| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 03/23/2011 | CN101447668B Tandem resonant type fault current limit device |
| 03/23/2011 | CN101211909B ESD protection circuit |
| 03/23/2011 | CN101207119B Chip electrostatic protection circuit with CMOS output drive |
| 03/22/2011 | US7911759 Methods and arrangement for protecting against electrostatic discharge |
| 03/22/2011 | US7911758 Low power solenoid control system and method |
| 03/22/2011 | US7911756 Low-voltage noise preventing circuit using abrupt metal-insulator transition device |
| 03/22/2011 | US7911752 Programming PAD ESD protection circuit |
| 03/22/2011 | US7911750 Resistor triggered electrostatic discharge protection |
| 03/22/2011 | US7911749 Electrostatic discharge protection device for pad and method and structure thereof |
| 03/22/2011 | US7911747 Systems and methods for grounding power line sections to clear faults |
| 03/22/2011 | US7911746 GFCI with self-test and remote annunciation capabilities |
| 03/17/2011 | US20110063765 Mos device with substrate potential elevation for esd protection |
| 03/17/2011 | US20110063764 Apparatuses and methods for a scr-based clamped electrostatic discharge protection device |
| 03/17/2011 | US20110063763 Electrostatic Discharge Protection Circuit, Integrated Circuit And Method Of Protecting Circuitry From An Electrostatic Discharge Voltage |
| 03/17/2011 | US20110063762 Flash memory circuit with esd protection |
| 03/17/2011 | US20110063760 DC/DC Converter Overcurrent Protection |
| 03/17/2011 | US20110062797 Protection system for voltage transformers |
| 03/16/2011 | EP2296245A2 Reduced energy let through mode indication and delay in switching devices |
| 03/16/2011 | EP2115877B1 Frequency translation module protection circuit |
| 03/16/2011 | EP1356590B1 Sub-micron high input voltage tolerant input output (i/o) circuit |
| 03/16/2011 | CN201766752U Open circuit protection circuit of light-emitting diode constant-current driving circuit |
| 03/16/2011 | CN201766751U Open-circuit protection circuit for LED (light-emitting diode) constant-current driving circuit |
| 03/16/2011 | CN201766509U Lightning-protection power supply device |
| 03/16/2011 | CN201766371U Bridge type combination switch |
| 03/16/2011 | CN201766360U Articulated type split-phase over-voltage restraining device of electric railway |
| 03/16/2011 | CN201766359U Anti-explosion overvoltage protector |
| 03/16/2011 | CN201766358U Monopole type combined overvoltage protector |
| 03/16/2011 | CN201766357U Lightning protection device of electric-heating deicing system of aircraft pitot tube |
| 03/16/2011 | CN201766356U Lightening protection device of airplane navigation light and strobe light |
| 03/16/2011 | CN201766355U Lightening protection device of electric-heating deicing system of airplane propeller |
| 03/16/2011 | CN201766354U Power over Ethernet (POE) equipment and interface circuit thereof |
| 03/16/2011 | CN201766353U Surge absorber for toroidal transformer |
| 03/16/2011 | CN201766352U Charging and limiting circuit |
| 03/16/2011 | CN101986500A Flexible adjustment device for 10KV capacitor |
| 03/15/2011 | US7907380 High power integrating power conditioner |
| 03/15/2011 | US7907374 Electrostatic discharge prevention circuits |
| 03/15/2011 | US7907373 Electrostatic discharge circuit |
| 03/15/2011 | US7907372 Systems and methods for reducing leakage current hazards using an active shunt filter |
| 03/10/2011 | WO2011028300A1 Method and apparatus for protecting power systems from extraordinary electromagnetic pulses |
| 03/10/2011 | WO2011026381A1 Soft-start circuit for power supply |
| 03/10/2011 | US20110058397 Systems and methods for polyphase alternating current transformer inrush current limiting |
| 03/10/2011 | US20110058297 Semiconductor device and circuit protection method |
| 03/10/2011 | US20110058294 Protection Circuit |
| 03/10/2011 | US20110058293 electrostatic discharge protection circuit, equipment and method |
| 03/10/2011 | US20110058292 Integrated RF ESD Protection for High Frequency Circuits |
| 03/10/2011 | US20110058291 Geometric configuration or alignment of protective material in a gap structure for electrical devices |
| 03/10/2011 | US20110058290 Shared electrostatic discharge protection for integrated circuit output drivers |
| 03/10/2011 | US20110058287 Method of forming a detection circuit and structure therefor |
| 03/10/2011 | US20110058286 Electrical apparatus with higher durability against surges |
