| Patents for H02H 5 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (5,568) |
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| 07/14/1999 | CN2329108Y Electricity cut-off protector when water free |
| 07/13/1999 | US5923520 Demagnetizing circuit and current limiting device |
| 07/06/1999 | US5918982 Temperature detecting using a forward voltage drop across a diode |
| 07/01/1999 | WO1999033155A1 Method and system for series fault protection |
| 06/30/1999 | EP0926796A2 Protection apparatus for a storage battery |
| 06/26/1999 | CA2256906A1 Protection apparatus for a storage battery |
| 06/23/1999 | CN2325908Y Multi-function automatic protector for protecting electric appliance from being fired |
| 06/17/1999 | WO1999030400A1 Fault sensing wire and alarm apparatus |
| 06/17/1999 | CA2313092A1 Fault sensing wire and alarm apparatus |
| 06/16/1999 | EP0923180A2 Electric installation switch |
| 06/02/1999 | EP0920242A1 Circuit arrangement to protect an electrical component against an electrical potential |
| 06/02/1999 | DE19819472A1 Monitoring device for oil-filled electrical transformer |
| 05/26/1999 | CN1043501C Personal care apparatus comprising capacitive on/off switch |
| 05/18/1999 | US5905645 Thermally aided power sharing of power supplies with or without an external current share line |
| 05/12/1999 | EP0915550A1 Electric motor with means for preventing thermal overload |
| 05/12/1999 | CN2318639Y Earth monitor for electrostatic earthed system |
| 05/12/1999 | CN1216412A Electric motor with means for preventing thermal overload |
| 05/06/1999 | WO1999022249A1 Method and measuring unit for verifying the presence of a neutral conductor connection between a four wire system and a measuring unit |
| 05/04/1999 | US5900538 Monitoring of decomposition gases in transformers by referencing volume or pressure to temperature |
| 04/28/1999 | CN1215508A Device including a thermally protected switching transistor |
| 04/27/1999 | US5898557 Switching apparatus |
| 04/27/1999 | US5898556 Protection system for a three-phase distribution transformer insulated in a liquid dielectric |
| 04/27/1999 | US5898377 Smoke detecting apparatus and method |
| 04/22/1999 | WO1999019895A1 Circuit arrangement and process for operating a safety fuse |
| 04/22/1999 | DE3844958C2 Power semiconductor element on substrate section |
| 04/21/1999 | EP0910227A2 Flexible heating panel and control unit |
| 04/20/1999 | US5895989 Power supply unit and connector connection failure detection method |
| 04/15/1999 | DE19744765A1 Fuse element circuit for automobile electrics |
| 04/13/1999 | US5894394 Intelligent power switch and switching apparatus |
| 04/13/1999 | US5894393 Aircraft ground power loss of neutral and over-voltage detector |
| 04/13/1999 | US5894174 Protection circuit and method for an electromagnetic interference suppression system |
| 04/07/1999 | EP0906484A1 Electric switch with static current monitoring |
| 04/01/1999 | WO1998056095A3 Overcurrent protection circuit |
| 03/25/1999 | DE19741780A1 Conductor break detection method for inductive sensor user to detect rotating shaft speed |
| 02/25/1999 | WO1999009574A1 Fuse element for electrical systems and a method and circuit for operating a fuse element |
| 02/25/1999 | DE19832966A1 Control circuit for electric window drive |
| 02/24/1999 | EP0898428A2 Current limiting device |
| 02/24/1999 | EP0898350A1 Circuit for detecting an earthed metallic element |
| 02/18/1999 | DE19735546A1 Fuse element for automobile current circuit |
| 02/17/1999 | EP0896757A1 Device including a thermally protected switching transistor |
| 02/17/1999 | CN2308179Y Fire-protection A. C. low-voltage distribution cabinet |
| 02/09/1999 | US5870267 Semiconductor integrated circuit device with overheating protector and method of protecting semiconductor integrated circuit against overheating |
| 02/09/1999 | CA2199189C System for reducing disaster damage |
| 02/03/1999 | CN2306602Y Temp.-controlled power-off protection alarm |
| 02/03/1999 | CN1207211A Socket |
| 01/28/1999 | WO1999004474A1 Electric installation protecting means |
| 01/28/1999 | CA2295668A1 Electric installation protecting means |
| 01/19/1999 | US5862030 To provide overtemperature/mechanical damage sensing of electrical conductor |
| 01/19/1999 | US5862029 Resettable immersion detecting circuit interrupter (IDCI) |
| 01/12/1999 | US5859590 Fault sensor device |
| 01/07/1999 | WO1999000882A1 Method and device for managing an electronic component with complementary mos transistors functioning under radiation |
