| Patents for H02M 9 - Conversion of dc or ac input power into surge output power (1,495) |
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| 07/22/1993 | DE4200329A1 Regelbare speisestromquelle Adjustable food source of |
| 07/14/1993 | EP0550757A1 Pulse generator and dust collector using same |
| 05/26/1993 | EP0543005A1 High power factor, voltage-doubler rectifier |
| 05/04/1993 | US5208788 Discharge circuit, and use thereof in a method and in apparatus for detecting and correcting the positions of electrodes, in particular as used in apparatuses for generating pressure waves |
| 01/07/1993 | WO1993000742A1 Pulse generator and dust collector using same |
| 12/30/1992 | EP0520439A2 Electronic welding current generator for pulsed-arc welding |
| 12/28/1992 | CA2072711A1 Electronic welding current generator for impulse arc welding |
| 12/23/1992 | WO1992022952A1 High power factor, voltage-doubler rectifier |
| 12/09/1992 | EP0517116A1 High voltage generating circuits |
| 10/13/1992 | US5155352 Optically activated sub-nanosecond hybrid pulser |
| 09/08/1992 | US5146400 Circuit arrangement for producing current pulses of a given shape in an inductive load |
| 08/12/1992 | EP0497965A1 Very high voltage and high current pulse generator |
| 08/11/1992 | US5138513 Arc preventing electrostatic power supply |
| 08/11/1992 | US5138193 Electric pulse generator of the saturable inductor type |
| 08/06/1992 | DE4102677A1 Current step supply for heating conductor for sticking long parts - has measurement and control circuits controlling current according to heating conductor resistance |
| 06/23/1992 | US5124629 Post regulation circuit with energy storage |
| 06/02/1992 | US5119283 High power factor, voltage-doubler rectifier |
| 05/07/1992 | DE4035132A1 Circuit for charging capacitor to specified voltage - uses pulses of different widths computed from response to test pulse |
| 05/05/1992 | US5111379 Electrofishing apparatus and method |
| 05/05/1992 | US5110534 Power source for nuclear fusion reactor |
| 04/14/1992 | US5105329 Apparatus for driving the armature of an electric stapler |
| 04/14/1992 | US5105097 Passive magnetic switch for erecting multiple stage, high-pulse-rate voltage multipliers |
| 03/26/1992 | DE4030184A1 High power pulse generator with low impedance - has two charge capacitors in LC inversion circuit charged from HV source and discharged by trigger circuit |
| 03/05/1992 | WO1992003875A1 Very high voltage and high current pulse generator |
| 02/04/1992 | US5086205 Apparatus employing a welding power supply for powering a plasma cutting torch |
| 01/22/1992 | EP0467770A1 Discharge circuit having a high impedance chocke and use thereof in pressure wave generating apparatus |
| 01/07/1992 | US5079689 Pulse-type electric supply for a load equipped with means for diverting the electric power liable to be reflected by the load |
| 12/10/1991 | US5072191 High-voltage pulse generating circuit, and discharge-excited laser and accelerator containing such circuit |
| 10/24/1991 | DE4012386A1 Controlling safety equipment for driver and/or passengers - measuring voltage of oscillating circuit and rectifying for comparison with stipulated voltage value |
| 10/15/1991 | US5057966 Apparatus for removing static electricity from charged articles existing in clean space |
| 10/02/1991 | EP0449467A1 Apparatus employing a welding power supply for powering a plasma cutting torch |
| 09/27/1991 | CA2038794A1 Plasma cutting torch power supply |
| 09/04/1991 | EP0444986A1 Electrical power supply device for one or several metal vapor lasers |
| 08/27/1991 | US5043598 High voltage supply having a voltage stabilizer |
| 08/27/1991 | CA1288132C High voltage generating circuit using a minimal amount of current |
| 08/20/1991 | CA1287878C Circuit arrangement for generating high voltage pulses |
| 08/06/1991 | US5038052 Double swing power unit |
| 06/26/1991 | EP0434048A2 Compact high voltage power supply |
| 06/05/1991 | EP0430765A1 Pulsating electric power supply system for a load, with means of diverting the electric energy reflected by the load |
| 04/16/1991 | US5008798 Compact high voltage power supply |
| 04/16/1991 | US5008771 Diagnostic circuit for units providing current control and protection against excessive heat dissipation for semiconductor power devices |
| 03/26/1991 | US5003208 Miniature motor having positive-coefficient thermistor |
| 03/20/1991 | EP0417771A1 High-voltage pulse generating circuit and electrostatic precipitator containing it |
| 03/06/1991 | EP0415485A2 Installation to generate current pulses of an established form in an inductive user |
| 02/12/1991 | US4993033 High power fast switch |
| 02/12/1991 | US4992923 Electrical power supply, fusing apparatus and recording apparatus using the same |
