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| Number | Title | Issue Date |
| 5417494 | Contactless testing of electronic materials and devices using microwaves A method and system for probing a volume of material by detecting local conductivity in the material using microwave radiation. The probed volume of material is exposed to microwave radiation of a wavelength selected to excite the carriers of electrical c... | 05/23/1995 |
| 5368391 | Method and apparatus for high resolution analysis The present invention relates to analytical methods for determining the composition of a material that undergoes a transition as a function of a driving variable. As applied to thermogravimetric analysis (TGA), a first preferred embodiment comprises (1) d... | 11/29/1994 |
| 5364186 | Apparatus and method for monitoring a temperature using a thermally fused composite ceramic blackbody temperature probe A blackbody high temperature probe is formed by thermally fusing a coating of composite ceramic material on the tip of a high temperature lightpipe or fiber. The ceramic coating replaces conventional sputtered metallic thin films to form a blackbody optic... | 11/15/1994 |
| 5349853 | Apparatus and method for measuring and calculating exterior and interior ballistics An apparatus and method for measuring ballistics in a firearm is disclosed. The apparatus comprises (a) a device for measuring pressure in a firearm-firing-chamber disposed at least in part at the strain sensitive region, and for producing analog signals ... | 09/27/1994 |
| 5348397 | Medical temperature sensing probe A medical temperature sensing probe including a temperature responsive device having electric contacts and insulated electric conductors having one end electrically connected to a respective one of the electric contacts. Each conductor comprises a carbon-... | 09/20/1994 |
| 5344236 | Method for evaluation of quality of the interface between layer and substrate A method for the quantitative and qualitative evaluation of a nonuniform interface between a layer and a substrate is disclosed wherein thermal excitation is provided by irradiating the layer and thermal relaxation responsive to this thermal excitation is... | 09/06/1994 |
| 5326174 | Temperature indicator A temperature indicator for indicating the temperature condition of an object while subjecting the object to an external temperature environment. The temperature indicator includes a substantially transparent outer shell containing a substantially transpo... | 07/05/1994 |
| 5326171 | Pyrometer apparatus and method A method for sensing the temperature of a remote object within a chamber that is heated from outside the chamber, includes sensing radiation from the object within the chamber through a window in the wall of the chamber that exhibits different transmissiv... | 07/05/1994 |
| 5304003 | Stick-on aquarium thermometers and the like An aquarium stick-on liquid crystal thermometer with visual temperature indicator to be viewed through a first wall of an aquarium and including a transparent layer of adhesive over the temperature indicator for attaching the visual material in airtight c... | 04/19/1994 |
| 5302026 | Temperature probe with fast response time A temperature probe measures the temperature of a fluid which moves relative to the probe. The probe includes a housing, a transducer, and one or more fins. The housing has a bore with a bore axis and carries at least a portion of the fluid along the bore... | 04/12/1994 |
| 5294198 | Infrared inspection system and method employing emissivity indications A unit having differing thermal emissivities at differing regions thereof is monitored with an infrared camera for deriving a signal having magnitudes representing infrared emission from multiple pixels in the camera field of view. A computer responsive t... | 03/15/1994 |
| 5288148 | Determining the temperature at which a substance changes state Infra-red light from an emitter is directed through a glass slide to an area on which a solid substance is located. Light reflected from the undersurface of the solid substance is received by a receiver. The substance is heated by a strip heater. When the... | 02/22/1994 |
| 5282683 | Fluid-temperature testing assembly Method and an apparatus for, in the most preferred embodiment, measuring the temperature of liquid, such as urine, contained in a container using a new thermometer, referred to herein as a thermometer insert, including, at least, a thermal scale member mo... | 02/01/1994 |
| 5279159 | Measuring vessel A measuring vessel for containment of liquids to be tested such as blood, blood plasma or the like includes a rectangular well with an inlet opening at one end thereof and with another funnel-shaped end which is connected to a tubular member closed by a c... | 01/18/1994 |
| 5279252 | Fuel tank level indicator A fuel tank level indicator for indicating at a surface when a fuel tank is filled with fuel, such indicator installed on a fuel inlet pipe and having a loop pipe in line with the inlet pipe with a riser pipe at the top of the loop and a float member disp... | 01/18/1994 |
| 5277496 | High temperature optical probe A high temperature optical probe for an optical gas temperature sensor includes a support, a generally conical hollow tip, and a joint physically interconnecting the support and the tip. The tip includes as an electromagnetic radiation emitter a sapphire-... | 01/11/1994 |
| 5275488 | BOF drop-in thermocouple A BOF drop-in sensor assembly includes a handle, a weight, a sensor, and a cage to protect the sensor. The weight includes a high density material having a density of at least 1.2 times the density of steel. The cage comprises crossed rods which are easil... | 01/04/1994 |
| 5272919 | Method of measuring level of filling A method for measuring the level of filling, such as the level of oil in an automotive engine, employs a hot-wire measuring device in which a hot-wire transmitter (5) is charged with a predetermined constant current, and an increase in voltage over the ho... | 12/28/1993 |
| 5273359 | Remote high-temperature insulatorless heat-flux gauge A remote optical heat-flux gauge for use in extremely high temperature environments is described. This application is possible because of the use of thermographic phosphors as the sensing media, and the omission of the need for an intervening layer of ins... | 12/28/1993 |
| 5273360 | Food service tray assembly A food service tray assembly including a tray, a hot food dish, and an insulated dome. Hot food is served onto the dish, the dome is preheated, the food carrying dish is set on the tray, the preheated dome set over the dish, and the tray system delivered ... | 12/28/1993 |
