| 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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| 03/01/1983 | US4375602 One lobed motor |
| 02/01/1983 | US4371821 Electromagnetic motor rotatable in either direction |
| 01/25/1983 | US4370578 Coil/core assembly with interference fit |
| 01/18/1983 | US4369385 Single-phase step micromotor |
| 01/12/1983 | EP0069630A2 Variable reluctance electric motor for the translatery movement of the control rods in a nuclear reactor |
| 01/11/1983 | CA1139344A1 Rotor assembly for electric stepping motor |
| 01/04/1983 | US4367049 Driving device especially for a timepiece |
| 01/04/1983 | CA1138926A1 Encoder for monitoring bidirectional motion |
| 12/15/1982 | EP0066866A1 Damping mass for stepping motors |
| 12/09/1982 | WO1982004363A1 Damping mass for stepping motors |
| 11/30/1982 | US4361790 Electromagnetic motor rotatable in either direction |
| 11/30/1982 | US4361772 Micro stepping motor for electronic watches |
| 11/16/1982 | US4359763 Floppy disc drive |
| 11/16/1982 | CA1135760A1 Stepping motor with permanent magnet in the stator |
| 11/16/1982 | CA1135759A1 Stepping motor with permanent magnet in the stator and rotor teeth arranged helically |
| 11/16/1982 | CA1135758A1 Stepping motor with permanent magnet in the stator |
| 11/11/1982 | WO1982003928A1 Stepping motor for quartz watch |
| 11/09/1982 | US4358694 Selectably positionable rotary transducers |
| 11/02/1982 | US4357568 Variable speed AC dynamo electric machine |
| 10/19/1982 | US4355249 Direct current motor having outer rotor and inner stator |
| 10/19/1982 | US4355248 Stepper motor |
| 09/08/1982 | EP0059183A1 Stepping motor, particularly for electronic watch |
| 09/07/1982 | US4348605 Electrical reluctance machine |
| 09/07/1982 | CA1131279A1 Electric step micromotor for time pieces |
| 08/31/1982 | US4347457 Permanent magnet type stepping motor |
| 08/31/1982 | US4347452 Micro-displacement device |
| 08/10/1982 | CA1129471A1 Adhesively bonded stator for stepper motor and method of manufacture |
| 08/03/1982 | US4342930 Step-by-step miniature motor for watch movement |
| 07/20/1982 | US4340828 Single phase stepping motor |
| 07/13/1982 | US4339679 Low-inertia high-torque synchronous induction motor |
| 07/08/1982 | WO1982002291A1 Diphased stepping motor |
| 06/22/1982 | US4336471 Stator assembly for stepping motor |
| 06/15/1982 | US4334749 Camera having an electromagnetically driven shutter |
| 06/01/1982 | US4333026 Stepping motor |
| 05/18/1982 | US4330727 Electric step motor |
| 05/18/1982 | US4330724 Stepping motor |
| 05/18/1982 | CA1123882A1 Stepper motor and adaptor ring |
| 05/11/1982 | US4329606 Electric motor construction |
| 05/11/1982 | US4329601 Stepping motor |
| 04/27/1982 | US4327299 Stepping motor |
| 04/13/1982 | US4324992 Electromagnetic motor |
| 04/13/1982 | CA1121751A1 Character print wheel with drive elements |
| 04/07/1982 | EP0048806A1 Stepper motor load tuning |
| 04/06/1982 | CA1121431A1 Combined linear and rotary electric motor and actuator |
| 03/30/1982 | CA1120986A1 Positioning means for limited rotation electric motor |
| 03/18/1982 | WO1982000929A1 Stepping motor,particularly for electronic watch |
| 03/09/1982 | US4318625 Stepper motor load tuning |
| 03/02/1982 | US4318017 Rotor assembly for electric stepping motor |
| 02/23/1982 | US4317188 Magnetic shielding plate for a step motor in an electronic wristwatch |
| 02/23/1982 | US4317187 System for mounting the coil of the motor in an electric watch |
