| Patents for H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors (6,220) |
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| 05/20/1998 | CN1182505A Drive device with electric motor and relay switching the motor current |
| 05/19/1998 | US5753993 Adjusting apparatus for carbon brushes on an electric motor |
| 05/13/1998 | EP0639304B1 Inverse speed motor, especially a universal motor, with a braking device |
| 05/13/1998 | CN1181654A Low electric comb reacting X-shape magnetic circuit structure of d. c. motor |
| 05/12/1998 | US5751087 Armature winding offset angle excited and speed controlled rectifier type electric machine |
| 05/05/1998 | US5747910 Brushless motor |
| 05/05/1998 | US5747901 Electric motor and method of making the same |
| 04/29/1998 | CN2280381Y DC servo motor having sleeve rotor |
| 04/28/1998 | US5744891 DC motor brush assembly, method of producing the same and brush material sheet used therein |
| 04/28/1998 | US5744890 Brush structure for motor in which wear-related parameters of the brushes are varied to equalize brush wear |
| 04/23/1998 | DE19642665A1 Electric motor driven adjustment device esp. for adjusting vehicle seat |
| 04/22/1998 | CN2279743Y 电磁发动机 Electromagnetic engine |
| 04/21/1998 | US5742110 DC motor magnetic circuit configuration with high flux density |
| 04/15/1998 | EP0835200A1 Closure piece for a small metal pipe |
| 04/15/1998 | EP0835199A1 Plastics housing |
| 04/15/1998 | EP0835198A2 Mechanism housing |
| 04/15/1998 | EP0835197A1 Mechanism housing |
| 04/15/1998 | EP0835196A1 Drive mechanism |
| 04/15/1998 | CN1179027A Electric motor |
| 04/02/1998 | DE19708524A1 Elektromotor für Kraftfahrzeuge Electric motor for motor vehicles |
| 04/01/1998 | CN2277598Y Miniature disk electric machine |
| 03/31/1998 | US5734240 Bidirectional DC motor |
| 03/31/1998 | US5734219 Sliding brush system with shape memory alloy element for two-speed direct current motor |
| 03/25/1998 | EP0831573A2 Electric motor |
| 03/25/1998 | EP0831012A2 Motor-assisted power steering apparatus |
| 03/17/1998 | US5729070 Commutator assembly for small motor, method for producing the same, and commutator piece joint body for the small motor |
| 03/17/1998 | US5729064 Multi-pole electric motor with brush holder device having two terminal assemblies |
| 03/12/1998 | WO1998010506A1 Rotary electric machine |
| 03/12/1998 | WO1998010505A1 Dc motor with permanent magnet stator |
| 03/11/1998 | CN1175882A Vibrator holding device |
| 03/04/1998 | EP0826267A1 Drive device with an electric motor and a relay switching the motor current |
| 03/03/1998 | US5723932 DC motor with improved brushes and liquid pump using the same |
| 03/03/1998 | US5723929 D.C. Motor with primary and auxiliary magnetic poles |
| 02/18/1998 | CN1173761A Special d.c. electric motor |
| 02/17/1998 | US5719459 Electric motor for a steering mechanism |
| 02/10/1998 | US5717272 Brush support for rotating electric machine |
| 02/10/1998 | US5717270 Noise suppression capacitor arrangement on a rotor of an electric motor |
| 02/04/1998 | EP0822113A2 Control system for hybrid vehicle |
| 01/29/1998 | DE19629807A1 Kommutatormotor Commutator |
| 01/28/1998 | CN1037220C PMDC electric motor with magnet spacer |
| 01/28/1998 | CN1037219C Miniature motor |
| 01/22/1998 | WO1998002952A1 Dc motor |
| 01/22/1998 | DE19627854A1 Gleichstrommotor DC motor |
| 01/14/1998 | EP0818873A2 A miniature motor |
| 01/14/1998 | EP0818872A1 Geared motor with contact blade supporting plate |
| 01/07/1998 | CN1036967C Series-wond motor, in particular universal motor having braking device |
| 01/07/1998 | CN1036966C Stator for miniature motors |
| 01/02/1998 | DE19705161C1 Armature winding of brakable commutator motor e.g. for electric power tools, such as circular saws |
| 01/02/1998 | DE19624595A1 DC motor for directly-driven IC engine starter |
| 12/31/1997 | CN1169051A Permanent magnet stator of motor |
