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| Number | Title | Issue Date |
| 8061892 | Devices and methods for assessing a sample's temperature exposure history Device and methods are provided for assessing a temperature exposure history of a sample that is comprised of a nonmetallic material. To assess the temperature exposure history, the pre-exposure and post-exposure electronic states of the sample are compared. Changes... | 11/22/2011 |
| 7780345 | Method and apparatus for a temperature sensor for measuring peak temperatures A method and apparatus for an irreversible temperature sensor for measuring a peak exposure temperature. The apparatus is fabricated by printing an admixture of conductive nanoparticles on a dielectric substrate to form a film. The film has an electrical resistance ... | 08/24/2010 |
| 7534029 | In-situ temperature detection in high temperature ceramic structures Ceramic structures such as catalyst supports or combustion exhaust filters that incorporate combinations of high temperature phase change materials, and methods for determining the thermal history of such ceramic structures, by disposing the phase change materials o... | 05/19/2009 |
| 7387438 | Reusable, resettable, critical temperature indicator A transparent vacuum formed vessel 1 is filled with a liquid 3 at room temperature that will become a solid at freezing temperature and a low density float material 4. After freezing, the vessel is turned upside down so that upon thawing, the vi... | 06/17/2008 |
| 7370437 | Sheet handling device with a print surface and a feed plate A sheet handling device for a printer or copier which includes a print surface for supporting a first surface of a sheet, a feed plate having an edge adjacent to the print surface, and a feed mechanism for feeding the sheet to the print surface through a gap between... | 05/13/2008 |
| 7352461 | Particle detecting method and storage medium storing program for implementing the method A particle detecting method which is capable of detecting the number of low-speed particles accurately, and a storage medium storing a program for implementing the method. Intensity of scattered light generated when a light emitted into a gas stream is scattered by ... | 04/01/2008 |
| 7346386 | Temporal artery temperature detector Body temperature measurements are obtained by scanning a thermal radiation sensor across the side of the forehead over the temporal artery. A peak temperature measurement is processed to compute an internal temperature of the body as a function of ambient temperatur... | 03/18/2008 |
| 7284904 | Electronic clinical thermometer An electronic clinical thermometer has a probe including a temperature sensor and a heat flux sensor which are controlled to make measurements at specified time intervals. The measured values are used in solving the equation of heat conduction to estimate the temper... | 10/23/2007 |
| 7275863 | Threshold calorimeter/shelf life monitor Threshold calorimeter/shelf life monitors having a thermally moderating housing containing a liquid solution and one or more low melting point solids all having properties correlated relative to one another and calibrated to closely match a thermal decay profile (ti... | 10/02/2007 |
| 7270476 | Electronic clinical thermometer with quick temperature estimating device An electronic clinical thermometer has one of two temperature measuring devices each for measuring a live body temperature. A temperature estimating device estimates an equilibrium body temperature from a first data item related to change in temperature measured by ... | 09/18/2007 |
| 7231298 | Environment detection system An environment detection device for detecting a plurality of environmental conditions comprising a housing unit. The housing unit contains a plurality of sensors, a battery, and a memory storage device. The housing unit further includes a circuit board electrically ... | 06/12/2007 |
| 7213967 | Method and system for conservative evaluation, validation and monitoring of thermal processing A method of generating a temperature measurement for a batch or a continuous stream of material. The method includes providing a particle having a signal that changes at a pre-determined temperature; inserting the particle into the batch or continuous stream; and de... | 05/08/2007 |
| 7097353 | Method and device for indicating temperature Disclosed is a temperature indicating method and device. The device embodies a sealed tube containing a liquid and a float. The tube has markings on the exterior indicating temperature zones or, in the alternative, temperature gradients. The method disclosed include... | 08/29/2006 |
| 7066644 | Apparel indicating thermometer The apparel indicating thermometer has a housing, a circular dial board disposed within the housing, a pointer situated on the face of the dial board, and a thermometer movement attached to a back surface of the housing. The thermometer movement has an arbor which r... | 06/27/2006 |
| 7059767 | Electronic clinical thermometer An electronic clinical thermometer has a probe including a temperature sensor and a heat flux sensor which are controlled to make measurements at specified time intervals. The measured values are used in solving the equation of heat conduction to estimate the temper... | 06/13/2006 |
| 7011445 | Maximum/minimum thermometer This invention relates to maximum/minimum thermometer of the type comprising an expansion liquid, a transfer liquid and indexes for recording the maximum and minimum temperatures. Described in particular are new transfer liquids designed to replace conventionally us... | 03/14/2006 |
| 7004620 | Method and system for conservative evaluation, validation and monitoring of thermal processing A method of generating a temperature measurement for a batch or a continuous stream of material. The method includes providing a particle having a signal that changes at a pre-determined temperature; inserting the particle into the batch or continuous stream; and de... | 02/28/2006 |
| 7004621 | Method of monitoring temperature exposure The invention is a method of monitoring the temperature to which an object has been exposed. The invention comprises combining a Time-Temperature Indicator (TTI) with an electronic monitoring device to determine whether the temperature to which the object has been e... | 02/28/2006 |
| 6987399 | Systems and method for testing and recording temperatures of a CPU A system for testing and recording temperatures of a central processing unit (CPU) includes a temperature detecting unit (11) for detecting a current temperature of the CPU at a test time; a temperature data storing unit (12) for storing test results a... | 01/17/2006 |
| 6935425 | Method for utilizing microflowable devices for pipeline inspections Microflowable devices can be used in pipelines to perform inspections. Disclosed are methods of using microflowable devices to measure parameters of interest within a pipeline to inspect the pipeline for conditions such as stress, corrosion, wall erosion and the lik... | 08/30/2005 |
