| Patents for H02K 41 - Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path (10,066) |
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| 08/03/2004 | US6770989 Linear motor having an improved stator and shifter |
| 08/03/2004 | US6770988 Linear electromagnetic machine |
| 08/03/2004 | US6770987 Brushless electric motors with reduced stray AC magnetic fields |
| 08/03/2004 | US6770242 From a dispersion of prealloyed rare earth magnetic particles in a thermoplastic binder; used to actuate head-arm assemblies in small form factor disk drives |
| 08/03/2004 | US6769892 Electrically operated drives |
| 07/29/2004 | US20040145248 Reciprocating motor |
| 07/29/2004 | DE20302709U1 Stator mit Wickelspulenkühlung Stator winding coil cooling |
| 07/29/2004 | DE202004007443U1 Vorrichtung zum Umformen von stangenförmigen und/oder rohrförmigen elektrisch leitenden Gütern Apparatus for shaping rod-like and / or tubular conductive materials |
| 07/29/2004 | DE19506070B4 Einlege- bzw. Entnahmevorrichtung für Werkstücke Insertion and extraction device for the workpieces |
| 07/27/2004 | US6768239 Electromotive devices using notched ribbon windings |
| 07/27/2004 | US6768229 Coil construction for voice coil motor |
| 07/22/2004 | US20040140780 High-speed precision positioning apparatus |
| 07/22/2004 | US20040140721 Closed box structure of the horizontal linear motor machine tool |
| 07/22/2004 | DE10261796A1 Antriebseinheit Drive unit |
| 07/21/2004 | CN1514528A Belt type rotor |
| 07/20/2004 | US6765766 Bonding tub improved electromagnetic microactuator in disc drives |
| 07/20/2004 | US6765318 Linear driving device |
| 07/20/2004 | US6764289 Fixture for manufacturing magnets for a voice coil motor |
| 07/15/2004 | WO2004059821A1 Driving unit |
| 07/15/2004 | WO2004059820A1 Linear actuator |
| 07/15/2004 | WO2004059066A1 Washer/dryer |
| 07/15/2004 | WO2004058448A2 Drive unit |
| 07/15/2004 | US20040135468 Magnetic actuator under piezoelectric control |
| 07/15/2004 | DE20302710U1 Stator mit gekühltem Kern Stator core with chilled |
| 07/15/2004 | DE10334213A1 Vorrichtung zum Steuern des Antriebs eines Linearmotors und Verfahren dazu An apparatus for controlling the drive of the linear motor and method thereof |
| 07/15/2004 | DE10257579A1 Linearantrieb, insbesondere für eine Schiebetür oder dergleichen Linear drive, in particular for a sliding door or the like |
| 07/14/2004 | CN1157715C Information recording apparatus with voice coil motor and its integrated magneetic plate of casing |
| 07/13/2004 | US6762516 Electromagnetic actuator and exposure apparatus having the same |
| 07/08/2004 | US20040130223 Cooling of stator by corrugated hose in an electric machine |
| 07/08/2004 | US20040130222 Linear voice coil actuator with compensating coils |
| 07/08/2004 | US20040130221 Linear oscillator |
| 07/08/2004 | DE19952805B4 Verfahren und Vorrichtung zur Finishbearbeitung von Werkstücken Method and apparatus for finish machining of workpieces |
| 07/08/2004 | DE10259601A1 Highly dynamic linear motor has stator that does not have magnetic short-circuit so that damping cause by magnetic reversing losses are eliminated and hence very highly dynamic behavior is achieved |
| 07/08/2004 | DE10085245T5 Antriebsvorrichtung mit geradliniger Bewegung Drive device with rectilinear motion |
| 07/01/2004 | WO2004055607A2 Apparatus for processing an object with high position accurancy |
| 07/01/2004 | WO2003020624A8 Device and apparatus with magnetic thread-guide for winding a thread onto cylindrical supports |
| 07/01/2004 | US20040126907 Alignment apparatus and exposure apparatus using the same |
| 07/01/2004 | US20040124717 Motor assembly allowing output in multiple degrees of freedom |
| 06/30/2004 | EP1434335A2 Alignment apparatus and exposure apparatus using the same |
| 06/30/2004 | EP1432636A1 Device and apparatus with magnetic thread-guide for winding a thread onto cylindrical supports |
| 06/30/2004 | EP1391136A4 Matching an acoustic driver to an acoustic load in an acoustic resonant system |
| 06/30/2004 | EP0793870B2 Permanent magnet synchronous motor |
| 06/30/2004 | CN1509515A Reciprocating motor |
| 06/29/2004 | US6756705 Linear stepper motor |
| 06/29/2004 | US6755883 Punch, powder pressing apparatus and powder pressing method |
| 06/24/2004 | WO2004054075A1 Linear drive for a sliding door |
| 06/24/2004 | WO2004053270A1 Sliding door |
