| 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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| 10/26/2004 | US6809439 Stepping motor |
| 10/26/2004 | US6809438 Permanent magnet stepping motor having pole teeth misaligned by an electrical angle |
| 10/21/2004 | US20040208004 Direct current brushless vibration motor |
| 10/20/2004 | CN1538601A Valve drive device |
| 10/20/2004 | CN1172425C Electric motor |
| 10/19/2004 | US6806602 Electromechanical wheel brake device |
| 10/19/2004 | US6806599 Rotary actuating drive and rotary switch |
| 10/19/2004 | US6806597 Lead screw type stepping motor |
| 10/14/2004 | US20040201297 Housing of stepper motor |
| 10/13/2004 | EP1194999B1 Method for setting a polyphase electric stepper motor |
| 10/13/2004 | CN1537354A Brushless motor using vernier structure |
| 10/07/2004 | US20040195921 Permanent magnet stepping motor |
| 10/05/2004 | US6800970 Motor and optical apparatus using the same |
| 10/05/2004 | US6800969 Stepping motor |
| 10/04/2004 | CA2424790A1 Analog clock |
| 09/29/2004 | CN1533015A Method for producing motor and motor |
| 09/29/2004 | CN1533013A Motor assembly and its electric valve |
| 09/28/2004 | US6798987 Driving apparatus, light-amount regulating apparatus, and lens driving apparatus |
| 09/28/2004 | US6798093 Dual coil permanent magnet motor having inner annular member |
| 09/22/2004 | CN1531174A Step-by-step motor |
| 09/22/2004 | CN1530636A Assembling structure and method for pointer of instrument |
| 09/16/2004 | WO2004054068A3 Rotor for line-start reluctance motor |
| 09/16/2004 | US20040178685 Stepping motor |
| 09/15/2004 | EP1458082A1 Coil holding device for a stepping motor |
| 09/15/2004 | CN1166499C Power operated manjpulator |
| 09/14/2004 | US6791223 Stepping motor |
| 09/14/2004 | US6791220 Linear actuator |
| 09/08/2004 | CN2640115Y Direct drive mixed reluctance electric machine |
| 09/01/2004 | CN2637822Y Regular distance device of electronic product |
| 08/26/2004 | DE10305905A1 Electric motor e.g. for valve in internal combustion engine, has rotor poles with alternately opposed magnetic field directions, and defined ratio of number of stator poles to number of rotor poles |
| 08/25/2004 | EP1450138A2 Assembling structure for an indicating device with a pointer and assembling method |
| 08/24/2004 | US6781260 Permanent magnet type rotary machine |
| 08/19/2004 | US20040159281 Assembling structure of indicating needle for instrument and assembling method |
| 08/18/2004 | EP1064712B1 Multi-phase transverse flux machine |
| 08/18/2004 | CN2634722Y Permanent magnetic step motor with feedback winding |
| 08/18/2004 | CN1521921A 电动机 Electric motor |
| 08/11/2004 | EP1445851A2 Motor |
| 08/11/2004 | CN1520012A Exciting dynamo |
| 08/10/2004 | US6774513 Two-pole step motor for timepiece |
| 08/10/2004 | US6774512 Claw-pole permanent-magnet stepping motor |
| 08/04/2004 | CN2631113Y Improved thin step-by-step motor structure |
| 08/04/2004 | CN1518188A Reluctance motor and magnet of stator for reluctance motor |
| 07/29/2004 | US20040145269 Electric motor |
| 07/27/2004 | US6768242 Rotor structure of inner rotor type motor |
| 07/22/2004 | US20040141286 Electric motor |
| 07/22/2004 | US20040140730 Electric motor |
| 07/22/2004 | US20040140728 Stepping motor |
| 07/20/2004 | US6765321 Three-phase toroidal coil type permanent magnet electric rotating machine |
| 07/20/2004 | US6765320 Actuator |
| 07/15/2004 | US20040135448 Motor with built-in bearing |
| 07/13/2004 | US6762526 Multi-phase flat-type PM stepping motor and driving circuit thereof |
| 07/08/2004 | US20040129455 System and method for assisting with automatically connecting pipe joints with a horizontal boring machine |
