| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 07/06/1999 | CA2115852C Overvoltage protection circuit |
| 07/01/1999 | WO1999033161A1 Method for influencing the electrical power of a load with a pulse width modulated signal |
| 07/01/1999 | WO1999033122A1 SUPERCONDUCTOR STRUCTURE WITH HIGH-Tc SUPERCONDUCTOR MATERIAL, METHOD FOR PRODUCING SAID STRUCTURE AND CURRENT-LIMITING DEVICE WITH A STRUCTURE OF THIS TYPE |
| 07/01/1999 | DE19856425A1 High temperature superconductor for use in superconducting fault current limiter |
| 07/01/1999 | DE19756624A1 Overcurrent limiting device has series circuit of superconductor and switch in parallel with inductive impedance comprising choke coil and superconductor arranged outside choke coil |
| 07/01/1999 | DE19756461A1 Verfahren zum Beeinflussen der elektrischen Leistung einer Last mit einem impulsbreitenmodulierten Signal A method for influencing the electrical power of a load with a pulse-width modulated signal |
| 07/01/1999 | CA2315081A1 Superconductor construction with high tc superconductor material, process for producing the construction, and current limiter device having such a construction |
| 06/30/1999 | EP0926797A2 Devices for limiting overcurrents |
| 06/30/1999 | CN2327089Y Low-voltage power-supply lighting arrester |
| 06/30/1999 | CN1221243A Overcurrent limitting device |
| 06/29/1999 | US5917391 Transient voltage surge suppressor having a switch with overtravel protection |
| 06/29/1999 | US5917336 Circuit for electrostatic discharge (ESD) protection |
| 06/24/1999 | WO1999031778A1 Protective device against excessive currents, in particular for resettable protection of a controlled switch |
| 06/24/1999 | WO1999031692A1 A device for switching |
| 06/22/1999 | US5914845 Surge protector system |
| 06/22/1999 | US5914662 Circuit and method for indicating the remaining suppressing capacity of a multiple-element transient-voltage protection device |
| 06/22/1999 | CA2012854C Electrical surge suppressor and dual indicator apparatus |
| 06/19/1999 | CA2256571A1 Device for limiting overcurrents |
| 06/17/1999 | WO1999010897A8 Improvements relating to high voltage electric installations |
| 06/16/1999 | EP0923163A2 Bus system arrangement, in particular for measuring apparatuses |
| 06/16/1999 | CN1219801A Power source circuit of semiconductor integrated circuit |
| 06/16/1999 | CN1043697C Over-voltage protecting discharger |
| 06/15/1999 | US5912607 Fault current limiting superconducting coil |
| 06/10/1999 | WO1999029007A1 Pre-loading device for an electric power system |
| 06/10/1999 | WO1999029006A1 A fault current limiter |
| 06/10/1999 | DE19851047A1 Superconductive current limiting device for fault current protection |
| 06/09/1999 | EP0921625A2 Power supply with improved inrush current limiting circuit |
| 06/09/1999 | EP0921619A2 A power source circuit of a semiconductor integrated circuit |
| 06/09/1999 | EP0867060B1 Electrical power supply with low-loss making-current limitation and step-up converter circuit |
| 06/09/1999 | CN1219304A Electrical isolation between IR receiver and further electronic circuits |
| 06/09/1999 | CN1219300A Device and method for protection against overvoltages |
| 06/08/1999 | US5910890 Circuit for controlling application of electricity to a coil of and electric current switching apparatus |
| 06/08/1999 | US5910874 Gate-coupled structure for enhanced ESD input/output pad protection in CMOS ICs |
| 06/08/1999 | US5910873 Protection circuitry |
| 06/08/1999 | US5910690 Hotswappable chassis and electronic circuit cards |
| 06/02/1999 | EP0920242A1 Circuit arrangement to protect an electrical component against an electrical potential |
| 06/02/1999 | DE19751802A1 Regulation arrangement for operation of earthing coil |
| 06/02/1999 | DE19751482A1 Overvoltage shunt circuit |
| 06/02/1999 | DE19751470A1 Overvoltage protection device for electrical apparatus connected to power line |
| 06/02/1999 | CN1218320A Discharge gap device and its mounting structure |
| 06/02/1999 | CN1218300A Current limiter |
| 06/01/1999 | US5909135 High-side MOSFET gate protection shunt circuit |
| 06/01/1999 | US5909104 Electrostatic enhanced lithium battery circuit |
| 06/01/1999 | US5909065 Multi-stage precharging system to limit power supply transients when printed circuit boards are plugged in |
