| Patents for H02K 33 - Motors with reciprocating, oscillating, or vibrating magnet, armature, or coil system (7,676) |
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| 08/17/2004 | US6777852 Stator core of torque motor |
| 08/12/2004 | US20040155536 Brushless electric motor |
| 08/11/2004 | CN1161544C Reciprocative compressor |
| 08/11/2004 | CN1161190C Electromagneitc device and driver circuit |
| 08/10/2004 | US6774589 Rocking seat control apparatus |
| 08/10/2004 | US6774588 Controlling apparatus for linear oscillation motor and method for controlling linear oscillation motor |
| 08/05/2004 | US20040150277 Low profile push-pull magnetic vibrating apparatus |
| 08/04/2004 | CN2631112Y Oblate DC coreless vibration micro motor |
| 08/04/2004 | CN2630856Y Electromagnetic drive device |
| 08/03/2004 | US6770990 Reciprocating motor |
| 07/29/2004 | WO2004064238A1 Method and apparatus for controlling the object to move back and forth by a rotating magnet pole and obtaining kinetic energy |
| 07/29/2004 | WO2003021127A3 Apparatus for reducing sensitivity of an article to mechanical shock |
| 07/29/2004 | US20040145248 Reciprocating motor |
| 07/29/2004 | US20040145247 Linear electric motor |
| 07/28/2004 | EP1440500A2 Drive for the piston of a linear cooler |
| 07/28/2004 | CN2629333Y Electric wabbler mechanism |
| 07/28/2004 | CN1516326A Electricity-saving type handset vibration device |
| 07/27/2004 | US6768569 Module for receiving a light beam and converting it to a scanning beam |
| 07/22/2004 | WO2003102979B1 Force motor with increased proportional stroke |
| 07/22/2004 | DE10258279A1 Linear drive unit, especially for final control device, has clamping device for fixing rotor relative to drive rod/housing with clamping force induced by second magnetic field of second magnetic coil |
| 07/21/2004 | EP1439630A1 Reciprocating linear actuator |
| 07/21/2004 | CN1158740C Stator structure of reciprocating electric machine |
| 07/20/2004 | US6765331 Eccentric rotor having high density member, manufacturing method thereof, and flat coreless vibrator motor using the eccentric rotor |
| 07/20/2004 | US6765320 Actuator |
| 07/20/2004 | US6765318 Linear driving device |
| 07/15/2004 | WO2004059820A1 Linear actuator |
| 07/14/2004 | EP1436508A1 Electronic control system and process for electromagnetic pump |
| 07/14/2004 | EP1226001A4 Methods relating to constructing reciprocator assembly |
| 07/14/2004 | CN1512504A Disc driver and driving device |
| 07/08/2004 | US20040131349 Actuator |
| 07/08/2004 | US20040130237 Gravitational wave propulsion and telescope |
| 07/08/2004 | US20040130221 Linear oscillator |
| 07/08/2004 | US20040129953 Mems devices and methods of manufacture |
| 07/08/2004 | US20040128781 Linear oscillator and electrically driven toothbrush |
| 07/07/2004 | CN2624512Y Reciprocation and rotation reverse gear |
| 07/07/2004 | CN1511368A Auto-centering linear motor |
| 07/07/2004 | CN1510822A Electric transmission |
| 07/07/2004 | CN1510815A Fixer of reciprocating motion motor fixing stator |
| 07/06/2004 | US6759640 Method of controlling current applied to electromagnetically driven valve and control system |
| 07/01/2004 | US20040124795 Vibrator controlling circuit |
| 07/01/2004 | US20040124718 Electronic control throttle body |
| 07/01/2004 | DE10361077A1 Elektrischer Aktuator Electric actuator |
| 06/30/2004 | EP1391136A4 Matching an acoustic driver to an acoustic load in an acoustic resonant system |
| 06/30/2004 | CN1509515A Reciprocating motor |
| 06/30/2004 | CN1509514A Linear oscillator and electrical driven toothbrush |
| 06/30/2004 | CN1508940A Stator structure for reciprocating motor |
| 06/30/2004 | CN1508939A Stator sturcture for reciprocating motor |
| 06/30/2004 | CN1156070C Four-stroke multi-cylinder piston type magnetic engine |
| 06/29/2004 | US6756871 Actuator with number of stator teeth equal to number of rotor poles |
