Patents for H01F 7 - Magnets (20,067) |
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08/09/1989 | EP0326781A1 Printer drive |
08/09/1989 | EP0326572A1 Cylindrical permanent magnet with longitudinal induced field. |
08/09/1989 | EP0205469B1 Regulation of a magnet field |
08/08/1989 | US4855703 Multilayered-eddy-current type strong magnetic field generator |
08/08/1989 | US4855702 Linear electromagnetic actuator |
08/08/1989 | US4855700 Dual conversion force motor |
08/08/1989 | US4855680 Enhanced decoupling of MRI RF coil pairs during RF tuning of MRI RF transmit coil |
08/08/1989 | US4854282 Device for securing control magnets on injection pumps for diesel fuel |
08/08/1989 | CA1258246A1 Electromagnetic hammer actuator for impact printer |
08/02/1989 | EP0326088A2 Neodymium-boron-iron magnet assembly and method of making same |
08/01/1989 | US4853663 Passive shims for correction of (3,2) and (3,-2) harmonic terms in magnetic resonance magnets |
08/01/1989 | US4852490 Magnetic cylinder having rigid support for magnet cover |
07/26/1989 | EP0325351A2 Switchable MRI RF coil array with individual coils having different and overlapping fields of view |
07/26/1989 | EP0325313A1 Apparatus for generating a magnetic field in a processing space |
07/26/1989 | EP0324797A1 Nuclear magnetic resonance imaging system |
07/25/1989 | US4851959 Solenoid engagement sensing circuit |
07/25/1989 | US4851800 Electrical stop control for musical instruments and action magnet therefor |
07/25/1989 | US4851180 Magnetic coil arrangement for fusion reactors |
07/25/1989 | US4850724 Control circuit for dot matrix printing head |
07/19/1989 | EP0324423A2 Electromagnetic control device for cameras |
07/18/1989 | US4849727 Magnetic shield for a magnetic resonance magnet |
07/18/1989 | US4847985 Method for making a gradient coil |
07/18/1989 | CA1257644A1 Axisymmetric correction coil system for nmr magnets |
07/18/1989 | CA1257517A1 Electromagnetic injection valve |
07/13/1989 | DE3804011C1 Solenoid valve arrangement |
07/12/1989 | EP0323533A1 A method and apparatus for electromagnetically controlling the rotation of a movable element around its axis |
07/11/1989 | US4847726 Magnetic actuator |
07/11/1989 | US4847582 Magnetic gripping apparatus |
07/11/1989 | US4847581 Dual conversion force motor |
07/11/1989 | US4847579 Ferromagnetic resonator |
07/11/1989 | US4845837 Method of making permanent magnet assembly |
07/05/1989 | EP0323378A2 Oscillating mirror arrangement for the deviation of electromagnetic radiation |
07/05/1989 | EP0322985A1 Solenoid operated valve apparatus |
07/05/1989 | CN1033681A 电磁阀芯 Solenoid valve |
07/04/1989 | US4845699 Electric mechanical transducer and optical type pickup apparatus driven by a magnetic field |
07/04/1989 | US4845451 Electromagnet |
07/04/1989 | US4845392 Hybrid linear actuator |
07/04/1989 | US4844339 Fuel injection apparatus |
07/04/1989 | CA1256927A1 Bi- or monostable operation polarized electromagnet |
06/29/1989 | WO1989006063A1 Electric motor with stop with magnetic locking and thermal flap for spatial vehicle controlled by such a motor |
06/28/1989 | EP0322318A1 Electric motor having a stop member with magnetic locking, and thermal flap for a spacecraft controlled by such a motor |
06/27/1989 | US4843361 Electromagnet with permanent magnet held by a cage |
06/22/1989 | DE3805704C1 Electromagnetic single-surface brake |
06/21/1989 | EP0320861A2 Oxidation resistant compositions for use with rare earth magnets |
06/21/1989 | EP0214186A4 Cylindrical gradient core set for an nmr imaging system. |
06/21/1989 | CN2039871U Power saving device for electromagnet |
06/20/1989 | US4841407 Magnetic field generator having a plurality of coils for generating magnetic field in substantially the same space and method of driving the same |
06/20/1989 | US4841267 Deflection apparatus for cathode ray tube |
06/20/1989 | US4840700 Current streamline method for coil construction |
06/20/1989 | US4840417 Movable yoke-type lifting magnet device |
06/20/1989 | US4840163 Electromagnet, valve assembly and fuel metering apparatus |
