| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 07/28/1993 | EP0552471A1 Protection circuit for electronic circuits |
| 07/28/1993 | EP0552406A1 Method for reducing the cut-in current in operating an inductive load |
| 07/27/1993 | US5231371 Overcurrent protection circuit |
| 07/27/1993 | US5231369 Resistive current limiter and process for producing it |
| 07/27/1993 | US5231367 Thermal response switch and a surge absorbing circuit using the same |
| 07/21/1993 | CN1074562A Method of eliminating capacitive earth current for small current earthing system |
| 07/20/1993 | US5229909 Surge suppression and fault containment circuit and packaging therefor |
| 07/20/1993 | US5229907 Device for protection against overvoltages of integrated electronic circuits, particularly for applications in the motor car field |
| 07/20/1993 | US5229695 Controller for automatically stopping motor in response to overcurrent condition |
| 07/14/1993 | EP0550554A1 Circuit protection device. |
| 07/13/1993 | US5227944 Breaker for surge protector |
| 07/13/1993 | US5227782 Hydrostatic interface unit |
| 07/06/1993 | US5225958 Electronic endoscope apparatus capable of protecting overvoltage for solid-state image sensor |
| 07/06/1993 | US5225957 Current limiting device |
| 07/06/1993 | US5225956 Superconducting ac current limiter equipped with quick-recoverable trigger coils |
| 07/06/1993 | US5225751 Power supply circuit for a motor |
| 06/29/1993 | US5224008 Surge protection device and system |
| 06/28/1993 | CA2085757A1 Communication-network surge absorber and surge absorbing circuit using the absorber |
| 06/24/1993 | WO1993012544A1 Scr protection structure and circuit with reduced trigger voltage |
| 06/24/1993 | DE4236584A1 Overload voltage protector e.g. for use with control and instrumentation equipment - has modular structure with overload elements in housing interconnected by bridging strips. |
| 06/22/1993 | US5222010 Railway track circuit surge suppression system |
| 06/20/1993 | CA2084975A1 Local line adapter |
| 06/16/1993 | EP0546963A1 In-series protection circuit |
| 06/16/1993 | EP0546487A2 Overvoltage protection circuit for interface circuits |
| 06/16/1993 | EP0546486A2 Memory device for use in power control circuits |
| 06/16/1993 | CN2136532Y Protective socket |
| 06/16/1993 | CN1073309A High energy dissipation harmonic reactor |
| 06/16/1993 | CN1021270C Switch type power supply with protective arrangement for limiting output voltage |
| 06/15/1993 | CA1319170C Circuit for protecting semiconductor circuit |
| 06/14/1993 | WO1993012567A1 Thyristor controlled series capacitor vernier control system |
| 06/14/1993 | CA2085189A1 Circuit arrangement for protecting interface circuits against overvoltages |
| 06/10/1993 | WO1993011597A1 Brushless motor |
| 06/09/1993 | EP0545042A1 Dual output battery with fault detect |
| 06/09/1993 | EP0545038A1 Surge arrester |
| 06/09/1993 | DE4227993A1 Overvoltage protection circuit connected between mains lead and electrical load - has protective conductor and two phases connected to each other by plasma overvoltage conductors, varistors, diodes and circuit with central earth point |
| 06/08/1993 | US5218612 Simplified combination laser diode protective circuit |
| 06/08/1993 | US5218508 Electrical surge arrester/diverter |
| 06/02/1993 | EP0543826A1 Process and device for driving an electromagnetic consumer. |
| 06/01/1993 | US5216567 Device for the alternating current cut-in limitation |
| 06/01/1993 | US5216352 Solid state current controlled interruption system |
| 05/26/1993 | CN1072537A Automatic tracking and compensating arc distinction device |
| 05/25/1993 | US5214562 Electrostatic discharge protective circuit of shunting transistors |
| 05/19/1993 | EP0541876A1 Overload protection circuit capable of sustaining high inrush current in the load circuit |
| 05/19/1993 | CN2133976Y Consumer protector en-block |
| 05/19/1993 | CN2133975Y Life-prolonging protector for tv set and vtr |
| 05/19/1993 | CN2133956Y General/safety voltage distribution transformer |
| 05/18/1993 | US5212617 Circuit for compensating very fast current fluctuations |
| 05/12/1993 | EP0541097A1 Protection circuit |
| 05/12/1993 | EP0540716A1 Power generation system with transient suppressor |
| 05/11/1993 | US5210677 Solid state station protectors |
