| Patents for H01R 39 - Rotary current collectors, distributors, or interrupters (9,168) |
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| 06/07/1989 | CN2039080U Adjustment of motor brush pressure |
| 06/06/1989 | US4837473 Commutator |
| 05/31/1989 | CN2038676U Combined power transmission device |
| 05/30/1989 | US4835432 Brush holders with single spring |
| 05/30/1989 | US4835430 Commutator connection in an electric motor |
| 05/24/1989 | CN2038283U Electric socket member |
| 05/17/1989 | CN2037898U Short-circuit device for series jr and jr2 motors |
| 05/16/1989 | US4831302 Apparatus for monitoring the wear upon carbon brushes in electrical machines |
| 05/05/1989 | WO1989004073A1 Sliding contact arrangement for carbon brushes |
| 04/19/1989 | CN1032472A Brush device of d.c. electrical machine |
| 04/06/1989 | DE3731409A1 Electric motor, especially a small electric motor |
| 03/30/1989 | DE3830484A1 Sliding roof for vehicles |
| 03/30/1989 | DE3731079A1 Elektrohandwerkzeug mit einem universalmotor mit rechts- und linkslauf Electric hand tool with a universal motor with right and left running |
| 03/28/1989 | US4816712 Thrust compensation for flat-commutator starter |
| 03/07/1989 | CA1250884A1 Connection of tapered armature conductor to tapered commutator slot |
| 03/01/1989 | EP0305286A1 Medium frequency rotating joint for antenna |
| 03/01/1989 | EP0304528A2 Brush assembly in an electric motor |
| 02/22/1989 | EP0304154A2 An electrical connector |
| 02/22/1989 | EP0303731A1 Commutator for an electrical machine |
| 02/15/1989 | EP0302985A2 Holder for a contact carbon brush |
| 02/15/1989 | CN2032768U Cu coated fibre-graphite composite material electric brush |
| 02/09/1989 | DE3725402A1 Electrical machine, especially an electric motor |
| 02/01/1989 | EP0163744B1 Apparatus for rotatably supporting temperature probe |
| 02/01/1989 | CN1030853A Method of connecting armature winding to commutator segment |
| 02/01/1989 | CN1030852A Armature |
| 01/31/1989 | US4801833 Motor end cap |
| 01/25/1989 | CN1030673A Stainless steel collector ring |
| 01/24/1989 | US4800313 Long-life motor brush holder |
| 01/24/1989 | US4800312 Mounting for brushes of electric motors |
| 01/24/1989 | US4799957 Graphite and metal or halide |
| 01/17/1989 | US4799245 Integrated CT scanner gantry |
| 01/17/1989 | US4798540 Integrated CT scanner gantry |
| 01/17/1989 | CA1248714A1 Electrical hose swivel connector for canister vacuum cleaner |
| 01/12/1989 | DE3721891A1 Commutator for a DC machine |
| 01/10/1989 | CA1248595A1 Electrode roll for electric resistance welding |
| 01/10/1989 | CA1248574A1 Electric motors |
| 01/10/1989 | CA1248366A1 Silver rich materials for low current contacts |
| 01/05/1989 | DE3814542A1 Commutator for electrical machines |
| 12/29/1988 | WO1988009574A3 Roller electrodes for electric-resistance welding machine |
| 12/28/1988 | CA1247687A1 Brush cap for electric motor |
| 12/20/1988 | USRE32805 Rotatable electrical connector for coiled telephone cord |
| 12/20/1988 | US4792714 Commutator with non-uniform bars and equally spaced hooks |
| 12/20/1988 | US4792307 Electrical contact and terminal assembly |
| 12/13/1988 | US4791331 Brush assembly for electric commutator motors |
| 12/01/1988 | WO1988009574A2 Roller electrodes for electric-resistance welding machine |
| 11/29/1988 | US4788497 Apparatus for measuring motor rotation position and speed |
| 11/23/1988 | EP0292366A1 Brush holder plate, particularly for an electric engine |
| 11/23/1988 | EP0291823A2 Mounting for brushes of electric motors |
| 11/23/1988 | EP0291765A2 Carbon brush holder arrangement |
| 11/22/1988 | US4786835 Commutator winding end supports for electric machines |
