| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 05/02/2001 | CN1065373C Convert circuit arrangement |
| 05/01/2001 | US6226166 Transient overvoltage and lightning protection of power connected equipment |
| 05/01/2001 | US6226163 Device and method relating to protection of an object against over-currents comprising over-current reduction |
| 05/01/2001 | US6226162 Surge suppression network responsive to the rate of change of power disturbances |
| 05/01/2001 | US6225610 Use of PTC devices to protect insulated wires in electrical harnesses |
| 04/29/2001 | CA2324093A1 Load dump protection circuit |
| 04/26/2001 | WO2001029519A1 Intrinsically safe signal conditioner for a coriolis flowmeter |
| 04/26/2001 | WO2000059094A3 Devices and methods for protection of rechargeable elements |
| 04/25/2001 | CN2427916Y Self-protection type lightning arrestor module |
| 04/25/2001 | CN2427915Y Single phase leakage protective device |
| 04/18/2001 | EP0746684B1 Soft-start pump control system |
| 04/18/2001 | CN1291817A Thyristor jumper trigger circuit with negative resistance characteristics |
| 04/17/2001 | US6219214 Switching circuit protection apparatus and method |
| 04/17/2001 | US6218810 Output circuit and battery pack |
| 04/17/2001 | CA2218941C Method and apparatus for limiting current in a direct voltage network of a power transmission system |
| 04/12/2001 | WO2001026200A1 Undervoltage release with an electromagnet and clocked holding current circuit |
| 04/12/2001 | DE19947411A1 System for limiting overcurrent for AC mains, comprises impedance connected parallel to series circuit of vacuum switch and current limiting element |
| 04/12/2001 | DE19947410A1 Tieftemperaturvorrichtung Low-temperature device |
| 04/11/2001 | EP1091478A2 Inverter device and motor driving device provided with rush preventing circuit |
| 04/11/2001 | EP1091366A1 Electrical device and assembly |
| 04/05/2001 | DE19945945A1 Protection circuit for at least one capacitive actuator esp. for combustion engine fuel-injection valve |
| 04/05/2001 | DE19941658A1 Filter for telecommunications technology has low pass filter, overvoltage protection device for input and output, enabling filter to be installed directionally independently |
| 04/04/2001 | EP1089031A2 Cryogenic cooling device |
| 04/03/2001 | US6212048 Combination ground fault circuit interrupter/surge suppressor |
| 04/01/2001 | CA2320732A1 Low-temperature apparatus |
| 03/29/2001 | WO2001022551A1 Device protecting against voltage surges |
| 03/28/2001 | CN2425447Y Power source lightning-protection module |
| 03/27/2001 | CA2241927C Resistor and protector for transmission line |
| 03/22/2001 | WO2001020744A1 System for protecting telecommunications equipment from transient voltages |
| 03/22/2001 | WO2001020743A1 Protector module for protecting electronic equipment from energy surges |
| 03/22/2001 | CA2384079A1 System for protecting telecommunications equipment from transient voltages |
| 03/21/2001 | CN2424559Y Device for fast regulating arc-extinguishing coil |
| 03/20/2001 | US6204751 Current inrush limiting circuit with fast reset |
| 03/15/2001 | WO2001018934A1 Method and apparatus for protecting electronic equipment coupled to a telephone line |
| 03/15/2001 | DE19941490A1 Schutzschaltung für eine Reihenschaltung aus Leistungshalbleiter-Schalter und einem induktiven Verbraucher Protection circuit for a series connection of power semiconductor switches and an inductive load |
| 03/15/2001 | DE19941489A1 Schutzschaltung für eine Reihenschaltung aus Leistungshalbleiter-Endstufe und induktivem Verbraucher Protection circuit for a series connection of power semiconductor output stage and inductive consumer |
| 03/14/2001 | CN1287635A Protection system |
| 03/13/2001 | US6201721 Bus holdup circuit for a distributed power system and method of operation thereof |
| 03/13/2001 | US6201678 High-voltage switch gear protection circuit |
| 03/08/2001 | WO2001017088A1 Protective circuit for a series connection of a power semi-conductor end stage and an inductive consumer |
| 03/08/2001 | WO2001017087A1 Protection circuit for a series connection consisting of a power semiconductor breaker and an inductive user |
| 03/08/2001 | WO2001016975A1 Method for controlling the operation of a switching device |
| 03/08/2001 | DE19952004A1 Verfahren zum Betreiben einer Überspannungsschutzeinrichtung sowie Überspannungsschutzeinrichtung mit mindestens einem Grobschutz- und einem Feinschutzelement Method for operating a surge protector and surge protector with at least one Grobschutz- and a fine protection element |
| 03/08/2001 | DE19939066A1 Superconducting current limiter operating method |
| 03/08/2001 | CA2383768A1 Method for controlling the operation of a switching device |
| 03/07/2001 | EP1081727A1 Method for controlling the operation of a switching device |
| 03/07/2001 | EP1080458A1 Fault condition protective device for aircraft fuel gauging systems |