06/14/1989 | EP0320285A1 Improvements in or relating to electrical coils |
06/13/1989 | US4839621 Electromagnetic actuator having improved dampening means |
06/13/1989 | US4839620 Solenoid actuated control cable |
06/13/1989 | US4839059 Compact, periodic, permanent magnet with high flux and minimal leakage; apertures, truncation |
06/13/1989 | US4838517 Pressure control valve |
06/07/1989 | EP0179911B1 Electromagnetic actuator apparatus |
06/06/1989 | US4837542 Hollow substantially hemispherical permanent magnet high-field flux source for producing a uniform high field |
06/06/1989 | US4837109 Mixing calcium or its hydride, neodymium fluoride, iron, boron, and flux; melting to reduce |
06/06/1989 | CA1255407A1 Telephone line interface option module |
05/31/1989 | EP0318257A2 Coil arrangements for magnetic resonance apparatus |
05/31/1989 | EP0318177A1 Moulded product |
05/31/1989 | EP0318131A1 Method and assembly for producing extruded permanent magnet articles |
05/31/1989 | EP0317853A1 Magnet assembly for a nuclear spin tomography apparatus with superconducting main-field coils and normally conducting gradient coils |
05/31/1989 | EP0317775A2 Balanced self-shielded gradient coils |
05/30/1989 | US4835655 Power recovery circuit |
05/30/1989 | US4835506 Hollow substantially hemispherical permanent magnet high-field flux source |
05/30/1989 | US4835505 Magnetic ring for detecting the rotation of an object |
05/30/1989 | US4835504 Block for correcting magnetic-field homogeneity and a magnet fitted with blocks of this type |
05/30/1989 | US4835503 Linear proportional solenoid |
05/30/1989 | US4835425 Linear motor |
05/30/1989 | US4835137 Periodic permanent magnet structures |
05/30/1989 | US4834295 Fuel atomisation and metering valve for a fuel injection device of an internal combustion engine |
05/30/1989 | US4833980 High efficiency coil posts for print hammer actuators |
05/30/1989 | US4833773 Method for making search coil assembly for metal detectors |
05/24/1989 | EP0317365A2 Solenoid valve control circuit |
05/24/1989 | EP0158643B1 Electromagnetically operated hydraulic valve device with snap-together valve housing |
05/23/1989 | US4833410 System of coils for producing magnetic field gradients of very uniform polarization in an imaging or spectroscopy installation by NMR |
05/23/1989 | US4833352 Linear inductive transducer |
05/23/1989 | US4833351 Muliple axis actuator |
05/23/1989 | CA1254618A1 Magnetic resonance imaging apparatus including a bird- cage r.f. coil |
05/17/1989 | CN2037864U Coil type electromagnet for power-failure self-protection |
05/16/1989 | US4831351 Periodic permanent magnet structures |
05/16/1989 | US4830286 Electromagnetically actuatable valve |
05/16/1989 | US4829947 Variable lift operation of bistable electromechanical poppet valve actuator |
05/16/1989 | CA1254257A1 Solenoid construction and method for making the same |
05/11/1989 | DE3836513A1 Electromagnetic control device |
05/11/1989 | DE3737133A1 Homogeneous field magnet with profiled pole plates |
05/10/1989 | EP0315382A2 Enhanced decoupling of MRI RF coil pairs during tuning of MRI RF transmit coil |
05/09/1989 | US4829277 Ring comprising segments |
05/09/1989 | US4829276 Optimal periodic permanent magnet structure for electron beam focusing tubes |
05/09/1989 | US4829275 Method and means for providing consistent operation of a solenoid actuator |
05/05/1989 | WO1989004049A1 Magnet assembly |
05/02/1989 | US4827236 Apparatus for simultaneously generating an intense toroidal magnetic field and an intense poloidal magnetic field quasi-stationarily in time |
05/02/1989 | US4827235 Magnetic field generator useful for a magnetic resonance imaging instrument |
05/02/1989 | US4827230 Magnet design for ferromagnetic resonators |
05/02/1989 | US4826130 High-speed solenoid valve with polymer film lubricant |
05/02/1989 | US4825526 Magnetic fastener |
05/02/1989 | CA1253539A1 Polarized electromagnetic actuator device |
04/25/1989 | US4825160 Method and device for MR tomography |