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| Number | Title | Issue Date |
| 7372780 | Timing system and device and method for making the same A timing device for indicating the passage of a duration of time is disclosed. The timing device in accordance with the embodiments of the invention comprises an electrochemical component that generates a visual and/or audio indication of the passage a duration of t... | 05/13/2008 |
| 7322744 | Temperature measurement device A temperature measuring device includes a temperature-responsive element that mechanically moves a first inductive assembly component relative to a second inductive assembly component in response to temperature changes. The movement of the first inductive assembly c... | 01/29/2008 |
| 7294379 | Color changing device for time indicating label and methods of making and using the same The present invention relates to the present invention relates to a time indicating label comprising (a) a label substrate having a first and second surface, (b) an acid-base indicator composition, and (c) an activator composition, wherein one of (b) or (c) are on t... | 11/13/2007 |
| 7284412 | Moisture detection apparatus A moisture detection apparatus is installed within a building below a critical area of the building's envelope and has a casing, which may be telescoping, and which as a window on one or both ends. An absorbent material is disposed within an interior chamber of the ... | 10/23/2007 |
| 7254095 | Timing system and device and method for making the same A timing device for indicating the passage of a duration of time is disclosed. The timing device and system, in accordance with the embodiments of the invention, comprise an electrochemical component which generates a visual and/or audio indication of the passage of... | 08/07/2007 |
| 7214914 | Method of operating microwave oven and determining the cooking time A method of operating a microwave oven to determine the correct cooking time for a food item placed within the oven. A food package having a thermochromic element which changes color over a predetermined temperature range is placed in the microwave oven. Microwave e... | 05/08/2007 |
| 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 |
| 7153470 | Method of modeling sanitation levels in food processing equipment A method of creating a sanitation level model with respect to a predefined microorganism in food processing equipment is provided. The method includes generally three steps. First, a temperature history during a use cycle of the food processing equipment is created.... | 12/26/2006 |
| 7137738 | Recloseable storage bag with porous evacuation portal A recloseable storage bag is disclosed which may include first and second sides having closed sides and an open top. Primary closure members may be provided proximate the top, with a secondary closure element being provided in one of the sides to enable gas to be ev... | 11/21/2006 |
| 7083805 | Edible holographic products, particularly pharmaceuticals and methods and apparatus for producing same An edible product such as a unit dosage form of a pharmaceutically active substance includes a layer of a material that can receive and retain a high resolution microrelief that can convey information. The microrelief is themo-formable, preferably formed from an aqu... | 08/01/2006 |
| 7027958 | Food quality and safety model for refrigerated food A system and method according to the invention includes a communication network and a food product manager in communication with a monitored location through the communication network, wherein the manager receives product-temperature condition information from the m... | 04/11/2006 |
| 7011037 | Changed condition indicator A device and method of making a device for indicating a change in condition is disclosed. A first embodiment is a device for indicating a transition from a frozen condition to a thawed condition is disclosed. The device includes a housing and a capsule. A first reac... | 03/14/2006 |
| 6787108 | Plural intrinsic expiration initiation application indicators A device for monitoring the expiration of goods includes a substrate and an unreacted composition affixed thereto which is intrinsically reactive to one or both of its thermal environment and the length of time following activation. The reactivity results in a color... | 09/07/2004 |
| 6757492 | Method of verifying the usabilty of photosensitive film product just prior to use A method of verifying the usability of a photosensitive film product just prior to use by applying at least one environmental sensitive label to the photosensitive film product. The environmental sensitive label has at least one cumulative time-temperature indicator... | 06/29/2004 |
| 6737274 | Comparator for time-temperature indicator A comparator for use with a time-temperature indicator wherein the time-temperature indicator includes an active portion having an initial color and which undergoes chemical changes as time elapses and at a rate related to the temperature of the surrounding environm... | 05/18/2004 |
| 6472214 | Freeze monitoring device A device composed of (1) a color changing indicator, (2) an optional polymeric binder, preferably having gel forming capability, and (3) an activator solvent system which induces a color change in the indicator when device is frozen, in the region of abou... | 10/29/2002 |
| 6461653 | Ice confection with controlled transparency A frozen ice confection of fixed shape is described which has its opacity controlled in relation of the temperature of the confection. The confection may also have an imbedded indicia which becomes view able as the transparency of this frozen confection i... | 10/08/2002 |
| 6410896 | Shielding method for microwave heating of infant formula to a safe and uniform temperature A shielding method for achieving highly uniform temperatures in liquids during microwave heating by substantially enhancing vertical mixing currents in said liquids, making determinations of final temperature reached in said liquids either by touch or the... | 06/25/2002 |
| 6382125 | Temperature control material and temperature control method using the same Temperature control is carried out with a temperature control material comprising a temperature indicator whose developed color density differs according to temperature, which is irreversible at environmental temperature, which changes its color according... | 05/07/2002 |
| 6357383 | Frozen food thaw indicator and method for making the same A defrosting indicator for frozen foods is made from a piece of transparent tape and a layer or multiple layers of absorbent material. The indicator also includes a segment of a frozen ink cartridge of the kind used in ball point pens. The absorbent mater... | 03/19/2002 |