| 5272918 | Pivotal liquid level sensor assembly A sensor assembly is provided for determining the level of liquid, such as fuel, in a tank such as a motor vehicle fuel tank. A mounting bracket has a support end adapted to be supported from the tank and also has a distal connection end. A liquid level s... | 12/28/1993 |
| 5271675 | System for characterizing pressure, movement, temperature and flow pattern of fluids A system for characterizing the pressure, temperature, movement and flow patterns of a fluid under high pressure within a test cell. The test cell is lined internally with adjustable rock facings. Pressure is measured within the test cell using a device e... | 12/21/1993 |
| 5271271 | Method and apparatus for inspection of gears Apparatus for manual inspection of gears. The apparatus is particularly useful for determination of helical angle deviation and taper in helical gears. The ear to be inspected is placed in a suitable holder, or on a smooth support surface. A selected mast... | 12/21/1993 |
| 5269181 | Apparatus and process for measuring mechanical properties of fibers A process and apparatus for measuring mechanical properties of structural fibers. The process comprises the steps of suspending at least one fiber from a rigid fixture so that it may hang vertically therefrom; attaching a mass to the fiber, thereby placin... | 12/14/1993 |
| 5271084 | Method and device for measuring temperature radiation using a pyrometer wherein compensation lamps are used Method and apparatus for measuring the radiation originating from one side of a wafer of semiconductor material using a pyrometer, wherein non-blackbody compensation radiation is projected onto that side to compensate for the reflectivity of the wafer of ... | 12/14/1993 |
| 5267474 | Liquid-level sensor A liquid level sensor has a liquid sensing element carried on the end of a curved probe which is inserted into a liquid-holding chamber. The probe can be rotated to properly locate the sensor within the chamber. A threaded nut locks the curved probe in po... | 12/07/1993 |
| 5267475 | Vertical sweep liquid level sensor A liquid level sensor is disclosed for measuring the amount of fuel remaining in the fuel tank of a motor vehicle. The liquid level sensor comprises a vertically oriented resistor element, a float, and a contact assembly. A conductive strip and a continuo... | 12/07/1993 |
| 5265958 | Testing device for thermal imagers A thermal imager testing device (10) incorporates a pattern plate (32) with patterns (P0, P1, P2 and P3) cut through it. Patterns (P0 and P1) are of like spatial frequency, whereas patterns (P2 and P3) have respective relatively higher spatial frequencies... | 11/30/1993 |
| 5263371 | Methods for temperature-compensated liquid height and leak detection measurements using quasi-static reference subsystem A method for measuring the temperature-compensated change in the height of a surface of a liquid. The method positions an acoustic signal transducer for emitting and receiving acoustic signals below the surface of the liquid, positions a quasi-static refe... | 11/23/1993 |
| 5263776 | Multi-wavelength optical thermometry Multi-wavelength optical thermometry provides for non-contact measurement of the temperature of a sample where the front surface and the back surface of the sample are used in a interferometer to measure changes in optical path length. Laser beams at two ... | 11/23/1993 |
| 5263367 | Method and apparatus for determining delivery amounts and rates of pumps in the medicotechnical field A method to determine the delivery rate and delivery volume per unit of time of a liquid involves connecting one end of a sealed tube to the outlet of the pump, with the other end being provided with a pressure sensor. The pump is activated to pump liquid... | 11/23/1993 |
| 5261747 | Switchable thermoelectric element and array A thermoelectric array, such as a thermocouple array, includes a pair of dissimilar conductors disposed adjacent to each other at a plurality of locations. A switch is provided which selectively electrically couples and decouples the conductors at each su... | 11/16/1993 |
| 5257864 | Temperature detector Zero-cross points of an ac voltage waveform (v) applied to a heat-sensitive wire (1) and an ac current waveform (i) flowing into the heat-sensitive wire (1) are detected by a zero voltage detection unit (3) and a zero current detection unit (4), and the i... | 11/02/1993 |
| 5257532 | Method and apparatus for measuring moisture content as a function of thermal response Moisture content measurements are accomplished as a function of temperature by measuring the temperature-difference versus natural-logarithm-of-heating-time response of a sample of a predetermined material during a predetermined interval of application of... | 11/02/1993 |
| 5257539 | Electronic oil level indicator An electronic oil level indicator is provided to show the amount of oil in an oil pan of an internal combustion engine which consists of a perforated housing positioned in the oil pan, so that the oil in the oil pan will enter the housing. A mechanism is ... | 11/02/1993 |
| 5255977 | Method and device for monitoring the efficiency of a condenser The invention relates to a method and to an apparatus for monitoring the heat transfer and therefore the efficiency of a condenser. A water column is formed by shutting off a condenser pipe which assumes the steam temperature Ts and whose outfl... | 10/26/1993 |
| 5255978 | Apparatus for analyzing relaxation spectra and resonances in materials by thermal stimulated recovery The present invention relates to an apparatus which is designed to employ thermal stimulated processes for analyzing relaxation spectra and resonances in materials. The invention is characterized in that at least two coupled excitation fields are applied ... | 10/26/1993 |
| 5255979 | Medical temperature probe cover A temperature probe cover for adhesively mounting a medical temperature probe on a body comprising a moisture barrier sheet having an aperture means adapted to allow at least a portion of the head of a temperature sensing probe to be inserted therethrough... | 10/26/1993 |
| 5255981 | Temperature sensor A temperature sensor has a body whose thermal expansion is evaluated in the event of a change in temperature, there being deposited on the body a layer which has a layer structure containing less than 8% by weight of phosphorus, preferably containing up t... | 10/26/1993 |
| 5255286 | Multi-point pyrometry with real-time surface emissivity compensation A multi-point non-invasive, real-time pyrometry-based temperature sensor (200) for simultaneously sensing semiconductor wafer (22) temperature and compensating for wafer emissivity effects. The pyrometer (200) measures the radiant energy that a heated sem... | 10/19/1993 |
