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| Number | Title | Issue Date |
| 8122844 | Freeze indicators with a controlled temperature response A freeze indicator can include an indicator dispersion having an aqueous liquid medium and organic material indicator particles dispersed in the aqueous liquid medium. The indicator dispersion can have an initial appearance before freezing and an irreversibly differ... | 02/28/2012 |
| 8061294 | Temperature-sensitive indicator To provide a temperature-sensitive indicator which, when using the temperature-sensitive indicator having a capsule packed with a heat-sensitive material, enables easy rupture of the capsule, without being affected by the temperature of a finger of a user. The indic... | 11/22/2011 |
| 8033237 | Environmental condition cumulative tracking integration sensor using shape memory polymer The present invention utilizes the unique shape recovery properties of shape memory materials, especially shape memory polymers, to provide an inexpensive and easily identified method of determining when a product has been exposed to environmental conditions that wo... | 10/11/2011 |
| 7891310 | Freeze indicators, flexible freeze indicators, combination indicators and manufacturing methods Freeze indicators providing a visual indication of exposure of the freeze indicator to a freezing or near-freezing temperature and their manufacture are disclosed. The freeze indicators employ colloidal dispersions as active elements and include flexible freeze indi... | 02/22/2011 |
| 7845305 | Temperature-indicating element for a refrigeration device A temperature-indicating element for a refrigeration device, including a support or backing, a thermochromic layer applied to the backing for indicating the temperature is suitable for items stored in the location of the element. A transparent potting compound encom... | 12/07/2010 |
| 7770534 | Changed condition indicator A system and method for indication of temperature exposures beyond a set of predetermined limits employs the salts of weak acid-strong base or of a strong acid-weak base compound as reactants. A device includes a housing and capsule. A first reactant and a liquid ar... | 08/10/2010 |
| 7712431 | Thermochromic washer for monitoring performance or integrity of electrical connections Washers partially coated with a thermochromic material are incorporated into bolted electrical connections to monitor or record temperature changes undergone by the electrical connections as indications of the performance or integrity of the electrical connections. ... | 05/11/2010 |
| 7628117 | Over temperature alarm indication apparatus The present invention relates to an over temperature alarm indication apparatus. In order to solve the problem of high cost in the prior art, the apparatus in the present invention comprises a first sealed and transparent container with fixed cubage and a second sea... | 12/08/2009 |
| 7628116 | Shape memory polymer temperature sensing devices and methods of use A temperature sensing device includes two or more strips, wherein each of the two or more strips comprises a shape memory polymer adapted to undergo a change in a modulus of elasticity at a thermal transition temperature. A method comprises contacting two or more st... | 12/08/2009 |
| 7624698 | Freeze indicators suitable for mass production A freeze indicator employs, as active indicator element, dispersion of solid particles in a liquid medium which can be water or aqueous and which coagulates to provide an irreversible appearance change when subject to freezing. The liquid dispersion can be contained... | 12/01/2009 |
| 7607402 | Temperature responsive systems A shape memory material activated device of the present invention uses a shape memory material activator to create a path through a shell wall of the device. The path through the shell wall may release a substance contained in the shell or allow a substance to enter... | 10/27/2009 |
| 7571695 | Freeze indicators, flexible freeze indicators and manufacturing methods Freeze indicators providing a visual indication of exposure of the freeze indicator to a freezing or near-freezing temperature and their manufacture are disclosed. The freeze indicators employ colloidal dispersions as active elements and include flexible freeze indi... | 08/11/2009 |
| 7490575 | Combination freeze indicators A combination temperature exposure indicator suitable for attachment to, or association with, a host product has a substrate, a freeze indicator supported by the substrate and a cumulative ambient time-temperature indicator also supported by the substrate. The freez... | 02/17/2009 |
| 7481178 | Radio-interrogable data storage medium A radio-interrogable data storage medium having a carrier in which electric components are embedded, and a component for optically signaling a previously assumed operating state. Also, a method for operating the radio-interrogable data storage medium, including the ... | 01/27/2009 |
| 7451722 | Internal temperature measuring device An inexpensive reusable device for measuring the temperature distribution in a substrate, such as meat, poultry, or fish, is disclosed. The device is easy to read, fast and convenient and low in cost without the use of batteries. The device, which utilizes thermochr... | 11/18/2008 |
| 7415939 | Temperature sensitive indicator It's a device whose purpose is to monitor the storage and indicate that a frozen product has been subjected to a thermal variation, with temperature rise, causing the fusion and liquefaction of a fluid (H) contained in the indicator. The indicator comprises a hollow... | 08/26/2008 |
| 7360946 | Time temperature indicators linked to sensory detection A thermal history indicator comprising a temperature sensitive material, a sensing device, a heat insulating material functioning to buffer the temperature sensitive material against temperature change, and an activation means. The triggering of the activation means... | 04/22/2008 |
| 7343872 | Freeze indicators suitable for mass production A freeze indicator employs, as active indicator element, dispersion of solid particles in a liquid medium which can be water or aqueous and which coagulates to provide an irreversible appearance change when subject to freezing. The liquid dispersion can be contained... | 03/18/2008 |
| 7290925 | Full history time-temperature indicator system A full-history time-temperature indicator system which is capable of exhibiting a time-temperature dependent and visually detectable chemical reaction, useful for monitoring the time and temperature exposure of food products. The system comprises an immobilized reac... | 11/06/2007 |