| 03/10/2011 | US20110058285 Over-current protection device for a switched-mode power supply |
| 03/10/2011 | US20110058284 Thermoelectric device utilized as voltage snubber |
| 03/10/2011 | US20110057808 Overcurrent protection circuit |
| 03/10/2011 | US20110057441 Overload control of an electric power generation system |
| 03/10/2011 | CA2772219A1 Method and apparatus for protecting power systems from extraordinary electromagnetic pulses |
| 03/09/2011 | EP2293424A2 AC power switching module |
| 03/09/2011 | EP2293403A1 Protection circuit |
| 03/09/2011 | EP2293402A1 Protective system for voltage transformers |
| 03/09/2011 | EP2293401A1 Protective system for voltage transformers |
| 03/09/2011 | CN201758480U Electronic ballast with overvoltage clamping protection function |
| 03/09/2011 | CN201758256U AC distribution box |
| 03/09/2011 | CN101984532A Novel thyristor dv/dt protection method |
| 03/08/2011 | US7903384 Ground detection circuit for video signal driver to prevent large clamp transistor current |
| 03/08/2011 | US7903382 MEMS micro-switch array based on current limiting enabled circuit interrupting apparatus |
| 03/08/2011 | US7903379 Cascode I/O driver with improved ESD operation |
| 03/03/2011 | WO2011024669A1 Surge protection circuit in three-phase four-wire system circuit |
| 03/03/2011 | WO2011024180A1 Fault current limiters (fcl) with the cores saturated by non-superconducting coils |
| 03/03/2011 | US20110051304 Defectivity-immune technique of implementing mim-based decoupling capacitors |
| 03/03/2011 | US20110051303 Method for providing over-voltage protection and circuit therefor |
| 03/03/2011 | US20110051301 Method for Designing Integrated Electronic Circuits Having Electrostatic Discharge Protection and Circuits Obtained Thereof |
| 03/03/2011 | US20110051300 Method for Providing Wideband Electrostatic Discharge Protection and Circuits Obtained Therewith |
| 03/03/2011 | US20110051299 Semiconductor integrated circuit |
| 03/03/2011 | US20110051298 Esd improvement with dynamic substrate resistance |
| 03/03/2011 | US20110051296 Load drive device |
| 03/03/2011 | CA2772559A1 Fault current limiters (fcl) with the cores saturated by non-superconducting coils |
| 03/03/2011 | CA2772558A1 Improved fault current limiter with saturated core |
| 03/02/2011 | EP2290777A1 Mains surge protection |
| 03/02/2011 | EP2290227A2 Line side crowbar for energy converter |
| 03/02/2011 | EP2289156A1 A plant for transmitting electric power |
| 03/02/2011 | EP2289139A2 Device and method for coupling two parts in a dc network of an aircraft |
| 03/02/2011 | CN201754533U Power circuit of monitor for lightning arrester |
| 03/02/2011 | CN201754517U Secondary high-current protecting device for current transformer |
| 03/02/2011 | CN201754507U Anti-interference high-voltage-resistant communication protective circuit |
| 03/02/2011 | CN201754506U Passive port lightning protection device |
| 03/02/2011 | CN201754505U Overvoltage protection circuit of integrated circuit |
| 03/02/2011 | CN201754504U Installing and fixing device for surge protector |
| 03/02/2011 | CN201754503U Transient voltage suppressor |
| 03/02/2011 | CN201754502U Overcurrent protection device capable of adjusting overcurrent value by software |
| 03/02/2011 | CN101982916A Fault current limiter |
| 03/02/2011 | CN101582580B Input/output over-voltage protection circuit |
| 03/01/2011 | US7899975 Method for storing individual data items of a low-voltage switch |
| 03/01/2011 | US7898784 Protection circuit with variable current level limits |
| 03/01/2011 | US7898092 Stacked-die package for battery power management |
| 02/24/2011 | WO2011022233A1 A guarded electrical overstress protection circuit |
| 02/24/2011 | WO2011020301A1 Method and device for limiting secondary arc current of extra-high voltage /ultra-high voltage double circuit lines on the same tower |
| 02/24/2011 | WO2010151583A3 Technique for limiting transmission of fault current |
| 02/24/2011 | US20110045987 Terminal apparatus with built-in fault current limiter for superconducting cable system |
| 02/24/2011 | US20110044080 Converter |
| 02/24/2011 | US20110043959 Method for limiting an un-mirrored current and circuit therefor |
| 02/24/2011 | US20110043955 Electrostatic discharge protection circuit, control method therefor, and switching regulator using same |
| 02/24/2011 | US20110043954 Electrostatic discharge protection structure and electronic device using the same |