| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 08/09/1994 | US5337208 In-line AC current limiter |
| 08/09/1994 | US5337205 Dual voltage power supply |
| 08/09/1994 | CA1331399C Assemblies of ptc circuit protection devices |
| 08/04/1994 | DE4403008A1 Inverter with overvoltage protection |
| 08/03/1994 | CN2173473Y Multi-output device |
| 08/02/1994 | US5335133 Dual output battery with fault detect |
| 08/02/1994 | US5334553 Telecommunication equipment protector |
| 08/02/1994 | CA1331206C Fault current limiter |
| 07/27/1994 | EP0607875A1 Protective circuit arrangement |
| 07/27/1994 | EP0607269A1 Device for overload and short-circuit protection in electric plants |
| 07/27/1994 | EP0514454B1 Device for motor and short-circuit protection |
| 07/26/1994 | US5333105 For use in a vehicle |
| 07/26/1994 | US5333094 Transient reduction circuit |
| 07/26/1994 | CA1331038C Automatically resetting protection arrangement for a telephone subscriber line interface circuit |
| 07/21/1994 | WO1994016372A1 Low loss recirculation apparatus |
| 07/21/1994 | DE4300882A1 Inductive load voltage limiting arrangement |
| 07/20/1994 | EP0606444A1 Series circuit provided with by-pass circuits, as well as by-pass circuit to be used therewith. |
| 07/13/1994 | CN1089403A Switching arrangement |
| 07/07/1994 | DE4342635A1 Überspannungsschutz für elektrische Geräte Surge protection for electrical equipment |
| 07/06/1994 | CN2171154Y Lightning, overvoltage protective safety socket switch |
| 07/05/1994 | US5327319 Common mode voltage surge protection circuitry |
| 07/05/1994 | US5327318 Telecommunication equipment protector |
| 07/05/1994 | US5327316 Power terminal protection device |
| 06/28/1994 | US5325259 Overvoltage protection for series capacitor equipment |
| 06/28/1994 | CA1330451C Solid state overcurrent protection device |
| 06/22/1994 | EP0603026A1 Protection device for electronic installations against transients generated by phenomena affecting the environment outside of the installation |
| 06/22/1994 | EP0602699A2 Current limited power semiconductor device |
| 06/22/1994 | EP0527137B1 Process and device for reducing the inrush current when powering an inductive load |
| 06/22/1994 | EP0433329B1 Apparatus suitable for use in protecting electrical installations from transients |
| 06/21/1994 | US5323289 Lightning protection for field mounted instruments |
| 06/15/1994 | EP0601809A1 Telecommunication equipment protector |
| 06/15/1994 | EP0600874A1 Circuit arrangement |
| 06/15/1994 | EP0323525B1 Digital differential signal transmission apparatus having intrinsically safe barrier |
| 06/15/1994 | CN1025101C Overvoltage and overcurrent protective circuit with high earth balance |
| 06/14/1994 | US5321575 Power line transient suppression circuit |
| 06/14/1994 | US5321574 Circuit breaker/surge arrestor package in which the arrestor uses an MOV that is thermally de-coupled from the breaker's thermal trip circuit |
| 06/14/1994 | US5321573 Monolythic surge suppressor |
| 06/14/1994 | CA1330225C Interface circuit with transient event tolerance |
| 06/09/1994 | WO1994013006A1 Charged particle generation |
| 06/09/1994 | WO1994013004A1 Inrush current limiter |
| 06/09/1994 | DE4241311A1 Monitoring and safety system for electrical overload - uses varistor that has soldered control terminal that is released when predetermined temp. is reached to operate alarm |
| 06/08/1994 | CN2168358Y Active thunder-arresting protector for electric power system |
| 06/07/1994 | CA1330105C Electrostatic discharge protection circuit for an integrated circuit |
| 06/01/1994 | EP0598830A1 Improved lightning protection for field mounted instruments |
| 06/01/1994 | EP0458798B1 Current control circuit |
| 05/31/1994 | US5317469 Arrangement of an over-voltage protection circuit |
| 05/26/1994 | WO1994011937A1 A short-circuit limiting protector |
| 05/26/1994 | WO1994011936A1 Switching arrangement |
| 05/26/1994 | CA2148362A1 Switching arrangement |
| 05/26/1994 | CA2127441A1 A short-circuit limiting protector |
| 05/25/1994 | CN2166553Y Arrester tester |
| 05/24/1994 | US5315149 Self-protected dividing bridge |
| 05/17/1994 | US5313358 Multiphase common mode transient suppressor |
| 05/11/1994 | WO1994010744A1 Active power line conditioner with synchronous transformation control |