| 07/01/2004 | US20040126106 Driving apparatus, light-amount regulating apparatus, and lens driving apparatus |
| 07/01/2004 | US20040124719 Actuator |
| 06/30/2004 | EP1434331A2 Motor with built-in bearing |
| 06/30/2004 | CN2622918Y Spiral teeth rotor of hybrid stepper motor |
| 06/24/2004 | WO2004054068A2 Rotor for line-start reluctance motor |
| 06/23/2004 | EP1432106A1 Actuator |
| 06/23/2004 | EP1430589A1 Two-or three-phase polyphase motor |
| 06/23/2004 | CN1507136A Small size precision step-by-step motor for vehicle |
| 06/16/2004 | CN1505241A Motor casing |
| 06/16/2004 | CN1504668A Motor-operated valve |
| 06/10/2004 | US20040108782 Motor having core structure wherein magnetic circuit is designed in three dimensional configuration |
| 06/09/2004 | CN2620424Y Case structure for improved step-by-step motor |
| 06/09/2004 | CN1153340C Step-by-step motor |
| 06/09/2004 | CN1153332C Monophase electromechanical transducer and electromechanical device including at least one such transducer |
| 06/08/2004 | US6747382 Motor |
| 06/08/2004 | US6747381 Shaft drive device |
| 06/03/2004 | US20040104627 Stepping motor |
| 06/03/2004 | US20040104626 Low-profile stepping motor with two coils arranged flush with each other horizontally |
| 06/02/2004 | EP1424765A1 Low-profile stepping motor with two coils arranged flush with each other |
| 06/01/2004 | US6744156 Stepping motor having a predetermined number of teeth corresponding to magnetically stable points per rotor rotation |
| 05/27/2004 | US20040100161 Low-profile stepping motor with two coils arranged flush with each other horizontally |
| 05/25/2004 | US6741006 Magnet type stepping motor |
| 05/19/2004 | EP1420507A1 Minature motor with permanent magnetic rotor |
| 05/19/2004 | EP1420506A1 Miniatur motor with permanent magnetic rotor |
| 05/19/2004 | EP1420503A1 Motor casing |
| 05/19/2004 | CN1497824A 电机 Motor |
| 05/19/2004 | CN1497823A 电动机 Electric motor |
| 05/19/2004 | CN1150570C Soft mangnetic film and method of manufacturing the same |
| 05/18/2004 | US6737778 Pulley driving system |
| 05/13/2004 | DE10251154A1 Switched permanent magnet electrical machine e.g. for servo drive, has stator provided with electromagnetic poles alternating with permanent magnet poles |
| 05/12/2004 | CN1149731C Stepping motor, Printing device using it or paper feeding device, and printer |
| 05/12/2004 | CN1149729C Motor |
| 05/05/2004 | CN1494195A Motor with core structure and 3-D structure magnetic circuit |
| 05/04/2004 | US6731027 Three-phase hybrid type stepping motor |
| 05/04/2004 | US6731025 Motor with linear and rotary motion |
| 04/29/2004 | WO2003028193A8 Two-or three-phase polyphase motor |
| 04/29/2004 | US20040080233 Low-profile stepping motor with two coils arranged flush with each other horizontally |
| 04/28/2004 | EP1414142A1 Low-profile stepping motor with two coils arranged flush with each other |
| 04/28/2004 | EP1414141A1 Low-profile stepping motor with two coils arranged flush with each other horizontally |
| 04/28/2004 | EP1414133A1 Motor casing |
| 04/27/2004 | US6727608 Claw-pole type stepping motor |
| 04/22/2004 | US20040075357 Unipolar transverse flux machine |
| 04/21/2004 | CN2613093Y Internal magnetic interference preventing structure for stepping motor |
| 04/20/2004 | CA2197526C Electromechanic transducer having multipolar permanent magnets |
| 04/14/2004 | CN1489265A Step-by-step motor and manufactring method thereof |
| 04/08/2004 | US20040066105 Self-bearing step motor and its control method |
| 04/06/2004 | US6717312 Defense vehicle aiming ordinance platform having variable reluctance motor |
| 04/01/2004 | US20040061388 Low-profile stepping motor with two coils arranged flush with each other horizontally |