| 01/07/1999 | EP0818077A4 Hybrid alternator |
| 01/07/1999 | DE19826410A1 Insulation and fault current monitoring method for electrical AC network |
| 12/23/1998 | WO1998058432A1 Method and device for monitoring insulation and fault current in an electrical alternating current network |
| 12/16/1998 | EP0884818A1 Method for driving at least one IGBT transistor able to permit its functioning under irradiation |
| 12/11/1998 | CA2240119A1 Over-temperature sensor cable and electrical cord with over-temperature protection |
| 12/10/1998 | WO1998056095A2 Overcurrent protection circuit |
| 12/09/1998 | EP0883222A1 Self-protected trip device for immersed electrical transformer |
| 12/09/1998 | CN1201246A Self-protection tripping mechanism for subway electric transformer |
| 12/01/1998 | US5844493 Electromechanical switching device and arrangement with several switching devices |
| 11/25/1998 | EP0880086A1 A control circuit and method for a temperature sensitive device |
| 11/25/1998 | EP0692154B1 Clocked current supply |
| 11/24/1998 | US5841617 Electrical safety device with conductive polymer sensor |
| 11/17/1998 | US5838187 Integrated circuit thermal shutdown system utilizing a thermal sensor |
| 11/10/1998 | US5835786 Computer apparatus with monitoring circuit for displaying fan working condition |
| 11/10/1998 | US5835553 Semiconductor integrated circuit having a digital temperature sensor circuit |
| 11/10/1998 | US5835320 Digital circuit interrupter thermal protection circuit |
| 11/04/1998 | EP0875082A1 Socket |
| 10/29/1998 | DE19716963A1 Verfahren zur Ermittlung des Ortes einer Teilentladung Method for determining the location of a partial discharge |
| 10/28/1998 | EP0874436A2 Hand machine-tool with protection device |
| 10/28/1998 | CN2296085Y Electric heating wire with overheating protector |
| 10/28/1998 | CN1197277A Realizing method and device for protecting and warning when resistance of security device losing efficacy |
| 10/27/1998 | US5828188 Over temperature protection circuit having plural thermal components |
| 10/22/1998 | WO1998047213A1 Method for determining the location of a partial discharge |
| 10/15/1998 | WO1998045920A1 Electrical safety device with conductive polymer sensor |
| 10/15/1998 | CA2286359A1 Electrical safety device with conductive polymer sensor |
| 10/13/1998 | CA2115357C Overtemperature sensing and signaling circuit |
| 10/13/1998 | CA2057650C Fail safe obstruction detector for door openers |
| 10/07/1998 | EP0869598A1 Method for making effective use of the thermal loading limit of high-voltage overhead power lines and cables |
| 10/06/1998 | US5818122 Power supply circuit breaking apparatus for motor vehicle and power supply circuit breaking system for motor vehicle |
| 09/29/1998 | US5814954 Method of and an apparatus for protecting a regenerative resistor in an inverter for driving a servomotor |
| 09/16/1998 | EP0864066A1 Lamp with safety features |
| 09/11/1998 | WO1998039753A1 System for reducing disaster damage |
| 09/08/1998 | US5805396 Protection circuit of drive system for motor |
| 09/01/1998 | US5801914 Electrical safety circuit with a breakable conductive element |
| 09/01/1998 | US5801912 Circuit interrupting device |
| 09/01/1998 | US5801503 Temperature-compensating overcurrent detection circuit for DC motor |
| 08/27/1998 | DE19707139A1 Opto-electronic gas production detection and measurement arrangement |
| 08/27/1998 | DE19704861A1 Temp. measurement arrangement, e.g. for contactless switch |
| 08/26/1998 | EP0860926A2 Thermally aided power sharing of power supplies with or without an external current share line |
| 08/26/1998 | CN2289245Y Device for avoiding or indicating fraudulent use for watt-hour meter |
| 08/25/1998 | US5798667 Method and apparatus for regulation of power dissipation |
| 08/20/1998 | DE19745040A1 Temp. measurement arrangement, e.g. for contactless switch |
| 08/13/1998 | WO1998035441A1 Controllable switching device, system and method for operating a switching device, in particular for semiconductor power switches |
| 08/13/1998 | WO1998035440A1 Arrangement and method for measuring a temperature |
| 08/13/1998 | WO1998035419A1 Circuit breaker for disconnecting an electrical apparatus from electrical network |
| 08/05/1998 | EP0857012A1 Apparatus for monitoring ventilation of integrated circuits in electronic apparatus |
| 08/05/1998 | CN1189711A Sensitively cut-off protector |
| 07/28/1998 | US5786975 Electronic switching circuits |
| 07/22/1998 | EP0759220B1 Detector for monitoring the integrity of a ground connection to an electrical appliance |