| 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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| 09/27/1988 | US4774442 Linear motor-driven X-Y table |
| 09/27/1988 | US4774440 Variable speed, variable motion, electrically operated vibrator for screening machinery |
| 09/20/1988 | US4772841 Stepping motor and driving method thereof |
| 09/07/1988 | WO1988006784A1 Controlled drag for magnet actuator |
| 09/07/1988 | EP0280743A1 Electric injection molding machine |
| 09/06/1988 | US4769565 Linear motor-driven table apparatus capable of operating both in fine-feed and large-feed modes |
| 08/30/1988 | US4767954 Solid state commutated linear motor with an ironless multiphase armature |
| 08/30/1988 | CA1241410A1 Cnc turning machine |
| 08/25/1988 | WO1988006375A1 Transverse flow machine in a collector arrangement |
| 08/23/1988 | US4766358 Linear stepping motor |
| 08/17/1988 | EP0278532A2 Electrical drive or generator |
| 08/17/1988 | EP0278113A1 Movable coil driving unit |
| 08/09/1988 | US4763314 Linear actuator for an optical disk storage apparatus |
| 08/09/1988 | US4761876 High speed precision drilling system |
| 08/02/1988 | US4761574 Linear pulse motor |
| 08/02/1988 | US4761573 Linear motor |
| 07/28/1988 | DE3729510C1 Contact-free linear drive |
| 07/27/1988 | EP0275589A1 Linear stepping motor |
| 07/26/1988 | US4760294 Linear motor with independently controlled coils |
| 07/19/1988 | US4758750 Linear motor of moving-coil type |
| 07/12/1988 | US4757223 Linear actuator |
| 07/06/1988 | CN86101224B Method of manufacturing electromagnetic members |
| 06/28/1988 | US4754207 Electromagnets with adjacent groups of electromagnets having different switching phases |
| 06/28/1988 | CA1238699A1 Excitation arrangement for a long stator drive |
| 06/21/1988 | US4752849 Carriage support structure |
| 06/14/1988 | US4751597 Center of percussion head actuator assembly |
| 06/14/1988 | US4751437 Wide bandwidth linear motor system |
| 06/08/1988 | EP0269649A1 Linear unit for handling devices. |
| 06/07/1988 | US4749921 Linear motor with non-magnetic armature |
| 05/25/1988 | EP0267925A1 Linear unit. |
| 05/25/1988 | CN87206791U Dc linear motor |
| 05/18/1988 | EP0267845A1 Electromagnetic actuator having two air gaps |
| 05/18/1988 | EP0267416A2 Contactless transport device |
| 05/18/1988 | CN85101773B Vibrating motor with axle-type armature |
| 05/17/1988 | US4745589 Objective lens actuator having movements restricting control means for an optical head |
| 05/17/1988 | US4745503 Linear actuator for moving a recording/reading head in an access direction relative to a recording disc |
| 05/11/1988 | EP0266397A1 High speed precision drilling system. |
| 05/11/1988 | DE3735732A1 Stepping motor with a permanent-magnet phase |
| 05/10/1988 | US4743987 Linear actuator for a memory storage apparatus |
| 05/10/1988 | CA1236510A1 Integrally air cooled linear induction motor |
| 05/03/1988 | US4742255 Linear pulse motor |
| 04/27/1988 | EP0264534A2 Head actuator for use in a disc drive |
| 04/26/1988 | CA1235807A1 Particle free linear motor |
| 04/26/1988 | CA1235806A1 Read/write head positioning apparatus |
| 04/21/1988 | WO1988002948A1 Fluid circulated linear motor for robotic systems |
| 04/19/1988 | US4739241 Spherical motor particularly adapted for robotics |
| 04/13/1988 | CN87209396U Electromagnetic straight line motor moving step by step of confinement-type |
| 04/07/1988 | WO1988002572A1 Closed-loop linear position servomotor |
| 04/05/1988 | CA1234928A1 Computed tomography motor |
| 03/29/1988 | US4734621 Device for producing a sliding or traveling magnetic field, in particular for ionic processing under magnetic field |
