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| Number | Title | Issue Date |
| 8004418 | Communication interface apparatus for an electrical distribution panel, and system and electrical distribution panel including the same A system includes a number of electrical switching apparatus having separable contacts, an operating mechanism structured to open and close the separable contacts, a trip mechanism cooperating with the operating mechanism to trip open the separable contacts, a test ... | 08/23/2011 |
| 7340311 | Electrical panel access and control apparatus including true emergency stop and power buss lockout An improved electrical panel design provides a modular, power-reliable, buss-lockout and true emergency-stop capabilities. Through the use of an interface, the approach eliminates numerous outdated, if not antiquated, parts, including safety locks, mechanical discon... | 03/04/2008 |
| 7327274 | Programmable panel schedule The programmable panel schedule is an apparatus for monitoring and modifying electrical circuits. The programmable panel schedule can eliminate the need to rely on paper schedules and permit a building engineer to instantly assess any monitored circuit for changes, ... | 02/05/2008 |
| 7324005 | Modular surge protection A power protection system for protection against an electrical transient surge and/or interference. Such a system can be useful in the dispensing of fuel at gas stations, convenience stores, truck stops, and other such locations, for protection of the low voltage si... | 01/29/2008 |
| 7301738 | Method and apparatus for minimally invasive network monitoring A method and apparatus for monitoring a communication network is provided. The network includes a plurality of node electronics units communicatively coupled to at least one central control processing unit through at least one network wherein each network includes a... | 11/27/2007 |
| 7278879 | Connector isolation station system A connector isolation station system includes ports to receive connectors and includes shield members. The shield members have material properties to substantially shield, attenuate, absorb, diminish, or otherwise hinder or at least partially block wireless signals ... | 10/09/2007 |
| 7227347 | Device and method for measuring a current A device and method for current measurement in a conductor and, in particular, a method to feed the devices of the invention in order to interpret the information provided. The method is based on the exploitation of discrete sampling of the information provided from... | 06/05/2007 |
| 7223021 | Electronic device with illuminated nameplate An electronic device with an illuminated nameplate includes at least one light-emitting device, at least one circuit board, at least one casing and at least one opening. In this casing, at least one connector connects with the circuit board. The casing has at least ... | 05/29/2007 |
| 7224266 | Method for identifying and controlling a vehicle driver A method to identify a person driving a vehicle and his/hers driving style, and also to switch on the vehicle either to a driving-allowing mode or to a drive-stop mode, is provided. In the method, the vehicle includes a scanner, and the driver is provided with a dat... | 05/29/2007 |
| 7167351 | Faulted current indicator Faulted current indicator. Apparatus and method for observing the status of faulted current interrupters for high voltage transmission lines are described. Light emitting diodes powered by a photovoltaic voltage source are used to identify interrupters which have be... | 01/23/2007 |
| 7148698 | Fuse saving tester for fused circuit In one form, tester for an electrical system, such as for a vehicle, develops repetitively applied, short duration, control current pulses for reducing load current pulses through the electrical system. An operator connects a pair of input contacts across a fuse hol... | 12/12/2006 |
| 7116294 | LED driver circuits Several driver circuits for energizing series arrays of LEDs are disclosed. The LED driver circuits incorporate programmable microcontrollers and switching regulators in circuits that permit precise control of current applied to the series array of LEDs. One driver ... | 10/03/2006 |
| 7112895 | Reduced power consumption in integrated circuits with fuse controlled redundant circuits System and method for reducing power consumption in integrated circuits (IC) with fuse controlled redundant circuits. A preferred embodiment comprises detecting the status of fuses within the IC, disabling input signals to redundant circuits if none of the fuses hav... | 09/26/2006 |
| 7109877 | Fault monitoring apparatus and method A fault condition monitoring apparatus for use with a fuse cutout includes a housing operable to be supported by the fuse cutout. The housing has first and second contacts operable to make electrical contact with fuse contacts on the fuse cutout when the housing is ... | 09/19/2006 |
| 7050283 | Method and apparatus for protecting monitor circuit from fault condition A method and apparatus for improving the fault protection of a monitor circuit is provided by coupling an input protection circuit to an output section. The input protection circuit may include a fusible device that limits or removes a fault condition present at an ... | 05/23/2006 |
| 7020213 | Method and apparatus for selectively providing different electric signal paths between circuits A digital signal path selector is disclosed in its simplest form for selectively connecting two input terminals to two output terminals. Both input terminals and output terminals are laid out on a control panel, on which there are also provided two input select push... | 03/28/2006 |
| 7010589 | Remote power control system An SNMP network comprises a power manager with an SNMP agent in TCP/IP communication over a network with an SNMP network manager. The power manager is connected to control several intelligent power modules each able to independently control the power on/off status o... | 03/07/2006 |
| 7005996 | Power distribution panel with modular inserts A power distribution panel with a chassis defining an interior with a first opening and a second opposing opening. The panel including a module with a bottom, a first face and a second face, and including a power input terminal, a plurality of power output terminals... | 02/28/2006 |
| 6998835 | Electromagnetic sensor system and method An electromagnetic sensor system. The system includes an electromagnetic excitable structure that generates an acoustic signal when irradiated with electromagnetic energy; an acoustic energy transducer sensor for generating a first output signal that represents the ... | 02/14/2006 |
