| Patents for H02H 11 - Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result (2,416) |
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| 02/04/2014 | US8643224 High voltage safety device for high voltage battery |
| 01/30/2014 | WO2014017487A1 Motor driving circuit |
| 01/29/2014 | EP2689506A1 Domestic appliance with protection circuit |
| 01/29/2014 | CN103545804A Direct-current input end inverted connection protecting circuit, direct-current input end inverted connection protecting method and direct-current input equipment |
| 01/22/2014 | CN103532188A Electric vehicle storage battery charging process monitoring device |
| 01/16/2014 | US20140016239 Threshold voltage and delay time setting circuit, and battery management system including the same |
| 01/15/2014 | CN203398784U Reversal connection protection circuit of battery charging circuit |
| 01/15/2014 | CN203398783U Reverse power transmission protector |
| 01/15/2014 | CN203398769U Battery reverse-connection resistant protective circuit of direct current charging pile controller |
| 01/15/2014 | CN203398743U Safe starting circuit with self-locking function |
| 01/15/2014 | CN103515946A 保护电路 Protection circuit |
| 01/09/2014 | WO2014005399A1 Overvoltage protection circuit and current sampling device |
| 01/08/2014 | CN203387436U Countercurrent prevention device and sunlight power generation system provided with same |
| 01/03/2014 | WO2014001011A1 Method for checking a supply circuit and associated supply circuit for at least one ignition circuit |
| 01/01/2014 | CN103490375A Output short circuit protection device for direct-current power supply |
| 12/31/2013 | US8618699 Information processing terminal and method for preventing an electric shock from the information processing terminal |
| 12/25/2013 | EP2675352A2 Electrical means to limit leakage current in battery operated patient-connected medical devices |
| 12/25/2013 | CN203368025U Lossless direct-current input reverse connection prevention type protection circuit |
| 12/25/2013 | CN203368024U Protective circuit for preventing reversal connection of input polarities |
| 12/25/2013 | CN203368023U Power-off automatic resetting safe energy-saving switch |
| 12/25/2013 | CN103474951A Low drop-out overcurrent protection circuit with controllable output |
| 12/24/2013 | US8614874 Biased MOSFET active bridge with active gate drive |
| 12/18/2013 | CN203352165U Reverse polarity protection device for large current charger |
| 12/18/2013 | CN103457255A Power supply reverse-connection-preventing circuit and lamp |
| 12/11/2013 | CN203339695U Protection circuit of intelligent switch for vehicle |
| 12/11/2013 | CN203339694U Human engineering switching device |
| 12/11/2013 | CN203339676U Reverse-connection and short-circuit protection circuit for batteries |
| 12/11/2013 | CN103441486A Reverse-connection-prevention protective circuit of high current power supply |
| 12/04/2013 | CN203327292U Controller provided with short-circuit protection apparatus |
| 12/04/2013 | CN203326666U Charging circuit capable of preventing reversal connection of charging power supply |
| 12/04/2013 | CN203326601U Freewheeling unit with fault-tolerant function |
| 12/04/2013 | CN203326580U Battery-reversal-connection protection device for electronic cigarette |
| 12/04/2013 | CN203326568U Direct-current brushless motor with reverse power connection preventing protection circuit |
| 12/04/2013 | CN103427396A Active low-dropout backward voltage protection apparatus for hall sensor integrated circuit |
| 11/28/2013 | US20130313917 Electrical means to limit current in battery operated patient-connected medical devices |
| 11/28/2013 | DE102007056516B4 Auswerteanordnung Evaluation arrangement |
| 11/27/2013 | EP2667266A1 Safety detection system with integrated diagnostic functions |
| 11/27/2013 | CN203312778U Chip power supply protection circuit |
| 11/27/2013 | CN203312777U Intrinsic safety cell |
| 11/27/2013 | CN203312761U Power supply protection system of mass flow controller |
| 11/21/2013 | WO2013171904A1 Digital protection control device |
| 11/20/2013 | CN203301126U Leakage protector for preventing low voltage inverse power transmission |
| 11/20/2013 | CN1871786B Facilities equipment communication circuit |
| 11/14/2013 | WO2013167470A1 Device for protecting at least one electrical apparatus against overvoltage generated by a lightning strike |
| 11/13/2013 | CN103390883A Lithium battery charging protection circuit |
| 11/13/2013 | CN103386934A Power supply device and power supply method of vehicle-mounted electronic device |
| 11/13/2013 | CN101860999B Circuit for preventing reverse connection of power supply, LED lamp circuit and LED lamp |
| 11/12/2013 | US8583834 Secure detection of removable medical accessories using data transfer |
| 11/07/2013 | US20130293032 Actuator module, system for locking- unlocking a door of a household appliance and relative operating method |
| 11/06/2013 | CN203278367U Large power battery charging device capable of preventing reverse battery |
