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8183872 Hose with fault detection capability  
A hose fault detection system includes a hose assembly and a fault detector. The hose assembly includes a first conductive layer, second conductive layer, and an intermediate layer that is disposed...
8174398 Leak sensor monitor  
A sensor leak monitor device that consists of well known elements arranged in a novel manner such that it can detect an involuntary consumption and alert a person when such is occurring. A pressure...
8161800 Methods and systems for valve leak simulation  
A method for simulating a compressor valve leak is described. The method includes inducing a flow of gas past a compressor valve that is coupled to a bypass block, wherein the bypass block defines...
8138931 Diagnostic and response systems and methods for fluid power systems  
Diagnostic and response systems and methods for a fluid power system acquire data from pressure and temperature sensors disposed in the fluid power system, analyze the data in a failure algorithm...
8127596 Method for verifying the tightness of a tank bleeding system without using a pressure sensor  
In a method for verifying the tightness of a tank bleeding system with a tank bleeding valve, a stop valve for air-tightly closing the tank bleeding system relative to an atmosphere prevailing...
8117886 Leak detector with a leak detector testing device  
A leak detector comprising a base appliance provided with a gas detector, a vacuum pump, and a control device. A sniffer probe is connected to the base appliance. A test leak device containing the...
8109131 Meter register transmitting flow rate warning  
A method and apparatus for measuring a fluid and determining a leak comprising the steps of providing a meter and a meter register coacting with the meter. When a leak is detected, a signal is...
8104327 Leak detection method for a primary containment system  
A leak detection method for determining changes in helium concentration over time in an interstitial space between a primary vessel and a secondary vessel. The primary vessel is disposed inside a...
8104328 Apparatus and methods for leak detection in bioprocessing bags  
An apparatus detects a leak of an electrically conductive fluid from a disposable plastic bag used in mixing applications, such as during bioprocessing in a sterile environment. In one embodiment,...
8096167 Acoustic leak detector with noise cancellation  
The present invention provides a leakage detector enabling accurate and stable detection for occurrence and a position of leakage in a buried fluid pipe line and also making it possible for even...
8076928 System and method for in-situ integrity and performance monitoring of operating metallic and non-metallic natural gas transmission and delivery pipelines using ultra wideband point-to point and point-to point and point-to-multipoint communication  
An operational monitoring system for use in communications, and a method thereof, for operational, systems or integrity management of pipeline infrastructures which operates by broadcasting...
8061184 Method and system for monitoring gas leaks by amplification of flow  
A method to amplify the pressure effects of very small flows, or very small leaks, in contained fluid systems, and the effects of small leaks in fluid systems that have small flows such as would...
8062575 Tire testing apparatus and method  
A computer based detecting system that detects a defective tire assembly during the curing process is disclosed. The system includes a plurality of temperature sensors connected to a processor of...
8033161 Antenna leak detection device and method  
An apparatus for determining the integrity of an antenna system, including a controller, at least one valve operationally connected to the controller, a source of pressurized gas, at least one...
8020430 Passive leak detection devices and systems for detecting gas leaks  
A passive leak detection device may include a pressure switch, a check valve and a balance valve. The pressure switch may include an electric input lead, an electric output lead, a balance chamber...
8011226 Leakage detection method using micromachined-thermal-convection accelerometer  
A method and device for identifying leaks in or a leakage rate of an integrated circuit package. The method and device include integrating a micromachined-thermal-convection accelerometer in the...
8006967 Cradle assembly for a pressure decay leak tester  
A cradle assembly for a pressure decay leak tester is provided. The assembly operatively receives a printhead integrated circuit carrier having a plurality of printing fluid paths defined therein,...
7987699 Pneumatic assembly for a pressure decay tester  
A pneumatic assembly for a pressure decay tester of printhead integrated circuits includes a pressurized air supply. A pneumatic clamping arrangement is in fluid communication with the pressurized...
7987698 Gas leak detection apparatus and method  
According to the present invention, mistaken detection of a gas leak can be prevented even when using an appliance which has been newly installed in a dwelling receiving a gas supply, and whereby a...
7984640 Pressure-based tester for a platform assembly  
The invention provides for a pressure-based tester for testing integrity of a platform assembly. The platform assembly includes a pair of assembled platform components fastened together and a fluid...
7975529 Method of discovering leakage in a heat exchanger  
A method of discovering leakage in a heat exchanger, wherein the method is carried into effect on an intact heat exchanger which, together with surrounding conduits, is filled with water. The heat...
7971472 Leak tester for a carrier for printhead integrated circuitry  
Provided is a leak tester for a carrier for printhead integrated circuits. The carrier has at least one fluid inlet in fluid communication with a plurality of fluid outlets via discrete fluid...
7946309 Vacuum-actuated shear valve device, system, and method, particularly for use in service station environments  
A vacuum-actuated shear valve coupled between piping from a storage tank and piping internal to a fuel dispenser that automatically opens and closes in response to a vacuum level. A vacuum actuator...
7942035 Anode leak test implementation  
A system and method is provided for detecting an anode leak of an anode stream in a fuel cell stack. The system comprises a controller that stores at least one first predetermined control value...
7921694 Leak detector and detection method using radiation transmitted through a fluid line  
A leak detector for detecting a leak in a line includes a transmitting device for generating radiation to be coupled into the line. By a receiving device, radiation that has emerged from the line...
