Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8066432 | Temperature sensitive films Temperature-sensitive films that undergo an irreversible change in appearance when the films are heated to a threshold temperature are provided. Also provided are methods for indicating that an object in thermal contact with a temperature-sensitive film has reached ... | 11/29/2011 |
| 8029190 | Method and articles for sensing relative temperature A method for determining the relative body temperature of a warm-bodied animal is described. The method, in part, involves an article of manufacture that provides a manifestation, or visually observable indication on an exterior surface, of a relative state of the w... | 10/04/2011 |
| 8021041 | Image forming apparatus An image forming apparatus that can accurately detect whether any one or multiple of a thermochromic member, an optical sensor, and a cooling fan are operating normally or abnormally, and accordingly can run the cooling fan without any failure. The image forming app... | 09/20/2011 |
| 7556425 | Dual-wall container with heat activated and/or temperature-change activated color changing capability Dual-wall container includes an outer wall that is at least one of at least partially substantially transparent and at least partially substantially translucent, an inner wall adapted to contain a substance, at least one symbol arranged an outer surface of the inner... | 07/07/2009 |
| 7517146 | Color-retaining excess-temperature exposure indicator An excess temperature indicator can provide a visual indication of past exposure of perishable, maturing and other host products to an elevated temperature exceeding a threshold temperature. The indicator can have an upper layer provided with a viewing window and a ... | 04/14/2009 |
| 7430982 | Printed TTI indicators The present invention relates to time-temperature integrating indicators, also known as TTI indicators, which are easily printable on substrates, such as packaging materials, and to a method for the manufacture of packaging materials comprising printed TTI indicator... | 10/07/2008 |
| 7422913 | Method for checking a condition of a heat treatment A method for connecting terminals is provided. The method includes steps of a) providing a board having a first terminal thereon; b) performing a check of a heat treatment by using a thermal sensitive paper in order to determine a optimal condition of the heat treat... | 09/09/2008 |
| 7371511 | Polydiacetylene polymer blends Polymer blend compositions that include diacetylene segments are provided. The polymers containing diacetylene segments are capable of a calorimetric indication in response to stimuli, such as heat, an analyte or exposure to certain environmental factors, despite be... | 05/13/2008 |
| 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 |
| 7364918 | Colorimetric sensors constructed of diacetylene materials Colorimetric sensors comprising a receptor incorporated within polydiacetylene assemblies to form a transducer capable of indicating a color change when contacted with an analyte are disclosed. Methods of using the colorimetric sensor and a kit for the colorimetric ... | 04/29/2008 |
| 7364357 | Thermochromic lid for cookware A lid for article of cookware is covered over a considerable portion of its surface with a thermochromic ink or paint to form a first thermochromic indicator. This first thermochromic indicator undergoes a readily visible change in appearance to notify the cook that... | 04/29/2008 |
| 7362663 | Elapsed time indicator device The invention provides an electronic printed chromatic elapsed time indicator device comprising a switch, a power source and a power driven elapsed time display for indicating the elapse of a limited predetermined segment of time upon activation of the switch and ir... | 04/22/2008 |
| 7350973 | Color changing thermometer The invention includes a thermometer with a backlight and a method for lighting the backlight. The thermometer has temperature sensing tip, a processor taking temperature readings and determining a sensed temperature reading of the living being from the temperature ... | 04/01/2008 |
| 7316506 | Dual temperature indicator stick holder An apparatus to combine temperature indicator sticks used in the welding, metal fabrication, and heat treatment industries and capable of identifying at least two given temperatures is disclosed. The apparatus includes a first temperature indicator stick aligned alo... | 01/08/2008 |
| 7302846 | Temperature-sensing device for determining the level of a fluid The present invention deals with determining the level of fluid in a container. Typically, a beverage container containing a liquid will absorb heat energy from the surrounding environment at a greater rate than a gaseous component in the headspace of the beverage c... | 12/04/2007 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7264853 | Attaching a pellicle frame to a reticle A pellicle membrane is mounted between an outer frame and an inner frame. At least one of the frames is attached to the reticle without using conventional adhesives. The pellicle and reticle may be used in a lithography system. The pellicle allows radiation to pass ... | 09/04/2007 |
| 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 |
| 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 |
