are used in a pitch-catch configuration, i.e. two pairs of EMAT transmitters and receivers. ... | 02/03/1998 |
| 5708209 | Apparatus and method for ultrasonic particle detection in molten metal An apparatus for conducting ultrasonic waves to and from a body of a molten material. The apparatus includes a buffer rod for transmitting ultrasonic waves to the molten metal, a second buffer rod for receiving ultrasonic waves from the molten metal, piez... | 01/13/1998 |
| 5705739 | Detecting specific medical conditions from erythrocyte density distrubition in a centrifuged anticoagulated whole blood sample In most mammals studied, a histogram of the erythrocytes' density of a healthy individual normally has a Gaussian distribution. Gaussian or near-Gaussian distributions may be characterized by their mean, by their standard deviation, and their absence of s... | 01/06/1998 |
| 5703290 | Bobbin assembly for a vehicle instrument gauge A bobbin assembly for a vehicle instrument gauge is provided. The bobbin assembly includes an upper and a lower bobbin, which together define a chamber therebetween and an axis of rotation therethrough. The bobbin assembly also includes a permanent magnet... | 12/30/1997 |
| 5700961 | System and method for measuring stickiness of materials such as cotton A system and method for measuring the stickiness of agricultural solids such as cotton is provided. A reference moisture level of a sample is measured in a manner not responsive to the presence of sugars. The sugar-based moisture content of the sample is ... | 12/23/1997 |
| 5693896 | Test rig for rotors of gyrocraft The rig comprises a vertical electric motor in a shell-type framework carrying a force balance itself supporting either a main rotor in dynamic tests or a complete propulsion assembly with main rotor in endurance tests, or a height extender supporting, on... | 12/02/1997 |
| 5693895 | Versatile airborne particle impaction sampler An airborne particle impaction system and a particle impaction cell for use therewith. The cell includes a device for holding a removable planar support sheet with a tacky surface. The cell includes an inlet slit adjacent to a support sheet in the cell an... | 12/02/1997 |
| 5686650 | Apparatus and method for calibrating particle counters Apparatus is disclosed for dispensing a standardized test fluid used for calibrating a counter while preventing the formation of bubbles in the test fluid and preventing the introduction of extraneous air born particulate contamination, both of which detr... | 11/11/1997 |
| 5686667 | Method for determining the approximate resonance frequency of a structure surrounded by a compressible fluid A method for determining the approximate resonance frequency of a structure urrounded by a compressible fluid includes the steps of: (1) performing analysis to determine in-vacuo frequencies and mode shapes of the structure; (2) selecting an in-vacuo mode ... | 11/11/1997 |
| 5686668 | System and method of ultrasonic inspection of tubular members A cart for inspecting a drill pipe having a platform with an ultrasonic inspection unit thereon, a first pair of wheels connected to the platform so as to move the platform longitudinally along the drill pipe relative to a rotation of the drill pipe, and ... | 11/11/1997 |
| 5677490 | Ultrasonic testing device for weld seams in pipes, sheets and containers The ultrasonic testing device for weld seams (28) in pipes, sheets and containers, preferably for circumferential welds in pipelines, is fitted with two identical test head supports (20), each fitted with at least one test head (e.g., 23), arranged in lat... | 10/14/1997 |
| 5677488 | Piezoelectric film transducer sytem for bearings An in-use rolling element bearing monitoring system which uses a piezoelectric film transducer on either a bearing, bearing support structure, or on a separate washer in close proximity to a bearing for monitoring bearing performance. One embodiment provi... | 10/14/1997 |
| 5675084 | Method and device for testing gas carrying pipelines For reducing the coupling liquid carried along during the performance of a test run of a device for testing gas carrying pipelines, the invention provides an ultrasonic gas carrying pipeline testing method, in which an overpressure is produced in a space ... | 10/07/1997 |
| 5668315 | Gravity gradiometer with flexural pivot bearing A gravity gradiometer for measuring off-diagonal components of the gravitational gradient tensor includes a housing having a pair of electromagnetic shield enclosures (22, 23) arranged one inside the other, and a body (25) including superconducting materi... | 09/16/1997 |
| 5665919 | High frequency vibration test fixture with hydraulic servo valve and piston actuator A vibration test fixture includes a reciprocating slip plate carrying an article subjected to vibration and shock testing. A pair of opposed, spaced apart low oil pressure hydrostatic linear bearings support the slip plate during reciprocating single-axis... | 09/09/1997 |
| 5665924 | Gas sampling point for smoke/pollution detection system A sampling point (110) for use in a pollution/smoke detection system for fixture to an apertured panel in a building, this system including a plurality of said sampling points (110) for connection to an aspirated gas reticulation system for drawing gas fr... | 09/09/1997 |
| 5663486 | Mechanical linear guide A mechanical linear guide for making a body move in an axial direction, comprising a system which is preferably made up of reinforced leaf springs and/or hole-type hinges, and which is rotationally symmetrical about an axial direction and mirror-symmetric... | 09/02/1997 |
| 5661243 | Sheet material detector A sheet material detector has an ultrasonic transmitter and an ultrasonic receiver spaced from one another to permit the passage of a sheet of material therebetween in use. The transmitter and the receiver are mounted on a support to transmit and receive ... | 08/26/1997 |
