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9038441 High speed helium leak detection system and method  
Improved high speed helium leak-detection system for storage tanks comprising a mobile enclosure for operation of electrical components of leak detection sensors in Class 1, Division 1, Group D...
9038440 Speaker leak test system and method  
A speaker leak test system which quickly tests if a speaker enclosure is sealed properly. The speaker leak test system tests for air leaks in the speaker enclosure, which air leaks degrade the...
9027389 Fluid control system for a medical device  
The present invention provides a medical device having an elongate body with both a proximal end and a distal end, wherein the elongate body defines an intake lumen and an exhaust lumen. The...
9027390 System and method of determining sources of water infiltration/inflow into a sewer system  
A system for identifying sources of external fluid infiltrating or leaking into a sanitary sewer system. An apparatus applies a substantially uniform coating to the surface of inner walls of a...
9021866 Gas leak detector  
A gas-leak detector includes a suction pump that sucks sample gas and reference gas, two gas detection sensors, and a cell block having a cell therein. The cell receives the gasses and has two...
9021865 Apparatus and method for measuring permeation of contaminants through protective materials  
A testing apparatus and method includes a PTFE layer; placing a sorbent pad on the PTFE layer; applying contaminants to a protective material; placing the protective material adjacent to the...
9016109 Packing leak detection system  
Exemplary embodiments provide a packing leak detection system for leaks or discharge of a volatile material which discharge into the environment is subject to regulation. The system contains a...
9018961 Diagnosing injector failure via stack voltage response analysis  
A system and method for determining whether an anode injector that injects hydrogen gas into an anode side of a fuel cell stack has failed. The method includes monitoring a voltage of the fuel...
9010175 Die coolant system with an integral and automatic leak test  
Systems and methods allow detection and location of die coolant leaks while a die is in a die cast machine and at operating temperature. The testing can be performed during normal down time of the...
8997553 Leak testing device and method  
A leak testing device includes a body portion and a purge gas supply. The body portion defines a cavity. The cavity is operable to enclose a portion of a part to be leak tested. The body portion...
8997554 Method and apparatus for solid-liquid separation of drilling fluids for analysis  
A system and method for solid-liquid separation and analysis of drilling fluids is described. The method includes heating a retort body to a pre-determined temperature, with an inner wall of the...
8997552 Method for leak-testing hand-held piston stroke pipettes and associated leak-testing apparatus  
A method for leak testing of hand-held piston stroke pipettes and a corresponding leak testing apparatus (1) for performing the method. Essential to the system is a holder (8) for the sealed...
8998170 Adapter for a capless fuel tank filler neck to test a fuel tank for leaks  
A filler neck adapter to be inserted through the open fuel mouth of a capless filler neck of a fuel tank of a motor vehicle. The adapter has a hollow flow body to create a continuous flow path...
8991236 Reconfigurable leak testing system  
A reconfigurable leak testing system is provided that includes a leak testing station and at least one off-shuttle cart removably attachable to the leak testing station. A fixture cartridge is...
8978448 In vitro testing of endovascular device  
Some embodiments relate in part to endovascular devices such as prostheses and methods of testing same prior to deployment. Some embodiments may be directed more specifically to inflatable grafts...
8975576 Method and apparatus for leak testing containers  
Close containers which are filled with a consumer product are tested on leakiness by means of mass spectrometry (10) in that an impact (AN(P)) by the consumer product (P) upon the surrounding...
8973425 Seal integrity evaluation device and method of use thereof  
Apparatuses for evaluating the integrity of a container seal and methods of using same are provided. The apparatuses include a sealed container having a conductive fluid and a first probe therein,...
8973424 Method for detecting leaks, system and medical treating device  
The present invention relates to a method for detecting leakages in a system for conducting a medical fluid upstream a shut-off device of the system as well as systems related thereto. More...
8968568 Water filtration system  
A water or liquid substance filtration device is disclosed which removes microorganisms and organic contamination and sterilizes the containers and water lines after the unit. The unit is...
8966979 Method and device for measuring the thickness of any deposit of material on an inner wall of a structure  
A method of measuring the thickness of any deposit of material (28) on an inner wall (12) of a structure (14). The method comprises: (a) causing vibrations in the structure; (b) detecting said...
8959983 Method for acoustically localizing leaks in piping systems  
Method for acoustically locating leaks in underground or aboveground piping systems, in which at least two noise data loggers receiving the leak noise and being arranged in mutual distance from...
8955383 Ultrasonic gas leak detector with false alarm discrimination  
An ultrasonic gas leak detector is configured to discriminate the ultrasound generated by a pressurized gas leak into the atmosphere from false alarm ultrasound. An exemplary embodiment includes a...
8955369 Fuel vapor leak detecting device and fuel vapor leak detecting method using the same  
A fuel vapor leak detecting device includes a pump, a housing having a pump passage connected to the pump, a switching valve, a pressure detector, and a control device detecting a shutoff pressure...
8950837 Sealing sheet, and liquid ejection head and inkjet apparatus using same  
A sealing sheet is configured to restrain at least one of leakage of liquid in and out. The sealing sheet includes: a film member which is impermeable to the liquid and configured to cover a...
8950242 Testing hoses at increased pressure vessels  
A method and apparatus comprising a pressure vessel, a pressurization system connected to the pressure vessel, and a sensor system. The pressurization system may be configured to change a pressure...
8950243 Method of testing for leaks in a contained system  
A method of testing for leaks in a contained system with an interior containing system gas and system liquid at an operating pressure, the method comprising: pressurizing the interior of the...
