Patents for H02K 25 - Dc interrupter motors or generators (243)
11/1985
11/27/1985EP0162164A2 Magnet structure
09/1985
09/17/1985US4542361 Permanent magnet field diverted to do useful work
06/1985
06/18/1985US4524293 4-Pole electric motor
05/1985
05/14/1985US4517477 Magnetic motor
12/1984
12/04/1984US4486675 Direct current magnetic motor
11/1984
11/14/1984EP0124518A1 Permanent magnet motor with multiple disc rotor
07/1984
07/03/1984US4458167 D. C. Electric motor with improved stator and rotor structure
05/1984
05/10/1984WO1984001862A1 Permanent magnet motor with multiple disc rotor
04/1984
04/25/1984EP0106595A2 Multi-function machine tooling
04/11/1984EP0105058A1 A driving apparatus useful in a movable toy
10/1983
10/12/1983EP0091125A1 Permanent magnet electrical motor
04/1983
04/13/1983EP0076694A2 4-Pole electric motor
04/05/1983US4379257 Dynamo electric machines
02/1983
02/08/1983CA1140984A1 Direct current motor with a dipole stator
11/1982
11/09/1982US4358693 Permanent magnet motor
11/02/1982US4357568 Variable speed AC dynamo electric machine
11/02/1982US4357551 D.C. Impulsion motor
10/1982
10/19/1982US4355249 Direct current motor having outer rotor and inner stator
08/1982
08/31/1982US4347453 Direct current motor with magnetic coupling
02/1982
02/02/1982US4314169 Magnetic motor
01/1982
01/20/1982EP0043885A1 Electric current generating motor
01/06/1982EP0042884A1 Electromagnetically excited magnet motor
11/1981
11/11/1981EP0039649A1 Electric direct current motor
11/10/1981CA1112276A1 Direct current motor having outer rotor and inner stator
09/1981
09/29/1981US4292553 Apparatus for generating mechanical energy responsive to interaction of magnetic fields
09/22/1981US4291248 Electric motor
07/1980
07/22/1980US4214178 Rotating electromagnetic solenoid motor
12/1979
12/04/1979US4177395 Actuators
10/1979
10/02/1979US4169983 Multi-rotor, direct current electric motor
02/1979
02/27/1979US4142119 Rotary electric device
01/1979
01/02/1979US4132911 Electric motor with permanent magnets combined with electromagnets
09/1978
09/12/1978US4114057 Dynamoelectric machine with inner and outer stators
08/1978
08/01/1978US4104548 Electric motor for general purposes (II)
05/1978
05/23/1978US4091313 Current recycling electric motor system
12/1977
12/20/1977US4064442 Electric motor having permanent magnets and resonant circuit
05/1977
05/24/1977US4025807 Electromagnetic motor
04/1977
04/26/1977US4020370 Electric motor for general purposes
03/1977
03/29/1977USRE29165 Electromotive device including magnetic shield interacting with permanent magnet pole faces
11/1976
11/09/1976US3991331 Commutating structure for DC machines
09/1976
09/28/1976US3983426 Method and means of utilizing magnetism to achieve rotation of a drive shaft
09/14/1976US3979821 Method of manufacturing rare earth permanent magnet rotor
06/1976
06/08/1976US3962593 Electromagnetic motor
02/1976
02/10/1976US3937993 Commutating structure for DC machines
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