| 11/15/1988 | US4785214 Brush rigging for dynamoelectric machines |
| 11/08/1988 | US4782580 Method of manufacture of slip ring assembly |
| 11/08/1988 | CA1244501A1 Electrical hose swivel connector for canister vacuum cleaner |
| 11/03/1988 | DE3812585A1 Commutator for an electric motor, and a reinforcing ring for it |
| 11/01/1988 | US4782261 Electric motor |
| 11/01/1988 | US4782207 Electrode roll |
| 10/27/1988 | DE3808658A1 Commutator and method for its production |
| 10/18/1988 | CA1243345A1 Ignition distributor for internal combustion engines |
| 10/05/1988 | CN87105182A Armature for electric motor |
| 10/04/1988 | US4774754 Displaceable brush holder for dynamoelectric machine assembly |
| 09/29/1988 | DE3808464A1 Kommutatorvorrichtung Commutator device |
| 09/27/1988 | US4774430 Brush assembly for electrical motors |
| 09/27/1988 | US4773866 Rotatable electrical connector |
| 09/22/1988 | DE3738504A1 Casing for carbon brushes |
| 09/21/1988 | EP0282671A1 A method of connecting an armature winding to a commutator segment |
| 09/21/1988 | EP0282670A1 An armature for an electric motor |
| 09/14/1988 | EP0282377A1 Electric motor gear unit, and method of assembling it |
| 09/07/1988 | WO1988006815A1 Brush device |
| 09/07/1988 | EP0280947A2 Rotary electrical connector |
| 09/06/1988 | US4769627 Armature coil commutator connector |
| 09/06/1988 | US4769566 Shallow cup-shaped miniature motor |
| 08/31/1988 | EP0280386A1 Commutator connection in an electric motor |
| 08/30/1988 | US4767957 Liquid metal collector for acyclic generator |
| 08/25/1988 | WO1988006353A1 Wall-mounted or flush-mounted extensible box-shaped electric socket |
| 08/17/1988 | CN87216440U Rotatable plug type incandescent lamp socket |
| 08/16/1988 | US4764700 Armature including integral cooling means |
| 08/16/1988 | US4764121 Rotary electrical connector |
| 08/09/1988 | US4763036 Commutator for a d. c. motor |
| 08/09/1988 | CA1240375A1 Rotatable electrical connector for coiled telephone cord |
| 08/04/1988 | DE3701507A1 Contact element for a rotatable electrical power transmission element, especially for cable reel devices |
| 08/02/1988 | US4761594 Device for detecting the condition of carbon brushes |
| 07/27/1988 | EP0276009A2 Device for indicating the wear condition of the brushes of an electrical machine |
| 07/26/1988 | US4760301 Commutator usable for an electric motor |
| 07/20/1988 | EP0274598A1 Acyclic generator with liquid metal current collectors having circulating current barriers |
| 07/20/1988 | EP0274484A1 Rotating shaft electrical connection |
| 07/19/1988 | US4758757 Vibration-damping device for miniature motor brushgear |
| 07/19/1988 | US4757602 Method for installing a collector ring assembly |
| 07/19/1988 | US4757601 Connection of tapered armature conductor to tapered commutator slot |
| 07/13/1988 | EP0274015A2 Improved liquid metal circulation in an acyclic generator collector |
| 07/06/1988 | EP0273134A2 Improved liquid metal collector for acyclic generator |
| 06/28/1988 | US4754184 Brush assembly for a dynamoelectric machine |
| 06/28/1988 | US4753600 Rotatable electrical connector |
| 06/22/1988 | EP0271973A1 An armature |
| 06/22/1988 | EP0271714A2 Electric motor with a commutation device to reverse the rotation |
| 06/22/1988 | CN87105183A Commutator |
| 06/16/1988 | WO1988004490A1 Armature of an electric motor |
| 06/15/1988 | EP0271175A1 A commutator |
| 06/15/1988 | EP0270807A1 Device for the transmission of electrical currents to rotating machine elements |
| 06/07/1988 | US4749899 Miniature rotary machinery with brushgear |
| 06/01/1988 | EP0269307A1 Condition indicator system for wearable elements |