| 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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| 05/20/2004 | US20040095026 Electromagnetic moving-coil device |
| 05/19/2004 | DE10251846A1 Pumpenantrieb Pump drive |
| 05/19/2004 | CN1497674A Planar stage device |
| 05/13/2004 | WO2004040742A1 Closed-ended linear voice coil actuator with improved force characteristic |
| 05/13/2004 | WO2004040737A1 Elastic wave actuator |
| 05/13/2004 | WO2004039513A1 Device and method for reshaping bar-shaped materials particularly for drawing and extruding |
| 05/13/2004 | US20040090128 Linear drive apparatus |
| 05/13/2004 | US20040090127 Motor controller for image reading apparatus, and image reading apparatus with the same |
| 05/13/2004 | US20040090126 Structure for symmetrically disposed linear motor operated tool machine |
| 05/12/2004 | EP1418336A1 Progressive cavity pump with integrated electrical motor |
| 05/12/2004 | EP1418017A2 Positioning apparatus, charged particle beam exposure apparatus, and semiconductor device manufacturing method |
| 05/11/2004 | US6734583 Slider unit with built-in moving-coil linear motor |
| 05/11/2004 | US6732658 Transit car propelled by multiple pairs of magnetic linear motors |
| 05/06/2004 | WO2004038899A1 High force density linear electric motor |
| 05/06/2004 | WO2004038741A1 Flat linear voice coil actuator with planar coils and a spring-type characteristic |
| 05/06/2004 | WO2003000017A9 Variable reluctance motor |
| 05/06/2004 | EP1415384A1 Electrodynamic linear direct drive and method for producing a coil system therefor |
| 05/06/2004 | EP1236263B1 Motor/generator with energised reluctance and coil in the air gap |
| 05/05/2004 | CN1494195A Motor with core structure and 3-D structure magnetic circuit |
| 05/04/2004 | US6731029 Canned linear motor |
| 05/04/2004 | US6731025 Motor with linear and rotary motion |
| 05/04/2004 | US6730916 Electron beam lithography apparatus |
| 05/04/2004 | US6729578 Short runway aircraft launching and landing system |
| 05/04/2004 | CA2236334C Device for connecting to a grounding conductor the electrically conductive sheath of a lead |
| 04/29/2004 | US20040080735 Plain surface stage apparatus |
| 04/29/2004 | US20040080217 Vacuum-use motor |
| 04/29/2004 | US20040079898 Cooling of voice coil motors in lithographic projection apparatus |
| 04/29/2004 | DE19800410B4 Linearmotor Linear motor |
| 04/28/2004 | CN1147661C Door suspension assembly |
| 04/28/2004 | CN1147383C Miniature multi-articulation electromagnetic creeping motino robot system |
| 04/27/2004 | US6727667 Multiple control device for linear actuator |
| 04/22/2004 | WO2004034556A1 Tandem arrangement linear motor |
| 04/22/2004 | WO2004033363A1 Micro-actuator device and optical switch system using the same |
| 04/22/2004 | US20040075518 Coil system, a method for the production thereof and an electrodynamic direct linear drive having said coil system |
| 04/22/2004 | DE10247908A1 Measurement system for detecting positions of linear direct drives, uses magnetic field of permanent magnets of secondary part of linear motor to obtain sinusoidal signals |
| 04/22/2004 | DE10118420B4 Antriebseinheit für eine Maschine Drive unit for a machine |
| 04/22/2004 | DE10019230B4 Linearmotor Linear motor |
| 04/21/2004 | EP1410408A1 An electromagnetic power device |
| 04/20/2004 | US6724104 Linear motor drive apparatus |
| 04/15/2004 | WO2004032313A1 Surface shape measuring apparatus and single-shaft driver for use therein |
| 04/15/2004 | WO2004030975A2 Suspending, guiding and propelling vehicles using magnetic forces |
| 04/15/2004 | WO2003100943A3 Fixationi of permanent magnets to secondary of linear machine and linear machine with multiple time constant circuits |
| 04/15/2004 | US20040070290 Linear motor including cooling system |
| 04/15/2004 | US20040070288 Linear motor coils assembly and manufacturing method thereof |
| 04/15/2004 | US20040070286 Linear synchronous motor with multiple time constant circuits, a secondary synchronous stator member and improved method for mounting permanent magnets |
| 04/15/2004 | US20040070285 Electric motors with reduced stray magnetic fields |
| 04/15/2004 | DE19604643B4 Linearmotor mit integrierter Kühlung Linear motor with integrated cooling |
| 04/14/2004 | EP1287233A4 Frre-piston internal combustion engine with valves located in pistons |
