| Patents for H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors (6,220) | 
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| 02/03/1993 | EP0526092A1 Miniature electric motors | 
| 01/27/1993 | EP0524384A1 An electric motor including a connectable-disconnectable encoder comprising a hall-effect sensor arranged between the field poles of the stator | 
| 01/27/1993 | CA2073836A1 Electric motor including a connectable-disconnectable encoder comprising a hall-effect sensor arranged between the field poles of the stator | 
| 01/26/1993 | US5182589 Camera using film with magnetic recording portion having film feeding motor positioned to minimize the effect of noise therefrom | 
| 01/21/1993 | WO1993001644A1 Flat coreless dc motor | 
| 01/21/1993 | WO1992020131A3 Axial gap dual permanent magnet generator | 
| 01/13/1993 | EP0522819A2 Drive system for turbocharger with rotary electric machine | 
| 01/13/1993 | EP0522015A1 Method of making an electromagnetic transducer | 
| 01/12/1993 | CA1312646C Lightweight high power electromagnetic transducer | 
| 01/07/1993 | EP0521528A1 Electric motor, in particular windshield wiper motor of an automotive vehicle | 
| 01/07/1993 | EP0521155A1 Electric motor and process for producing it. | 
| 01/05/1993 | US5177054 Flux trapped superconductor motor and method therefor | 
| 12/30/1992 | EP0520191A2 Brush gear for a direct-current permanent-magnet motor | 
| 12/30/1992 | CN1019724B Miniature motor with worm reduction gear | 
| 12/29/1992 | US5175460 Flat yoke type DC machine | 
| 12/24/1992 | DE4120594A1 Commutator machine with weld seams extending along stator - improves winding utilisation by shorting of stator yoke with consequent weakening of magnetic field of armature | 
| 12/23/1992 | EP0519679A1 armature winding structure | 
| 12/22/1992 | US5172870 Method of winding an armature and armature produced by the method | 
| 12/16/1992 | CN1067140A Dc motor with squirrel-cage rotor | 
| 12/15/1992 | US5170851 Electric tool | 
| 12/09/1992 | EP0507967A4 Motor-wheel of a transport vehicle | 
| 12/08/1992 | US5170084 Wide-angle arc segment magnet and brush motor containing it | 
| 12/08/1992 | CA1311216C Flexible magnet for use in small dc motors and apparatus for making same | 
| 11/26/1992 | WO1992014927A3 Electric motor with fit-on pump | 
| 11/26/1992 | DE4116817A1 Small DC motor with adjustable brush holder - providing compression grip that allows relative movement w.r.t. motor body | 
| 11/18/1992 | CN1066347A Miniature motor | 
| 11/17/1992 | US5164625 Electric motor, especially a moisture sealed commutator motor, for driving an axially flange-mounted hydraulic pump | 
| 11/17/1992 | US5164623 Independent-drive wheel for a wheel-mounted vehicle | 
| 11/12/1992 | WO1992020131A2 Axial gap dual permanent magnet generator | 
| 11/11/1992 | EP0355144B1 Combined rotational speed/temperature measuring device | 
| 11/11/1992 | CN1066158A Normal timing type ac./dc. adjustable-speed motor | 
| 11/10/1992 | US5162684 Field magnet for miniature motors | 
| 11/10/1992 | CA1310056C2 Permanent magnet rotor assembly | 
| 11/04/1992 | EP0511776A2 A thermally protected electric motor | 
| 11/03/1992 | US5160868 Adjustable brush ac/dc servo motor | 
| 11/03/1992 | US5160867 Motor field assembly | 
| 10/27/1992 | US5158496 Travelling toy | 
| 10/27/1992 | CA1309450C Permanent magnet dynamo electric machine with a non-conducting stator substrate | 
| 10/21/1992 | EP0509683A2 Miniature motor | 
| 10/20/1992 | US5156535 High speed whirlpool pump | 
| 10/14/1992 | EP0508936A1 Flux-trapped superconductive motor and method therefor | 
| 10/14/1992 | EP0507967A1 Motor-wheel of a transport vehicle | 
| 10/14/1992 | CN2119044U Thermal protective motor | 
| 10/13/1992 | US5155403 Coil winding armatures and arrangement of parallel coils | 
| 10/13/1992 | CA1308771C Winding patterns for armatures | 
| 10/08/1992 | DE4111039A1 Motorised setting drive for valve - has incorporated electronic drive control for determining setting force and or setting rate | 
| 10/07/1992 | EP0507726A1 Superconducting brushless homopolar motor with multiple winding rotor | 
| 10/07/1992 | EP0506805A1 Power unit for vehicles. | 
| 10/07/1992 | CN1065161A Direct current machine with interpoles | 
| 10/04/1992 | CA2064982A1 Apparatus and method for aligning stacked laminations of a dynamoelectric machine | 