| 7249885 | Heat flux measuring device for pressure pipes, method for producing a measuring device, method for monitoring an operating state of a heat exchanger, heat exchanger and method for measuring a heat flux A measuring device for a heat exchanger includes a heat exchanger pressure pipe having a pipe wall with a circumference, and an indentation extending over and deforming a portion of the circumference. At least one thermocouple is disposed eccentrically in the portio... | 07/31/2007 |
| 7230207 | Heatable external mirror for motor vehicles A heatable external rearview mirror including a mirror housing for attachment to the vehicle and a mirror pane with a reflecting surface carried in the housing. A heating element is located adjacent the mirror pane for heating the pane to remove precipitation. A the... | 06/12/2007 |
| 7192187 | In-line thermometer An improved temperature measuring device for the in-line temperature measurement of fluids which does not require intimate contact of the fluid with the temperature sensing element. In addition, the invention contains no internal cavities or crevices making it very ... | 03/20/2007 |
| 7188996 | Expiration indicator A simple recording device using a stable electric resistance heater in thermal contact with an irreversible color changing time temperature material relatively insensitive to room temperatures to show and record the cumulative time an electrical appliance, battery, ... | 03/13/2007 |
| 7183455 | Adhesive dressing To provide an adhesive dressing that allows a wearer to determine growth of bacteria, if any, as early as possible when the adhesive dressing is staying on the skin of the wearer for wound healing. The adhesive dressing includes a see-through backing made of a silic... | 02/27/2007 |
| 7166333 | Decoration method A method of decorating an article, the method comprising mixing a thermochromic ink with a transparent lacquer, applying the mixture on to part or all of the surface of an article, once the mixture is set, applying a second layer of dishwasher proof transparent lacq... | 01/23/2007 |
| 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 |
| 7113070 | Door lock and operation mechanism A locking doorknob recognizes a fingerprint, in which the detecting sensor of a fingerprint is installed on the spot of the doorknob that a thumb or other fingers are placed naturally as the door is being opened. The locking doorknob is an electro-mechanical device ... | 09/26/2006 |
| 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 |
| 7097354 | Method of determining the temperature in a system comprising a molecular heater fraction and a molecular thermometer fraction The present invention is related to a method of determining the temperature in a system, said system comprising a molecular heater fraction and a molecular thermometer fraction, and to an integrated system for temperature determination and temporally and spatially r... | 08/29/2006 |
| 7080939 | Polymeric thermal history sensor An improved thermal history sensor having multiple polymeric substrates with unique compositions is disclosed. By positioning the sensor adjacent to an item subject to thermal stressors, each of the polymeric substrates react with a different rate of crystallization... | 07/25/2006 |
| 7076160 | Dispensing indicator for an active substance dispenser The indicator is a non-electric indicator and is based on a thermochromic material which is applied on a diffuser or thermodiffuser device of volatile substances (1), so that when heating of the latter takes place to evaporate the volatile substance contained... | 07/11/2006 |
| 7072248 | Rapidly low temperature curable high gas barrier coating Disclosed herein is a barrier coating that shows decreased moisture sensitivity compared to conventional coatings, and provides high barrier properties, as well as a rapid method for producing the coating. These improvements are generated through use of a boric acid... | 07/04/2006 |
| 7069169 | Method and apparatus for measuring heat flux distribution on object surface using temperature-sensitive paint An object of the present invention is to provide a method that allows the heat flux distribution on an object surface to be measured even when the heat flux is an unsteady or short-duration phenomenon, and that does not depend on the material of the object; and to p... | 06/27/2006 |
| 7063041 | Temperature sensor label A temperature sensitive piece 9 has a waxed layer 7 formed on a colored face 4 of a colored paper 6 having an arbitrary plane shape. The waxed layer 7 is formed of a mixture of a proper amount of viscous material and powdered petro... | 06/20/2006 |
| 7052177 | Temperature measurement apparatuses and method utilizing the alexandrite effect A method and apparatuses for measuring the temperature of a radiating body utilizing the alexandrite effect. The method includes the steps of generating a mathematical relationship between a hue value and temperature for an alexandrite effect filter, receiving radia... | 05/30/2006 |
| 7040805 | Method of infrared thermography A method of infrared thermography is described. The invention utilizes a high resolution infrared thermography system and associated computer in conjunction with a test chamber to determine heat transfer coefficients and film effectiveness values from a single test.... | 05/09/2006 |
| 7036452 | Thermal history indicators A temperature history indicator means for affixing to goods. A temperature related phase change in a material within the indicator leads to an indication that a high temperature event has occurred. A preferred format has a water-soluble, lipid-insoluble dye immobili... | 05/02/2006 |
