| Patents for H02K 33 - Motors with reciprocating, oscillating, or vibrating magnet, armature, or coil system (7,676) |
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| 05/12/2004 | EP1418655A2 Speed sensitive field ground detection mode for a generator field winding |
| 05/12/2004 | EP1417404A1 High-speed controlling device |
| 05/12/2004 | CN1149730C Vibration generator |
| 05/12/2004 | CN1149727C Stator structure of reciprocating electric motor |
| 05/11/2004 | US6733245 Piston support structure of reciprocating compressor |
| 05/06/2004 | US20040086148 Magnetic circuit for loudspeaker and loudspeaker comprising it |
| 04/29/2004 | WO2004036723A1 Linear motor and liner compressor using the same |
| 04/29/2004 | US20040080895 Control of electro-magnets |
| 04/29/2004 | US20040080217 Vacuum-use motor |
| 04/29/2004 | US20040079898 Cooling of voice coil motors in lithographic projection apparatus |
| 04/29/2004 | US20040079330 Driver or direct acting valve for internal combustion engine |
| 04/28/2004 | EP1020013B1 Linear motor compressor |
| 04/28/2004 | CN1148046C Multifunctional converter capable of converting electric signal into vibration of element for portable electronic apparatus |
| 04/28/2004 | CN1147987C Method for regulating knocking force of electric knocking machine with two coins |
| 04/27/2004 | US6727607 Oscillating reluctance motor and reciprocating gas compressor using the same |
| 04/22/2004 | WO2004033363A1 Micro-actuator device and optical switch system using the same |
| 04/21/2004 | CN2613092Y Serially-arranged high-energy electromagnetic actuator |
| 04/20/2004 | US6724105 Dual-directionally operated dynamo set |
| 04/15/2004 | WO2004030975A2 Suspending, guiding and propelling vehicles using magnetic forces |
| 04/15/2004 | US20040070547 Structure of dual magnetic loop type receiver |
| 04/14/2004 | EP1208288A4 Dc centering of free piston machines |
| 04/14/2004 | EP0676094B1 Linear electrodynamic machine and method of using same |
| 04/14/2004 | CN1488856A 线性压缩机 Linear Compressor |
| 04/13/2004 | US6720691 Vibrating device for transmitting information |
| 04/08/2004 | WO2004030407A2 Drive mechanism |
| 04/08/2004 | WO2004028759A1 Small electrical appliance with a drive device for generation of an oscillating movement |
| 04/08/2004 | WO2004028758A1 Drive device for the generation of an oscillating movement for a small electrical appliance |
| 04/08/2004 | US20040066097 Linear motor and linear-motor based compressor |
| 04/07/2004 | CN1487660A Movement controller for electromagnetic driving mechanism |
| 04/07/2004 | CN1487653A Reciprocating linear motor |
| 04/07/2004 | CN1487517A Magnetic disk machine |
| 04/06/2004 | US6717305 Apparatus having an electroacoustic transducer forming a sound reproducing means and a part of vibration generating means |
| 04/06/2004 | US6717227 MEMS devices and methods of manufacture |
| 04/06/2004 | US6716074 Magnetic differential displacement device with distributing forces pendulum array |
| 04/01/2004 | US20040062543 Driving apparatus, light-amount regulating apparatus, and lens driving apparatus |
| 04/01/2004 | US20040061583 Linear actuator and a pump apparatus and compressor apparatus using same |
| 04/01/2004 | US20040061384 Linear electric machine |
| 04/01/2004 | DE10242094A1 Oscillation drive for small electrical device e.g. electric razor or toothbrush, has spring elements providing coupling between 2 linear motor components oscillating in opposition to one another |
| 04/01/2004 | DE10242093A1 Antriebseinrichtung zum Erzeugen einer oszillierenden Bewegung für ein elektrisches Kleingerät Drive means for generating an oscillating movement for a small electric appliance |
| 04/01/2004 | DE10242091A1 Elektrisches Kleingerät mit einer Antriebseinrichtung zur Erzeugung einer oszillierenden Bewegung The small electric appliance with a drive device for producing an oscillating motion |
| 03/31/2004 | EP1402618A1 Reciprocating motor |
| 03/31/2004 | EP1042637A4 Displacer assembly for stirling cycle system |
| 03/31/2004 | EP1012509A4 Synchronous twin reciprocating piston apparatus |
| 03/31/2004 | CN2608684Y New type oil pumping driving device |
| 03/31/2004 | CN1486528A Vibrating linear actuator |
| 03/31/2004 | CN1486496A Actuator for a fluid valve |
