| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 10/06/1999 | EP0948123A1 Protecting method for inrush current preventing resistor |
| 10/06/1999 | EP0947041A2 A device and a method for protecting an object against fault related over-currents |
| 10/06/1999 | EP0947040A1 A rechargeable battery with a built-in safety circuit for a portable electric apparatus |
| 10/06/1999 | EP0868704B1 Fault detection and modification circuit |
| 10/06/1999 | CN1231077A Power switch equipment for power supply and power distribution |
| 10/06/1999 | CN1045505C Protective device for surge current protection of associated equipment in communications systems |
| 10/05/1999 | US5962929 Fault tolerant power distribution |
| 09/30/1999 | WO1999010897A9 Improvements relating to high voltage electric installations |
| 09/30/1999 | DE19807907A1 Method of monitoring and preventing short circuits or short circuit-like states in electronic equipment connected to mains |
| 09/29/1999 | CN2341309Y Safety unit |
| 09/29/1999 | CN1230302A Circuit protection arrangements |
| 09/29/1999 | CN1230051A Fast cut-off switch using semiconductor tech. |
| 09/28/1999 | US5959821 Triple-well silicon controlled rectifier with dynamic holding voltage |
| 09/23/1999 | DE19812341A1 Schneller Trenner in Halbleitertechnologie Fast separator in semiconductor technology |
| 09/23/1999 | CA2258364A1 Transient voltage surge suppressor having a switch with overtravel protection |
| 09/22/1999 | EP0944155A2 Fast disconnect switch in semi-conductor technology |
| 09/22/1999 | EP0944151A1 Protective circuit structure against electrostatic discharges |
| 09/22/1999 | EP0943178A1 Short circuit protection for a semiconductor switch |
| 09/22/1999 | EP0943171A1 Modulation compensated clamp circuit |
| 09/21/1999 | US5956582 Current limiting circuit with continuous metallization |
| 09/21/1999 | US5956223 Surge protection system including proper operation indicator |
| 09/21/1999 | US5956219 High voltage power supply clamp circuitry for electrostatic discharge (ESD) protection |
| 09/21/1999 | US5955960 Tamper resistant electronic lock and method of using same |
| 09/21/1999 | US5955892 Programmable integrated circuit having test antifuse circuitry for testing programming conductors |
| 09/17/1999 | CA2260474A1 Transient voltage surge suppressor with three-way fault indication |
| 09/16/1999 | WO1999046842A1 Protective circuit |
| 09/15/1999 | EP0942475A2 Tubular support structure for a superconducting device |
| 09/15/1999 | EP0941550A1 Electromagnet for an electrovalve |
| 09/15/1999 | CN2338902Y Multi-functional lightning protection power supply distribution box |
| 09/15/1999 | CN1045141C Circuit of isolating power network from load during overcurrent condition |
| 09/14/1999 | US5953198 Electromagnetic drive apparatus |
| 09/14/1999 | US5953194 Arrangement for protecting telecommunications equipment from voltage transients |
| 09/14/1999 | US5953189 Circuit for the protected power supply of an electrical load |
| 09/14/1999 | US5952824 Magnetic detecting apparatus with giant magnetoresistive sensing element and level shifting waveform processing circuit |
| 09/14/1999 | US5952811 Device for shutting off current through a motor start-up circuit after a specified wait period |
| 09/14/1999 | US5951660 Current control interface arrangement |
| 09/10/1999 | WO1999045622A1 Current-limiting arrangement with a superconductive transformer arrangement in an electric circuit |
| 09/10/1999 | WO1999045621A1 Field bus system with a field bus distributor |
| 09/10/1999 | WO1999045553A1 Direct current magnet system for an electromagnetic switching device |
| 09/09/1999 | DE19809314A1 Anordnung sowie Verfahren zur Strombegrenzung mit einer supraleitenden Transformatoranordnung in einem elektrischen Schaltkreis Arrangement and method for current limiting with a superconducting transformer arrangement in an electrical circuit |
| 09/08/1999 | EP0939992A2 Method for adjusting compensating inductor in distribution network for electrical energy |
| 09/08/1999 | CN2337707Y Semicondutor discharging tube with alarming electrode and its protective electric circuit |
| 09/08/1999 | CN2337706Y Telecommunication equipment protector |
| 09/07/1999 | US5949668 Power amplifier with multiple switched output stages, and method and driver for operating same |
| 09/07/1999 | US5949300 Line coupler |
| 09/07/1999 | CA2182794C Coaxial transmission line surge arrestor |
| 09/02/1999 | WO1999044255A1 Electrostatic enhanced lithium battery circuit |
