| 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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| 12/17/1992 | DE4125779C1 Transverse flux reluctance electric machine - has passive rotor with field excitation from stator windings in form of circular coils coaxial with machine axis |
| 12/16/1992 | EP0456665B1 Dielectric motor |
| 12/10/1992 | WO1992022122A1 Low-cost stepping or synchronous motor |
| 12/08/1992 | US5170082 Ring-shaped magnetic sheet; teeth-shaped magnetic poles; corrosion protective nickel layer |
| 12/01/1992 | US5168187 Axial pole stepping motor |
| 11/19/1992 | EP0514176A2 Rotary pulse motor |
| 11/19/1992 | EP0513266A1 Rotating actuator |
| 11/19/1992 | EP0513264A1 Rotating actuator |
| 11/04/1992 | CN1065955A Electromagnetic motor with two rotation senses particularly intended for timepiece |
| 10/21/1992 | EP0509351A1 Electromagnetic motor having two rotation directions, in particular for timepiece |
| 09/30/1992 | EP0505595A1 Stepping motor for timepieces |
| 09/22/1992 | US5148895 Rotary actuator for variable damping force shock absorber |
| 09/17/1992 | WO1992016047A1 Apparatus for controlling load numerically |
| 09/16/1992 | EP0503490A2 Parking disc for an automotive vehicle |
| 09/16/1992 | CN1064572A Mini-step motor stator for electronic timer |
| 09/02/1992 | EP0501521A1 Brushless direct current motor for low speed |
| 08/26/1992 | EP0308423B1 Magnetically enhanced variable reluctance motor systems |
| 08/19/1992 | EP0371132B1 Electric drive |
| 08/11/1992 | CA1306127C Drive motor for camera lens assembly |
| 07/22/1992 | CN2110906U Display unit with stepping motor |
| 07/21/1992 | US5132603 Stepping motor |
| 07/21/1992 | US5132578 Stepping motor for timepiece |
| 07/21/1992 | US5131364 Throttle-valve connection |
| 07/14/1992 | US5130594 Electromagnetic motor |
| 07/07/1992 | US5128570 Permanent magnet type stepping motor |
| 06/25/1992 | WO1992010664A1 Rotating actuator |
| 06/25/1992 | WO1992010663A1 Rotating actuator |
| 06/23/1992 | US5124601 Steeping motor |
| 06/23/1992 | US5124599 Stepping motor for timepiece |
| 06/11/1992 | WO1992010024A1 Miniature motor |
| 06/09/1992 | US5121017 Stepping motor and manufacturing method thereof |
| 06/09/1992 | CA1303110C Aligning and protective cover for a motor |
| 06/03/1992 | EP0487761A1 Small motor, method of manufacture and use thereof |
| 06/02/1992 | CA1302472C Stepper motor and method of making the same |
| 05/26/1992 | US5117137 Stepping motor for use in a camera with multiple shutters |
| 05/26/1992 | US5117128 Motor with both stepped rotary and axial shift motions |
| 05/12/1992 | US5113102 Rotary motion transmitter and heat treatment method for sealed chamber |
| 05/12/1992 | US5113100 Energization coil device, a method of making such a device and an electromagnetic micromotor fitted therewith |
| 05/06/1992 | EP0484249A2 Permanent magnet type stepping motor and adjusting method for minimizing its detent torque |
| 05/06/1992 | EP0483890A1 Armature assembly |
| 04/29/1992 | EP0482321A1 A combined linear-rotary direct drive step motor |
| 04/14/1992 | US5105139 Brushless D.C. limited rotation rotary positioner |
| 03/17/1992 | US5097162 Variable angle stepper motor with spring magnet |
| 03/11/1992 | EP0474048A1 Stepping motor and method for driving the same |
| 03/11/1992 | CN2098755U 9-phase stepping motor and driver |
| 03/03/1992 | US5093596 Combined linear-rotary direct drive step motor |
| 01/29/1992 | EP0468763A1 Permanent magnet type stepping motor |
| 12/17/1991 | US5073735 Stepping motor having a molded housing |
| 12/12/1991 | WO1991020120A1 Direct current motor utilizing back electromotive force |