| 11/06/2013 | CN203278366U Large power battery charging device capable of preventing current from flowing backwards and reverse battery |
| 11/06/2013 | CN203278228U Charger with alarm function of power supply reversal connection |
| 11/06/2013 | CN203278227U Highly efficient anti-reverse combiner box circuit |
| 11/06/2013 | CN203278224U Charger with surge-resistant function and reversal connection protection function |
| 11/06/2013 | CN203278222U Charger with surge-resistant function and reversal connection alarm function |
| 10/31/2013 | WO2013159580A1 Vehicle emergency rescue device |
| 10/31/2013 | WO2013131702A3 Glow time control device |
| 10/31/2013 | DE102012207221A1 Retrofit lamp, has drive circuit does not activating two-pole relay such that drive circuit decouple LEDs of circuit device from output when voltage at input of circuit device exceeds predetermined threshold value |
| 10/30/2013 | CN203261026U Mbps network surge protection device with POE function |
| 10/30/2013 | CN103378593A Electric supply zero fire wire identification circuit |
| 10/30/2013 | CN103378592A Abnormal-wiring surplus current protection device |
| 10/30/2013 | CN101842713B System level testing for substation automation systems |
| 10/24/2013 | DE10148740B4 Verfahren zur Erdschlussüberwachung eines Stromrichterantriebs A method for ground fault monitoring of a converter drive |
| 10/23/2013 | EP2651590A1 Grounding system for welding application with measurement circuit; method of grounding in a welding application with such measuring |
| 10/23/2013 | CN203251087U Protection circuit of car one-click starting device |
| 10/23/2013 | CN103370003A Electrical means to limit leakage current in battery operated patient-connected medical devices |
| 10/23/2013 | CN103368169A Reverse power transmission protector |
| 10/23/2013 | CN102545357B Fully automatic stop charger |
| 10/23/2013 | CN101826724B Anti-reverse connection circuit of direct current power supply |
| 10/17/2013 | DE202012012759U1 Sicherheitsschaltvorrichtung Safety switching device |
| 10/16/2013 | CN203243038U Power supply protection device for warping machine |
| 10/16/2013 | CN203243024U Multifunctional single-phase socket |
| 10/15/2013 | US8558415 Safety device and power converter |
| 10/09/2013 | EP2648310A1 Reverse battery protection monolithic device |
| 10/09/2013 | CN103348257A Method for driving a transistor and drive circuit |
| 10/09/2013 | CN103346553A Reverse-connection-resisting and relay-coil-short-circuit-resisting control circuit of electronic controller |
| 10/09/2013 | CN103346552A Reverse connection prevention circuit |
| 10/09/2013 | CN103346551A Power supply reversal connection alarming type charger |
| 10/09/2013 | CN102157928B Power output safety protection device for tractor |
| 10/09/2013 | CN102136724B Method and device for protecting reverse connection prevention and slow start of direct-current power supply input |
| 10/09/2013 | CN102055184B Direct current power supply reversed connection preventing circuit with polarity distinguishing and control method thereof |
| 10/03/2013 | WO2013148553A1 Welding systems and method of welding with determination of proper attachment and polarity of a welding electrode |
| 10/03/2013 | WO2013144316A1 Backup power system and grounding device for a backup power system |
| 10/02/2013 | EP2645512A1 Faulty protective earth ground circuit detection system and method |
| 10/02/2013 | CN103337849A Power source reverse connection protection circuit |
| 09/25/2013 | CN203218862U Electric load switch control device having protection function |
| 09/25/2013 | CN103326347A Intelligent switch protection circuit used for automobile |
| 09/25/2013 | CN101977465B Wind-light complementary streetlight system of off-grid type |
| 09/19/2013 | DE102012204333A1 Schutzvorrichtung zum Schutz einer elektrischen Schaltung vor Verpolung, Verfahren, Schaltungsanordnung und Fahrzeugsystem Protection device for protecting an electrical circuit against reverse polarity, method, and vehicle circuitry system |
| 09/18/2013 | EP2639917A2 Dc power supply apparatus |
| 09/18/2013 | CN203205871U Direct current reverse protection circuit |
| 09/18/2013 | CN203204346U Circuit for recognizing working mode of coal mine low-voltage permanent magnet vacuum combined feed switch |
| 09/18/2013 | CN103311900A Electric vehicle charging circuit with battery overheat preventing function |
| 09/18/2013 | CN103311886A Electric leakage protection device for preventing mistaken power outrage |
| 09/18/2013 | CN103303159A Electric automobile controller and dual-driving control method thereof |
| 09/11/2013 | CN203193276U Power line identifier circuit |
| 09/04/2013 | CN203180523U Reverse voltage protection circuit of wireless access point POE power port |
| 09/04/2013 | CN203180522U AC/DC power supply crosstalk precontrol instrument |
| 09/04/2013 | CN203180521U Blower phase sequence protection circuit |
| 09/04/2013 | CN203180520U Reverse conversion circuit of bipolar power supply |