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7605710 Wetness sensor  
The present invention relates to a wetness detector system that rapidly detects the presence of wetness due to a liquid leak in a system. The wetness detector system contains a reusable wetness...
7596458 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 timer, a processor, and a digital...
7583198 Method and apparatus for detecting water leaks  
A low cost, robust, wireless sensor system that provides an extended period of operability without maintenance is described. The system includes one or more intelligent sensor units and a base unit...
7578169 Method and apparatus for continuously monitoring interstitial regions in gasoline storage facilities and pipelines  
An underground storage system includes a primary containment unit and a secondary containment unit arranged to sealingly encompass the primary containment unit. The underground storage system...
7570173 Device to dissipate gases created in the event of a quench of a superconducting magnet  
Device for dissipation of gases created in the event of a quench of a superconducting magnet has a quench tube and a front sealing element closing the quench tube on the magnet side. The quench...
7561057 Method and apparatus for detecting severity of water leaks  
A system for detecting water leaks is described. In one embodiment, the system includes a plurality of sensors, selected from a moisture sensor, a water level sensor, and/or a water temperature...
7561040 Wireless probe system and method for a fueling environment  
A fueling environment is equipped with leak detection probes and liquid level probes. Each of the probes is associated with a wireless transceiver. The wireless transceivers send probe data to a...
7549435 Systems and methods for detecting and correcting a leak  
A fluid leak detection system includes a sensor, a control module and a valve module. The sensor is adapted to be placed near a fluid source, such as a water supply line of an appliance. The valve...
7549322 System and method for detecting a leak in a piping system  
There is provided a system for detecting a leak in a piping system, including a monitoring unit disposed at a gateway of the piping system for indicating fluid flow, a gauging unit for gauging the...
7548170 Rear door heat exchanger instrumentation for heat quantity measurement  
A method for controlling operation of a heat exchanger system comprises providing a heat exchanger system mountable to a rear door of a rack mounted computer system, circulating a heat transport...
7509841 Flexible leak detection system and method for double carcass hose  
A fluid leak detection system mounts to a hose line segment of the type comprising at least an inner carcass and an outer containment carcass separated from the inner carcass by a collection space....
7508312 Apparatus and method for determining a fluid level within an enclosed container  
A method and apparatus for determining a fluid level within an enclosed housing. The present invention provides an enclosed housing having a dynamic fluid level contained therein. The apparatus...
7504961 Emergency isolation valve controller with integral fault indicator  
A local logic solver operates with a local smart valve controller to control and test a local field-mounted emergency isolation valve device, outputting a local indication of trouble on the device,...
7489253 Fluid detection and containment apparatus  
Disclosed are portable, easy-to-install apparatuses for detecting and containing fluid leaked or otherwise discharged from a fluid-filled device and for facilitating testing and maintenance of the...
7482939 Electrical drop surveillance  
The present invention provides a method, an apparatus and a computer program to detect the liquid leakage of a liquid transfer device. In particular, the present invention is directed to a method,...
7471206 Float assembly light indicator for Christmas tree stand  
A float assembly light indicator for use in detecting water levels within a container, such as a Christmas tree stand, includes a float housing having multiple float switches therein and are...
7456744 Systems and methods for remote sensing using inductively coupled transducers  
A remote sensing device includes a sensor and reference circuit. A resonant circuit of the sensor has a resonant characteristic modifiable by exposure to an external condition. The sensor is...
7455194 Service station leak detection and recovery system  
A fueling environment that distributes fuel from a fuel supply to fuel dispensers in a daisy chain arrangement with a double walled piping system. Fuel leaks that occur within the double walled...
7453367 Leak detection system and method for offshore hose lines  
A fluid leak detector is provided for a double carcass hose line segment and includes a sensor housing defined by sidewalls externally mounted to the hose line segment and having an internal...
7403839 Water shut-off system  
A moisture monitoring and control system comprising: 1) a plurality of moisture sensors; 2) one or more local or remote control stations capable of monitoring and controlling each of the individual...
7398676 Leak sensor and leak sensing system  
A leak sensor and a leak sensing system are provided. The leak sensor preferably includes a fluid sensing member that is capable of sensing and indicating the presence of a fluid leaked from a...
7387012 Leak detection sensor system and method for double carcass hose  
A fluid leak detection system mounts to a hose line segment of the type comprising at least an inner carcass and an outer containment carcass separated from the inner carcass by a collection space....
7362230 Leak detection apparatus  
Leak detection apparatuses located, at least in part, in the deadspace below a floor in an abode wherein the leak detection apparatus captures, detects and signals the presence of leaking water and...
7358860 Method and apparatus to monitor and detect cryogenic liquefied gas leaks  
Embodiments of the invention provide a method, article of manufacture, and system of detecting a cryogenic leak. In one embodiment, the method includes calibrating an infrared camera by detecting...
7347083 System and method for detecting a leak in a hydraulic fluid system  
Methods, systems, and articles of manufacture consistent with the present invention provide for detecting a leak in a hydraulic fluid system having a reservoir and a conduit operatively connected...