| 12/12/1991 | CA2083270A1 Direct current motor utilizing back electromotive force |
| 11/27/1991 | EP0458056A1 Electromagnetic motor |
| 11/26/1991 | US5068562 Small stepping motor |
| 11/21/1991 | EP0456665A1 Dielectric motor. |
| 11/13/1991 | CN1056195A Electromagnetic motor |
| 11/12/1991 | US5065061 Eiec tromagnetic actuator for valve stem |
| 10/22/1991 | US5059934 Cross-coil rotary magnet device |
| 10/22/1991 | US5059840 Stator assembly for a timepiece stepping motor |
| 10/16/1991 | EP0452252A1 Step motor for a time piece |
| 10/15/1991 | US5057732 Electric motor having a molded housing and connector plates projected thereon |
| 10/01/1991 | US5054009 Motor, in particular, for driving a clockwork |
| 09/25/1991 | EP0448515A1 Linear actuator |
| 09/24/1991 | US5051635 Ball-splined shaft assembly |
| 09/24/1991 | US5051633 Multipolar stepping motor |
| 09/18/1991 | EP0183854B1 Stepping motor |
| 09/18/1991 | EP0183792B1 Magnetically assisted stepping motor |
| 09/18/1991 | CN1054688A Energization coil device, method of making such device and electromagnetic micromotor fitted therewith |
| 09/04/1991 | EP0444539A1 Exciting coil set, method of fabricating the same and micromotor equipped therewith |
| 09/03/1991 | US5046154 Encapsulated armature and shaft assembly |
| 09/03/1991 | US5044237 Method for stamping stepper motor laminations |
| 08/27/1991 | US5043649 Stepping motor unit and rotary control valve incorporating the same |
| 08/27/1991 | US5043613 Built-up stepping motor |
| 08/14/1991 | EP0441046A1 Method for stamping stepper motor laminations |
| 08/13/1991 | US5039895 Motor arrangement having a coil |
| 07/24/1991 | EP0438301A1 Stepping motor |
| 07/24/1991 | CN1053328A Three-phase magnetic resistance motor |
| 07/16/1991 | US5032747 Stepping motor |
| 07/16/1991 | CA1286385C Variable reluctance position transducer |
| 07/03/1991 | EP0434885A1 Analog indicating module |
| 07/02/1991 | US5028857 Method of controlling a bi-directional stepping motor and a bi-directional stepping motor adapted to be controlled by this method |
| 06/26/1991 | CN2079828U Large-moment single-phase permanent magnet stepping motor for tower shape quartz clock |
| 06/06/1991 | DE3936662A1 Four-phase stepper motor with superimposed rotor windings - wound in opposite directions on each soft-iron axis carrying one pole magnetically aligned at alternate steps |
| 06/04/1991 | US5020211 Method for manufacturing a yoke for a stepping motor |
| 05/28/1991 | CA1284518C Reluctance motor having h-shaped stator cores |
| 04/23/1991 | US5010268 Electrical multi-pole machine |
| 04/23/1991 | US5010262 Strong magnetic thrust force type actuator |
| 04/23/1991 | CA1283442C System for driving drum |
| 04/10/1991 | EP0421558A2 A surgically implantable device |
| 04/10/1991 | EP0421557A2 Method and apparatus for indirect and external adjustment of the setting pressure of a shunt valve |
| 04/03/1991 | EP0420334A1 Variable angle stepper motor |
| 04/02/1991 | US5004941 Stepper motor with input connector array |
| 03/26/1991 | US5003261 Rotation detection circuit having input pulse signals for a step motor |
| 03/07/1991 | WO1991003098A1 Motor-wheel with variable reluctance step-by-step motor for low speed drive |
| 03/05/1991 | US4998034 Low speed high torque motor with production method |
| 03/05/1991 | CA1280898C Stepping motor and frame plate assembly for a wristwatch |
| 02/19/1991 | US4994721 Electric drive |
| 02/13/1991 | EP0412569A1 Built-up stepping motor |
| 02/12/1991 | US4992686 Single housing stepper motor |
| 02/05/1991 | US4990809 Variable reluctance motor |
| 02/05/1991 | US4990806 Pulse motor |
| 01/30/1991 | CN1048957A Miniaturized electromagnetic monophase actuator |