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| Number | Title | Issue Date |
| 8441361 | Methods and apparatuses for detection of properties of fluid conveyance systems A system and method for monitoring and/or detecting the flow of one or more fluids in a fluid system including leak detection system integral to the fluid system (e.g., at any point along a conduit, at a connection between conduits such as at a fitting assembly, etc... | 05/14/2013 |
| 8441362 | Moisture detection label, moisture detection device, moisture detection method, power shutoff method, and electronics device Provided is a moisture detection device including: a moisture detection label that has at least a pair of detection terminals and a pattern, the detection terminals being provided on a base material with an insulated front surface, the pattern being provided on the ... | 05/14/2013 |
| 8436738 | Method and apparatus for appliance gas leak detection A method and apparatus for determining whether an appliance is leaking gas is provided. Pressure measurements are taken after closing off the flow of gas to the appliance and within the appliance so as to isolate the gas within the distribution system of the applian... | 05/07/2013 |
| 8427327 | Liquid flow measuring during buoy-loading The invention relates to a method for measuring and controlling a fluid flow in a pipe system for liquid transport, such as oil flow during buoy loading, wherein there in each end of a the pipe system is spliced in a sensor (1) consisting of a pipe section ( | 04/23/2013 |
| 8410947 | Leak detection system for pressurized pipeline A leak detection system for a pressurized pipeline used in conjunction with a fluid control valve having an electric actuator or with an alarm signaling device. The leak detection system includes a chamber surrounding the pipeline. A normally flat or planar thin she... | 04/02/2013 |
| 8410946 | Thermal measurement system and method for leak detection A system includes a controller configured to receive a signal from a thermal radiation sensor indicative of a temperature of a region including at least one fluid passage. The controller is also configured to detect a leak within the at least one fluid passage based... | 04/02/2013 |
| 8395516 | 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... | 03/12/2013 |
| 8362907 | Self-stick resonant enclosure that responds to flush toilet fill valve water inflow vibration An electromechanical toilet leak detector comprises first and second enclosure portions. An adhesive structure disposed on the second enclosure portion, the adhesive structure in use for being removably adhered to the porcelain outer surface of a flush toilet. One o... | 01/29/2013 |
| 8310369 | Detecting unintended flush toilet water flow Water is conserved by detecting unintended inflow of water into the tank of a flush toilet. A sensor acoustically and/or vibrationally coupled to the flush toilet detects sound and/or vibration generated due to turbulence in water flowing into the toilet tank. An el... | 11/13/2012 |
| 8289173 | Leak detection band The leak detection band is mounted about a pipe joint for generating an alert signal when a liquid leak from the pipe joint is detected. The leak detection band includes an annular mount having a pair of opposed annular edges and an annular recess formed in an inter... | 10/16/2012 |
| 8253577 | 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 ... | 08/28/2012 |
| 8242920 | Method and apparatus for leak detection A leak detector is disclosed. The optical leak detector may include a sensor module for transmitting and receiving signals corresponding to the surface level of a monitored fluid and include leak detection logic for detecting a leak signature. The leak detection log... | 08/14/2012 |
| 8242919 | Moisture detection label, moisture detection device, moisture detection method, power shutoff method, and electronics device Provided is a moisture detection device including: a moisture detection label that has at least a pair of detection terminals and a pattern, the detection terminals being provided on a base material with an insulated front surface, the pattern being provided on the ... | 08/14/2012 |
| 8228205 | Vehicle lane discrimination in an electronic toll collection system A vehicle position determination system for determining the position of a moving vehicle in a multi-lane roadway. Two or more roadway antennas each periodically transmit an identifier that is associated with and unique to the antenna to a transponder located in the ... | 07/24/2012 |
| 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 |