| 02/12/1991 | US4992719 Stable high voltage pulse power supply |
| 01/30/1991 | EP0410155A1 Stable high voltage pulse power supply |
| 01/10/1991 | DE4019822A1 HV pulse generating circuit - has magnetic pulse compression circuit with saturable main choke, and resetting circuit |
| 01/03/1991 | DE3920057A1 Artificial lightning flash device for show or firework display - deflects initiated arc to successive electrode discharge paths |
| 09/12/1990 | EP0386318A1 Equipment for removing static electricity from charged articles existing in clean space |
| 08/29/1990 | EP0219504B1 Circuit arrangement for generating high voltage pulses |
| 08/14/1990 | CA1272758A1 Impulse high voltage generator |
| 06/20/1990 | EP0373694A1 Diagnostic circuit for units providing current control and protection against excessive heat dissipation for semiconductor power devices |
| 06/19/1990 | CA1270521A1 Voltage control system |
| 06/13/1990 | CA2005184A1 Diagnostic circuit for units providing current control and protection against excessive heat dissipation for semiconductor power devices |
| 05/17/1990 | DE3938177A1 Stossstrom-unterdrueckungsschaltung und magnetische einrichtung darin Surge current-unterdrueckungsschaltung and magnetic device is |
| 05/01/1990 | US4922396 DC-DC converter |
| 03/27/1990 | US4912738 Magnetically energized pulser |
| 03/21/1990 | CN1040714A Miniature motor having positive-coefficient thermistor |
| 03/13/1990 | US4908524 High voltage pulse power converter |
| 02/28/1990 | EP0355698A2 Electrical power supply, fusing apparatus and recording apparatus using the same |
| 01/30/1990 | US4897753 Electrical circuit |
| 12/27/1989 | CN1006270B High voltage pulse generator |
| 11/21/1989 | US4882665 High frequency, high power, power supply |
| 10/03/1989 | US4871925 High-voltage pulse generating apparatus |
| 09/27/1989 | EP0333723A1 Air-drying modified alkyd resin binding agents, process for their production, coating agents based on said binding agents and application of said coating agents as building coatings |
| 09/26/1989 | CA1261387A1 High voltage control |
| 09/21/1989 | WO1989008950A1 Saturable inductance electric pulse generator |
| 08/08/1989 | US4855889 High-tension generator circuit with very low current consumption |
| 08/08/1989 | US4854948 Supply circuit for electrostatic dust separator |
| 04/25/1989 | CA1253200A1 Electronic high-voltage generator for electrostatic sprayer devices |
| 03/28/1989 | US4816978 Electrical power supply circuit, in particular for a wave generator for a pulse radar |
| 02/14/1989 | US4804923 Voltage control system |
| 02/01/1989 | EP0301923A1 Electric power supply, especially for a wave generator of a pulse radar |
| 02/01/1989 | EP0301436A1 DC-DC converter |
| 01/24/1989 | US4799482 Stone disintegrator apparatus |
| 11/22/1988 | US4787022 High voltage power source for a discharge tube |
| 11/17/1988 | EP0291120A2 A regulated high frequency power supply |
| 11/01/1988 | US4782242 Circuit arrangement for generating high voltage pulses |
| 08/23/1988 | CA1241073A1 Three-phase high frequency spike welding system |
| 08/09/1988 | US4763077 Sensor circuit responsive to different fluid conductivities |
| 07/20/1988 | EP0275223A1 High-voltage generator circuit with very low current consumption |
| 06/07/1988 | US4750100 Transfection high voltage controller |
| 06/07/1988 | CA1237783A1 Electromagnetic therapeutical device |
| 06/02/1988 | WO1988003936A1 Air-drying modified alkyd resin binding agents, process for their production, coating agents based on said binding agents and application of said coating agents as building coatings |
| 05/25/1988 | EP0268236A2 Air-drying modified alkyde resin binder, process for its preparation, coating composition based on the modified alkyde resin binder and its use as a domestic paint |
| 03/30/1988 | CN87204519U Surge counter |
| 03/22/1988 | US4733102 Phase angle regulated rectifier and pulse producing system |
| 03/01/1988 | US4729088 Regulated high frequency power supply |
| 02/23/1988 | US4727297 Arc lamp power supply |
| 02/23/1988 | US4727262 Multiconcentric coaxial cable pulse forming device |
| 02/16/1988 | US4725941 High-voltage/large-current generator apparatus and method for generating high-voltage/large-current |
| 01/20/1988 | EP0253163A2 Arc lamp power supply |
| 12/09/1987 | EP0248550A1 Voltage control system |
| 12/01/1987 | US4710849 High voltage control |
| 10/15/1987 | DE3625499A1 Starter for high-pressure discharge lamps which are supplied independently of the mains |
| 09/16/1987 | EP0236470A1 Improvements in lasers |
| 09/16/1987 | CN86105757A High voltage pulse generator |
| 08/05/1987 | EP0230850A2 Impulse high voltage generator |