Quotables
"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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 |
| 8166906 | Stimulus indicating device employing polymer gels The present invention relates to a stimulus-indicating device. More particularly, the present invention relates to an apparatus for evidencing when a stimulus sensitive product has been exposed to a designated or predetermined stimulus for a certain period of time, ... | 05/01/2012 |
| 8061292 | Wetness indicating composition A wetness indicating composition is disclosed that changes color in response to a change in pH. The composition comprises a water-insoluble, thermoplastic polymer composition, a superabsorbent polymer, a wetness indicator, and surfactant. The wetness indicating comp... | 11/22/2011 |
| 8056498 | Inspection and testing indicator An indicator is disclosed that detects the presence of a chemical residue. The indicator includes a substrate having an upper surface and a lower surface and a first portion and a second portion joined at a fold line. The first portion is smaller in area than the se... | 11/15/2011 |
| 7921798 | Oxygen detector sheet and oxygen detecting agent using the same, and method for manufacturing oxygen detector sheet The oxygen detecting device (10) of the present invention includes an oxygen detector sheet having a sheet carrier (13) having a porous inorganic material filled therein which has been impregnated with an oxygen detecting fluid, and a film (11) ... | 04/12/2011 |
| 7913640 | Moisture indicator for heat and moisture exchange devices There is provided a moisture indicator for a heat and moisture exchange (HME) device that uses a pre-colorant and an activator applied to an inner surface of the HME device. The colorant undergoes a color change of Delta E (ΔE) of equal to or greater than 3 units u... | 03/29/2011 |
| 7549389 | Ball valve apparatus having a moisture indicator A ball valve apparatus for a refrigeration system is described. The ball valve apparatus comprises a ball valve for controlling flow of refrigerant and a moisture indicator for showing a moisture content of the refrigerant, and the moisture indicator and the ball va... | 06/23/2009 |
| 7472667 | Period indicator A period indicator including a liquid-permeable substrate and an indicative section which is overlaid on a portion of the substrate and which is formed from a liquid-permeable material having a low light refractive index, the indicator containing a volatile liquid, ... | 01/06/2009 |
| 7434535 | Timing device A timing device for visually determining the passage of a preselected period of time including a redox indicator and a metal salt wherein the indicator undergoes an observable change in color which is related to the desired preselected period of time. ... | 10/14/2008 |
| 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 |
| 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 |
| 7353770 | Visual wear indicator for footwear A visual wear indicator is disclosed capable of giving a visual indication of the degree of wear on an athletic or other type of shoe. In general, the visual wear indicator may operate by having two different colored regions, each having a viscosity which varies a f... | 04/08/2008 |
| 7341768 | Transfer paper for printing with an inkjet printer Transfer paper suitable for inkjet printing, provided, at least on the side to be printed, with a release or barrier layer, the layer having a porosity of at most 100 ml/min, and a method for manufacturing a transfer paper and a method for printing transfer paper wi... | 03/11/2008 |
| 7332013 | Compressed air/gas-driven tool with integrated dryness indicator An air/gas-driven tool with an integrated air/gas dryness indicator. The tool includes a housing that defines a cavity. An air/gas dryness detector is disposed in the cavity. An air/gas flow passage is situated to provide a stream of compressed air/gas to the drynes... | 02/19/2008 |
| 7321307 | Chemical time modification of an object A method for modifying an object involves determining a modification rate for the object, creating a first reservoir and a first wicking channel based on the modification rate, where the first reservoir and the first wicking channel are on the object and the first w... | 01/22/2008 |
| 7319038 | Sensor for monitoring an analyte A food spoilage sensor of the general formula wherein M is a transition metal ion; D1, D2, D3 and D4 can be the same or different and can be N or P; R1 and R... | 01/15/2008 |
| 7319037 | Fluid tester and method of use Fluid testing device for determining the value of each of a plurality of properties of a fluid, the fluid testing device including a planar base and a plurality of test sections, located on the planar base, each of the test sections including a test sub-section whic... | 01/15/2008 |
| 7316198 | Humidity indicator A humidity indicator includes a first film (F1) covering a surface of a humidity-determining plate (B), and a second film (F2) covering a back of the humidity-determining plate (B). A flat air layer (Au) is formed at least between the first film (F1... | 01/08/2008 |
| 7314237 | Pipe joint assembly A pipe joint assembly including a transparent quill; an outer quill having at least a first view port, and having at least a first outwardly extending pipe coupling thread which extends longitudinally along and helically about the outer quill, the transparent quill ... | 01/01/2008 |