| 09/01/1999 | CN1227395A Circuit for controlling application of electricity to coil of and electric current switching apparatus |
| 08/31/1999 | US5946178 Protective circuit for series-connected power semiconductors |
| 08/31/1999 | US5946176 Electrostatic discharge protection utilizing microelectromechanical switch |
| 08/31/1999 | US5946172 Installation for power transmission by means of high-voltage direct current, comprising device for detection of a permanent ground fault |
| 08/31/1999 | CA2074167C Solid state current controlled interruption system |
| 08/26/1999 | DE19806311A1 Device for switching inductive load, such as solenoid valve in motor vehicle |
| 08/25/1999 | CN2335293Y Self-recovery indicating type protector |
| 08/25/1999 | CN2335291Y Multi-function protector |
| 08/24/1999 | US5943203 Electronic circuit breaker |
| 08/18/1999 | EP0936649A2 Circuit for controlling application of electricity to a coil of and electric current switching apparatus |
| 08/18/1999 | CN2334117Y Terminal box with protection of information transmission terminal |
| 08/18/1999 | CN1044756C Short circuit limiting protector |
| 08/17/1999 | US5940259 Voltage surge protector for electronic circuits with semiconductor components |
| 08/17/1999 | US5939969 Preformed thermal fuse |
| 08/12/1999 | WO1999040666A1 Device for suppressing interferences at current interfaces |
| 08/12/1999 | WO1999040665A1 System comprising hot insertable/removable function units |
| 08/11/1999 | EP0935261A2 Resistive fault current limiter |
| 08/11/1999 | EP0934596A2 Circuit breakers with ptc (positive temperature coefficient resistivity) elements |
| 08/11/1999 | CN2333110Y Over-voltage protector for colour television |
| 08/11/1999 | CN1225522A Overvoltage protection system and overvoltage protection element for overvoltage protection system |
| 08/11/1999 | CN1044654C Circuit for limiting current |
| 08/10/1999 | US5936495 For use in a power distribution system |
| 08/05/1999 | WO1999039421A1 Supplemental battery overcharge protection device |
| 08/05/1999 | WO1999039400A1 Overcharge protection device and methods for lithium-based rechargeable batteries |
| 08/05/1999 | DE19804015A1 Rectifier circuit |
| 08/05/1999 | DE19803543A1 Electrical device |
| 08/04/1999 | EP0933980A2 Arc limiting device |
| 08/04/1999 | EP0933860A1 Overvoltage protection system |
| 08/04/1999 | CN1044533C Drive circuit of an electromagnetic device |
| 08/03/1999 | US5933312 For eliminating a magnetic residual energy stored in a coil |
| 08/03/1999 | US5933311 Circuit breaker including positive temperature coefficient resistivity elements having a reduced tolerance |
| 08/03/1999 | US5933310 For interrupting a flow of current |
| 08/03/1999 | CA2050843C Noise eliminating element and electrical circuit having the same |
| 07/29/1999 | WO1999031692A8 A device for switching |
| 07/27/1999 | US5930130 Electronic power supply system |
| 07/27/1999 | US5930099 Grounding arrangement for a powerline system |
| 07/27/1999 | US5930096 Overvoltage and surge protection circuit in a hard disk drive |
| 07/27/1999 | US5930095 Superconducting current limiting device by introducing the air gap in the magnetic core |
| 07/27/1999 | US5929715 Oscillation circuit having electrostatic protective circuit |
| 07/27/1999 | US5928552 Power supply circuit of a microwave oven |
| 07/22/1999 | WO1999037008A1 Paired multi-layered dielectric independent passive component architecture resulting in differential and common mode filtering with surge protection in one integrated package |
| 07/22/1999 | WO1999037007A1 Power conditioning circuit |
| 07/21/1999 | EP0930695A2 Filter arrangement for converter with regulated voltage intermediate circuit and sinusoidal phase currents |
| 07/15/1999 | WO1999035742A1 Filter circuits for protecting against transient electrical pulses |
| 07/15/1999 | WO1999035692A1 Subscriber interface protection circuit |
| 07/14/1999 | CN2329110Y Arrestor for telephone set |
| 07/13/1999 | US5923516 Apparatus for protecting electrical and electronic equipment and associated method |
| 07/13/1999 | US5923202 Input/output overvoltage containment circuit for improved latchup protection |
| 07/13/1999 | CA2151010C High-temperature superconductive current limiter |
| 07/13/1999 | CA2122259C Dual voltage power supply |
| 07/08/1999 | WO1999034496A1 A device for overvoltage protection |
| 07/07/1999 | EP0858688A4 Esd protection for overvoltage friendly input/output circuits |
| 07/06/1999 | US5920186 In-rush current control circuitry |