| 05/11/1993 | US5210675 Circuit for protection against negative overvoltages across the power supply of an integrated circuit comprising a power device with related control circuit |
| 05/09/1993 | CA2081787A1 Protection circuit |
| 05/05/1993 | CN2132259Y Dry overvoltage absorber |
| 05/04/1993 | US5208723 Solid state electronic protector with pressure release |
| 05/04/1993 | US5208718 Protection circuit |
| 05/04/1993 | US5208542 Timing window arc detection |
| 04/28/1993 | CN2131219Y Household lightning arresting socket |
| 04/27/1993 | US5206779 Noise filter with surge absorber and surge absorber attached to noise filter |
| 04/27/1993 | US5206596 Arc detector transducer using an e and b field sensor |
| 04/21/1993 | EP0537843A1 A two terminal semiconductor device |
| 04/20/1993 | US5204800 Electrical distribution panel |
| 04/15/1993 | WO1993007667A1 Device for overload and short-circuit protection in electric plants |
| 04/14/1993 | CN2129995Y Automatic current limiter for high voltage electric net earthing capacity |
| 04/13/1993 | US5202584 High energy dissipation harmonic filter reactor |
| 04/13/1993 | US5202583 Thyristor controlled series capacitor vernier control system |
| 04/06/1993 | US5200875 Protection structure for a surge absorber |
| 04/02/1993 | CA2065899A1 Protector system for low voltage power feed |
| 03/31/1993 | EP0534250A2 Method and device to protect an AC circuit |
| 03/31/1993 | EP0533822A1 Low impedance power conditioner apparatus |
| 03/31/1993 | CN1070517A Electrical power supply system |
| 03/30/1993 | US5198791 Surge absorber |
| 03/24/1993 | EP0533439A2 Constant-voltage diode, power converter using the same and process of producing constant-voltage diode |
| 03/24/1993 | EP0533336A1 Electrostatic discharge detection and clamp control circuit |
| 03/23/1993 | US5196981 Energy dissipation circuit |
| 03/23/1993 | US5196980 Low impedance, high voltage protection circuit |
| 03/18/1993 | DE4229303A1 Rectifier with independent magnetic amplifiers - has control circuits with series connected phase control group coils |
| 03/17/1993 | EP0532045A2 Electrical power supply system |
| 03/17/1993 | EP0466738B1 Device for a.c. cut-in limitation |
| 03/17/1993 | CN1070066A Circuit arrangement |
| 03/16/1993 | US5195010 Electrostatic discharge voltage protection circuit for a solid state instrument |
| 03/16/1993 | US5195007 Engine-driven power generating system |
| 03/16/1993 | US5194801 Power generation system with transient suppressor |
| 03/11/1993 | DE4129382A1 Opto-coupler protection circuit maintaining galvanic separation - uses damped series oscillation circuit in parallel with opto-coupler |
| 03/09/1993 | US5193042 Automatic energizing damping device |
| 03/09/1993 | CA1314308C Protective circuit for the induction coil of a magnetically inductive flow meter |
| 03/04/1993 | WO1993004517A1 Improved lightning protection for field mounted instruments |
| 03/04/1993 | WO1993004452A1 Hydrostatic interface unit to detect digital communication signals |
| 03/04/1993 | CA2113420A1 Hydrostatic interface unit to detect digital communication signals |
| 03/04/1993 | CA2113419A1 Improved lightning protection for field mounted instruments |
| 03/03/1993 | EP0529949A2 Common mode voltage surge protection circuitry |
| 03/03/1993 | EP0529905A1 High energy dissipation harmonic filter reactor |
| 03/03/1993 | EP0529605A2 Method for current limitation of a series regulator and its application |
| 03/02/1993 | US5191502 Unitary panel for connecting a load to a power source in a manner which controls voltage surges and transients and accommodates the needs of non-linear loads |
| 03/02/1993 | US5191279 Current limiting method and apparatus |
| 03/01/1993 | WO1993005558A1 Circuit arrangement |
| 03/01/1993 | CA2116528A1 Circuit arrangement |
| 02/25/1993 | DE4127392A1 Current and-or voltage limiter monitor - contains parallel current and-or series voltage limiters with individual switching and current and-or voltage sensors |
| 02/24/1993 | EP0513349A4 Method and device for radio-navigational determinations using artificial earth-satellites |
| 02/23/1993 | US5189587 Dual shunt current regulator |
| 02/23/1993 | US5189387 Surface mount device with foldback switching overvoltage protection feature |