Patents for H02K 41 - Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path (10,066) |
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09/26/1978 | US4117356 Rotor for stepping motor |
09/26/1978 | CA1039372A1 Circuit arrangement for a trackbound propulsion vehicle |
09/19/1978 | US4115712 High power and high speed linear motor |
09/12/1978 | US4114060 Electric motor |
08/22/1978 | CA1037110A1 Rectifier controlled electric rotating or traveling field machine |
08/15/1978 | US4107558 Linear induction motor assembly |
08/01/1978 | US4104548 Electric motor for general purposes (II) |
07/11/1978 | US4100558 Automatic-exposure control device for optical instruments |
07/04/1978 | US4099106 Composite pulse motor for a timepiece |
06/13/1978 | US4095150 Two-phase asynchronous motor |
05/02/1978 | US4087729 Position finely adjusting apparatus |
03/28/1978 | US4081774 Actuating device |
03/28/1978 | US4081726 Electric motor |
03/28/1978 | US4081702 Stepping motor |
03/14/1978 | US4079400 Optical blade drive apparatus |
03/07/1978 | US4077507 Metal sheet conveyor with linear electric motor and ground-effect shoe |
02/28/1978 | US4075948 Rapid transit system |
02/21/1978 | US4075539 Step-by-step reciprocating mechanism |
02/21/1978 | US4075517 Linear actuator |
02/14/1978 | US4074160 Rotary electric machines |
02/07/1978 | US4072315 Turntable direct-drive system |
12/27/1977 | US4064808 Armature rails and rail carrying arrangement for attraction type magnetically floated travelling body |
12/13/1977 | US4062767 Material handling system |
12/06/1977 | US4061089 Personal rapid transit system |
09/27/1977 | US4051499 Linear motor-driven focal plane shutter |
09/27/1977 | US4051398 Coil means for driving a linear motor |
09/20/1977 | USRE29411 Harmonic drive for digital step motor |
09/20/1977 | US4049983 Electromagnetic levitation |
08/23/1977 | US4044274 Transmission system |
08/09/1977 | US4040681 Magnetically levitated object |
08/02/1977 | US4039907 Thrust control circuit |
07/19/1977 | US4037122 Linear actuator |
06/14/1977 | US4029020 Magnetically levitated vehicle with module construction of suspension and propulsion means |
06/07/1977 | US4027597 Linear induction motor with damping cage |
04/26/1977 | US4020374 Superconducting electric motors |
04/26/1977 | US4020370 Electric motor for general purposes |
04/12/1977 | US4017001 Electromagnetic system for propulsion and programmed positioning |
04/05/1977 | US4016441 Linear motor |
04/05/1977 | US4015540 Electromagnetic transportation system |
03/22/1977 | US4013906 Electromagnetic levitation |
03/22/1977 | US4013014 Circuit arrangement for a track-bound propulsion vehicle |
03/15/1977 | US4012676 Device for driving recorders and printing carriages in data recorders |
02/01/1977 | US4006373 Staggered motor core |
02/01/1977 | US4006372 Transducer positioner |
12/21/1976 | US3999107 Self-starting synchronous motor |
12/14/1976 | US3996858 Linear solenoid motors |
11/02/1976 | US3990029 Insulated windings provided with a mould releasing material |
10/19/1976 | US3987473 Electromagnetic focal plane shutter |
10/19/1976 | US3987321 Linear induction converters |
10/05/1976 | US3984706 Electromagnetic actuator for voice coil |
07/27/1976 | US3971963 Electomagnetic rotary motion device and exposure control device using the same |
07/27/1976 | US3971537 Adjustable track mounting device in rail system for magnetic-suspension vehicles |
07/13/1976 | US3969574 Tubular player arm for an optical recording and reproducing device with drive coil and tachogenerator coil on other end |
07/06/1976 | US3967561 Linear-induction motor especially for high-speed suspension vehicles |
06/22/1976 | US3965377 Linear force generator |
06/15/1976 | US3963882 Boron or graphite reinforced voice coil and manufacturing process |
06/01/1976 | US3960090 Linear synchronous motor powered vehicle |
05/18/1976 | US3958138 Linear induction motors |
05/04/1976 | US3954064 Rapid transit system |
05/04/1976 | US3954037 Linear motor band saw |
04/13/1976 | US3950661 Linear induction motor with artificial transmission line |
03/02/1976 | US3942050 Linear motor winding |
02/24/1976 | US3940676 Damping control for positioning apparatus |
02/10/1976 | US3937431 Postioning apparatus for tracked transport vehicles with linear motor propulsion |
02/10/1976 | US3937149 Rail system for magnetic-suspension vehicles |
01/20/1976 | US3934183 Linear reluctance motor for the propulsion of rail transportation means |