| 06/24/2004 | DE202004003974U1 Leichtbau-Teleskopstrebe Lightweight telescopic strut |
| 06/23/2004 | EP1430588A2 Linear voice coil actuator with a latching feature |
| 06/23/2004 | CN2621230Y Beam-pumping unit driven by linear electric motor |
| 06/23/2004 | CN1507147A Apparatus for controlling driving linear motor and method thereof |
| 06/22/2004 | US6753666 Apparatus for operating a magnet vehicle |
| 06/22/2004 | US6753627 Linear motor |
| 06/22/2004 | US6753626 Linear motor having an integrally formed air bearing |
| 06/17/2004 | US20040113509 Lamination and lamination arrangement for a linear motor |
| 06/16/2004 | EP1428307A2 Electromechanical transducer linear compressor and radio transmission antenna |
| 06/16/2004 | EP1427938A2 Motor assembly allowing output in multiple degrees of freedom |
| 06/16/2004 | CN1505067A Magnetic actuator under piezoelectric control |
| 06/16/2004 | CN1154093C Optical disc system and method for controlling bias coil and information on light source processing medium |
| 06/16/2004 | CN1154092C Compact disc system having current monitoring circuit assembly and operation method thereof |
| 06/16/2004 | CN1154091C Servo control system for information storage device |
| 06/16/2004 | CN1153650C Linear motion brake and linear motion equipment containing the same |
| 06/15/2004 | US6750625 Wafer stage with magnetic bearings |
| 06/15/2004 | US6750571 Magnetically shielded linear motors, and stage apparatus comprising same |
| 06/15/2004 | US6750570 Flux switching linear motor |
| 06/15/2004 | US6748907 Device including a combustion engine, a use of the device, and a vehicle |
| 06/10/2004 | US20040108825 Apparatus and method for controlling driving of linear motor |
| 06/10/2004 | US20040108782 Motor having core structure wherein magnetic circuit is designed in three dimensional configuration |
| 06/10/2004 | US20040108493 Lift and turn drive unit |
| 06/10/2004 | US20040108402 Reciprocating device for winding a yarn in the form of a package |
| 06/09/2004 | CN1153079C Straight line movement promoting device and optical equipment using it |
| 06/08/2004 | US6747376 Linear motor |
| 06/08/2004 | CA2246312C Process for the production of laminated cores and electromagnetic units produced therefrom |
| 06/03/2004 | WO2004047258A2 Magnetic structure and motor employing said magnetic structure, and driver comprising said motor |
| 06/03/2004 | US20040104694 Moving body drive unit |
| 06/03/2004 | US20040104624 Linear motor drive unit for a machine |
| 06/02/2004 | EP1424767A2 Magnetic actuator under piezoelectric control |
| 06/02/2004 | EP1423903A1 Electric motor comprising a cooling system |
| 06/02/2004 | EP1423899A1 Traveling wave machine |
| 06/01/2004 | US6744228 High-speed precision positioning apparatus |
| 06/01/2004 | US6744155 Momentum-decoupled direct drive |
| 06/01/2004 | US6742631 Secondary part of a linear motor, method for the production thereof, linear motor with secondary part and use of the linear motor |
| 05/27/2004 | US20040101150 Piezoelectric driver device with integral sensing layer |
| 05/27/2004 | US20040100344 Moving coil linear actuator |
| 05/27/2004 | US20040100153 Stage apparatus and method of controlling the same |
| 05/27/2004 | US20040100152 Electrodynamic linear direct drive and method for producing a coil system therefor |
| 05/27/2004 | US20040099784 Hybrid pneumatic-magnetic isolator-actuator |
| 05/27/2004 | US20040099783 Hybrid pneumatic-magnetic isolator-actuator |
| 05/27/2004 | US20040099492 Brake system for a linear actuator |
| 05/26/2004 | EP1422571A2 Stage apparatus and method of controlling the same |
| 05/26/2004 | EP1354392B1 Cooling of stator by corrugated hose in an electric machine |
| 05/26/2004 | CN1499700A Linear driving gear |
| 05/25/2004 | US6741529 Method and apparatus for moving carriage assembly from initial position to target position and optical disc system including same |
| 05/25/2004 | US6741151 Moving coil linear actuator |
| 05/25/2004 | US6741008 Stator for reciprocating motor |
| 05/25/2004 | CA2155218C Multi-phase electric machine with offset multi-polar electric pole units |
| 05/21/2004 | WO2004042902A1 Spiral linear motor |
| 05/21/2004 | WO2004042901A1 Coreless ac linear motor |
| 05/20/2004 | US20040095563 Moving stage device in exposure apparatus |
| 05/20/2004 | US20040095217 Actuator and transducer |