| 05/11/1994 | WO1994010735A1 Method and device for measuring compensation balance and imbalance in an electrical supply network |
| 05/11/1994 | WO1994010734A1 Device for protection |
| 05/11/1994 | EP0596791A1 Superconducting winding, in particular for current limiter and current limiter with such a winding |
| 05/11/1994 | EP0596566A2 High-voltage transformer |
| 05/11/1994 | EP0596472A2 Circuit arrangement for feeding an inductive load |
| 05/11/1994 | CA2147257A1 Active power line conditioner with synchronous transformation control |
| 05/10/1994 | US5311393 Transient voltage surge suppressor with I2 R/I2 T overcurrent protection switch |
| 05/10/1994 | US5311391 Electrostatic discharge protection circuit with dynamic triggering |
| 05/10/1994 | US5311164 Surge absorber |
| 05/04/1994 | EP0595677A1 Method and device for measuring match and mismatch of compensation of an electric distribution network |
| 05/04/1994 | EP0595376A2 Fail-safe surge arrester |
| 04/28/1994 | WO1994009566A1 Superconductor switching circuits |
| 04/27/1994 | EP0593588A1 Circuit protection arrangement. |
| 04/26/1994 | US5306990 Electric motor control apparatus including an output stage protected against malfunction and damage |
| 04/20/1994 | CN1085701A Remotely actuated switch and protection circuit |
| 04/20/1994 | CN1085691A Gas tube vent-safe device |
| 04/19/1994 | US5305174 Method of and device for protecting electrical power system |
| 04/13/1994 | EP0592164A1 Power supplies |
| 04/13/1994 | EP0591915A2 Device for limiting inrush current in switching power supplies |
| 04/13/1994 | CN1085364A Switching arrangement for a communications channel |
| 04/12/1994 | US5303116 Surge protector |
| 04/12/1994 | US5303115 PTC circuit protection device comprising mechanical stress riser |
| 04/12/1994 | US5303114 Overload protection circuit capable of sustaining high inrush current in the load circuit |
| 04/07/1994 | DE4233108A1 Safety coupling device, esp. for explosive environments - contains device with intrinsically safe components connected via cable and plug connector to device with encapsulated components |
| 04/06/1994 | EP0590088A1 Ac voltage clipper in mos-technology. |
| 04/05/1994 | US5300897 Amplifier protection circuit |
| 03/31/1994 | DE4303990C1 Relay switching control for protecting against HV transients - has power limiting diode and controlled period of switching using monitored relay condition using microcomputer control unit |
| 03/31/1994 | DE4232476A1 Three=phase network monitoring arrangement for low voltage and phase failure - has single IC component which detects and evaluates each half wave of all phases |
| 03/30/1994 | EP0589559A2 Input protection circuit for power converter |
| 03/30/1994 | CN1084680A Thyristor fail-safe device |
| 03/29/1994 | US5299088 Protective circuit and protective plug for telecommunication installations |
| 03/28/1994 | EP0598830A4 Improved lightning protection for field mounted instruments. |
| 03/23/1994 | EP0588469A1 Personal computer with SCSI bus power control |
| 03/22/1994 | US5296996 Device for motor and short-circuit protection |
| 03/17/1994 | WO1994006190A1 Dual voltage power supply |
| 03/17/1994 | WO1994006130A1 Changeable high-current resistor and its use as a protective component |
| 03/16/1994 | EP0587206A1 Energising apparatus for wiper motor |
| 03/15/1994 | US5294839 Soft start AC tool handle trigger switch circuit |
| 03/10/1994 | DE4229440A1 Inductive load switching circuitry - uses two switches in series and in parallel with load supplied with inverse control signals |
| 03/08/1994 | US5293297 Circuit protection device |
| 03/08/1994 | US5293077 Power switching circuit |
| 03/03/1994 | WO1994005066A1 Thyristor fail-safe device |
| 03/03/1994 | DE4228297A1 Veränderbarer Hochstromwiderstand, insbes. zur Anwendung als Schutzelement in der Leistungsschalttechnik, und Schaltung unter Verwendung des Hochstromwiderstandes Variable high-current resistor, esp. For use as a protective element in power switching technique circuit and using the high-current resistor |
| 03/01/1994 | US5291366 Surge voltage arrester |
| 03/01/1994 | US5291365 Power supply with overvoltage protection circuit |
| 02/24/1994 | DE4309484C1 Power transformer switching-on current transient suppression system - pre-magnetises transformer core before switching to supply network with secondary load disconnected. |