| 06/29/2004 | US6756759 Angle or position detecting apparatus, method thereof, servo apparatus, and servo method, and motor |
| 06/24/2004 | US20040119344 Electric actuator |
| 06/23/2004 | CN2621358Y High-frequency reciprocating linear electric motors |
| 06/22/2004 | US6754363 Structure of dual magnetic loop type receiver |
| 06/22/2004 | US6753665 Linear compressor drive device |
| 06/17/2004 | US20040114278 Disk drive and actuator |
| 06/17/2004 | US20040113732 Bistable magnetic actuator |
| 06/17/2004 | US20040113509 Lamination and lamination arrangement for a linear motor |
| 06/16/2004 | EP1429299A1 Tactile vibration generator system |
| 06/16/2004 | EP1428307A2 Electromechanical transducer linear compressor and radio transmission antenna |
| 06/16/2004 | CN1504269A Bodily sensed vibration generator system |
| 06/16/2004 | CN1154225C Oscillating magnetic resistance motor and reciprocating compressor with the same motor |
| 06/15/2004 | US6750999 Reconfigurable quasi-optical unit cells |
| 06/10/2004 | WO2004049547A1 Actuator |
| 06/10/2004 | WO2004047670A1 Power toothbrush |
| 06/10/2004 | US20040108774 Stator for reciprocating motor |
| 06/09/2004 | EP1426897A1 System for focusing a light beam |
| 06/09/2004 | EP1426580A2 Variable geometry turbine |
| 06/09/2004 | EP1425764A2 Bistable magnetic actuator |
| 06/09/2004 | CN2620416Y Special vibration electric machine |
| 06/08/2004 | US6746217 Reciprocating compressor |
| 06/03/2004 | WO2004046550A1 A control system for the movement of a piston |
| 06/03/2004 | WO2003072486A3 Mems devices and methods of manufacture |
| 06/03/2004 | US20040104625 Bodily sensed vibration generator system |
| 06/03/2004 | DE10351572A1 Magnetischer Dämpfer und Stellglied mit magnetischem Dämpfer Magnetic Damper and actuator with magnetic damper |
| 06/01/2004 | US6744904 Multifunction acoustic device |
| 06/01/2004 | US6744162 Safety locking device for electromechanical equipment and aircraft wheel brake equipped therewith |
| 05/27/2004 | WO2004045060A2 Sensorless control of a harmonically driven electrodynamic machine for a thermoacoustic device or variable load |
| 05/27/2004 | US20040101150 Piezoelectric driver device with integral sensing layer |
| 05/27/2004 | DE10296891T5 Selbst-zentrierender Linear-Motor Self-centering linear motor |
| 05/27/2004 | DE10197234T5 Ständer für einen Kolbenmotor Stand for a piston engine |
| 05/26/2004 | EP1422812A1 Solenoid valve driver |
| 05/26/2004 | EP1422731A1 Electrodynamic actuator |
| 05/26/2004 | EP1421998A1 Vibrating actuator device |
| 05/26/2004 | CN2618360Y Reciprocatnig power device actuated by attraction and repulsion of D.C. solenoid |
| 05/26/2004 | CN2618359Y Electromagnetic muscle power plant |
| 05/26/2004 | CN1500306A 线性电马达 Linear electric motor |
| 05/26/2004 | CN1499701A Magnetic buffer and brake having same |
| 05/25/2004 | US6741008 Stator for reciprocating motor |
| 05/20/2004 | US20040095563 Moving stage device in exposure apparatus |
| 05/20/2004 | US20040095217 Actuator and transducer |
| 05/20/2004 | US20040095128 Electrodynamic actuator |
| 05/20/2004 | US20040095028 Sensorless control of a harmonically driven electrodynamic machine for a thermoacoustic device or variable load |
| 05/20/2004 | US20040095027 Linear motor |
| 05/19/2004 | CN1150793C Multi-function acoustic assembly |
| 05/18/2004 | US6736614 Rotary piston drive mechanism |
| 05/13/2004 | WO2004040594A1 Winding coil assembly of reciprocating motor and manufacturing method thereof |
| 05/13/2004 | US20040090295 Magnetic damper and actuator having the same |
| 05/13/2004 | US20040090228 Speed sensitive field ground detection mode for a generator field winding |
| 05/13/2004 | US20040090129 Positioning apparatus and charged-particle-beam exposure apparatus |
| 05/13/2004 | DE20320293U1 Suction nozzle for a vacuum cleaner has a driver roller crosswise to a working movement and a beating device parallel to the driver roller. |