| 06/01/1999 | CA2167492C Magazine arrangement |
| 05/27/1999 | WO1998052172A3 Plug-and-socket connection for power and data transmission |
| 05/26/1999 | EP0917759A1 Device and method for protection against overvoltages |
| 05/26/1999 | CN2321155Y Lightening arrester for electronic equipment |
| 05/26/1999 | CN2321154Y Lightening arrester for power supply |
| 05/26/1999 | CN2321153Y Maintenance-free communication line facility protector |
| 05/26/1999 | CN1043499C Low-voltage distribution type lighting protection moudle |
| 05/20/1999 | WO1999025050A1 Current limiting device for combinational circuits |
| 05/20/1999 | WO1999025032A1 Current limiting device |
| 05/20/1999 | WO1999010902A3 Circuit breakers with ptc (positive temperature coefficient resistivity) elements |
| 05/19/1999 | EP0917264A1 Discharge gap device |
| 05/18/1999 | US5905623 Telephone and data overvoltage protection apparatus including a longitudinal transformer |
| 05/18/1999 | US5905614 Device for protection against electrostatic discharges on the terminals of a MOS integrated circuit |
| 05/18/1999 | US5905287 Semiconductor device with high voltage protection |
| 05/18/1999 | US5905282 Multi-terminal surge protection device |
| 05/12/1999 | EP0915551A2 Schmitt trigger-configured ESD protection circuit |
| 05/12/1999 | EP0915345A2 Electrical apparatus, in particular a surge arrester, provided with fault current display |
| 05/12/1999 | DE19750760A1 Strombegrenzungseinrichtung für Schaltnetze Current limiting device for switching networks |
| 05/12/1999 | DE19750758A1 Strombegrenzungseinrichtung Current-limiting device |
| 05/12/1999 | CN1216360A Power supply circuit of microwave oven |
| 05/12/1999 | CN1043394C Power converting circuit |
| 05/11/1999 | US5903426 Overvoltage protection apparatus for a data interface |
| 05/11/1999 | US5903424 Method for protecting an integrated circuit against electro-static discharges |
| 05/11/1999 | US5903417 Self-excitation type switch power supply unit with overcurrent protection |
| 05/11/1999 | US5903028 Static and monolithic current limiter and circuit-breaker |
| 05/11/1999 | CA2066636C Dual shunt current regulator |
| 05/10/1999 | CA2244804A1 Thermal protection for surge suppression |
| 05/06/1999 | WO1999010959A3 Method for adjusting compensating inductor in distribution network for electrical energy |
| 05/06/1999 | EP0913980A2 Protection of active telephone line interface circuits |
| 05/06/1999 | EP0913018A1 Superconducting short-circuit current limiter |
| 05/06/1999 | EP0847611B1 Sharing arrangement for surge protection circuitry |
| 05/06/1999 | EP0795218A4 Ignition apparatus and method |
| 05/05/1999 | CN2317569Y Double safety overvoltage absorber |
| 05/05/1999 | CN1216170A Filter for pair of data communication lines |
| 05/04/1999 | CA2111280C Surge suppression device |
| 04/28/1999 | EP0911889A2 High temperature superconducting device |
| 04/28/1999 | CN2316757Y Lightning protection converter |
| 04/28/1999 | CN2316756Y Lighting protector for AC power |
| 04/28/1999 | CN2316755Y Overcurrent fuse box for electrical appliance of automobile |
| 04/27/1999 | CA2151683C Redundant power mixing element with fault detection for dc- to-dc converter |
| 04/22/1999 | WO1999019957A1 Surge suppressor device |
| 04/21/1999 | CN2315696Y Discharge type protector |
| 04/21/1999 | CN2315695Y Anti-aging arrester |
| 04/20/1999 | US5895979 Power distribution network incorporating a voltage support transformer and process of use |
| 04/15/1999 | WO1999018646A1 Modulation compensated clamp circuit |
| 04/15/1999 | CA2272619A1 Modulation compensated clamp circuit |
| 04/14/1999 | CN2314486Y Multifunctional lightning-proof adapter |
| 04/14/1999 | CN1213879A Protective circuit and electric circuit using protective circuit |
| 04/14/1999 | CN1042990C Power converter protective appts. |
| 04/13/1999 | US5894396 Inrush current protection circuit |
| 04/13/1999 | US5894395 Contactor-circuit breaker |
| 04/13/1999 | US5894153 Field implant for silicon controlled rectifier |
| 04/08/1999 | WO1999017415A1 Power breaker for power supply and distribution |
| 04/07/1999 | EP0906650A1 Electrical apparatus with a variable circuit protection device |
| 04/07/1999 | CN2313307Y Substituting-type abrupt-wave protection plug |
| 04/06/1999 | US5892669 Electronic products with improved surge protecting circuit |