| Patents for H01R 39 - Rotary current collectors, distributors, or interrupters (9,168) |
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| 12/15/1981 | US4306169 Current transfer brush |
| 12/15/1981 | CA1114438A1 Housing for power tools |
| 12/10/1981 | WO1981003584A1 A versatile electrical fiber brush and method of making |
| 12/09/1981 | EP0041148A1 Ball bearing with transfer of electric energy |
| 12/02/1981 | EP0041032A2 Apparatus for continuous production of electrical brush contacts |
| 11/25/1981 | EP0040266A1 Slip ring assembly for electric machines |
| 11/18/1981 | EP0040163A1 Method for manufacturing end commutators in electric motors |
| 11/18/1981 | EP0039994A1 A high voltage slip ring assembly |
| 11/11/1981 | EP0039657A1 Signal communicator |
| 11/11/1981 | EP0039656A1 Rotating conductor for transmitting an electrical signal from one member rotating relatively with respect to another member |
| 11/04/1981 | EP0038892A1 Insulated strand brushes for a dynamoelectric machine |
| 10/28/1981 | EP0038596A2 Removable brush holder with brush clamping device |
| 10/28/1981 | EP0038595A2 Removable brush holder for dynamoelectric machine |
| 10/27/1981 | US4297605 Brush assemblies for electric motors or generators |
| 10/21/1981 | EP0037913A1 X-ray apparatus adapted to transverse tomographic imaging |
| 10/20/1981 | US4296346 Brush holding apparatus for rotary electric machine |
| 10/20/1981 | US4296345 Flexible loop slip ring brush |
| 10/14/1981 | EP0037646A1 A rotary type electrostatic spray painting device |
| 10/13/1981 | US4294500 Rotary electrical junction assembly |
| 10/06/1981 | US4293805 Sensing and control apparatus for a commutator |
| 09/30/1981 | EP0036452A1 Brush arrangement for dynamoelectric machines |
| 09/30/1981 | EP0036419A1 Methods of coupling components for dynamo-electric machines. |
| 09/29/1981 | US4292560 Tachometer generator brush carrier |
| 09/29/1981 | US4292502 Helicopter deicer control system |
| 09/29/1981 | US4291456 Method of winding a commutator |
| 09/22/1981 | CA1109514A1 Brush apparatus |
| 09/15/1981 | CA1109110A1 Brush holder and slip ring assembly |
| 08/18/1981 | US4284918 Porous interface stabilized liquid metal current collector |
| 08/18/1981 | US4283841 Method of manufacturing a commutator |
| 08/11/1981 | CA1106893A1 Commutator for electrical machines |
| 08/04/1981 | US4282508 Electrical signal interconnection coupler |
| 08/04/1981 | US4281627 Ventilator of distributor for ignition of engine |
| 08/04/1981 | CA1106432A1 Liquid metal raceway current collector for high speed acyclic machines |
| 07/28/1981 | CA1106011A2 Aircraft brush module |
| 07/21/1981 | CA1105579A1 Electrical slip ring and brush ring assembly |
| 07/07/1981 | US4277708 Environment and brushes for high-current rotating electrical machinery |
| 06/25/1981 | WO1981001774A1 Improvement to rotating collectors with vertical axis |
| 06/24/1981 | EP0030896A1 Vertical-shaft rotating collectors |
| 06/23/1981 | US4275376 Electrical signal interconnection coupler |
| 06/09/1981 | US4272695 Brush wear indicator |
| 06/02/1981 | US4271336 Electrical slip ring and brush ring assembly |
| 05/27/1981 | EP0029375A1 Electrical sliding contact device having a multifibre brush and electrical rotating machine using such a device |
| 05/13/1981 | EP0028263A1 Method of connecting armature coil |
| 05/12/1981 | US4267476 Metal-solid lubricant brushes for high-current rotating electrical machinery |
| 05/12/1981 | US4267475 Current supply arrangement for electric machine rotor winding |
| 05/05/1981 | US4266155 Brush holder assembly |
| 05/05/1981 | US4266154 Permeable mesh current collector for DC machines |
| 04/16/1981 | WO1981001083A1 Methods of coupling components for dynamo-electric machines and assemblies formed by such methods |
