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| Number | Title | Issue Date |
| 6927482 | Surface mount package and method for forming multi-chip microsensor device A surface mount package for a multi-chip device has a leadframe formed with first and second die pads and leadouts from the respective die pads. An environmentally responsive sensor chip is secured to the first die pad and an environmentally isolated chip is secured... | 08/09/2005 |
| 6611772 | Electronic electricity meter configurable to operate in a plurality of meter forms and ratings An electricity meter which, in one embodiment, includes a digital signal processor configurable for generating energy measurements for a plurality of meter form types and connections is described. In the one embodiment, the meter includes voltage and curr... | 08/26/2003 |
| 6082895 | Thermistor A thermistor including a pill assembly, a connector body, and an adhesive sealant. The pill assembly includes a thermistor pill and a conductive lead operably attached thereto. The conductive lead extends through the connector body. The adhesive sealant b... | 07/04/2000 |
| 5854995 | Vector electricity meters and associated vector electricity metering methods Line voltage and line current signals are sensed on a power line having at least one conducting path. The sensed line voltages and line currents are converted into a digital signal. A phase-to-neutral voltage signal and phase current signal are computed f... | 12/29/1998 |
| 5847630 | Compact circuit breaker incorporating a polymer current limiter A compact current limiting circuit breaker utilizes a polymer current limiter, an arc rail and an arc gap for effective overcurrent protection. Upon the occurrence of contact separation an arc is drawn between the circuit breaker contacts and driven towar... | 12/08/1998 |
| 5548887 | Method of making a transformer core from strips of amorphous steel This method employs a rotatable mandrel having a circular outer peripheral portion comprising a section that is removably held in place within the peripheral portion and has an arcuate outer surface forming a part of said circular outer peripheral portion... | 08/27/1996 |
| 5528817 | Apparatus for making packets of amorphous steel strip for transformer core manufacture This method of making packets of amorphous metal strip adapted to be wrapped about the arbor of a transformer-core-making machine comprises providing first and second composite strips, each comprising many thin layers of amorphous metal strip stacked in s... | 06/25/1996 |
| 5525068 | Electric power busway plug connector shutter arrangement The electric busway busbars within a plug-in busway system are covered by an insulating cover to prevent inadvertent contact when the busbars are energized. To allow contact with the busbars for busway plug connection, the insulating cover is arranged for... | 06/11/1996 |
| 5510942 | Series-capacitor compensation equipment This series-capacitor compensation equipment comprises a series-capacitor bank in series with a power line and an overvoltage protection circuit for the capacitor bank comprising the series combination of a surge arrester and electric bus structure connec... | 04/23/1996 |
| 4957447 | Electric power busway plug alignment arrangement A locating and alignment pin provided on the bottom of an electric busway switch provides immediate location of the switch connector clips with respect to the busway connector tabs while, at the same time, aligning the switch interlock with the correspond... | 09/18/1990 |
| 4922363 | Contactor control system A method and apparatus in a control system for an electromagnetic contactor for reducing multiple re-ignitions incorporates a regulated source of electrical power coupled to a contactor actuating coil through a controllable switch. The switch is used to r... | 05/01/1990 |
| 4796154 | Molded case circuit breaker with contact status indicating handle An integrated electronic trip molded case circuit breaker includes a trip unit circuit arranged on a printed wire board contained within the breaker enclosure along with at least one circuit breaker auxiliary accessory. The condition of the integrated cir... | 01/03/1989 |
| 4108531 | Fuse holder assembly field convertible from fuse non-rejecting to rejecting modes A fuse holder assembly includes a fuse clip having clamping arms which define a pocket for receiving a fuse terminal ferrule. A rejection member equipped with an interference element is slideably mounted for movement between a non-rejecting position and a... | 08/22/1978 |
| 3944957 | Flux-transfer trip device for a circuit breaker This trip device comprises a permanent magnet of cobalt-rare earth material and a plunger which is normally held in a withdrawn position by the permanent magnet. A tripping coil surrounds the plunger and, upon energization, develops tripping flux that opp... | 03/16/1976 |