| 03/29/1988 | US4734605 Linear driving mechanism |
| 03/22/1988 | US4733143 Linear motor |
| 03/22/1988 | US4731919 Centering mechanism for moving coil force motor |
| 03/15/1988 | US4731569 Apparatus for controlling a magnet in a magnetically suspended vehicle having a linear stator |
| 03/10/1988 | WO1988001562A1 Electric injection molding machine |
| 03/10/1988 | DE3728868A1 Small electric motor |
| 03/09/1988 | EP0258569A2 Electromagnetic positioning device |
| 03/08/1988 | US4730227 Disk file actuator with combined carriage rail and isolator mount for drive magnet |
| 03/02/1988 | EP0052343B1 Electric machine |
| 03/01/1988 | US4728837 Variable speed, variable motion, electrically operated vibrator for screening machinery |
| 03/01/1988 | US4728831 Damped voice coil actuator |
| 03/01/1988 | US4728830 Electric motor with magnetic enhancement |
| 03/01/1988 | US4728382 Method for the continuous production of a long stator linear motor |
| 03/01/1988 | US4727813 Linear induction propelled track guided runner |
| 02/25/1988 | DE3723979A1 Reluctance motor |
| 02/10/1988 | EP0255736A1 Automatic tool exchange apparatus |
| 02/10/1988 | CN86211024U 直线电动机 Linear motor |
| 02/02/1988 | US4723259 Computed tomography motor |
| 01/26/1988 | US4721873 Linear stepping motor |
| 01/12/1988 | US4719381 Electrical machines and apparatus for rotation around multiple axes |
| 01/07/1988 | EP0251350A2 Electric motor |
| 12/23/1987 | EP0250328A1 Linear motor for vehicles, in particular railway, cars with a gutter-shaped armature extending along the length of the vehicle |
| 12/22/1987 | US4714849 Linear stepping motor |
| 12/22/1987 | US4714214 Apparatus for producing biaxial tiltable support for a rotational body |
| 12/17/1987 | WO1987007784A1 Magnetically enhanced variable reluctance motor systems |
| 12/15/1987 | US4713570 Magnetically enhanced variable reluctance motor systems |
| 12/08/1987 | US4712028 Magnetically assisted stepping motor |
| 12/08/1987 | US4712027 Radial pole linear reluctance motor |
| 12/03/1987 | WO1987007454A1 Linear unit for handling devices |
| 12/03/1987 | WO1987007453A1 Linear unit |
| 11/25/1987 | EP0246927A1 Propulsion by permanent magnets |
| 11/24/1987 | US4709175 Linear pulse motor |
| 11/24/1987 | US4709174 Magnetic pole pieces for using in linear pulse motor |
| 11/18/1987 | CN87102996A Dc straight-line motor |
| 11/17/1987 | US4707754 Voice coil balanced actuator |
| 11/17/1987 | US4707642 Actuating device |
| 11/10/1987 | US4706007 Surface pulse motor |
| 11/10/1987 | US4705971 Linear resolver |
| 11/10/1987 | US4704789 Method of manufacturing electromagnetic members |
| 11/04/1987 | EP0243425A1 Current converter-fed synchronous machine with permanent magnet excitation. |
| 11/03/1987 | US4704712 Low-friction slide apparatus for optical disc translation stage |
| 11/03/1987 | US4704568 Linear induction motor transport system |
| 11/03/1987 | US4704553 Controlled electric drive device |
| 10/31/1987 | CN86210542U Linear pipe-type permanent magnetic synchro motor |
| 10/27/1987 | US4703297 Permanent magnet type linear electromagnetic actuator |
| 10/27/1987 | US4702555 Optical system drive for optical recording/reproducing apparatus |
| 10/22/1987 | WO1987006167A1 High speed precision drilling system |
| 10/21/1987 | EP0241875A2 Improved solid state commutated linear motor with an ironless multiphase armature |
| 10/13/1987 | US4700246 Disk drive with isolated voice coil motor magnet |
| 10/13/1987 | US4698876 Door apparatus partially supported by a magnetic mechanism |