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| Number | Title | Issue Date |
| 7324876 | System for remotely controlling energy distribution at local sites A power management system and associated method includes provision of local wireless energy control units at remote sites for controlling power delivery to customer loads, and a central station with a wireless transmitter for broadcasting commands to the wireless en... | 01/29/2008 |
| 7265652 | Controllable electronic switch A controllable electronic switch for, e.g., controlling power distribution comprises a deformable member such as a bimetal arm that can be deformed to break an electrical path. The deformable member may be anchored at one end and in controllable contact with an elec... | 09/04/2007 |
| 7250547 | Wetness monitoring system The present invention relates to a wetness monitoring system that includes a data collection device that sends wetness measurement data to a central computer that detects changes in wetness measurement data caused by the presence of urine or other dielectric fluids.... | 07/31/2007 |
| 7147615 | Needle dislodgement detection An apparatus for detecting dislodgement of a needle inserted into a patient includes a sensor for detecting wetness due to blood and a sensor holder to secure the sensor to the patient such that the sensor detects wetness due to blood loss from the patient upon disl... | 12/12/2006 |
| 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 and a visual alert, respectively, when the diaper has been wet by th... | 12/05/2006 |
| 7009355 | Wiper control system for a vehicle and a method thereof A wiper control system is provided which comprises a rain droplet detector, a multiplexer, a count register, and a wiper control unit. The rain droplet detector has a plurality of switches that are configured to be electrically connected by rain droplets, and each s... | 03/07/2006 |
| 6941829 | Leak detector A leak detection device is provided with an elongated handle having a head member disposed at one end. The device has a low profile for easy insertion beneath an appliance. The head member is configured to be easily oriented around wheels or other supports while pos... | 09/13/2005 |
| 6939139 | Device for connecting a unit with a connection terminal to a support A simple connection of a conventional electrical unit to the conductor tracks of an electric system, such as a motor vehicle electric system, is provided. The conductor tracks are directly applied to a support, for example, by flame spraying. A terminal adapter is p... | 09/06/2005 |
| 6870479 | Wetness monitoring system for tracking wetness events in diapers A personal care monitoring system is disclosed. In accordance with one embodiment, the monitoring system may include a wetness sensor configured to detect a wetness event occurring within an associated diaper, and a human life sensor configured to detect presence of... | 03/22/2005 |
| 6731215 | Moisture monitoring system A leakage response system for an appliance includes a leakage sensor which is operative to change an electrical parameter upon contact by a conductive liquid, a controller circuit electrically coupled with the strip for generating an activation signal in response to... | 05/04/2004 |
| 6696959 | Broken bag sensing feature for a metallized ink bag An ink system is disclosed which includes a broken bag sensing feature for use with conductive ink. The ink system preferably includes an ink containment bag with a metallized layer insulated from the bag interior; a first electrical contact with the meta... | 02/24/2004 |
| 6580013 | Inexpensive diaper wetness monitoring system A wetness monitoring system for a disposable diaper includes an elongated compliant sensor installable within the front portion of the diaper and having an inner conductive layer, a hydrophilic porous middle layer containing a water-soluble ionizable salt... | 06/17/2003 |
| 6489895 | Fail-safe leak detection and flood prevention apparatus A fail-safe leak detection and flood prevention apparatus includes an induced current, transconductive darlington amplifier and tuned-frequency standing water detector mounted at a lowest point of a potential leak plane for sensing variations of standing ... | 12/03/2002 |
| 6433695 | Liquid sensor and body fluid leak sensing device comprising the same A body fluid leak sensing device adapted for correctly informing only a caretaker of a leak of body fluid. The sensing device is miniaturized so as to properly operate in any worn state. A liquid sensor applicable to the body fluid leak sensing device is ... | 08/13/2002 |
| 6091336 | Moisture detection apparatus A moisture detection apparatus for signaling to a caregiver that a diaper or other article of clothing worn by an infant or adult being cared for by the caregiver is wet and needs to be changed. The apparatus includes a liquid transfer component having a ... | 07/18/2000 |
| 5920265 | Waterline leak detection and shutoff system A waterline leak detection and shutoff system comprising an in-line flap valve which includes a pivotal valve flap member having attached thereto a magnet and first magnetically responsive switch which switches states, when the magnet is moved from a firs... | 07/06/1999 |
| 5857482 | System for control of fluid vessel overflows An overflow control system includes a vessel having a liquid input and output, the vessel having a top and bottom defined by the gravity vector. The system further includes a housing peripherally surrounding the vessel about all surfaces, other than the b... | 01/12/1999 |
| 5821863 | Rain sensor In a rain sensor, a sensor field is arranged between two windshield wiper blades which lie one above the other on a windshield. The sensor field is thus located outside of the field of view of the driver and is wiped by the lower windshield wiper blade. T... | 10/13/1998 |
| 5777210 | Oil quality sensor measuring bead volume Method and apparatus for determining deterioration of e.g. lubricating oil by measuring the contraction of a polymeric matrix (support) holding charged ionic groups. The support contracts due to oil quality degradation. The expansion/contraction is detect... | 07/07/1998 |
| 5710989 | Water-activated emergency radio beacon An emergency position indicating radio beacon, sized for mounting on a life vest or the like, that includes a water-activated switch that automatically activates the transmitter when the water-activated switch is mounted in water. The water-activated swit... | 01/20/1998 |
