| Patents for H02M 9 - Conversion of dc or ac input power into surge output power (1,495) |
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| 05/27/2003 | US6570958 X-ray system for forming X-ray images |
| 05/20/2003 | US6566823 Discharge pulse generator |
| 05/01/2003 | US20030080719 Capacitor charging method and charging apparatus |
| 04/24/2003 | US20030075927 Engine driven inverter welding power supply |
| 04/15/2003 | US6549441 Voltage switch-over device |
| 03/26/2003 | EP1295392A2 Very high repetition rate power supply system and method |
| 03/19/2003 | CN1404428A Method for regulating and/or controlling a welding current source with a resonance circuit |
| 03/13/2003 | WO2002103904A3 High voltage switching apparatus |
| 03/11/2003 | US6532161 Power supply with flux-controlled transformer |
| 03/06/2003 | US20030042797 Circuit for the generation of electric power induced to bear opposite polarity in the pulsating power supply |
| 02/05/2003 | CN1395758A Discharge pulse generator |
| 01/30/2003 | WO2003009477A2 Adjustable high current and high voltage pulse generator |
| 01/30/2003 | WO2003008141A1 Generator for unitary power factor arc welders |
| 01/30/2003 | US20030021380 X-ray system for forming X-ray images |
| 01/30/2003 | CA2420957A1 Generator for unitary power factor arc welders |
| 01/29/2003 | EP1280389A1 X-ray system for generating radiographs |
| 01/29/2003 | CN1099936C Plasma-arc application apparatus |
| 01/14/2003 | US6507004 DC power supply apparatus for arc-utilizing apparatuses |
| 01/09/2003 | US20030006721 Discharge pulse generator |
| 12/27/2002 | WO2002104076A1 Galvanically isolated delivery of power to high voltage circuits parts |
| 12/27/2002 | WO2002103904A2 High voltage switching apparatus |
| 12/27/2002 | WO2001097377A3 Very high repetition rate power supply system and method |
| 12/24/2002 | US6498321 System and method for controlling an electric arc welder |
| 12/24/2002 | US6498320 Power supply apparatus for arc-utilizing apparatus |
| 12/19/2002 | US20020190045 Tandem electrode welder and method of welding with two electrodes |
| 12/11/2002 | CN1383952A 焊接系统 Welding System |
| 12/10/2002 | US6492878 High voltage pulse generation device for magnetron |
| 12/05/2002 | US20020180276 Circuit for generating high voltage pulse |
| 12/03/2002 | US6489592 Tandem electrode welder and method of welding with two electrodes |
| 11/28/2002 | US20020176460 Saturable reactor and power source apparatus for pulse laser utilising same |
| 11/26/2002 | US6486456 Fusing processing method |
| 11/21/2002 | WO2002075910A3 Vacuum arc method, system, and apparatus |
| 11/20/2002 | CN1380157A System and method for controlling electric-arc welding machine |
| 11/12/2002 | US6479909 Closure electrifier with a low mass transformer |
| 11/06/2002 | EP1203427A4 High pulse rate pulse power system with liquid cooling |
| 10/31/2002 | WO2002086129A1 Circuit arrangement for injecting nucleic acids and other biologically active molecules into the nucleus of higher eucaryontic cells using electrical current |
| 10/31/2002 | US20020161473 Welding system |
| 10/31/2002 | US20020158616 Power supply with flux-controlled transformer |
| 10/31/2002 | CA2445257A1 Circuit arrangement for injecting nucleic acids and other biologically active molecules into the nucleus of higher eucaryontic cells using electrical current |
| 10/30/2002 | EP1252963A2 Welding system |
| 10/30/2002 | EP1251991A1 Method for regulating and/or controlling a welding current source with a resonance circuit |
| 10/24/2002 | DE10119901A1 Apparatus for electrophoretic transfer of biologically active molecules into cells comprises capacitors connected to high voltage sources, which discharge via power transistor into cuvette holding sample |
| 10/22/2002 | US6469401 Engine driven welding power supply with inverter auxiliary power |
| 10/16/2002 | EP1249297A2 System and method for controlling an electric arc welder |
| 10/09/2002 | CN1373558A High-voltage pulse power supply of pulse corona plasma for desulfurizing flue gas |
| 10/01/2002 | US6459242 Methods and systems for indicating a charge state of a charge storage device |
| 10/01/2002 | US6459065 Resistance welding power supply apparatus |
| 09/26/2002 | WO2002075910A2 Vacuum arc method, system, and apparatus |
| 09/24/2002 | US6455802 Resistance welding power supply apparatus |