| 6972571 | Load board with embedded relay tracker A load board includes an embedded relay tracker circuit that counts and stores relay clicks to measure relay usage. Having accurate relay usage data reduces maintenance costs. The relay tracker circuit includes a controller with a counter for counting relay clicks o... | 12/06/2005 |
| 6956459 | Sensing apparatus for blown fuse of rectifying wheel and associated methods A blown fuse proximity sensing device 40 is for use with a rectifying wheel 37 of a type including rectifying diodes 38 and associated fuses 42. Each fuse 42 may include a housing 51, a fuse element 52 carried by the ... | 10/18/2005 |
| 6791453 | Communication protocol for interconnected hazardous condition detectors, and system employing same Presented is a communications protocol for use by interconnected hazardous condition detectors, such as smoke and carbon monoxide detectors for use in dwellings and other structures. This communications protocol provides conventional signaling to indicate the presen... | 09/14/2004 |
| 6703938 | Electrical panel safety monitor An electrical safety monitor (20) includes a housing (50) with a display face (70) and a securing section (54) that connects with an electrical panel (62). Electrical circuitry (30) is contained in the housing (50). The electrical circuitry (30) communica... | 03/09/2004 |
| 6696969 | Compact fused disconnect switch A fused disconnect switch assembly includes a pull out fuse assembly and a switch housing assembly. The fuse assembly includes a line side conducting portion, a load side conducting portion, and a fuse element therebetween. The switch housing assembly inc... | 02/24/2004 |
| 6617974 | Multiple pole fused disconnect The present invention provides an improved fused disconnect. More specifically, the present invention provides a fusible disconnect that includes a single line side terminal, two independent load side terminals, two independent removable fuse carriers and... | 09/09/2003 |
| 6469629 | Distributed logic in multiple protective relays A protective relay, system, and relay operation method which allows logic functions to be distributed amongst multiple protective relays associated with a power distribution system. The protective relays include communications ports for exchanging message... | 10/22/2002 |
| 6459380 | Semiconductor apparatus with alarm predicting means A semiconductor apparatus, including an intelligent power module, facilitates preventing sudden stop of an inverter due to an anomaly from affecting a factory operation adversely. When an anomaly occurs in IGBTs of the inverter, one of protection circuits... | 10/01/2002 |
| 6448785 | Fuse puller with continuity indicator A fuse extractor and puller including a generally cylindrical fuse receiving portion, a lifting and inserting tower attached to the cylindrical fuse receiving portion, and a gripping head attached to the tower and having specially molded characters etched... | 09/10/2002 |
| 6107908 | Blown fuse commutator strip and method of use A blown fuse commutator strip which is removably attachable to a pre existing plug-in type fuse, with the commutator strip having an indicator thereon which will notify the user that the fuse has blown and needs replacing.... | 08/22/2000 |
| 6067023 | Power distribution apparatus and method An apparatus and method for distributing power includes a housing, at least one input terminal, and at least one output terminal. The input and output terminals are each positioned in the housing. The input terminal is operatively connected to the output ... | 05/23/2000 |
| 5986557 | Three-phase fuse status indicator There is disclosed a multi-phase fuse status indicator having a green "good" and a red "bad" indicator LED for each line fuse of the respective phases, the current to the LED's being pulsed to cause them to provide a blinking indication. Power used for th... | 11/16/1999 |
| 5986558 | Modular precharge circuit Provided is a modular precharge circuit capable of rapidly recharging an equipment circuit path prior to insertion of a modular fuse or modular circuit breaker. The precharge circuit includes a switch to begin the operation of precharging, and a charge in... | 11/16/1999 |
| 5909180 | Electrical distribution system with informational display For use within an electrical distribution to control current paths through a plurality of associated circuit breakers, a circuit arrangement comprises a plurality of circuit breakers, each having a status related to open contact position and a closed cont... | 06/01/1999 |
| 5892449 | Electrical distribution system with an external multiple input and status unit An electrical distribution system having a load center for programmably and remotely controlling a plurality of circuit breakers, an expander unit coupled to the load center and a plurality of external switches for providing signals to the load center rep... | 04/06/1999 |
| 5821876 | Communication interface for bus connected circuit breakers The present invention provides a circuit breaker control arrangement that is reliable, accurate and cost-effective to manufacture, install and maintain. This circuit breaker arrangement also provides increased modularity by alleviating the need for instal... | 10/13/1998 |
| 5754113 | Circuit monitor for plural electrical switching apparatus A monitoring apparatus includes sensors for interconnection with the load output terminal of a corresponding circuit breaker. The sensors sense the closed and open states of the corresponding circuit breakers and produce closure signals at outputs. The se... | 05/19/1998 |
| 5739737 | Blown fuse indicator A fuse box is provided with LED's interconnected with all fuses carried by the fuse box for identifying a blown fuse. The LED's are interconnected with the fuses between the positive (current in) input and ground. When a fuse is blown, the fuse results in... | 04/14/1998 |
| 5731760 | Apparatus for preventing accidental or intentional fuse blowing A fuse protection and fuse blowing circuit includes a fuse register which has an additional fuse with respect to other fuse registers used in the system. The additional fuse has an output which indicates a blown/not blown state of the additional fuse, and... | 03/24/1998 |
| 5708554 | Power outlet box with special protection logic A power outlet box with special protection logic including a circuit having an on-off switch connected to the power input lead and a first fuse of relatively high rating protecting a first electrical outlet. A number of serially arranged outlets are conne... | 01/13/1998 |
| 5602532 | Audio coupled annunciating system for electrical panel boxes An electrically powered annunciating system, for use in electrical panel boxes, having a sensing circuit including a first acoustical transducer to transmit a sonic signal to an annunciating circuit having a second acoustical transducer at a spaced distan... | 02/11/1997 |