| 04/14/2004 | EP1057244B1 Linear stepper motor |
| 04/14/2004 | CN1146098C Dynamo-electric machine |
| 04/13/2004 | US6720681 Structure and manufacturing method of a linear stepping motor |
| 04/13/2004 | US6719227 Grinding mill and methods for fabricating same |
| 04/08/2004 | US20040066497 Moving apparatus, exposure apparatus, and device manufacturing method |
| 04/08/2004 | US20040066097 Linear motor and linear-motor based compressor |
| 04/08/2004 | US20040064916 Buffering structure for wheels |
| 04/08/2004 | DE10240704A1 High-pole alternator for back-geared motor torque/speed ranges, uses a frequency converter with higher frequencies and a much higher number of poles |
| 04/07/2004 | EP1404540A2 System to generate and control levitation, propulsion and guidance of linear switched reluctance machines |
| 04/06/2004 | US6717653 Moving mechanism in exposure apparatus, and exposure apparatus having the same |
| 04/06/2004 | US6717312 Defense vehicle aiming ordinance platform having variable reluctance motor |
| 04/06/2004 | US6717297 Electrical machine |
| 04/06/2004 | US6717296 Lithographic apparatus and motor for use in the apparatus |
| 04/06/2004 | US6717295 Cooling apparatus for linear motor |
| 04/06/2004 | US6717294 High speed linear motor with a precise positioning ability |
| 04/01/2004 | US20040061385 Linear motor apparatus |
| 04/01/2004 | US20040061383 Position-control stage with onboard linear motor |
| 04/01/2004 | DE10244261A1 Spulensystem mit zugehörigem Herstellungsverfahren und damit ausgestattetem elektrodynamischem Lineardirektantrieb Coil system with associated production process and thus equipped electrodynamic linear direct drive |
| 04/01/2004 | DE10244260A1 Linearantriebsvorrichtung Linear drive device |
| 04/01/2004 | DE10135541B4 Elektromotor mit Positions-Meßsystem Electric motor with position measuring system |
| 03/31/2004 | EP1404012A2 Coil system, its manufacturing method, and electrodynamic linear motor incorporating the same |
| 03/31/2004 | EP1404011A1 Linear drive |
| 03/31/2004 | EP1402618A1 Reciprocating motor |
| 03/31/2004 | CN1485702A Display panel and the multilayer pole plate made of the same |
| 03/31/2004 | CN1144186C Method of changing rotational rate of storage medium from initial rate to desired rate |
| 03/30/2004 | US6713904 Linear voice coil actuator with compensating coils |
| 03/30/2004 | US6713903 Motor system for positioning a load |
| 03/30/2004 | US6713902 Closed-path linear motor |
| 03/30/2004 | US6713900 Linear motors and stages comprising same that produce reduced magnetic fields at an optical axis for charged-particle-beam lithography |
| 03/30/2004 | US6713899 Linear synchronous motor |
| 03/30/2004 | US6712512 Rolling guide device and drive system using rolling guide device |
| 03/25/2004 | WO2004025815A1 Harmonic drive motor |
| 03/25/2004 | WO2004025814A1 Reciprocating motor |
| 03/25/2004 | WO2004025813A1 Stator for motor employing permanent magnet and motor comprising that stator |
| 03/25/2004 | WO2002095906A8 Lamination and lamination arrangement for a linear motor |
| 03/25/2004 | US20040056557 Epicycloidal motor |
| 03/25/2004 | US20040056549 Motor-driven bicycle and brushless motor thereof |
| 03/25/2004 | US20040056536 Linear drive device |
| 03/24/2004 | EP1400006A1 Secondary part for a linear motor with a cooling system |
| 03/24/2004 | EP1400005A1 Linear motor comprising an improved function approximator in the controlling system |
| 03/24/2004 | EP1400004A1 Reciprocating motor |
| 03/24/2004 | EP1400002A1 Electric motor comprising a coiled cooling pipe |
| 03/24/2004 | EP1400001A2 Cast secondary part for electric motors |
| 03/24/2004 | CN1484364A Permanent magnet magnetic resistance straight line motor |
| 03/24/2004 | CN1484363A Rotor and mfg method, straight line motor having same |
| 03/23/2004 | US6710483 Actuator capable of revolving |
| 03/23/2004 | US6710353 Actuator and transducer |
| 03/18/2004 | US20040052170 Objective lens drive device, and disk recording and/or reproducing device |
| 03/18/2004 | US20040051486 Multiple control device for linear actuator |
| 03/18/2004 | US20040051403 X-Y stage system with onboard linear motor |
| 03/18/2004 | US20040051402 Actuator to correct for off center-of-gravity line of force |
| 03/18/2004 | US20040051401 Circular rail linear induction motor |