| 09/19/2002 | US20020131555 Apparatus for producing vacuum arc discharges |
| 09/18/2002 | EP1040539A4 High pulse rate pulse power system |
| 09/18/2002 | CN1091340C Waterproof power source device |
| 09/06/2002 | WO2001011733A9 High pulse rate pulse power system with fast rise time and low leakage current |
| 08/29/2002 | WO2002067410A1 Discharge pulse generator |
| 08/14/2002 | EP1231009A2 Welding method in the overhead and vertical positions |
| 08/01/2002 | DE10105201A1 Elektrische Schaltungsanordnung Electrical circuitry |
| 07/24/2002 | EP1224717A1 High pulse rate pulse power system with fast rise time and low leakage current |
| 07/10/2002 | CN2500026Y High voltage pulse power source device for pulse corona plasma smoke desulphurization |
| 07/03/2002 | CN1356763A DC power supply with electric arc unit |
| 06/25/2002 | US6411050 Device for driving vibration actuator |
| 06/13/2002 | US20020070205 Power supply for electric arc welding |
| 06/12/2002 | CN1353027A Power source apparatus of device using electric arc |
| 05/30/2002 | US20020063116 DC power supply apparatus for arc-utilizing apparatuses |
| 05/16/2002 | US20020056708 Power supply apparatus for arc-utilizing apparatus |
| 05/08/2002 | EP1203427A1 High pulse rate pulse power system with liquid cooling |
| 05/07/2002 | US6384375 Arc welding power supply, peripheral device for arc welding, and arc welding apparatus |
| 04/25/2002 | US20020047000 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source |
| 04/18/2002 | US20020043878 Compact pulse-current supply |
| 04/02/2002 | US6365874 Power supply for electric arc welding |
| 03/28/2002 | WO2001097377A8 Very high repetition rate power supply system and method |
| 03/19/2002 | US6359424 Switching circuit for generating pulsed power |
| 03/12/2002 | US6355992 High voltage pulse generator |
| 02/27/2002 | EP1181847A1 High-voltage transformer and electrodynamic particle accelerator |
| 02/19/2002 | US6348671 Welder with engine power and utility power input |
| 02/19/2002 | CA2266272C Method of and apparatus for initiating a welding arc |
| 02/14/2002 | US20020017970 Superconducting switching element and method |
| 02/06/2002 | CN1334167A Supply unit for resistance welding |
| 02/05/2002 | US6344627 Pulse welding equipment and its control method |
| 01/31/2002 | US20020011732 Engine driven welding power supply with inverter auxiliary power |
| 01/29/2002 | US6342791 Diode defect detecting device |
| 01/24/2002 | DE10032639A1 Kompakte Pulsstromversorgung Compact pulsed power supply |
| 01/23/2002 | EP1175009A2 Compact current pulse supply |
| 01/23/2002 | EP0894349B1 Method and apparatus for eliminating reflected energy due to stage mismatch in nonlinear magnetic compression module |
| 01/16/2002 | CN1330995A Power source appts. of resistance welding |
| 01/10/2002 | US20020003408 Pulsed high voltage radiography system power supply having a one-to-one correspondence between low voltage input pulses and high voltage output pulses. |
| 01/02/2002 | EP1166944A2 Resistance welding power supply apparatus |
| 01/02/2002 | EP1166943A2 Resistance welding power supply apparatus |
| 12/27/2001 | US20010054603 Resistance welding power supply apparatus |
| 12/27/2001 | US20010054602 Resistance welding power supply apparatus |
| 12/20/2001 | WO2001097377A2 Very high repetition rate power supply system and method |
| 12/12/2001 | CN1325776A Resistor welding electric power supply |
| 12/11/2001 | US6329763 Pulsed high voltage radiography system power supply having a one-to-one correspondence between low voltage input pulses and high voltage output pulses |
| 12/11/2001 | US6329636 Method and apparatus for receiving a universal input voltage in a welding plasma or heating power source |
| 12/06/2001 | US20010047982 Resistance welding power supply apparatus |
| 12/06/2001 | DE10122085A1 Superconductive switch element for altering electrical resistance has HF magnetic radiation used for switching between superconductive and normally conducting modes |
| 12/05/2001 | CN1324705A Power supply for arc-welding |
| 12/04/2001 | US6327163 Solid state pulsed power supply |
| 11/28/2001 | EP1157774A2 Resistance welding power supply apparatus |
| 11/28/2001 | EP1157772A2 Power supply for electric arc welding |
| 11/28/2001 | EP1157454A1 Power supply with flux-controlled transformer |