| 03/31/2004 | CN1144342C Magnetic engine |
| 03/30/2004 | US6714491 Wire-suspended objective lens actuator structure and method of assigning current pathways thereto |
| 03/30/2004 | US6713901 Linear electromagnetic zero net mass jet actuator |
| 03/25/2004 | WO2004025814A1 Reciprocating motor |
| 03/25/2004 | WO2002095906A8 Lamination and lamination arrangement for a linear motor |
| 03/25/2004 | WO2002091402A3 Bistable magnetic actuator |
| 03/25/2004 | US20040059245 Magnetic actuator with reduced magnetic flux leakage and haptic sense presenting device |
| 03/25/2004 | US20040056741 Electromagnetic actuator, optical scanner and method of preparing electromagnetic actuator |
| 03/25/2004 | US20040056545 Gravitational wave imaging |
| 03/24/2004 | EP1400004A1 Reciprocating motor |
| 03/24/2004 | CN1484361A Magnetic exciter for reducing magnetic leakage and touch indication device |
| 03/23/2004 | US6710487 Rotary device with matched expansion ceramic bearings |
| 03/23/2004 | US6710476 Electromagnetic reciprocal drive mechanism |
| 03/23/2004 | US6710353 Actuator and transducer |
| 03/18/2004 | US20040051607 Actuator for a fluid valve |
| 03/18/2004 | DE20319996U1 Elektrischer Aktuator Electric actuator |
| 03/17/2004 | CN1482319A Active mass magnetic activation vibration controlling means |
| 03/17/2004 | CN1142399C Displacer assembly for stirling cycle system |
| 03/11/2004 | WO2003067923A3 Transducer motor/generator assembly |
| 03/11/2004 | US20040046625 Actuator device |
| 03/11/2004 | US20040046462 Dual-directionally operated dynamo set |
| 03/11/2004 | US20040046461 Oscillatory linear actuator |
| 03/11/2004 | DE10339272A1 Statorkern für einen Drehmomentmotor Stator for a torque motor |
| 03/10/2004 | EP1395763A2 Variable electromagnetic damping apparatus |
| 03/10/2004 | CN1480626A Walking beam type pumping unit driven by linear motor |
| 03/09/2004 | US6701876 Electromechanical engine valve actuator system with reduced armature impact |
| 03/04/2004 | WO2003069299A3 Electromagnetic shaker |
| 03/04/2004 | US20040041492 Stator core of torque motor |
| 03/03/2004 | EP1393431A1 Lamination and lamination arrangement for a linear motor |
| 03/03/2004 | EP1392973A1 Multi-stage piston-type vacuum pump and method for operating this pump |
| 03/03/2004 | CN1479437A Linear motion executive component and pump device and air compression device using the cornponent |
| 03/02/2004 | US6700286 Stator structure of reciprocating motor |
| 03/02/2004 | US6700251 Vibrating device for axially vibrating a movable member |
| 03/02/2004 | US6700233 Brushless electric motor |
| 03/02/2004 | US6700230 Linear actuator |
| 03/02/2004 | US6698974 System for electrically powering and vibrating a compacting roller |
| 02/25/2004 | EP1391136A2 Matching an acoustic driver to an acoustic load in an acoustic resonant system |
| 02/25/2004 | EP1391025A1 Linear motor and linear compressor including said motor |
| 02/18/2004 | CN1476152A 线性电动机及线性电动机压缩器 Linear motor and linear motor compressor |
| 02/18/2004 | CN1476147A Driving device, light modulator and lens driving device |
| 02/18/2004 | CN1139173C 振动发生机构 Vibration generating means |
| 02/17/2004 | US6691651 Engine valve operating system for internal combustion engine |
| 02/12/2004 | US20040027221 Linear voice coil actuator as a controllable electromagnetic compression spring |
| 02/12/2004 | US20040025325 Linear actuator |
| 02/05/2004 | DE10226589B4 Vibrationsmotor Vibration motor |
| 02/04/2004 | CN1472875A Linear motor shaft device and its application |
| 02/03/2004 | CA2204505C Modular drive component for a vibratory feeder drive |
| 01/29/2004 | DE10229319A1 Verfahren zum Steuern eines oszillierenden Elektormotors eines elektrischen Kleingeräts A method for controlling an oscillating Elektormotors of a small electric device |
| 01/29/2004 | DE10029408B4 Drehventilbetätigeranordnung Drehventilbetätigeranordnung |
| 01/28/2004 | EP1385262A1 Mobile terminal with electromagnetic actuator |
| 01/28/2004 | EP1384309A1 Energy conversion systems using nanometer scale assemblies and methods for using same |
| 01/28/2004 | CN1136646C Linear motor and linear compressor |
| 01/28/2004 | CN1136645C Linear motor compressor and its application in cooling system |
| 01/22/2004 | WO2004008626A1 Control system for a linear vibration motor |