| 03/01/2001 | WO2001015298A1 Base power feed integral surge and spike protector |
| 03/01/2001 | CA2381986A1 Base power feed integral surge and spike protector |
| 02/28/2001 | CN2421765Y 35 KV line lightning arrestor |
| 02/27/2001 | US6195245 Low capacitance surge protector for high speed data transmission |
| 02/22/2001 | DE19936701A1 Controlled operation of intrinsically safe, self-retting electronic safety device |
| 02/21/2001 | EP1077519A2 Method of operating an overvoltage protection device and overvoltage protection device with at least one coarse and one fine protection element |
| 02/21/2001 | EP1077452A2 Circuit protection device |
| 02/20/2001 | US6191681 Current limiting device with electrically conductive composite and method of manufacturing the electrically conductive composite |
| 02/20/2001 | US6191562 Circuit configuration for degradation of the stored magnetic energy of a field winding of a generator |
| 02/15/2001 | WO2001010692A1 Solenoid quick exhaust circuit for improved anti-lock performance in an electronic braking system |
| 02/15/2001 | DE20020771U1 Pressure proof encapsulated spark gap arrangement for leading off damaging disturbance variables due to overvoltages, has two opposing electrodes |
| 02/15/2001 | CA2379266A1 Solenoid quick exhaust circuit for improved anti-lock performance in an electronic braking system |
| 02/14/2001 | EP1076393A2 Hot-pluggable power component with pre-charging circuit |
| 02/13/2001 | US6188557 Surge suppressor |
| 02/13/2001 | US6188556 Two-terminal transistor PTC circuit protection devices |
| 02/13/2001 | US6188555 Device for limiting alternating electric currents, in particular in the event of a short circuit |
| 02/13/2001 | US6188552 High resistance grounding systems for oil well electrical systems |
| 02/08/2001 | WO2000070631A3 A method for overcurrent protection in a superconducting cable |
| 02/07/2001 | EP1075064A1 Lightning- and overvoltage protection device |
| 02/07/2001 | CN1282965A Protecting element |
| 02/06/2001 | US6184464 Protective containment apparatus for potted electronic circuits |
| 02/06/2001 | CA2218940C A plant for transmitting electric power |
| 02/01/2001 | WO2001008389A1 Resetting surge protection in telephone line interface circuits |
| 02/01/2001 | DE10020981A1 Motor control device with earth-leakage circuit-breaker (ELCB), uses error logic circuit for detecting excessive current condition, for smooth shut-down |
| 01/31/2001 | EP1073175A2 Protective element |
| 01/31/2001 | EP1072077A1 Interference suppression module |
| 01/30/2001 | US6181541 Transistor-PTC circuit protection devices |
| 01/30/2001 | US6181125 Combination apparatus of a distribution transformer and switches |
| 01/30/2001 | CA2189204C Transmission bandwidth extender/category 5 protector |
| 01/24/2001 | EP0853835B1 Voltage pulse controllable electronic devices |
| 01/24/2001 | CN2416648Y Anti-thunder and lightning overvoltage lower-voltage distribution box |
| 01/23/2001 | US6178080 Resettable fast current limiter in telecommunications protection |
| 01/23/2001 | US6178078 Discharge gap device and its mounting structure |
| 01/23/2001 | US6177856 Process for producing a current limiter having a high-temperature superconductor, and current limiter |
| 01/23/2001 | CA2002311C Overvoltage protection circuits |
| 01/18/2001 | DE19933201A1 Emergency shut down protective switch circuit has voltage divider connected to control electrode of transistor |
| 01/18/2001 | DE19931055A1 Schutzvorrichtung zur Vermeidung der Überlastung von Kondensatoren mit hochfrequenten Spannungen Protection apparatus for preventing the overload of capacitors with high frequency voltages |
| 01/17/2001 | EP1069673A1 Line filter |
| 01/16/2001 | US6175480 Thermal trip arrangements |
| 01/11/2001 | WO2001003267A1 Protective device for preventing the overload of capacitors by high-frequency voltages |
| 01/11/2001 | DE19930521A1 Relaisbauteil Relay component |
| 01/10/2001 | EP1067571A2 Relay module |
| 01/10/2001 | EP0941550B1 Electromagnet for an electrovalve |
| 01/09/2001 | US6172864 Protection against overvoltages of an interface of telephone lines |
| 01/04/2001 | WO2001001539A1 Line protector for a communications circuit |
| 01/04/2001 | WO2001001538A1 Protective circuit |
| 01/04/2001 | DE19928856A1 Circuit for overload protection has first and second input and output connections, two FETs for controlling conducting paths depending on the presence of an excessive voltage |
| 01/04/2001 | CA2377456A1 Line protector for a communications circuit |
| 01/03/2001 | CN2413455Y Self-resetting semiconductor discharge tube safety unit |
| 01/03/2001 | CN2413422Y Lightning arrester for telephone set and facsimile printer |
| 01/03/2001 | CN1278962A Circuit and method for limiting current for alternating current consumers |
| 01/02/2001 | CA2146941C Overvoltage protection |
| 12/28/2000 | WO2000079681A1 Load control system having an overload protection circuit |