| Patents for H01R 39 - Rotary current collectors, distributors, or interrupters (9,168) |
|---|
| 11/22/1977 | US4059776 Electric motor brush mounting |
| 11/08/1977 | US4056882 Method of making a dimensionally stable commutator |
| 10/25/1977 | US4055375 Electric contacting device |
| 10/04/1977 | US4052116 Swivel connector for an arc gouging torch |
| 09/27/1977 | US4051379 Axial tomographic apparatus and detector |
| 09/27/1977 | US4051343 Welding head for resistance - welding machine |
| 09/20/1977 | US4049351 Contact means for a weather resistance and solar radiation tester |
| 09/06/1977 | US4047063 Liquid metal slip-ring arrangement for a dynamo electric machine |
| 08/23/1977 | US4043621 Replaceable slip ring rotor |
| 08/09/1977 | US4041339 Dynamoelectric machine with brush holding structure |
| 08/09/1977 | US4040696 Electric device having rotary current collecting means |
| 08/09/1977 | US4040406 Ignition breaker point arrangement |
| 07/19/1977 | US4037125 Small-sized direct current rotary electric appliance |
| 07/19/1977 | US4035908 Method of manufacturing electric motor commutator |
| 07/05/1977 | US4034249 Commutator rounding brush |
| 05/31/1977 | US4027184 Pumped single-pass return liquid metal collector with reversed current path for acyclic machines |
| 05/31/1977 | US4027183 Liquid-gas phase separation for self-contained liquid metal current collectors |
| 05/31/1977 | US4026618 Low profile electrical male plug |
| 05/17/1977 | US4024525 Brush wear indicator |
| 05/17/1977 | US4023266 Process for preparing liquid metal electrical contact device |
| 05/10/1977 | US4022518 Electrical rotary coaxial connector |
| 05/03/1977 | US4021090 Ground wire connector |
| 04/19/1977 | US4019076 Electrical commutators and slip-rings |
| 04/05/1977 | US4015887 Lamp circuit connector for trailers |
| 02/22/1977 | US4008791 Takeup reel for combined hose and cable |
| 02/15/1977 | US4008410 Commutator for discoidal armature |
| 02/08/1977 | US4006954 Electrical contacting device |
| 01/25/1977 | US4005294 Ignition breaker point arrangement |
| 01/18/1977 | US4003616 Swivelling electrical connector |
| 12/28/1976 | US4000430 Contact brush |
| 12/21/1976 | US3999022 Electrical brush sensor apparatus useful for analog-to-digital converters |
| 12/21/1976 | US3998511 Full-circle contact electrical slip-ring brush |
| 12/14/1976 | US3997224 Electrical contacting device |
| 12/14/1976 | US3996660 Low voltage aluminum commutators |
| 12/07/1976 | US3996444 Apparatus for welding rolled seams |
| 12/07/1976 | US3996408 Carbon-graphite brushes for electric machines and method for manufacturing same |
| 11/02/1976 | US3989968 Pumped double-pass return liquid metal collector for acyclic machines |
| 10/26/1976 | US3988049 Apparatus for high speed rotation of electrically operated devices |
| 10/05/1976 | US3984715 Fluid contact for a DC machine |
| 10/05/1976 | US3984164 Electrical conductor arrangement including a rotating flexuous electrical contactor |
| 09/28/1976 | US3983432 Brush holder assembly |
| 09/28/1976 | US3983431 Low voltage aluminum commutators |
| 09/28/1976 | US3983358 Scanning device for TIG-spot welding of commutator segment lugs to taps on rotor winding |
| 09/14/1976 | US3980914 Brushes for rotating electric machines |
| 08/24/1976 | US3976903 Slip ring assembly for A.C. machines |
| 08/03/1976 | US3972577 Isobaric device with rotating electrical contacts |
| 07/27/1976 | US3971460 Apparatus for electrically connecting two conductors between two rotatable elements |
| 07/20/1976 | US3970882 Carbon brush assembly |
| 06/29/1976 | US3967148 Brush holder assembly |
| 06/22/1976 | US3964453 Internal combustion engine electric ignition breaker contact structure |
| 06/15/1976 | US3963449 Sintered metallic composite material |
| 06/15/1976 | US3963291 Swivel electrical connector |
| 05/25/1976 | US3959679 Means for inhibiting the formation of friction polymers on brush and slip ring assemblies |
| 05/18/1976 | US3958141 Face commutator |
| 05/18/1976 | US3957331 Swivel connector for electrical appliances |
| 05/18/1976 | US3957330 Electrical connections |
| 05/11/1976 | US3956602 Pre-gapped breaker point assembly |
| 05/04/1976 | US3955113 Brush holder with means for limiting travel of brush spring |
| 04/27/1976 | US3953095 Electric connection device having rotatable contacts |
| 04/20/1976 | US3951487 Electrical receptacle plug and socket |
| 04/13/1976 | US3950052 Swivelling electrical connection |
| 02/24/1976 | US3940644 Plural brush DC machine and commutator assembly |
| 02/24/1976 | US3940200 Electrical conductor arrangement including flexible race construction |
| 02/24/1976 | US3940199 Rotary contactor for thermocouples |
| 02/10/1976 | US3937543 Electrical swivel contact assembly |
| 02/10/1976 | US3937542 Electrical brush contact |
| 02/03/1976 | US3936117 Irrigation pivot stand construction |
| 01/20/1976 | US3933687 Method of manufacturing carbon brushes for electrical machines |