| 04/14/1981 | US4261099 Method for making multi-element brushes |
| 03/18/1981 | EP0025152A1 Brush assembly and mounting arrangement for a portable tool |
| 03/03/1981 | US4254353 Brush holder |
| 02/25/1981 | EP0024121A1 Dynamo electric machine brush assembly |
| 02/24/1981 | US4252388 High power slip ring assembly |
| 02/24/1981 | CA1096440A1 Commutator motor brush force control |
| 02/17/1981 | US4250613 Method of assembling a commutator brush system |
| 02/11/1981 | EP0023537A1 Carbon brush with disconnection device |
| 01/27/1981 | US4247795 Commutator |
| 01/20/1981 | US4246508 Brush holder assemblies for small electric motors |
| 01/20/1981 | CA1094182A1 Aircraft brush module |
| 01/07/1981 | EP0022119A2 System of collectors for pipes in an orientable dwelling |
| 01/07/1981 | EP0021913A1 Face commutator for an electric machine, especially for automotive vehicles |
| 01/07/1981 | EP0021891A1 Face commutator for an electric machine, especially for automotive vehicles |
| 01/06/1981 | CA1093136A1 Brush system for an electric motor device and method of assembly |
| 12/23/1980 | US4241273 Compliant cage for raceway-type liquid metal current collector for high-speed acyclic machines |
| 12/23/1980 | US4241272 Novel liquid metal current collector configuration |
| 12/23/1980 | US4241271 Solid brush current collection system |
| 12/23/1980 | US4240830 Method for making sintered metal-coated graphite for high-current collector brushes |
| 12/09/1980 | US4238703 Brush device for a miniature electric motor |
| 11/25/1980 | US4236079 Tomographic scanning apparatus |
| 11/25/1980 | CA1090426A1 Microwave oven with rotatable food temperature sensing probe |
| 11/13/1980 | WO1980002481A1 Method of connecting armature coil |
| 10/28/1980 | CA1088610A1 Brush mounting for rotary electrical joint |
| 10/21/1980 | CA1088141A1 Electrically isolated brush holder |
| 10/14/1980 | US4228376 Brush device |
| 10/07/1980 | US4226917 Composite joint system including composite structure of carbon fibers embedded in copper matrix |
| 09/30/1980 | US4225759 High voltage distributor utilizing a high dielectric fluid medium |
| 09/23/1980 | US4224546 Purification of liquid metal current collectors |
| 09/23/1980 | US4224542 Small-sized motor with centrifugal governor switch |
| 09/23/1980 | US4224496 Method and apparatus for controlling a brazing machine |
| 09/03/1980 | EP0014738A1 Collector for an electrical machine |
| 09/02/1980 | US4220884 Carbon brush for motors and method of making the same |
| 09/02/1980 | CA1085008A1 Electrical current transfer between rotatable members |
| 09/02/1980 | CA1085007A1 Electrical current transfer between rotatable members |
| 08/26/1980 | US4219749 Housing for power tools |
| 08/20/1980 | EP0014334A1 Device for sequentially distributing electrical power to a plurality of load elements on a rotating member |
| 08/19/1980 | US4218073 Electrical connector arrangement for motor vehicle steering assembly |
| 08/12/1980 | US4217016 Rotary electric receptacle |
| 06/25/1980 | EP0012277A1 Carbon brush with insulated support and process for producing it |
| 06/24/1980 | US4209214 Movable electrical contact device |
| 06/24/1980 | US4209213 Brush holder and slip ring assembly |
| 06/17/1980 | US4208601 Distributor for electric D.C. machine |
| 06/11/1980 | EP0011676A1 Method of making a multi-elemental electrical contact brush |
| 05/27/1980 | CA1078445A1 Rotor for permanent magnet coreless motor |
| 05/20/1980 | US4204156 Apparatus for aligning brushes of a dynamoelectric machine |
| 05/13/1980 | CA1077594A1 Brush wear indicator |
| 05/06/1980 | US4201777 Carbonaceous bodies |
| 05/06/1980 | US4201430 Rotary feed for tomographic scanning apparatus |
| 04/08/1980 | US4197473 Voltage regulator and brush assembly |
| 04/08/1980 | CA1075295A1 Commutator rounding brush |
| 03/25/1980 | US4195242 Brush device |