Patents
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)
05/2005
05/31/2005US6900612 Stepping motor, stepping motor device and driving method thereof
05/31/2005US6900574 Stepping motor
05/31/2005US6900559 Rotor magnet, motor and stepping motor
05/26/2005US20050110457 Microscopic batteries for MEMS systems
05/26/2005US20050110364 Electromagnetic actuator and portable device having the same
05/26/2005US20050110356 Permanent magnet rotor and brushless motor
05/26/2005US20050110351 Motor
05/26/2005US20050108869 Method for manufacturing teeth of linear step motors
05/25/2005CN1203605C Electric machine
05/24/2005US6897579 Motor
05/12/2005US20050099082 AC motor having stator windings formed as loop coils, and control apparatus for the motor
05/10/2005US6891289 Electric motor
05/05/2005US20050093381 Electrical machine and method of manufacturing the same
05/05/2005US20050093380 Microscopic batteries for MEMS systems
05/05/2005US20050093377 Measure system for linear planar stepping motor
05/04/2005CN1612450A Stepping motor for scanning tunnel microscope
05/03/2005US6888277 Electro drive
04/2005
04/29/2005CA2486009A1 Electrical machine and method of manufacturing the same
04/26/2005US6885128 Low-profile stepping motor with two coils arranged flush with each other horizontally
04/14/2005WO2005033792A1 A shutter apparatus of camera
04/13/2005CN1606220A Multi-polar rotary machine
04/13/2005CN1606211A Permanent magnet type rotor and brushless motor
04/12/2005US6879071 Sealed motor
04/05/2005US6876109 Claw-pole type stepping motor having radial dimension reduced without detriment to performance characteristic
04/05/2005US6875003 Rotor and molding die for rotor
03/2005
03/31/2005US20050067903 Outer rotor type hybrid stepping motor
03/30/2005CN1601316A 调焦装置 Focusing device
03/29/2005US6873068 Stepping motor
03/24/2005WO2005026834A1 Sector drive mechanism
03/24/2005US20050063695 Focusing device
03/24/2005US20050062348 Multi-polar rotary machine
03/23/2005EP1517429A2 Electric multipolar machine
03/22/2005US6870291 Stepping motor
03/17/2005US20050058559 Fan motor
03/17/2005US20050057105 Stepping motor
03/16/2005CN1595776A 风扇电动机 Fan motor
03/16/2005CN1595775A 步进电动机 Stepper motors
03/15/2005US6867518 Sealed motor and method of employing same
03/10/2005WO2005022730A1 Electromagnetic actuator
03/10/2005WO2005022729A1 Electromagnetic actuator
03/10/2005WO2005022728A1 Actuator unit
03/10/2005WO2005022727A1 Stepper motor
03/09/2005EP1513242A1 Claw-pole type stepping motor
03/03/2005US20050046305 Claw-pole type stepping motor
03/01/2005US6861776 Stator structure of motor
03/01/2005US6861773 Stepping motor
02/2005
02/24/2005US20050040725 Bobbin, motor, and method of winding magnet wire
02/23/2005CN1190879C Small motor
02/17/2005WO2005015714A1 Electromagnetic actuator
02/16/2005CN2679917Y Deceleration stepper dynamo
02/09/2005CN1578061A 电机 Motor
02/09/2005CN1576625A 电动机 Electric motor
02/08/2005US6853160 Air conditioning valve actuator for a motor vehicle
02/03/2005US20050023918 Stepping motor
02/03/2005US20050023908 Stepping motor
02/02/2005CN1574564A Method of making rotors for hybrid stepping motor
02/02/2005CN1187878C Electric machine
02/01/2005US6849973 Stepping motor
01/2005
01/27/2005US20050017593 Bobbin and motor
01/25/2005US6847135 Unipolar transverse flux machine
01/18/2005US6844643 Motor device
01/13/2005US20050006960 Claw-pole type stepping motor having radial dimension reduced without detriment to performance characteristic
01/13/2005DE10327522A1 Weichmagnetische Legierung, Schrittmotor für eine elektrische Uhr mit einem Stator aus dieser weichmagnetischen Legierung sowie Quarzuhr Soft magnetic alloy, step motor for an electric clock with a stator from this soft magnetic alloy and quartz
01/12/2005EP1496598A2 Claw-pole type stepping motor having radial dimension reduced without detriment to performance characteristic
01/06/2005WO2005002030A1 Step motor
01/06/2005WO2005002029A1 Step motor
01/06/2005WO2005002028A1 Stepping motor and method of manufacturing the same
01/06/2005US20050001509 Two-or three-phase polyphase motor
01/05/2005EP1494339A1 Electromagnetic motor with double direction of rotation
01/05/2005CN1560987A Mixed excitation switch reluctance motor
01/04/2005US6838792 Low-profile stepping motor with two coils arranged flush with each other horizontally
12/2004
12/30/2004US20040263006 Stepping motor and method of manufacturing stepping motor
12/29/2004EP1492212A2 Soft magnetic alloy, stepping motor for an electric timepiece, such as a Quartz clock, with a stator made of such a soft magnetic alloy
12/29/2004CN2667789Y Single-phase permanent magnet eccentric type multi-pole rotor stepping motor
12/28/2004US6836035 Stepper motor for vehicle propulsion by direct wheel drive
12/23/2004US20040256932 Sealed motor and method of employing same
12/22/2004CN2666026Y Step motor with capacitive sensor for tunnel scanning microscope
12/16/2004DE10321966A1 Elektromotor mit Linearantrieb Electric motor with linear drive
12/09/2004US20040245887 Brush-less motor using vernier structure
12/01/2004EP1482626A1 Flat stepping motor
11/2004
11/30/2004US6825587 Rotor motor with a resin coil bobbin
11/25/2004US20040233792 Analog clock
11/25/2004DE20310683U1 Stepping motor for controlling flaps in air-conditioning installations on motor cars has a stator with extensions to be set into a retaining element
11/25/2004DE102004019945A1 Rotationsantriebsgerät Rotary drive unit
11/23/2004US6822351 Low-profile stepping motor with two coils arranged flush with each other horizontally
11/18/2004US20040227413 Electric motor for a linear drive system
11/17/2004CN2657276Y Improved structure of bearing mechanism for step-by-step motor
11/16/2004US6819212 Electromagnetic device
11/10/2004CN2655509Y Step motor
11/04/2004US20040217660 Low-profile stepping motor having coils wound rectangularly
11/04/2004DE10297002T5 Integrierter Positionsresolver für hybride synchrone Elektromotoren Integrated position resolver for hybrid synchronous electric motors
11/03/2004CN2653768Y Rotor structure improvement of step motor
11/03/2004CN1543045A Step motor and production method thereof
11/02/2004US6812599 Low-profile stepping motor with two coils arranged flush with each other horizontally
10/2004
10/28/2004US20040212341 Rotational driving apparatus
10/28/2004US20040212274 Motor
10/28/2004DE102004015542A1 Verfahren zum Herstellen von Spulenkernen für Schrittmotoren, und Formen und Jochsätze, die für derartige Verfahren verwendet werden A process for producing hubs for stepper motors, and shapes and Jochsätze used for such methods
10/28/2004DE102004015541A1 Schrittmotoren und Strömungsregelungsventile, die die Schrittmotoren aufweisen Stepper motors and flow control valves that have the stepper motors
10/27/2004EP1471620A2 Low-profile stepping motor having coils wound rectangularly
10/27/2004CN2652033Y Step-by-step motor
1 ... 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ... 36