| 5694970 | Safety valve for water supply system A safety control valve for a domestic water supply system is described. It includes a valve body having a flow passage therethrough comprising a pair of laterally spaced vertical flow channels and a top flow cavity connecting these vertical flow channels.... | 12/09/1997 |
| 5663542 | Contact device for rain sensor of a vehicle A device for the electric contacting of a sensor present on the outer side of the window of a motor vehicle, which sensor has an electric conductive track which is connected to an electric connecting contact within the motor vehicles. In order to produce ... | 09/02/1997 |
| 5659294 | Rain sensor A rain sensor having two non-contacting conductive paths which are aligned parallel to each other and are arranged on the windshield of a motor vehicle, with an evaluation electronics system connected to them. In order to create a rain sensor having the s... | 08/19/1997 |
| 5632302 | Overflow protection shut-off apparatus for use with a water heater An overflow protection shut-off device for use with a water heater for shutting off a supply of water to the water heater when a leaking or an overflow condition occurs, the device including a valve mechanism coupleable to an input water line of a water h... | 05/27/1997 |
| 5469146 | Device for attaching to and detecting wetness in diapers A device for attaching to and detecting wetness in diapers. The device including a pair of probes (28) supported on a module box (10) slidably mounted between the guides (36) of a slide section (34). The device is attachable to the diaper (56) by sliding ... | 11/21/1995 |
| 5357241 | Fail-safe leak detector A fail-safe system for the detection of water leaks, and for the prevention of damage therefrom. In a home or building which includes a hot-water tank and a water tank for a toilet, e.g., the damage-prevention system comprises valves for shutting off the ... | 10/18/1994 |
| 5334973 | Leak detection and shut-off apparatus A leak detection and shut-off apparatus for preventing damage from leaking hot water tanks. The invention features a unique three-layered sensor that completes encases the hot water tank thus detecting the occurrence of leaks anywhere on the tank. Circuit... | 08/02/1994 |
| 5315291 | Leak detection device A leak detection device for preventing damage from leaking hot water tanks. The invention features a unique three layered sensor that completely encircles the hot water tank thus detecting the occurrence of leaks any where around the tank. Circuitry contr... | 05/24/1994 |
| 5264830 | Apparatus for sensing wet diaper A device for signaling a wet condition in a diaper. The device includes a sensing means for sensing wet conditions in the diaper and signal means connected to the sensing means for producing a signal substantially concurrently with sensing the wet conditi... | 11/23/1993 |
| 5229750 | Fail-safe leak detector including independent and repetetive sensing means A fail-safe system for the detection of water leaks, and for the prevention of damage therefrom. In a home or building which includes a hot-water tank and a water tank for a toilet, e.g., the damage-prevention system comprises valves for shutting off the ... | 07/20/1993 |
| 5210525 | Floating key finder A floating key finder is disclosed which includes a housing which is buoyant and has a key ring attached to the housing and designed to hold a plurality of keys. An electrical circuit is contained within the housing and includes a moisture sensing switch ... | 05/11/1993 |
| 5111222 | Pressure alarm in water-sealed camera In a camera adapted to be sealed against water, the camera having a reciprocating lens barrel, a member for detecting water around the camera, and for controlling the lens barrel, so that the lens barrel will not be moved when water is detected by the det... | 05/05/1992 |
| 5091715 | Leak detection and alarm system A leak alarm system monitors the wetness of a floor. The alarm system comprises a housing having a flat bottom surface and support feet for supporting the housing off the floor such that each one of the support feet is in contact with the floor. Each supp... | 02/25/1992 |
| 5043704 | Enuresis avoidance training aid An apparatus which is worn to condition the wearer against bed wetting is disclosed. The apparatus includes a wetness sensor that has a circuit pattern in which a multiplicity of interleaved, spaced apart conductive fingers reside on a non-conductive subs... | 08/27/1991 |
| 5029605 | Fluid vessel overflow system There is provided a system for blocking the inflow of water to an appliance such as a hot water tank in the event of a leak in the appliance or water supply thereto. A low voltage current solenoid selectively blocks said inflow in response to a leak. No c... | 07/09/1991 |
| 5015996 | Switch device with a trouble detecting and indicating function A novel electro-mechanical switch device is disclosed which is suitable for use in a factory production line to detect and control the flow of workpieces or articles of manufacture along the line. The switch device includes a pair of switches (101, 102) o... | 05/14/1991 |
| 5008652 | Water leak detection apparatus for use in suspended ceilings A device for detecting leakage of liquid through a ceiling comprising at least one liquid concentrating tray having peripheral flanges for support from ceiling panel support rails and surfaces between said flanges sloping toward narrow troughs, electric c... | 04/16/1991 |
| 5008650 | Leak damage prevention system A battery-powered, liquid-detection alarm and shut-off system includes an elongated sensor, an electronic controller, and a spring biased shut-off valve assembly. The sensor comprises two partially exposed conductors separated by protruding ridges of insu... | 04/16/1991 |
| 4998096 | Multipurpose alarm device A hot water tank leakage detection system having a conventional smoke alarm unit 10, conductor pair 20, and probe 30. Conductor pair 20 is removably connectable to alarm unit 10 through male/female two conductor jack pair 15 and 25 respectively. In use pr... | 03/05/1991 |
| 4972179 | Liquid leakage detection apparatus including wheatstone bridge Liquid leakage detection apparatus is provided comprising: (a) a long detecting component wherein there are the following components bundled together: (i) a first conductor having a leading end and a trailing end, the first conductor covered by insulation... | 11/20/1990 |
