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| Number | Title | Issue Date |
| 8188873 | System and method for detection of a variety of alarm conditions A water leak detection and active surveillance system applied to one or more single or multiple-story buildings that timely alerts and contacts a decision maker(s) of the leak so that that corrective intervention may be implemented. The system includes multiple wate... | 05/29/2012 |
| 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 gage coupled with a timing device measures in a constant manner the ... | 05/08/2012 |
| 8138932 | Method and apparatus for verifying a leak in connection with a flow inhibitor Exemplary embodiments relate to a method for verifying a leak situation in a liquid transfer system a system and a control unit for implementing the method. The liquid is transferred with a frequency-converter-controlled pump from a lower pressure to a higher pressu... | 03/20/2012 |
| 8130107 | Leak detection and control system and method A system and method for detecting leaks using sensors to report the leak and communicate with a control unit to turn off the source of the leak once detected. A valve can be turned off in the event of a leak and embodiments employing battery power can function durin... | 03/06/2012 |
| 8094031 | Device and method for detecting leaks and protecting surfaces from water damage due to leaks An air freshening device is provided for detecting water leaks and protecting surfaces from water damage due to leaks. The device includes: a tray, configured for being placed upon a surface located under a water pipe; a removable and replaceable liner placed upon t... | 01/10/2012 |
| 8072340 | Water leakage monitoring system A water leakage monitoring system including a water leakage position estimator which includes a periodic data acquiring unit for fetching predetermined-period flow rate pressure data stored in a monitoring device, and for fetching a signal related to a flow rate cha... | 12/06/2011 |
| 8031079 | 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 that can communicate with a large number of sensors. When one or mor... | 10/04/2011 |
| 8013749 | 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 apparatus and fluid-filled devices. In one aspect of the disclosed in... | 09/06/2011 |
| 7948388 | Water detection unit and system A leak detector apparatus and system for use with a drop ceiling having a grid-work of ceiling tiles. The leak detector apparatus includes an electrically non-conducting tile body that is shaped and dimensioned to rest on top of a ceiling tile. The tile body compris... | 05/24/2011 |
| 7944363 | Apparatus and method of sensing leakage of chemical liquid An apparatus and method of sensing leakage of chemical liquid is provided. The apparatus for sensing leakage of chemical liquid, includes a sensing unit measuring a flow rate of chemical liquid being supplied to a process chamber, a process control unit judging whet... | 05/17/2011 |
| 7928852 | Wireless medical gases management system The present invention generally provides methods and systems for managing a medical gas system by using wireless sensors located at the point of use. In one embodiment, a wireless sensor is fixed to a gas outlet, and is configured to measure gas flow, and to detect ... | 04/19/2011 |
| 7920067 | Wireless medical gases management system The present invention generally provides methods and systems for managing a medical gas system by using wireless sensors located at the point of use. In one embodiment, a wireless sensor is fixed to a gas outlet, and is configured to measure gas flow, and to detect ... | 04/05/2011 |
| 7760105 | Household plumbing leak detector utilizing water activated battery A water detection and alarm system to monitor household plumbing fixtures for leaks. A wick attached to a water activated battery cell connects to a charge accumulator, pulse timer, and audio transducer. The wick draws water from the leak and transports it into the ... | 07/20/2010 |
| 7755498 | Discrete leak detection device and method for discriminating the target fluid A device and method for detecting the presence of one or more targeted liquids in volume of space where the targeted liquid is not normally present. The device includes a sensor that can differentiate between the target fluid and a non-target fluid. ... | 07/13/2010 |
| 7696889 | Fluid leak detection system and associated method A fluid leak detection system includes a reservoir, a predetermined quantity of a disinfecting liquid contained within such a reservoir, and at least a pair of elongated conduits. A mechanism for automatically opening the distal end of the at least one conduit inclu... | 04/13/2010 |
| 7692553 | Leak detecting system for rotating union An integrated leak detection system for a rotating union provides improved leak detection and user convenience. In an embodiment of the invention, the system provides a leak detection sensor located within the union, and in an embodiment of the invention the detecti... | 04/06/2010 |
| 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 that can communicate with a large number of sensors. When one or mor... | 09/01/2009 |
