| Patents for H02K 37 - Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors (3,591) |
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| 10/29/2008 | CN101295910A Radial stepping motor |
| 10/28/2008 | US7443061 Driving device |
| 10/22/2008 | CN101291097A Permanent-magnet claw type stepping motor and assembling method thereof |
| 10/16/2008 | US20080252181 Small diameter stepping motor, bobbin used therein and manufacturing method thereof |
| 10/14/2008 | US7436090 Direct drive hybrid rotary motor |
| 10/09/2008 | US20080247861 Drive Unit In Particular For Use In Connection With Tank Cleaning Equipment |
| 10/09/2008 | DE102007016652A1 Upward and downward movable stepper motor for vehicle lamp, has pusher rod passed via elongated hole and channel of housing, and slotted hole arranged in coil in clockwise direction and coil in anti-clockwise direction |
| 10/02/2008 | US20080238265 Stepping motor and rotor |
| 10/02/2008 | US20080238220 Fault-tolerant permanent magnet machine with reconfigurable stator core slot flux paths |
| 10/01/2008 | CN101278466A Electromagnetic actuator |
| 10/01/2008 | CN101278465A DC motor with asymmetrical poles |
| 10/01/2008 | CN101277088A 电机的驱动电路 Motor drive circuit |
| 10/01/2008 | CN100422587C Clutch having a multiple pole electromagnetic actuator for transfer cases and the like |
| 09/25/2008 | US20080231124 Electro-magnetic circular engine |
| 09/25/2008 | US20080231123 Linear motor not requiring yoke |
| 09/18/2008 | US20080224574 Stepping motor and steel plate for manufacturing the stepping motor |
| 09/18/2008 | US20080224573 Step motor |
| 09/17/2008 | CN101267129A Stepping motor and steel plate for manufacturing the stepping motor |
| 09/11/2008 | US20080218109 Aperture driving apparatus and projection type image display apparatus |
| 09/10/2008 | EP1283764B1 Lift and turn drive unit |
| 09/10/2008 | CN201113752Y Single-phase, multi-pole stepping motor |
| 09/10/2008 | CN201113751Y Rotor structure of step-by-step motor |
| 09/10/2008 | CN201113750Y Motor structure |
| 09/10/2008 | CN101262164A Step motor |
| 09/10/2008 | CN100418292C Step motor and production method thereof |
| 09/10/2008 | CN100418289C Stator structure of motor |
| 09/04/2008 | US20080211355 Stepping motor |
| 09/04/2008 | US20080211354 Bearingless Step Motor |
| 09/03/2008 | EP1761991A4 Optimized alternator bobbin |
| 09/03/2008 | CN101258668A Reluctance motor |
| 09/03/2008 | CN100416991C Stepping motor and method of manufacturing same |
| 09/03/2008 | CN100416990C Method of calculating rotor teeth of composite step motor |
| 08/28/2008 | US20080203831 Magnetic Drive Apparatus |
| 08/26/2008 | US7417347 Skeleton type BLDC motor |
| 08/21/2008 | DE112006002546T5 Gleichstrommotor mit asymmetrischen Polen DC motor with asymmetric Poland |
| 08/20/2008 | CN100412596C Optical module and camera module |
| 08/19/2008 | US7412885 Vibrating gyro element, support structure of vibrating gyro element, and gyro sensor |
| 08/06/2008 | EP0978931B1 Control valve apparatus |
| 08/06/2008 | CN101237178A Step motor driving output device with step miss prevention |
| 08/06/2008 | CN101237167A Single protrusion permanent magnetic motor scheme |
| 08/05/2008 | US7408277 Step-by-step motor able to carry out up-and-down motion |
| 07/31/2008 | US20080179982 Transverse flux, switched reluctance, traction motor with bobbin wound coil, with integral liquid cooling loop |
| 07/31/2008 | US20080179977 Stepping motor and method of manufacturing the same |
| 07/31/2008 | US20080178589 Heat-pipe generator |
| 07/30/2008 | CN101232231A Stepping motor |
| 07/30/2008 | CN101232230A Axial direction split-phase biphase (four phase) hybrid type stepping motor |
| 07/30/2008 | CN100407560C 步进电动机及其制造方法 Stepper motor and its manufacturing method |
| 07/30/2008 | CN100407559C 步进电机 Stepper motor |
| 07/24/2008 | WO2008087068A1 Electrical machine, in particular synchronous motor with electrical commutation |
