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8153434 |
Fluid storage and dispensing vessels having colorimetrically verifiable leak-tightness and method of making same
A fluid 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...
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8147757 |
Filter with memory, communication and concentration sensor
The present invention describes a system and method for accurately measuring the concentration of a substance within a filter housing. A concentration sensor and a communications device are coupled...
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8143063 |
Method for warning of radiological and chemical agents using detection paints on a vehicle surface
A paint that warns of radiological or chemical substances comprising a paint operatively connected to the surface, an indicator material carried by the paint that provides an indication of the...
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8137983 |
Method of maintaining a protein concentration at a tangential flow filter
The present invention describes a system and method for accurately measuring the concentration of a substance within a filter housing. A concentration sensor and a communications device are coupled...
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8133735 |
Method for warning of radiological and chemical substances using detection paints on a vehicle surface
A system for warning of corrosion, chemical, or radiological substances. The system comprises painting a surface with a paint or coating that includes an indicator material and monitoring the...
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8110401 |
Blend dyes and method of identifying leaks
A blended dye for use in a coolant. In one embodiment of the invention, the blended dye includes a first water miscible dye adapted to fluoresce when illuminated with a light. The first dye...
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8084259 |
Method of insuring the integrity of a filtering element
The present invention describes a system for accurately measuring the concentration of a substance within a filter housing. A concentration sensor and a communications device are coupled so as to...
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8070355 |
Method of detecting leaks of fluoroolefin compositions and sensors used therefor
Disclosed are a method of detecting a leak of fluoroolefin compositions and sensors used therefor. In particular, the method is particularly useful for detecting a leak of a fluoroolefin...
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8058070 |
Method of determining the components of a fluoroolefin composition, method of recharging a fluid system in response thereto, and sensors used therefor
Disclosed are a method of determining the components of a fluoroolefin composition, a method of recharging a fluid system in which the composition is used, and sensors used therefor. In particular,...
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8003055 |
Visual hydrogen detector with variable reversibility
Methods, processes and compositions are provided for a visual or chemochromic hydrogen-detector with variable or tunable reversible color change. The working temperature range for the hydrogen...
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8003391 |
Fluid storage and dispensing vessels having colorimetrically verifiable leak-tightness, and method of making same
A fluid 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...
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7981237 |
Micro- or nano-fluidic chip fabricated with Norland Optical Adhesive and bioanalysis platform produced by using the same
A micro- or nano-fluidic chip fabricated with a Norland Optical Adhesive (NOA), an acrylated polyurethane-based UV-polymerizable optical adhesive. The micro- or nano-fluidic chip has sequentially...
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7943380 |
Leak detection materials and methods
A leak detection material and method of introducing the leak detection material into a fluid system such as a climate control system, an engine oil system, or a fuel system is described. The leak...
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7927558 |
System and apparatus for detecting breach of exposure protection equipment
A method, system, and apparatus are provided for use with exposure protection systems or equipment such as respiratory protection devices. One system is provided for detecting a breach of an...
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7915047 |
Coating for leak detection and method
A coating is used to detect a fluid leak.
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RE42192 |
Volatile organic compound sensor system
Generally, this invention relates to the development of field monitoring methodology for new substances and sensing chemical warfare agents (CWAs) and terrorist substances. It also relates to a...
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7892839 |
Method of checking the hermeticity of a closed cavity of a micrometric component and micrometric component for the implementation of the same
In order to check the hermeticity of a closed cavity of at least one micrometric component, said component includes a structure made over or in one portion of a substrate, a cap fixed to one zone...
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7888124 |
System for monitoring the health of electrical generators and method thereof
A method and apparatus is provided for a system for maintaining hydrogen purity in an electrical power generator where the system monitors the health of the electrical generating system by...
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7849729 |
Leak detection in vacuum bags
Air leaks in a vacuum bag are detected using a leak detection film covering the inside face of the bag. The film includes a gas permeable binder carrying oxygen sensitive material that changes in...
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7833484 |
Method of checking the hermeticity of a closed cavity of a micrometric component and micrometric component for the implementation of the same
In order to check the hermeticity of a closed cavity of at least one micrometric component, said component includes a structure made over or in one portion of a substrate, a cap fixed to one zone...
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7815856 |
Storage container for detecting presence of checmical elements
A container having an indicator for detecting the presence of chemical elements is provided. In one embodiment, the container comprises a cavity therein for receiving an article having a first...
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7727765 |
Method for leak testing an environmental enclosure
Methods and apparatus are disclosed for leak testing the ventilation system of an environmental enclosure using a gas that is naturally present in ambient air, such as nitrogen, oxygen, argon, or...
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7601537 |
Method of checking the hermeticity of a closed cavity of a micrometric component and micrometric component for the implementation of same
In order to check the hermeticity of a closed cavity of at least one micrometric component, said component includes a structure made over or in one portion of a substrate, a cap fixed to one zone...