| 7287485 | Temperature activated systems A shape memory material activated device of the present invention uses a shape memory material activator to create a path through a shell wall of the device. The path through the shell wall may release a substance contained in the shell or allow a substance to enter... | 10/30/2007 |
| 7278369 | Temperature indicator using thermochromic materials A temperature indicator for a rubber article comprises a thermochromic material, wherein the thermochromic material is a component of a rubber article selected from the group consisting of tires, belts and hoses. A rubber article containing a temperature indicator i... | 10/09/2007 |
| 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 |
| 7268660 | Low battery indicator A low battery indicating device is disclosed for indicating that a battery has low power. The device includes an indicator having a body movable between a retracted, unactuated position and an extended, actuated position. The indicator is visible when in the actuate... | 09/11/2007 |
| 7258073 | Pictorial thermometer A thermometer comprising a base sheet adapted to be secured to a window or other surface, the sheet includes distinct thermally actuated latent images thereon and each of which is adapted to reversibly depict a different article of clothing once a pre-determined tem... | 08/21/2007 |
| 7252431 | Water temperature monitoring apparatus An apparatus generally including a housing, a power source, a temperature sensor, a display and a circuit. The housing may have a bore adaptable to receive a flow of water. The power source may be operational for generating electricity and coupled to the housing. Th... | 08/07/2007 |
| 7246570 | Indication film for temperature and temperature distribution measurement and related method A method of determining temperature and temperature distribution over the surface of an object includes (a) applying a temperature sensitive film composed of material displaying change in color as a function of temperature on a surface of an object; and (b) comparin... | 07/24/2007 |
| 7232253 | Time indicator and method of manufacturing same A time indicator comprising a first reservoir (13), a migration medium (11) and activating means for bringing liquid from the first reservoir (13) in contact with the migration medium (11) so that after activation the liquid migrates thro... | 06/19/2007 |
| 7229210 | Self-standing fish tank thermometer A self-standing aquarium thermometer includes an impermeable self-standing housing disposed within an aquarium containing a predetermined volume of water, the self-standing housing has a lower cavity for receiving a weighting element, which has a predetermined weigh... | 06/12/2007 |
| 7212955 | Consumer product status monitoring Data associated with at least one characteristic associated with the viability of a product is monitored. The data associated with the at least one characteristic is analyzed, and based on the analyzing, at least one future viability state condition of the product i... | 05/01/2007 |
| 7195202 | Method and device for improving the thermal comfort in passenger airplanes The invention relates to a method for improving the thermal comfort in passenger planes by means of a heat-reflecting coating with a low thermal emission coefficient, and airplanes and airplane parts bearing this coating. According to the invention, the coating is a... | 03/27/2007 |
| 7196298 | Device for achieving a temperature controlled heating of solid food by indicating a temperature change of the solid food caused by microwave heating A device is provided for temperature controlled heating of primarily solid food in a microwave oven, which includes a block of polymeric material which is thermally insulated with respect to the food and which is provided so as to be exposed to a same microwave radi... | 03/27/2007 |
| 7185955 | Visual indicator for pressurized hub A tactile and visual indicator is mounted on the hub cap of an axle of a vehicle. The indicator has a deformable face that protrudes away from the hub cap in response to the presence of pressurized air in the space containing the wheel bearings. The position of the ... | 03/06/2007 |
| 7185601 | Chemically sensitive warning apparatus and method A chemically sensitive warning apparatus capable of changing colors upon contact with a chemical is disclosed. The apparatus preferably comprises an elongated tape having opposed, first and second major surfaces and warning indicia visible to an individual viewing t... | 03/06/2007 |
| 7178439 | Blind cutting center A method and apparatus for sizing window coverings slidably extendable from a bay into an aisle of a retail outlet. The method includes the steps of locating the center of the window covering relative to a cutting station utilizing a half scale for removing a portio... | 02/20/2007 |
| 7162858 | Push-pull cable and method of manufacturing thereof A push-pull cable is provided. The cable includes a central wire, a first set of wires wrapped around the central wire, and a second set of wires wrapped around the first set of wires. A coating is then formed around the second set of wires. Also provided is a metho... | 01/16/2007 |
| 7141350 | Article of manufacture having a performance verification indicator An article of manufacture has an environmental sensitive label with at least one cumulative time-temperature indicator and at least one thermal event indicator thereon. The cumulative time-temperature indicator and the thermal event indicator each provides an indepe... | 11/28/2006 |
| 7118272 | Method and apparatus for optically detecting and locating a fire in an enclosed space Thermally reactive elements of an intumescent material that expands when heated above a trigger temperature are arranged in an enclosed space, e.g a freight compartment of an aircraft. An optical sensor in the enclosed space has a field of view encompassing the elem... | 10/10/2006 |
| 7112766 | Enhanced visibility heat alert safety device for hot surfaces A hot-button type heat alert safety device attachable to a surface, such as metal or glass, for warning individuals that the surface is hot, comprising a thermochromic composition, a button-shaped container for housing the composition, having a convex face, the conv... | 09/26/2006 |
| 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 |
| 7082890 | Gauge pointer with integrated shape memory alloy actuator An actuated gauge pointer that includes a shape memory alloy element configured to move the gauge pointer when activated is provided. The actuated gauge pointer includes a first shape memory alloy element disposed within the perimeter of the gauge pointer housing. A... | 08/01/2006 |