| 07/24/2008 | US20080174209 Stepping motor |
| 07/23/2008 | EP1947753A1 Rotary electric machine |
| 07/17/2008 | WO2008085520A1 The cleveland torque engine |
| 07/17/2008 | US20080169731 Rotor for hybrid step motor with smooth motion |
| 07/16/2008 | EP1142081B1 Multi-pole electric motor and method of producing the same |
| 07/16/2008 | CN101222171A 马达 Motor |
| 07/10/2008 | WO2008082285A1 Polyphase stepper electric motor |
| 07/10/2008 | US20080164784 Step-by-step motor able to carry out up-and-down motion |
| 07/10/2008 | US20080164778 Magnetic motor |
| 07/10/2008 | US20080164772 Machine for operation of electric generators and/or other machines (The Cleveland Engine) |
| 07/03/2008 | WO2008078607A1 Coil bobbin, actuator, and camera blade driving device |
| 06/26/2008 | US20080150399 Stepping motor |
| 06/25/2008 | CN201078835Y Stepping motor |
| 06/25/2008 | CN101207319A Double redundancy composite stepper motor |
| 06/18/2008 | CN201075811Y Structure of step-by-step motor |
| 06/18/2008 | CN101202492A Thread motor and playback device |
| 06/11/2008 | CN101198399A Permanent magnetic motor acting as a drive unit for an agitator |
| 06/11/2008 | CN101197523A Hybrid stepper motor with magnetism enhancement and cooling casing |
| 06/11/2008 | CN101197510A Single salient pole permanent magnetic paster bias magnetic motor scheme |
| 06/11/2008 | CN100394671C Reluctance motor and magnet of stator for reluctance motor |
| 06/10/2008 | US7385321 Motor having shifted teeth of pressed powder construction |
| 06/10/2008 | US7385320 Step motor |
| 06/10/2008 | US7385317 Linear motor not requiring yoke |
| 06/05/2008 | DE102007058214A1 Sandwich structure for e.g. stator iron core, of hybrid stepping motor, has iron cores connected with each other by fixing iron disks, where center of unevenness for fixing stator iron disk is present outside of circular surface |
| 06/04/2008 | EP1927179A1 Reluctance motor |
| 06/04/2008 | CN100392960C Permanent magnetic step-by-step motor |
| 06/04/2008 | CN100392959C 步进电机 Stepper motor |
| 05/27/2008 | US7378768 Stepping motor and method of manufacturing the same |
| 05/22/2008 | US20080115527 High capacity chiller compressor |
| 05/21/2008 | DE102007049813A1 Electric motor e.g. brushless direct current motor, has material layer made of fat arranged between connecting surfaces of interior and external stator parts, where interior stator parts are formed as package of soft-magnetic plate parts |
| 05/21/2008 | CN201063516Y Low-cost hybrid type stepping motor |
| 05/20/2008 | US7375446 Actuator including rotor case and housing with sealing unit for hermetic structure |
| 05/13/2008 | US7372179 Stepper motor having solenoid coils around end portions of stator poles |
| 05/08/2008 | US20080106158 Step motor |
| 05/02/2008 | WO2008051218A2 Permanent magnet reluctance machine and controller for using the same with a system |
| 05/01/2008 | US20080100173 Magnet Rotor, Movable Magnet-Type Instrument With The Magnet Rotor, And Stepping Motor With The Magnet Rotor |
| 04/24/2008 | US20080093942 Step-by-step motor able to carry out up-and-down motion |
| 04/23/2008 | CN101167234A Brushless motor |
| 04/17/2008 | WO2008045413A2 High capacity chiller compressor |
| 04/17/2008 | WO2007117731A3 Hollow core electric motor |
| 04/17/2008 | US20080088209 Stepping Motor |
| 04/15/2008 | US7358629 Electromagnetic actuator |
| 04/10/2008 | US20080084131 Stepping Motor |
| 04/10/2008 | US20080084127 Brushless motor |
| 04/10/2008 | US20080084125 Stepping Motor |
| 04/03/2008 | US20080079417 Method in connection with frequency converter |
| 04/02/2008 | CN201044410Y Stator set for stepping motor |
| 04/02/2008 | CN101154872A Fan system, electric motor, and claw-pole motor |
| 04/01/2008 | US7352089 Driving apparatus |
| 03/27/2008 | US20080074008 Low vibration hybrid step motor |
| 03/27/2008 | US20080073996 Motor stator |