| 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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| 10/12/1994 | EP0619641A1 Stepper motor |
| 10/12/1994 | CN1093502A Method of manufacturing stator for stepping motor |
| 10/05/1994 | EP0618660A1 Method of manufacturing stator for stepping motor |
| 09/21/1994 | CN1092566A Electromagnetic motor, in particular of the stepping type, including a cage engaged within a stator |
| 09/01/1994 | WO1994019855A1 Field weakening for a doubly salient motor with stator permanent magnets |
| 09/01/1994 | CA2154491A1 Field weakening for a doubly salient motor with stator permanent magnets |
| 08/30/1994 | US5342180 Pump mechanism having a drive motor with an external rotor |
| 08/18/1994 | WO1994018745A1 Method for driving stepping motor of multiphase hybrid type |
| 08/18/1994 | WO1994018744A1 Method for driving stepping motor of multiphase hybrid type |
| 08/18/1994 | WO1994018743A1 Method for driving stepping motor of multiphase hybrid type |
| 08/18/1994 | WO1994018742A1 Method for driving stepping motor of multiphase hybrid type |
| 08/10/1994 | CN1090685A Manufacture of meter of stator of step-in-motor |
| 08/03/1994 | EP0608424A1 Rotary electric machine |
| 08/02/1994 | US5334894 Rotary pulse motor |
| 08/02/1994 | US5334893 Monophase electromagnetic rotary actuator of travel between 60 and 120 degrees |
| 07/28/1994 | DE4334482A1 Synchronous motor with perforated flux guides on outer part of stator |
| 07/27/1994 | EP0607828A1 Electromagnetic motor, in particular of the stepping type, comprising a cage engaged in a stator |
| 07/19/1994 | US5331246 Coil assembly retainer for electric motor |
| 07/19/1994 | US5331237 Stepping motor |
| 07/06/1994 | EP0605247A2 Coil assembly retainer for electric motor |
| 06/14/1994 | US5321330 Electromagnetic transducer with a multipolar permanent magnet |
| 05/31/1994 | US5315751 Method of fabricating a combined linear-rotary direct drive step motor |
| 05/26/1994 | WO1994005073A3 Electric fan motor |
| 05/24/1994 | US5315192 Three-phase hybrid type stepping motor |
| 05/18/1994 | CN1086934A Hybrid stepping motor, driving method for the same and coil vinding method for the same |
| 05/17/1994 | US5313125 Stepper motor with integrated assembly |
| 05/03/1994 | US5309051 Stepping motor with detent torque elimination |
| 04/26/1994 | US5306996 AC/DC stepped drive system |
| 04/19/1994 | US5304886 Printed circuit motor |
| 04/13/1994 | CN1085358A Polyphase electromagnetic transducer having a multipolar permanent magnet |
| 04/12/1994 | US5302875 Electromagnetic motor with two rotation senses particularly intended for a timepiece |
| 03/30/1994 | EP0589342A1 Multiphase electromagnetic transducer with a multipolar permanent magnet |
| 03/30/1994 | CN1084682A Step-by-step motor |
| 03/29/1994 | US5298825 Single phase electro-magnetic actuator with low obstruction |
| 03/29/1994 | US5298822 Stepper motor with integrated assembly |
| 03/23/1994 | EP0588478A2 Electric stepper motor |
| 03/03/1994 | WO1994005073A2 Electric fan motor |
| 03/03/1994 | DE4241966C1 Stepping motor for small rotary angles - has disc system with at least two coaxially arranged disks which can be pushed against each other. |
| 03/01/1994 | US5291084 Stepping motor having at least one set of asymmetric stator pole teeth |
| 02/23/1994 | EP0583530A1 Electric motor |
| 02/23/1994 | CN2157624Y Reversible permanent stepping motor for clock |
| 02/22/1994 | US5289065 Zero air gap orbiting gear stepper motor |
| 02/22/1994 | US5289064 Three-phase permanent magnet stepping motor |
| 02/02/1994 | EP0581612A1 A multi-phase hybrid stepper motor |
| 02/01/1994 | US5283495 Rotary actuator for determining a flow cross section of a by-pass line around a valve |
| 02/01/1994 | US5283487 Stator yoke |
| 02/01/1994 | US5283486 Stepping motor |
| 02/01/1994 | US5283485 Small-size motor and a process for manufacture and use thereof |
| 02/01/1994 | CA1326698C Modular electric motor |
| 01/20/1994 | WO1994001919A1 Fault-tolerant reluctance motor |
| 01/19/1994 | EP0579560A1 Stepping motor |
