| Patents for H02M 9 - Conversion of dc or ac input power into surge output power (1,495) |
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| 07/21/2010 | CN101783599A Voltage doubling rectifying circuit |
| 07/14/2010 | CN101777850A Combined pulse formation network and method |
| 07/07/2010 | CN101772252A Plasma excitation power supply |
| 07/07/2010 | CN101318240B Numerical control pulse power source for wire-electrode cutting processing |
| 06/23/2010 | CN101753055A Harmonic ratio calibrator |
| 06/16/2010 | CN101741351A Pulse generating circuit |
| 06/09/2010 | CN101728969A Multi-waveform impulse current generator |
| 05/26/2010 | CN101714832A High-speed pulse isolation and transmission circuit |
| 05/19/2010 | CN101079584B Modular device for simulating high energy thunder amplification current |
| 05/12/2010 | CN1929282B Inductance energy-releasing swashing current-generator |
| 05/12/2010 | CN101707835A LED drive method, LED drive circuit and LED light source device |
| 04/20/2010 | CA2186899C Pulse power generating circuit with energy recovery |
| 04/08/2010 | DE202010000820U1 Abschneidefunkenstrecke Cutoff spark gap |
| 04/07/2010 | CN101318241B Impulsing power source for spark pinhole processing |
| 03/11/2010 | WO2010026790A1 Power supply device for electric discharge machine |
| 03/10/2010 | CN100593898C Primary oil electric dehydration energy-saving high power pulse power supply and its generation method |
| 03/04/2010 | WO2010023709A1 Welding machine power supply apparatus and welding machine |
| 03/03/2010 | CN101662232A Alternating-current series resonance pulse high-voltage power supply |
| 02/24/2010 | CN201411161Y Storage and transportation apparatus of outdoor mobile impulse voltage generator |
| 01/28/2010 | DE102008053679B3 Stromversorgung und Verfahren für eine gepulst betriebene induktive Last Power supply and method for a pulsed-powered inductive load |
| 01/28/2010 | DE102004017495B4 Zündanlage für eine Brennkraftmaschine Ignition system for an internal combustion engine |
| 01/06/2010 | CN201378805Y Harmonic calibrator |
| 01/06/2010 | CN100577335C Numerical control double-power mode multifunctional impulsing power source for electrospark wire-electrode cutting processing |
| 12/16/2009 | CN101604926A High-voltage high-energy-storage solid pulse generator |
| 12/02/2009 | CN201355800Y Charging switch of impulse voltage generator |
| 11/19/2009 | DE102007056955B4 Schaltung zur Regelung der Stromversorgung eines Verbrauchers und Verfahren zum Betrieb einer Schaltung Circuit for controlling the power to a load and method for operating a circuit |
| 10/29/2009 | US20090266805 Method And Apparatus For Receiving A Universal Input Voltage In A Welding Power Source |
| 10/29/2009 | DE102007056956B4 Schaltung zur Regelung der Stromversorgung eines Verbrauchers und Verfahren zum Betrieb einer Schaltung Circuit for controlling the power to a load and method for operating a circuit |
| 10/29/2009 | DE102005052115B4 Spannungsversorgung für den Röntgengenerator einer mobilen Röntgendiagnostikeinrichtung Power supply for the X-ray generator of a mobile x-ray diagnostics installation |
| 10/14/2009 | CN201328086Y Controllable electric discharging modification pulse power source |
| 10/07/2009 | CN101550353A Combined type crude oil electric dewatering high-voltage power source and controlling device thereof |
| 09/29/2009 | CA2488314C Power source for high current welding |
| 09/16/2009 | CN101534071A All solid state high voltage nanosecond pulse power supply |
| 09/02/2009 | CN101521475A High-voltage pulse power source fire-striking counting protection device |
| 08/19/2009 | EP2090379A1 Method for converting electric signals into acoustic oscillations and a multi-functional electric gas-kinetic transducer |
| 08/19/2009 | CN100528445C Two-stage welder and method of operating same |
| 08/11/2009 | US7573002 Electric arc welder and method for controlling the welding process of the welder |
| 08/11/2009 | US7573000 Power source for plasma device |
| 08/05/2009 | CN100522832C Control circuit of magnetized liquid device |
| 07/22/2009 | EP2080576A1 Control method for ARC welding apparatus and ARC welding apparatus |
| 07/15/2009 | CN101483398A Power supply device and power supply device for electric arc machining |
| 07/08/2009 | CN101478260A Charging switch for impulse voltage generator |
| 07/08/2009 | CN101478259A Square wave CROWBAR pulse current system |
| 07/08/2009 | CN100509237C Electric arc welder and welding method thereof |
| 07/01/2009 | EP1490194A4 Two stage welder and method of operating same |
| 06/17/2009 | CN201260135Y Cascade-type high voltage impulse current generator |
| 06/16/2009 | US7548402 High voltage pulse generating circuit |
| 06/04/2009 | DE102007056956A1 Schaltung zur Regelung der Stromversorgung eines Verbrauchers und Verfahren zum Betrieb einer Schaltung Circuit for controlling the power to a load and method for operating a circuit |
| 06/04/2009 | DE102007056955A1 Schaltung zur Regelung der Stromversorgung eines Verbrauchers und Verfahren zum Betrieb einer Schaltung Circuit for controlling the power to a load and method for operating a circuit |
| 06/03/2009 | CN101447746A Controllable electric discharging modification pulse power source |
| 05/13/2009 | CN201238269Y Impulse voltage generator |
| 05/13/2009 | CN101430356A Directly tandem high-voltage impulse power supply for insulation detection |