| 6224918 | Pop-up novelty presentation method for microwave food product This invention relates to the technical field of culinary arts. It includes an amusing way of presenting a novelty item such as a figurine or other promotional or warning message during the heating of a microwave food package which may also serve as a foo... | 05/01/2001 |
| 6222168 | Shielding method for microwave heating of infant formulate to a safe and uniform temperature A shielding method for achieving highly uniform temperatures in liquids during microwave heating by substantially enhancing vertical mixing currents in said liquids, making determinations of final temperature reached in said liquids either by touch or the... | 04/24/2001 |
| 6165519 | Filter for adsorption from and/or dispersion of ingredients into a fluid A filter for the adsorption of ingredients from and/or the dispersion of ingredients into a fluid includes a matrix which has a plurality of particles having an inherently active surface or an active surface made of a fluid treating material. The particle... | 12/26/2000 |
| 6103351 | Time and temperature integrating indicator device Time and temperature integrating devices for providing a visually observable indication of cumulative thermal exposure are disclosed comprising (a) a substrate having thereon a thermally sensitive image-forming area comprising a combination of (i) an orga... | 08/15/2000 |
| 6040565 | Oven operation only upon detecting of an identification mark on a food or beverage container placed in the oven An oven and a vessel having a food-stuff or beverage in it cooperate to provide optimum operation of the oven to cook or heat the food-stuff or beverage. The vessel is dimensioned to fit within the oven and has an information carrier for indicating the te... | 03/21/2000 |
| 5997927 | Indicator, an associated package and associated methods An indicator including an indicator product that is adapted to change visual appearance, an indicator scale in near adjacency to the indicator product including substantially all of the visual appearances that the indicator product can display and a binar... | 12/07/1999 |
| 5994683 | Container sensing system and microwave oven using the same A container sensing system for controlling the heating in a microwave oven of a container carrying control information which may be read by an optical reading device. The optical reading device includes a light transmitter and a light receiver for sensing... | 11/30/1999 |
| 5994677 | Vessel for preparation or cooking of e.g. food-stuffs and beverages by heating A method for controlling a heating procedure in an oven by using an optically readable information carrier with or on the heating object. The oven may be provided with an optical reading device for touchless reading of the information carrier before and/o... | 11/30/1999 |
| 5735607 | Shape memory alloy thaw sensors A sensor permanently indicates that it has been exposed to temperatures exceeding a critical temperature for a predetermined time period. An element of the sensor made from shape memory alloy changes shape when exposed, even temporarily, to temperatures a... | 04/07/1998 |
| 5695284 | Thaw indicator unit and method of manufacture A thaw indicator unit for sensing and permanently recording a thawing event experienced by a temperature sensitive food or other item, the unit having a container of transparent, non-toxic material, and having a hermetically sealed chamber containing a fr... | 12/09/1997 |
| 5662419 | Time-temperature monitor and recording device and method for using the same A time-temperature monitor is provided that is adapted for indicating the amount of accumulated time during which the ambient temperature adjacent to the monitor is above a predetermined temperature. The time-temperature monitor comprises a viscous, non-N... | 09/02/1997 |
| 5531180 | Device serving as indicator of thermal history especially for frozen products and the like A device for indicating a time-temperature thermal history of a refrigerated product over a specific temperature range. The device includes a container having a high-viscosity fluid therein, the fluid remaining in either a liquid or gaseous state over the... | 07/02/1996 |
| 5529931 | Time-temperature indicator for establishing lethality of high temperature food processing There is presented an indicator capsule for determining temperature and t exposure required for food processing comprising a cylindrical tube having a closed end and an open end, a cap for connection to and removal from the open end to close and open the... | 06/25/1996 |
| 5490476 | Temperature indicator for deep-frozen products An apparatus for checking deep-frozen food, which irreversibly indicates if an additional storage temperature has been exceeded, is described. A flat plastic bag having transparent walls, into which eutectic mixture having a liquid/solid phase transition ... | 02/13/1996 |
| 5464968 | Device for the control and detection of adequate heat levels in microwave ovens A process for controlling the microwave heating of a product to a temperature which is higher than or equal to a determined temperature for a period which is longer than or equal to a determined period, a marking support and a receptacle for product inten... | 11/07/1995 |
| 5460117 | Temperature indicator for refrigerated products Temperature indicator for refrigerated products operating on the principal of solidification and melting of liquid bodies at room temperature is provided with a transparent envelope containing a capsule filled with an aqueous solution which is liquid at r... | 10/24/1995 |
| 5443851 | Temperature sensitive valve for atmosphere control for film packaged products Packaging apparatus and method, for use in controlled atmosphere packaging of horticultural produce in controlled permeability film. A valve apparatus mounted on or in a packaging film including a temperature sensitive sensor formed from a bimetallic or s... | 08/22/1995 |
| 5368905 | Heat-sensitive indicator In the heat-sensitive indicator herein disclosed, a colored heat-fusible substance 3 is accommodated in an inner hollow portion of a projection 1 which is formed from a film collapsible by application of an external pressure such as a finger-pressure. The... | 11/29/1994 |
| 5267794 | Process for the production of an indicator for monitoring the temperature of a cooled or deep-frozen product, and a method for using the indicator A process for the production of an indicator for monitoring the temperature of a cooled or deep-frozen product, such as packaged foodstuffs, pharmaceuticals and the like, is provided, which indicator shows that a predetermined critical temperature of the ... | 12/07/1993 |
| 5254473 | Solid state device for monitoring integral values of time and temperature of storage of perishables An indicator composition and process capable of changing color in relationship to its exposure to a temperature above and below a base line temperature and to the time of said exposure, for monitoring the time-temperature history of a substrate, depositab... | 10/19/1993 |