| 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 tube is sealed by a rear sealing element, and at least one sensor is ass... | 08/04/2009 |
| 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 sensor. A processor collects moisture readings from the sensors. In one ... | 07/14/2009 |
| 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 medium through the heat exchanger system, detecting leaks in the heat e... | 06/16/2009 |
| 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 apparatus and fluid-filled devices. In one aspect of the disclosed in... | 02/10/2009 |
| 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, an apparatus and a computer program that detects the liquid leakage o... | 01/27/2009 |
| 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 housing chamber in communication with the collection space. An optical sens... | 11/18/2008 |
| 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 elements of the moisture monitoring and control system; 3) at least ... | 07/22/2008 |
| 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 fluid storage or transport member. The leak sensor further preferably inc... | 07/15/2008 |
| 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. The system includes a housing defined by sidewalls externally mounta... | 06/17/2008 |
| 7373080 | Water heater and method of operating the same A storage-type water heater and method of operating the storage-type water heater. The water heater includes a water tank for storing water, at least one heating element to heat the stored water, a jacket surrounding at least a portion of the tank, and a control sys... | 05/13/2008 |
| 7369948 | System and methods for predicting failures in a fluid delivery system A system for detecting defects in a fluid delivery line is provided, the system comprising a plurality of sensors disposed in a fluid delivery line, wherein each one of the plurality of sensors comprises a mote coupled to a plurality of sensing devices disposed in a... | 05/06/2008 |
| 7369945 | Apparatus and method for storing and transporting data related to vapor emissions and measurements thereof The present invention provides apparatus and a methods for collecting, transmitting and storing fugitive gas emission data. An embodiment of the invention collects fugitive gas with a sampling probe and into a emission monitoring device. The device then sends and st... | 05/06/2008 |
| 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 other aqueous solutions. ... | 04/22/2008 |
| 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 one or more first areas of low temperature in a first infrared image o... | 04/15/2008 |
| 7356444 | Embedded system for diagnostics and prognostics of conduits An apparatus providing a means for assessment of the integrity of insulated conduits, harnesses, cables, pipelines and other interconnection systems constructed with integral sensitized media, discrete sensors, and electronics providing a means for transforming sens... | 04/08/2008 |
| 7352286 | Diaper warning alarm device, and system A warning alarm diaper device including a moisture detecting device and a warning alarm device. Preferably, the diaper and moisture-detecting device are disposable, and the warning alarm device is reusable. ... | 04/01/2008 |
| 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 to the reservoir. The fluid may reside in the reservoir, the conduit, ... | 03/25/2008 |
| 7337652 | Fuel system with leak location diagnostic features and component for same A leak diagnostic strategy for an engine equipped with a high pressure common rail fuel system includes a plurality of separate leak lines. Each of the leak lines is constructed and positioned to capture fuel leaking from one of several different high pressure space... | 03/04/2008 |
| 7334609 | Flexible tubular device A flexible tubular device that includes a metal wall in which are formed corrugated convolutions that define corrugated outside and inside surfaces of the device. The convolutions are perpendicular to a longitudinal axis of the device, and each convolution has oppos... | 02/26/2008 |
| 7334485 | System, method and computer-readable medium for locating physical phenomena A method, system and computer product for detecting the location of a deformation of a structure includes baselining a defined energy transmitting characteristic for each of the plurality of laterally adjacent conductors attached to the structure. Each of the plural... | 02/26/2008 |
| 7334455 | Leak detector of liquid in tank A leak detector comprising a sensor unit including a measuring slim-tube (13b) via the lower end of which a liquid in a tank is led in/out, a measuring tube (17) connected to the upper end thereof and having a sectional area larger than that the... | 02/26/2008 |
| 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 further includes a leak detection system which is fluidly connected to the... | 02/26/2008 |
| 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 device configrued to measure the detection element property, and a proces... | 12/25/2007 |