| 10/01/1992 | WO1992016993A1 Controlled motor | 
| 10/01/1992 | DE4110559A1 DC motor with armature e.g. for toy locomotive - has three-point armature with cylindrical casing of ferro-magnetic material arranged concentrically to runner axis and over toothed heads | 
| 10/01/1992 | DE4109729A1 DC motor fitted with magnet ring sectors for field excitation - has radially magnetised main pole on each side of which is vertically magnetised and has auxiliary pole forming turning field | 
| 09/30/1992 | EP0505476A1 Slotless, brushless, large air-gap electric motor | 
| 09/29/1992 | CA1308156C One-piece support and side cover structure for electric motors | 
| 09/17/1992 | DE4108386A1 Schaltbarer antrieb fuer elektrisch angetriebene fahrzeuge Switchable drive for electrically powered vehicles | 
| 09/17/1992 | DE4108074A1 Gesteuerter motor Controlled motor | 
| 09/16/1992 | EP0503868A1 Power tool with brush shifting and reversing switch assembly | 
| 09/15/1992 | US5148073 Wiring device in direct current machine | 
| 09/03/1992 | WO1992014927A2 Electric motor with fit-on pump | 
| 09/03/1992 | DE4106672A1 Electromotor with housing formed from deep-drawn metal plate - and having flanges at end face for fixing bearing shield | 
| 09/01/1992 | US5144183 Flat motor of reduced length | 
| 09/01/1992 | US5144179 Superconducting brushless homopolar motor with multiple winding rotor | 
| 08/27/1992 | DE4105349A1 Elektromotor mit angesetzter pumpe Pump electric motor with attached | 
| 08/25/1992 | US5142181 Direct current dynamo | 
| 08/25/1992 | US5141410 Motor-driven fuel pump | 
| 08/18/1992 | US5140205 Temperature control in an electric motor | 
| 08/13/1992 | CA2036195A1 Rotor/stator combination | 
| 08/11/1992 | US5138243 Switching device for the electric switching of electric tools | 
| 08/06/1992 | WO1992013381A1 Electric motor and process for producing it | 
| 08/04/1992 | US5136197 Reaction containment drive for power tool | 
| 07/29/1992 | EP0496075A1 Electric motor | 
| 07/29/1992 | CN2111589U Miniature neodymium iron boracium permanent-magnet direct current wiper motor | 
| 07/28/1992 | US5134351 Speed changing device for a multi-polar, constant flux electric motor, and a motorized ventilating fan unit equipped with such a device | 
| 07/23/1992 | DE4101368A1 Elektrischer motor und verfahren zu seiner herstellung Electric motor and process for its preparation | 
| 07/22/1992 | CN1063002A Independent-drive wheel for wheel-mounted vehicle | 
| 07/22/1992 | CN1062999A Method for winding coils on y-connection armature for miniature motors | 
| 07/21/1992 | US5132579 Slip ring with balanced center of gravity for use in detecting rotation of motor | 
| 07/14/1992 | US5130596 Armature of a rotary electric machine with a commutator and a conductor for the armature coil | 
| 07/09/1992 | DE4123902A1 DC generator with armature transverse field compensation - has compensation coil enclosed by slotted and pref. laminated rotor and wound on core which is fixed w.r.t. stator | 
| 07/07/1992 | US5128577 Brush arrangement for dc motor | 
| 07/01/1992 | CN2109016U Bar type motor | 
| 07/01/1992 | CN2109013U Permanent magnetic motor used armature reaction producing field excitation and flux | 
| 07/01/1992 | CN2109012U Dual magnetic electric machinery apparatus | 
| 06/24/1992 | CN1062245A Dc power saving motor | 
| 06/24/1992 | CN1062243A Permanent magnetic power motor | 
| 06/23/1992 | US5124602 DC motor unit with a rotational speed detector | 
| 06/17/1992 | EP0489940A1 Brush system for a commutator motor | 
| 06/17/1992 | CN2107723U Motor brush device | 
| 06/17/1992 | CN1062058A Method for winding coils on armature for miniature motors | 
| 06/16/1992 | US5123079 DC motor and controlling system therefor | 
| 06/10/1992 | EP0489077A1 Electric motor with watertight construction. | 
| 06/03/1992 | EP0488260A1 Electric motor | 
| 05/27/1992 | EP0486746A1 Flat motor of reduced length | 
| 05/26/1992 | US5115557 Method of connecting a conductor wire to a hook-shaped element | 
| 05/21/1992 | CA2032825A1 Flat motor of reduced length | 
| 05/20/1992 | CN2105136U Automotive rare-earth and permanent magnet motor for windscreen wiper | 
| 05/13/1992 | EP0484953A2 Method of winding armature of electric rotating machine | 
| 05/12/1992 | US5113104 Structured product dynamoelectric machine | 
| 05/06/1992 | EP0484305A2 High speed whirlpool pump |