| 02/09/1982 | US4315171 Step motors |
| 02/02/1982 | US4313676 Method of automatically adjusting a picture reproducing apparatus |
| 01/26/1982 | US4312119 Method of manufacturing stators for stepping motors |
| 01/19/1982 | US4311934 Off set stator laminations for small rotary transducers |
| 01/06/1982 | EP0043068A1 Stator device for a small motor, especially a claw-pole stepping motor |
| 01/06/1982 | EP0042912A2 Damping device for a stepping motor |
| 12/15/1981 | US4306164 Pulse motor |
| 11/10/1981 | US4299459 Diaphragm control circuit for camera |
| 10/28/1981 | EP0038744A1 Stepping motor, especially for an electronic watch |
| 10/28/1981 | EP0038739A1 Multipolar permanent magnet stepping motors |
| 10/06/1981 | US4293850 Temperature compensated rotary positioner |
| 09/15/1981 | US4289983 Encoder for monitoring bidirectional motion |
| 09/08/1981 | US4288709 High performance stepper motor |
| 09/01/1981 | US4287446 Stator for stepper motor |
| 08/25/1981 | US4286181 Stepping motor for rotary device |
| 08/25/1981 | US4286180 Variable reluctance stepper motor |
| 07/07/1981 | US4277704 Motor for electronic watch |
| 06/23/1981 | US4275426 Floppy disc drive |
| 06/16/1981 | CA1103305A1 Stepping motor excitation |
| 05/26/1981 | US4270066 Miniature motor for an electronic timepiece including a stator having a non-magnetic reinforcing ring |
| 05/12/1981 | US4267472 Single phase stepping motor, particularly for clocks |
| 05/12/1981 | CA1101035A1 High performance stepper motor |
| 04/28/1981 | US4264833 Stepping motor |
| 04/14/1981 | US4262353 Transducer for electronic timepiece |
| 04/07/1981 | US4260915 Permanent magnet step motor with a shiftable rotor |
| 04/01/1981 | EP0026002A1 Bipolar single-phase stepping motor with two directions of rotation |
| 02/10/1981 | US4250421 Rotor assembly for stepping motor |
| 01/07/1981 | EP0020991A1 Optically functioning encoder unit for controlling a bidirectional movement and its use in controlling stepping motors |
| 01/06/1981 | US4243900 Multiple stage miniature stepping motor |
| 01/06/1981 | CA1093134A1 Electromagnetic driving device |
| 12/30/1980 | US4242623 Miniature electric stepping motor |
| 11/25/1980 | CA1090404A1 Rotor for stepping motor |
| 11/18/1980 | US4234808 Stepping motor |
| 10/16/1980 | WO1980002203A1 Stepping polyphased motor for a clockwork mechanism |
| 10/07/1980 | US4227135 Step motor driving circuit |
| 10/07/1980 | US4227101 Stepper motor and adaptor ring |
| 09/17/1980 | EP0015764A1 Floppy disc drive assembly |
| 09/03/1980 | EP0015244A1 Process for manufacturing stators for stepping motors of electronic watches, and motor realized according to the process |
| 08/12/1980 | US4217509 Single phase stepping motor |
| 07/22/1980 | US4214194 Timing circuitry and method for a stepping motor |
| 07/15/1980 | CA1081756A1 Synchronous motor |
| 07/08/1980 | US4211992 Positioning means for limited rotation motor |
| 06/25/1980 | EP0012460A1 Unitary stator for a stepping motor for watches |
| 06/24/1980 | CA1080294A1 Stepping motor for timekeeping mechanism |
| 06/17/1980 | CA1079784A1 Linear actuator |
| 06/10/1980 | US4207483 Step motor with circumferential stators on opposite sides of disc-like rotor |
| 06/03/1980 | US4206377 Single phase stepping motor |
| 06/03/1980 | US4206376 Single phase stepping motor |
| 06/03/1980 | US4206375 Single phase stepping motor |
| 06/03/1980 | US4206374 Synchronous motor |