| 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 |
| 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 |
| 7280441 | Visual indicator chronograph and the use of the same A timer indicator or chronograph is described. The chronograph functions according to chromatographic principles to develop a perceptible visual image or pattern on an indicator panel or display area, which serves as a means to monitor the relative amount of time th... | 10/09/2007 |
| 7255508 | Writing system and ink pen having time-dependent characteristics A writing system for producing a writing having time-dependent characteristics includes: a pen including: a reservoir containing a fluid; and a writing tip configured to dispense the fluid to a writing surface, wherein the fluid includes a first chemical; and a writ... | 08/14/2007 |
| 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 |
| 7253002 | Fluid storage and dispensing vessels having colorimetrically verifiable leak-tightness, and method of making same A chemical storage and dispensing vessel having associated therewith a colorimetric member that is effective to change color in exposure to leakage of a gas contained in the vessel. The colorimetric member may be constituted by a film, e.g., of a shrink-wrap charact... | 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 |
| 7229107 | Security seal for cargo containers The security seal for cargo containers and freight trailers which has a gas cartridge which supplies gas through a two position valve when it is opened and onto a two way valve which in the activated position supplies gas under pressure to a pressure hose looped aro... | 06/12/2007 |
| 7213534 | Device and method for detection/indication of liquid leakage An improved device for the detection of leakage is achieved when the device includes at least two components, of which at least one is capable of migrating with the liquid within the carrier, and forming a distinct color or other detectable signal with the first com... | 05/08/2007 |
| 7194781 | Windscreen wiper device with life span indicator A windscreen wiper device comprising an oscillating arm and a frame connected thereto for receiving a wiper blade, which device includes a life span indicator, characterized in that said indicator is sensitive to water. The indicator can change its color in dependen... | 03/27/2007 |
| 7189355 | Indicator for plasma sterilization The present invention relates to a chemical indicator that is used to determine whether instruments and other products to be sterilized have experienced a sterilization treatment process or to confirm whether sterilization has been efficiently performed, by the colo... | 03/13/2007 |
| 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 |
| 7159532 | Wetness indicator having improved colorant retention and durability Wetness indicating compositions having improved colorant retention and durability and to wearable articles comprising this wetness indicating composition are provided. ... | 01/09/2007 |
| 7157048 | Detection of contaminants The present invention relates to a contamination detector associated with a double bar code that includes coded indicia used to identify the presence of conditions indicative of microbial contamination, including toxic contaminants, bacterial metabolites, and other ... | 01/02/2007 |
| 7156597 | Contamination detection system A dual bar code for detecting contamination. When no contamination is present, a first bar code identifies the product. When contamination is present a second bar code identifies the presence of contaminants. ... | 01/02/2007 |
| 7153532 | Sensing gaseous substances using metal complexes A metal co-ordinated complex in a medium, e.g. a palladium-fluorophore, may be used to detect food spoilage products by the release of a detectable component by preferential binding of the metal to, for example, sulphur compounds or amines. It can be easy to detect ... | 12/26/2006 |
| 7148066 | Dye solutions for use in methods to detect the prior evaporation of anhydrous ammonia and the production of illict drugs Systems and methods providing for the introduction of a dye, particularly a xanthene dye, and more particularly a rhodamine dye, to liquid anhydrous ammonia to discourage theft of the anhydrous ammonia and provide for leak detection in storage vessels. The dye will ... | 12/12/2006 |
| 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 |
| 7131671 | Transparent coupling A transparent coupling for joining the ends of relatively soft plastic conduit. Visual inspection through the coupling affords confidence that the conduits have been installed in their proper position within the coupling. Internal circumferential barbs of the coupli... | 11/07/2006 |
| 7117720 | Method for measuring a permeation rate, a test and an apparatus for measuring and testing A method is proposed for measuring water permeability of substrates (1). A reactive compound (Ca, Ba) which reacts with a diffusing material, e.g. water, is applied on the substrate and the change in time of transmissivity, reflectivity of the layer is monito... | 10/10/2006 |
| 7111580 | Device for detecting the presence of a chemical contaminant The disclosure relates to a device for detecting the presence of a chemical contaminant. The device comprising a resilient indicator element which is biased into a first position and is anchored in the first position by means of a failure element. The failure elemen... | 09/26/2006 |