7918122 Container transport system and measurement container  
A stocker 1 includes a storage FOUP 20, plural purge units 50, a measurement FOUP 30 and a stacker crane 60. The storage FOUP 20 stores a semiconductor wafer inside. The measurement FOUP 30...
7920983 System and method for monitoring resources in a water utility network  
A computerized method for monitoring a water utility network, the water utility network comprising a network of pipes for delivering water to consumers and a plurality of meters positioned within...
7905131 Apparatus and method for detecting resin leak  
A resin leak detector includes a pressure sensor element and a leak determination unit. The pressure sensor element detects a pressure in a case cavity. That is, when resin leaks into a space...
7882728 Dual anomaly judgment device for a fuel cell  
There is provided an anomaly judgment device that is capable of detecting an abnormal state of a system highly accurately and obtaining an accurate result. The anomaly judgment device may include a...
7869971 Safety valve testing  
A method of measuring the condition of a safety valve includes measuring a condition parameter that varies with the sealing force of the valve. The condition parameter may be determined from...
7864064 Fugitive emissions detection devices  
The present invention relates to detection and alarm systems for predicting and detecting the location of spills, leaks, emissions, and/or pollution sources, i.e., unwanted fluid (liquid/gas)...
7859273 Sensor for detecting organic liquids  
A sensor for detecting the presence of an organic liquid. The sensor includes an a elongate substrate having a first and second opposed surface, and a first sensor surface disposed on at least a...
7856864 Deriving information about leaks in pipes  
A method and system for deriving fluid leak information are described. A plurality of sealing elements are introduced into the pipeline at a location upstream of the leak, and at least some of the...
7841229 Leak detecting apparatus  
Apparatus and method for use in testing the fluid tightness of closed vessels or fluid systems, such as found in the pressurized cooling system of an internal combustion engine and the fluid...
7832617 Adapter assembly and method of manufacture  
A method of welding an adapter fitting to a fitting on a measuring device system. The present disclosure also provides for a measuring device system having a first fitting that includes a stem, a...
7830273 Sensor networks for pipeline monitoring  
A sensor network for monitoring of a pipeline comprises a sensor disposed for monitoring of a pipeline, the sensor capable of acquiring data related to the pipeline and communicating sensor data; a...
7802461 Method and device for detecting leaks  
In leak detection, the signal generated by a test gas is superposed by interferences which fade as the vacuum generation in a container proceeds. Depending on the negative slope of the volume...
7788967 Method and apparatus for leak detection  
Methods and apparatuses are disclosed for detecting small leaks in double wall containers using enhanced tracer dispersal and detection techniques. More specifically, economical, substantially...
7780248 Glovebox for a double wall containment module  
A double-glove system for use in a double-walled containment module is provided herein. More specifically, a double-glove system that includes an inner glove and an outer glove that are...
7752890 Method and apparatus for continuous fluid leak monitoring and detection in analytical instruments and instrument systems  
A method and device are disclosed that provide for detection of fluid leaks in analytical instruments and instrument systems. The leak detection device includes a collection tube, a fluid absorbing...
7743647 Orifice test device for protective mask testers  
An orifice test calibration device tests the functionality of protective mask testers. The orifice test calibration device has a semi-rigid tubular channel with one end for sealing the flow outlet...
7739899 Leak detection using structure-borne noise  
A method for detection and location of air leaks in a pressure vessel, such as a spacecraft, includes sensing structure-borne ultrasound waveforms associated with turbulence caused by a leak from a...
7716966 Mesh leak detection system for a medical device  
The present invention provides a surgical device including an elongate body defining a fluid flow path therethrough. An expandable element may be coupled to the elongate body and placed in fluid...
7681435 Arrangement for monitoring the leak-tightness of an evacuated space  
An arrangement for monitoring the leak-tightness of an evacuated space which is hermetically closed, leak-tight, by means of at least one metallic wall is specified. A device which is connected to...
7668670 Tracking vibrations in a pipeline network  
Tracking vibrations on a pipeline network includes installing multiple vibration recorders on the pipeline network, with each recorder including a sensor, a processor, and a communication device....
7648787 Gas leak detection device and fuel cell system  
In a fuel cell system (100), the amount of fuel gas supplied through an fuel gas supply passage (24) and the amount of fuel gas consumed by a fuel cell (10) are detected. A difference between the...
7650245 Impulse line-clogging detecting unit and impulse line-clogging detecting method  
An impulse line-clogging detecting apparatus. The apparatus is provide with: a differential pressure detecting unit that detects a differential pressure of a fluid, and outputs time-series data of...
7631666 Reinforced flexible hose with leakage indicator and method of making same  
A reinforced flexible hose that has at least one layer of stainless steel threads braided about the outer surface of the inner core and a transparent flexible polymeric covering located over the...
7629067 Hydrogen-producing fuel processing systems and fuel cell systems with a liquid leak detection system  
Liquid leak detection systems, and fuel cell systems and hydrogen-producing fuel processing systems containing the same. The liquid leak detection systems are adapted to detect liquid leaks from...
7624624 Pump assembly and method for leak detection of fluid system  
A method of detecting a leak in a fluid system, which includes a switch that changes state according to pressure in the fluid system. The method includes changing pressure in the fluid system with...