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7597855 |
Adaptive membrane structure
The present invention relates to a porous adaptive membrane structure that has movable membranes. The structure can be made to change its gas, liquid or particulate permeability in response to...
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7592178 |
Filter integrity tester
An apparatus and method for testing the integrity of a filter under humid conditions is provided. The apparatus includes an injection assembly which is located on a first side of the filter and a...
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7572636 |
Method of detecting a leakage in an apparatus
The invention relates to a method of determining the cleanness of an apparatus comprising the steps of treating the interior of the apparatus with a solution comprising permanganate so as to cause...
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7534615 |
Process for detecting leaks in sealed packages
The present invention relates to a process for detecting a leak in a package. The process comprises preparing a package by covering at least a portion of an O2-sensitive product with a multilayer...
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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...
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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...
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7192459 |
Addition of odorants to gases for leak detection
An apparatus for dispensing an odorant to a fluid in a vessel having an interior volume containing the fluid includes at least one odorant material and an odorant-permeable material. The at least...
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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...
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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...
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7112443 |
High throughput permeability testing of materials libraries
A library of material samples is screened for properties such as permeability. A library of material samples is provided. A stimulus such as an exposure to a permeate fluid is provided to each...
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7105350 |
Closure integrity test method for hot-fill bottling operation
A method for evaluating the integrity of the closure on a hot-filled container in which the hot-filled container is subjected to a pressurized spray of cooling medium, including the step of...
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6912924 |
Testing apparatus and method
An apparatus is provided for testing equipment located in a local environment by presenting a detectable indicator gas therein. The apparatus has a container portion, a chemical substance stored in...
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6861259 |
Method of using a cartridge for containing a specimen sample for optical analysis
A cartridge for holding a test specimen with an extremely small volume. The cartridge has a test chamber and a vestibule through which the test fluids are inserted into the test chamber. The...
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6820464 |
Odorized seals for the detection of gas leak
An apparatus for detecting a leak of a fluid from a system for storing and/or transporting a volume of the fluid includes an odorant material. The system includes at least one vessel and at least...
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6696296 |
Leak detector for sealed optical devices
This invention discloses a method for detecting a leak from a sealed optical device. The method includes steps of: A) injecting a target gas with no performance interference to the sealed optical...
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6627443 |
Colored composition
The present invention relates to new color compositions which are especially suitable to be used in oxygen indicators. The compositions comprise iron(II), an agent containing pyrogallol entities...
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6555378 |
Method for checking the state of the gas fill in the insulating cavity of an insulating glass pane, and insulating glass pane
An insulating glass pane (1) has at least two glass plates (10, 12) which are spaced apart from one another, and an edge joining strip (14) which surrounds and joins together the glass plates (10,...
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6521459 |
Method and apparatus for testing the acidity of a lubricant in a climate control system
A test kit for testing acidity of a lubricant in a climate control system containing a naphthalimide dye contains an aqueous solution having a salt and a known amount of hydroxide and an organic...
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6479294 |
Method for determining container leakage
A method and apparatus suitable for use in high volume production for determining leakage from a nominally sealed product container, e.g., a battery case. The method and apparatus first functions...
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6479018 |
Detection of a gaseous substance emanating from a layer of polymeric composition
Detection of an evolving or diffusing gaseous substance emanating from an irradiated or thermolyzed layer of polymeric composition in semiconductor processing or similar processes is disclosed. The...
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6323032 |
Sterilizer testing systems
A sterilant challenge device, for use in testing the efficiency of the removal stage of a sterilization cycle in a sterilizer. In a preferred embodiment, the device includes a tube that is closed...
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6170320 |
Method of introducing an additive into a fluid system, especially useful for leak detection, as well as an apparatus for leak detection and a composition useful for leak detection
An additive is introduced into a fluid system and dissolved in a carrier fluid which is immiscible or slightly miscible in the fluid system, wherein the carrier fluid is subsequently removed from...
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6063632 |
Water leak detection
A method and device for detecting water leaks is disclosed. The method and device comprise an odorant in a water soluble barrier. The odorant and water soluble barrier can be contained in a housing...
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6060318 |
Tracing of process additives in industrial ceramics applications
The present invention provides for an improved method for monitoring the concentration of molecules and chemical treatment agents in ceramic slurries and powders.
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6043096 |
Device and method for the determination of water
A test device and method is described for directly determining the liquid phase water content of organic solvents and indirectly the liquid phase water content of solids. The device and method...
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5976881 |
Device and method for detecting chemical breakthrough of protective clothing
A detection device for testing gloves or other protective clothing or equipment for breakthrough by a contaminant includes a pad carrying a reagent which is responsive to the contaminant for...
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5792661 |
Method of detecting leaks in sealed containers
An apparatus and method for detecting a leak by mixing an amount of odorant ith the contents of a sealed container. An amount of odorant having a detectable odor is mixed with the contents of a...
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