8950241 Method for checking and/or monitoring the tightness of a plurality of pneumatically or hydraulically actuated actuators, and machine, especially medical treatment machine  
A method is provided of monitoring the leak tightness of a plurality of pneumatically or hydraulically actuated actuators of a machine, in particular a plurality of valve actuators of a medical...
8944099 Valve arrangement and method for operating a valve  
A valve arrangement is provided, (1) comprising: a valve (2) for controlling a flow of heating or cooling fluid through a heat exchanger, an actuator (12) for actuating said valve (2), control...
8947242 Gas valve with valve leakage test  
This disclosure relates generally to valves, and more particularly, to gas valve assemblies. In one example, a valve leakage test may be performed on a valve assembly including a valve body with a...
8941509 Multiple and interchangeable meter reading probes  
A characteristic of a first utility meter is detected with a first probe head, and a characteristic of a second utility meter is detected with a second probe head. The characteristic of the first...
8939016 Flow sentinel  
A flow sentinel for improved remote monitoring and control of the flow in a water line serving a residential or commercial structure comprises: (1) a watertight case having a first side and a...
8931328 Multilayer structure having a microfluidic channel and a system for detecting leakage from the microfluidic channel, and method of detecting leakage in a microfluidic device  
A multilayer structure includes: a microfluidic circuit, delimited at least in part by a first sealing structure; a fluid-tight chamber delimited in part by a second sealing structure and in part...
8931330 Method and device for detecting leaks in an underground liquid pipe, particularly a water pipe  
The invention relates to a method for detecting leaks in an underground liquid pipe (T), particularly a water pipe, into which a gas is fed through a diffuser (8) into the liquid of the pipe, the...
8931329 System and method for detecting a leak in an air bed  
A leak detection method for an air bed having an air chamber comprises adjusting the air chamber to a predetermined pressure level, sensing a first pressure value of the air chamber after a first...
8925372 Method of testing a gas injector valve and a system for exercising the method  
Method of testing a gas injector valve for a combustion engine. The valve is placed in a holder (1) with a first chamber (2) and a second chamber (3), the valve spraying nozzle (11) being placed...
8921128 Method of manufacturing MEMS devices with reliable hermetic seal  
Manufactured capped MEMS device wafers are tested for hermeticity on a vacuum prober at differing pressures or on a wafer prober at differing temperatures. Resonant frequency testing is conducted....
8919485 Vehicle using compressed gas, and control device therefor  
A power unit that can periodically determine a leakage of a compressed gas to early discover a defect, such as a crack, and a vehicle in which the power unit is used are provided. A vehicle that...
8919184 Leak testing method and leak testing device for iodine filter  
A leak testing device for an iodine filter according to the present embodiment includes an iodine adsorption unit including an iodine filter provided in a chamber provided in a duct, to which flue...
8918294 Monitoring water consumption  
A method for monitoring water consumption. A set of locations in a fluid transport system in a structure is monitored for sounds generated by a fluid flowing at an endpoint of the fluid transport...
8915122 Sniffing leak detector  
The invention relates to a sniffing leak detector comprising a sniffing line (11) and a feed line (33) that leads to a vacuum pump (16). A distribution point (24) from which a branch line (25)...
8910509 Apparatus and method for the integrity testing of flexible containers  
An apparatus for integrity testing a first container having a flexible body at least partially defining a first interior chamber using a second container having a second, preferably sterilized...
8905062 Method and device for detecting the flow of a liquid  
Method and device for detecting the flow of liquid, in particular water, in a consuming installation, comprising at least one opening/closing means (3) for supplying liquid, this installation...
8909479 Apparatus and method for detecting and quantifying leakage in a pipe  
The present invention is directed toward a method and an apparatus to investigate and quantify a leakage rate for a fluid between a first pipe and a second pipe, the first pipe being surrounded by...
8899099 Method and device for determining leakage  
In order to determine leakage on a device, which contains gas that can be condensed, an adsorbent is used through which ambient gas of the object is conducted. The adsorbed gas is desorbed by...
8893542 Fueling system vapor recovery and containment performance monitor and method of operation thereof  
A method and apparatus for monitoring and determining fuel vapor recovery performance is disclosed. The dispensing of liquid fuel into a tank by a conventional gas pump nozzle naturally displaces...
8893543 Leak detection method  
A leak detection method using a specimen filled with a test gas positioned in front of a suction opening. Air is suctioned along the entire surface of the specimen and takes up test gas in the...
8893742 Double-skin nozzle system, junction system between two tube portions, and aircraft provided with such a system  
A double-skin nozzle system including an internal tube for transporting a liquid, formed by a plurality of tube portions connected to one another by removable junction systems, an external tube...
8890698 Drainage circuit for draining liquid coming from a power plant of a rotorcraft, the circuit incorporating an appliance for monitoring an excessive flow of the liquid  
The invention relates to a drainage circuit (4) for a flow of a liquid (5), the circuit being fitted with a monitoring appliance (13) for monitoring an excess flow rate of the liquid (5). The...
8887586 Head space sampling device and method for detecting leaks in same  
The present invention relates to methods and systems for detecting leaks in a head space sampling device. One exemplary method for detecting leaks in a head space sampling device includes...
8881576 Test device for performing leak detection at a plurality of test sites  
The leak detection device comprises a plurality of measuring cells (10) in whose interior the absorption of a laser beam (17) is influenced by the presence of tracer gas. All of said measuring...