| 12/24/1997 | WO1997049163A1 A dc motor having a balancing effect |
| 12/17/1997 | EP0813288A1 Segmented armature winding for DC electric machine |
| 12/17/1997 | CN1168020A Slip-ring converting reluctance motor |
| 12/16/1997 | US5698921 Permanent magnet type motor |
| 12/16/1997 | US5698918 Small DC motor having a shield band |
| 12/11/1997 | DE19636519C1 Universal motor with braking device e.g. for electric power tools |
| 12/10/1997 | EP0812051A1 Resistance device, in particular for the electrical supply of an electromotor |
| 12/02/1997 | US5693993 Electric motor with rotation detecting mechanism |
| 11/26/1997 | EP0809344A1 Electric rotating machine using coil ends as a commutator |
| 11/25/1997 | US5691681 Method of producing a field magnet for a DC motor and a field magnet for a DC motor |
| 11/19/1997 | EP0807256A1 Device for measuring the rotation speed or detecting the direction of rotation of a rotary magnetic field |
| 11/19/1997 | CN1165425A Coreless motor |
| 11/12/1997 | CN2267574Y High power dc motor |
| 11/05/1997 | EP0805549A1 Circuit arrangement for operating an electric motor |
| 10/30/1997 | WO1997040572A1 Dc electric machine |
| 10/16/1997 | DE19637864C1 Bidirectional universal motor with supply-independent braking circuit esp. for handheld electrical drills |
| 10/15/1997 | EP0801458A2 Electric motor |
| 10/14/1997 | US5677587 Small motor having drive magnet with magnetization pattern for biasing rotor shaft |
| 10/14/1997 | US5677586 Commutation of a universal motor operating in brake mode |
| 10/08/1997 | CN1161591A Fixed shaft type vibration motor |
| 10/08/1997 | CN1161405A Starting and electric generating device for two-stroke internal combustion engine |
| 10/08/1997 | CN1036104C DC motor control circuit and DC motor |
| 10/07/1997 | US5675204 Permanent magnet dynamo-electric machine |
| 10/07/1997 | US5674169 Tunnel type or dragon-gate type processing system assembled with selected elements and its related interface means |
| 10/02/1997 | WO1997036367A1 Series motor, in particular universal motor, with braking means |
| 10/01/1997 | EP0798842A1 Magnet motor |
| 09/30/1997 | US5672922 For driving a hand tool |
| 09/25/1997 | DE19700074A1 Bidirectional universal motor esp. for hand-held drills and screwdrivers |
| 09/23/1997 | CA2017395C Flat coreless vibrator motor |
| 09/17/1997 | EP0708999B1 Driving device for an adjustable part of a vehicle |
| 09/04/1997 | WO1997032387A1 Method for making a wire-wound rotating part for an electrically driven machine |
| 09/03/1997 | EP0793331A1 Method for manufacturing a wound rotor of an electric machine |
| 09/03/1997 | EP0548362B1 Flat coreless dc motor |
| 08/28/1997 | DE19549482A1 Vehicle windscreen wiper seal fitted to base of wiper arm |
| 08/27/1997 | EP0776541A4 High torque dc electric motor with simultaneous battery charging system |
| 08/26/1997 | US5661354 High torque DC electric motor with simultaneous battery charging system |
| 08/21/1997 | DE19605523A1 Open frame electrical motor |
| 08/20/1997 | EP0790697A1 Electric machine tool with switching device for clockwise and anti-clockwise operation |
| 08/20/1997 | CN2260401Y Permanent magnetic motor for starting use |
| 08/20/1997 | CN1035708C Miniature motor and method of making same |
| 08/13/1997 | CN1156918A Shaft fixed vibration motor |
| 08/07/1997 | DE19620291C1 Axial-field high output DC machine operable as drive motor for vehicle |
| 07/30/1997 | CN1155780A Rotor of magnetic generator |
| 07/24/1997 | DE19701342A1 Brushless d.c. motor |
| 07/22/1997 | US5650677 Electric motor with breather |
| 07/16/1997 | EP0784370A1 Direct current electrical machine |
| 07/08/1997 | US5646467 Axial airgap DC motor |
| 07/03/1997 | DE19617947C1 Power supply circuit for motor minimising mains network reaction |
| 06/25/1997 | EP0784370A4 Direct current electrical machine |
| 06/25/1997 | EP0780277A2 Anti-lock braking system with six-pole pump motor |