| 6924148 | Reactivity control in substituted diacetylenic monomer shelf life monitoring systems A product shelf life monitoring system comprising an active substituted diacetylenic monomer component indicator composition is responsive to an integral of varying temperature over time to effect a solid state polymerization in the active monomer which results in a... | 08/02/2005 |
| 6524000 | Time-temperature indicators activated with direct thermal printing and methods for their production Recording materials are converted in a direct thermal imaging apparatus to time temperature indicators by exposure to heat from the thermal print head of a direct thermal printer. Methods for converting a recording material to a time temperature indicator... | 02/25/2003 |
| 6501384 | Electronic candy and oil thermometer An electronic candy and oil thermometer includes a housing having a visual display for displaying indicia associated with a plurality of candy cooking stages and a plurality of fried foods. The housing includes a controller having operating protocols and ... | 12/31/2002 |
| 6292685 | Temporal artery temperature detector Body temperature measurements are obtained by scanning a thermal radiation sensor across the side of the forehead over the temporal artery. A peak temperature measurement is processed to compute an internal temperature of the body as a function of ambient... | 09/18/2001 |
| 6286992 | Axle temperature monitor A method of monitoring the temperature of an axle includes the steps of reading temperatures from an axle of a vehicle, comparing the read temperatures with expected temperatures, and sending warning signals when necessary. A temperature sensor may be use... | 09/11/2001 |
| 6119471 | Refrigerator for container Cooling operation is performed so as to keep a freezer at a selected temperature. Moreover, if the cooling operation enters a phase where the freezer temperature is higher than the selected temperature by a predetermined deviation or more, not only the de... | 09/19/2000 |
| 6042264 | Time-temperature indicator device and method of manufacture A time-temperature indicator label for measuring the length of time to which a product has been exposed to a temperature above a pre-determined temperature is provided. The period of time of exposure is integrated with the temperature to which the indicat... | 03/28/2000 |
| 6027245 | Apparatus for measuring a temperature of a substrate during a drilling operation The present invention provides a system for recording a heat exchange event within a drilled hole wall of a substrate during a drilling process. In particular, the invention includes a thermal sensitive film placed in contact with a substrate which is to ... | 02/22/2000 |
| 6019509 | Low melting gallium, indium, and tin eutectic alloys, and thermometers employing same A clinical thermometer with maximum function with a non-toxic eutectic Ga alloy as measuring fluid 14 inside a measuring tube 13 which provides adhesion forces larger than the cohesion forces inherent in liquid 14. To reach the maximum function, therefore... | 02/01/2000 |
| 5800060 | Clinical thermometer A clinical thermometer registers the maximum temperature reached and uses as the thermometric fluid a non-toxic gallium/indium alloy which adheres to the walls of the thermometer measuring tube, the adhesive force being greater than the internal cohesive ... | 09/01/1998 |
| 5709472 | Time-temperature indicator device and method of manufacture A time-temperature indicator label for measuring the length of time to which a product has been exposed to a temperature above a pre-determined temperature is provided. The period of time of exposure is integrated with the temperature to which the indicat... | 01/20/1998 |
| 5710605 | Remote control unit for controlling a television and videocassette recorder with a display for allowing a user to select between various programming schedules A universal remote control unit for controlling a television and videocassette recorder including a data input mechanism securable to a telephone line for receiving signals from an external supplier representing television programing schedule items; a dis... | 01/20/1998 |
| 5313848 | Disposable electronic monitor device Apparatus for monitoring an externally applied parameter to selected products. The invention involves a housing enclosing a sensor, and a monitoring and output network. The sensor has a characteristic that varies in some predetermined manner with variatio... | 05/24/1994 |
| 5215378 | Dual temperature indicator A dual temperature indicator providing visual indications when exposed to predetermined high or low temperatures. The indicator has a bulb with a capillary tube and an attached high temperature indicator structure. The bulb has a first liquid which also f... | 06/01/1993 |
| 5188457 | Measurement of the maximum temperature attained by an article A method for determining the maximum temperature attained by an article formed of a nickel-based superalloy includes furnishing an article made of a nickel-based superalloy having a gamma/gamma-prime structure at intermediate temperatures and a single pha... | 02/23/1993 |
| 5018874 | Temperature monitoring device containing at least one element of an alloy which memorizes its shape This device comprises a casing of synthetic material containing a motor element made of at least one alloy which memorizes its shape and having associated with it a movement transmission element consisting of a piston and a rod and acting on at least one ... | 05/28/1991 |
| 4959804 | Parameter measuring apparatus A parameter measuring apparatus includes a constant signal circuit incorporating a sensor having a known response to a given parameter for outputting a signal representing the parameter. The constant signal circuit further includes circuitry defining uppe... | 09/25/1990 |
| 4819250 | Apparatus for measuring temperature at a hot point along an electrical energy transmission cable Apparatus for measuring temperature at a hot point along an energy transmission cable (1) when the temperature exceeds a fixed limit temperature, the apparatus comprising a tube (3) containing a liquid which is vaporizable in the vicinity of said limit te... | 04/04/1989 |
| 4799190 | Data selection circuits, systems and methods Data processing methods and circuit arrangements are provided whereby out of a succession of data, some or most of which are false due to interference or noise, only those most likely to be true are selected for transmission to following stages of process... | 01/17/1989 |
| 4744038 | Fire detector equipped with a sensor A fire detector is equipped with a sensor which detects physical quantities such as heat, light or smoke and which, in particular, stores the time when the fire detector responds or generates an alarm and also stores the output level of the sensor at such... | 05/10/1988 |