| 01/19/1994 | EP0379573B1 Resistance compensation in a motor using a thermally variable resistive network |
| 01/13/1994 | DE4222370A1 Fehlertoleranter Reluktanzmotor Fault-tolerant reluctance motor |
| 12/22/1993 | CN2150666Y Combined rotor differential stepper motor |
| 12/21/1993 | US5272401 Stepping motor design |
| 12/15/1993 | CN1023172C Multipolar stepping motor |
| 11/24/1993 | EP0571314A2 Redundant switched reluctance motor |
| 11/23/1993 | US5264772 Numerically controlled load actuating apparatus |
| 11/23/1993 | US5264747 Permanent magnet type stepping motor and adjusting method for minimizing its detent torque |
| 11/19/1993 | CA2086948A1 Redundant switched reluctance motor |
| 11/11/1993 | WO1993022822A1 Composite magnet stepper motor |
| 11/09/1993 | US5260616 Permanent magnet type stepping motor |
| 11/03/1993 | EP0568347A1 Stepping motor |
| 11/03/1993 | CN1078074A A miniature motor |
| 11/03/1993 | CN1078073A A miniature motor |
| 10/19/1993 | US5254892 Stepper motor with integrated assembly |
| 10/05/1993 | CA2032205C Method for stamping stepper motor laminations |
| 09/30/1993 | DE4209823A1 Stepper motor e.g. for instrument panel of motor vehicle - has rotor and stator in housing with stator coil connection pins protruding into sockets of mating clutch part |
| 09/21/1993 | US5247216 Stepper motor with integrated assembly |
| 09/14/1993 | US5245233 Electric stepping motor for two directions of rotation |
| 09/02/1993 | DE4206183A1 Stepper motor for quartz controlled watch or clock - has permanent magnets to ensure saturation of defined regions of stator independently of materials used in main magnetic circuit |
| 09/01/1993 | EP0558362A1 Monophase electromagnetic rotary actuator with a movement between 60 and 120 degrees |
| 08/31/1993 | US5239742 Method of manufacturing a motor |
| 08/25/1993 | EP0557123A1 Variable reluctance electric motor |
| 08/24/1993 | US5239218 Step motor and method for recording position signal of motor rotor |
| 08/24/1993 | US5239217 Redundant switched reluctance motor |
| 08/17/1993 | CA2009418C Multipole step motor |
| 08/11/1993 | EP0202337B1 Stepping motor |
| 08/10/1993 | US5234192 Rotational control device |
| 08/04/1993 | EP0553582A2 Dynamoelectric machine comprising sectors juxtaposed in the direction of movement and method of making such sectors |
| 07/28/1993 | CN1074787A Electromagnetic transducer with a multipolar permanent magnet |
| 07/07/1993 | EP0550102A2 Stepper motor with integrated threaded driving assembly |
| 06/24/1993 | WO1993012573A1 Doubly salient reluctance machines |
| 06/23/1993 | EP0547534A1 Electromagnetic transducer with a multipolar permanent magnet |
| 06/15/1993 | US5220224 Stepper motor with integrated assembly |
| 06/08/1993 | US5218251 Composite magnet stepper motor |
| 06/02/1993 | EP0544200A1 Hybrid synchronous machine with transverse magnetic flux |
| 05/26/1993 | EP0543105A1 Electromagnetic motor of the finite rotational type |
| 05/18/1993 | US5212417 Stepping motor for driving head carriage and disc drive unit comprising such motor |
| 05/06/1993 | DE4207978C1 Stepper motor suitable for mass prodn., e.g. for motor vehicle displays - has two coaxial coil units contg. rotor and each surrounded by stator systems |
| 04/29/1993 | WO1993008634A1 Rotary electric machine |
| 03/31/1993 | EP0533767A1 Direct current motor utilizing back electromotive force. |
| 03/24/1993 | CN1070272A Method for reversing hands of quartz watch by alternate double-peak pulses |
| 02/17/1993 | EP0527593A2 Direct vane actuator drive |
| 02/16/1993 | US5187400 Vibration-proof stepping motor with built-up stator |
| 02/10/1993 | EP0526660A1 Apparatus for controlling load numerically |
| 02/03/1993 | EP0525468A2 Method for controlling a stepping motor |
| 01/14/1993 | DE4121246A1 Stepper motor for motor vehicle dashboard displays - has electronic control unit cong. input filter, microprocessor, ROM, EPROM or EEPROM and drive stage |
| 01/05/1993 | US5177384 Stepping motor and carriage transport |
| 12/23/1992 | EP0519163A1 Wire-connecting configuration of a resin-molded electric motor |