| 05/06/2009 | CN100486097C High-frequency high-voltage pulse power supply and high-frequency high-voltage pulse generation method |
| 04/30/2009 | US20090107443 Voltage Sag Prevention Apparatus and Method |
| 04/16/2009 | DE202009001837U1 Mobiler Norm-Blitzstoßspannungsgenerator Mobile standard lightning impulse voltage generator |
| 04/09/2009 | DE102007046902A1 Impulse generator for shock-wave therapy device, has capacitors charged by charging units comprising switch such that charging voltages developed at capacitors are partially compensated based on polarity of capacitors by series connection |
| 04/08/2009 | CN100477477C High-frequency mode power supply device for pulse laser |
| 03/12/2009 | DE102008044468A1 Schneller Hochspannungsimpulsgenerator mit hoher Impulsfolgefrequenz Fast high-voltage pulse generator with high pulse repetition frequency |
| 03/04/2009 | CN201204555Y Pulsed power supply unit for high-power electric plastic working |
| 03/04/2009 | CN100466427C Power supply device |
| 03/04/2009 | CN100464926C A plasma arc electric power apparatus |
| 03/04/2009 | CN100464922C The chopper output used for arc welder power sources |
| 02/25/2009 | CN101374625A Welding output control method and arc welding device |
| 02/18/2009 | CN101369785A Flue gas desulfurization denitriding impulse electric corona plasma direct-current power supply for high power generating plant |
| 02/10/2009 | US7489052 High voltage pulse generating circuit |
| 01/22/2009 | US20090023131 Circuit arrangement for injecting nucleic acids and other biologically active molecules into the nucleus of higher eucaryontic cells using electrical current |
| 01/15/2009 | WO2009008449A1 High voltage generator circuit, ion generator and electric apparatus |
| 01/14/2009 | CN101345492A Primary oil electric dehydration energy-saving high power pulse power supply and its generation method |
| 01/14/2009 | CN101343555A Chaotic pulse electric field harmonic oscillation dewatering process and electric dehydration chaotic impulse power source for crude oil |
| 01/14/2009 | CN100450690C Arc welding device control method and arc welding device |
| 01/06/2009 | US7474879 Power supply |
| 01/02/2009 | DE102004060735B4 Schaltkreis zur Ionenstrommessung in der Verbrennungskammer eines Verbrennungsmotors Circuit for measuring ion current in the combustion chamber of an internal combustion engine |
| 12/10/2008 | CN101318242A Numerical control double-power mode multifunctional impulsing power source for electrospark wire-electrode cutting processing |
| 12/10/2008 | CN101318241A Impulsing power source for spark pinhole processing |
| 12/10/2008 | CN101318240A Numerical control sopulse power source for wire-electrode cutting processing |
| 10/29/2008 | CN201142782Y IGBT inversion type plasma electric power of high power digitalized high-frequency soft switch |
| 10/08/2008 | CN201130976Y Self-defence mobile phone |
| 10/08/2008 | CN201130913Y Long wave front operation impulse voltage generator |
| 09/11/2008 | DE102007010899A1 Hochspannungspulsgenerator und Hochdruckentladungslampe mit derartigem Generator High voltage pulse generator, high intensity discharge lamp with such generator |
| 09/11/2008 | DE102007010898A1 Hochspannungspulsgenerator und Hochdruckentladungslampe mit derartigem Generator High voltage pulse generator, high intensity discharge lamp with such generator |
| 09/11/2008 | DE102006060417B4 System zur Erzeugung eines Spannungspulses mit einem Impuls-Generator, Verfahren zur Steuerung und deren Verwendung A system for generating a voltage pulse with a pulse generator, method of controlling and their use |
| 09/10/2008 | CN201113826Y Outdoor type impulse generator |
| 09/10/2008 | CN101261299A Electro-static discharging generator |
| 09/04/2008 | WO2008105116A1 Welding output control method and arc welding device |
| 08/27/2008 | CN201107384Y High voltage dc transmission stream exchanging valve non-periodic triggering tester based on charging in parallel |
| 08/27/2008 | CN101251570A Long wave front operation impulse voltage generator |
| 08/19/2008 | US7414333 High-voltage pulse generating circuit |
| 08/19/2008 | CA2486083C Electric arc welder system with waveform profile control for cored electrodes |
| 08/13/2008 | EP1955433A1 Plasma generating device with overvoltage suppression on the transistor terminals of a high-voltage pseudoclass e generator |
| 08/13/2008 | CN201100899Y Modular analysis high-energy thunder high current device |
| 07/31/2008 | CA2675975A1 Capacitive discharge welding power supply and capacitive discharge welder using the same |
| 07/30/2008 | EP1157454A4 Power supply with flux-controlled transformer |
| 07/17/2008 | DE102006060417A1 System zur Erzeugung eines Spannungspulses mit einem Impuls-Generator, Verfahren zur Steuerung und deren Verwendung A system for generating a voltage pulse with a pulse generator, method of controlling and their use |
| 07/02/2008 | CN100399692C High-voltage rectangular pulse power supply |
| 07/02/2008 | CN100398244C Power source for high current welding, and buried arc welding method |
| 06/26/2008 | US20080150664 Power source for plasma device |
| 06/17/2008 | CA2325691C A high-voltage pulse generator |
| 06/10/2008 | CA2486081C Electric arc pulse welder with short circuit control |
| 06/05/2008 | US20080129219 Power Supply |
| 05/15/2008 | WO2008057004A1 Method for converting electric signals into acoustic oscillations and a multi-functional electric gas-kinetic transducer |