7334456 Method and apparatus for continuously monitoring interstitial regions in gasoline storage facilities and pipelines  
An underground storage system includes a primary containment unit and a secondary containment unit arranged to sealingly encompass the primary containment unit. The underground storage system...
7313486 Apparatus and method for detecting a corrosive substance leak in a chemical composition analyzer  
An apparatus includes a detection element having a detection element property that changes when exposed to a corrosive substance, a testing device coupled to the detection element, the testing...
7298279 Open-ended device monitoring system  
An emission prevention system for use on an open-ended line includes an end-cap and a proximity sensor. The proximity sensor is preferably configured to detect a change in the extent of engagement...
7295126 Perforated plane moisture sensor  
A moisture sensing apparatus, system and method. In general, a surface can be provided, and one or more conductor pairs located in a plane of the surface. Each conductor of the conductor pair(s) is...
7295125 Multi-sensor baby care monitoring system  
A multi-sensor baby care monitoring system includes a wetness sensor configured to generate a first signal relating to an occurrence of a wetness event relative to a wetness containment device,...
7292155 Moisture detection sensor tape with leak locate  
An elongated substantially flat four-conductor moisture detection and location sensor is described. The sensor includes four parallel conductors laminated to a dielectric substrate. Two of the...
7271721 Protected distribution system  
An information transmission system comprising a conductor operable to carry a desired information signal. A first tube substantially surrounds the conductor and a second tube substantially...
7253741 Automated system to monitor multiple sources of water leaks in residential and commercial buildings  
An electronic monitoring system is provided to monitor for and sense water leakage at multiple locations and sources within a commercial or residential property. These sources are hot water...
7241115 Methods and apparatus for determining the presence or absence of a fluid leak  
Embodiments of the present invention feature a method and apparatus for detecting defects, such as, leaks, component failure and adverse performance. One embodiment of the present apparatus for...
7239246 System and method for detecting water leakage  
A 3D liquid detection sensor, liquid-sensitive building material, and liquid detection systems have been provided. The 3D sensor comprises a 3D liquid detection field and an electrical connector to...
7233252 Method and system of sewer scanning for water conservation  
Method of monitoring water conservation in an apartment complex by positioning infrared cameras with motion sensors in the clean outs of the waste water discharge lines leading to public sewer...
7221280 Urinous wet alarm  
A urinous wet alarm to detect a soaked diaper and generate an audio alarm to alert replacement includes a shell to house a test IC. The test IC connects to a lithium battery, a thin alarm speaker...
7218237 Method and apparatus for detecting water leaks  
A system for detecting water leaks is described. In one embodiment, the system includes a plurality of sensors, selected from a moisture sensor, a water level sensor, and/or a water temperature...
7205900 Water detecting system and related method of portable electric device  
A water detecting system of a portable electric device comprises a housing, an electronic circuitry board, a battery electrically connected to the electronic circuitry board for providing...
7178385 Method and apparatus for detecting leaks  
The present invention relates to a sensor apparatus configured to detect the presence of a gas, such as a tracer gas and a leak detection apparatus configured to detect the present of a tracer gas...
7158039 Liquid leakage sensor and liquid leakage detecting system  
Among plural liquid leakage sensors placed at the lower most portion of a system such as a floor surface, a leaked liquid storing portion, etc., an error-activated location of the sensor can be...
7145053 Moisture indicator for a diaper  
A battery operated moisture indicator for selective attachment to an existing diaper worn by a baby, having an audible alarm and having a liquid crystal display bulb, for providing an audible alert...
7142425 Liquid cooling system including a liquid absorption and a leak detection device  
Disclosed herein is an electronic apparatus that comprises a housing, and a circulating path. A heat-generating component is contained in the housing. Liquid coolant for cooling the heat-generating...
7126486 Method and apparatus for moisture detection in exterior sheathing of residential and commercial buildings  
An automated device monitors moisture content in exterior sheathing of a building for detecting moisture intrusion into the sheathing walls. A plurality of moisture sensors are embedded in selected...
7119699 Liquid sensor device, system and method  
A liquid sensor device, system and method depends on the structural deformation of a trigger material in contact with a liquid, such as water, to convert potential energy of a resilient material to...
7119698 Consumptive leak detection system  
The leak detection system encompasses the use of a fluid monitoring device equipped with transmission capabilities and a data acquisition device. The fluid monitoring device monitors consumption of...
7084777 Fluid leak detection device  
A fluid leak detection device includes a platform having at least one fluid concentration zone forming a fluid detection area. Two electrically conductive members are positioned in the fluid...
7084776 Fluid detection apparatus and kit, and method of installation thereof  
An apparatus for sensing the presence of a conductive fluid on an upwardly facing generally planar surface of a floor, and a method of installation thereof. The apparatus includes an electrically...
7084363 Variable differential adjustor  
A variable differential adjustor for a fluid pressure-actuated switch, with the fluid, in the preferred form of the invention, being air. The restrictor has a restrictor housing with a fluid...
7082959 Shutoff valve system with leak detector  
A pilot operated shutoff valve system with leak detector for automatically shutting off a water supply to appliances such as a clothes washing machine, dishwashing machine, sink, toilet, or...