| Patents for H01F 7 - Magnets (20,067) |
|---|
| 04/25/1989 | US4823825 Method of operating an electromagnetically actuated fuel intake or exhaust valve of an internal combustion engine |
| 04/25/1989 | CA1253190A1 Actuator usable in a fluid under high pressure |
| 04/20/1989 | WO1989003606A1 A reinforced permanent magnet device |
| 04/20/1989 | WO1989003580A1 Bobbin, magnet including such bobbin, imaging device by nmr comprising such a magnet and method for making such a magnet |
| 04/20/1989 | WO1989003579A1 Circuit arrangement for accelerating the supply to an electromagnetic consumer |
| 04/20/1989 | DE3734415A1 Schaltungsanordnung zur beschleunigung der versorgung eines elektromagnetischen verbrauchers Circuit arrangement for the supply of an electromagnetic acceleration consumer's |
| 04/19/1989 | EP0311998A1 Circuit for the impulse-rate feeding of armoured electromagnets and electromagnets fed by such circuit |
| 04/19/1989 | CN2036304U Mechanical locking type pulse electromagnet |
| 04/18/1989 | US4823101 Method of manufacturing a bitter type coil and a solenoid magnet obtained thereby |
| 04/12/1989 | EP0311294A2 Magnet systems |
| 04/11/1989 | US4820985 Apparatus for tuning an NMR field coil |
| 04/11/1989 | US4819321 Method for making the search coil assembly for metal detectors |
| 04/06/1989 | WO1989002804A1 Forged body |
| 04/05/1989 | EP0310212A2 Magnetic resonance imaging system and method of manufacturing thereof |
| 04/05/1989 | EP0309577A1 A method of making an integrally shielded Mr magnet. |
| 04/05/1989 | CN1003822B Electromagnetic actuator |
| 04/04/1989 | US4818966 Magnetic field generating device |
| 04/04/1989 | US4818305 Process for the production of elongated articles, especially magnets, from hard powdered materials |
| 04/04/1989 | US4817876 Electromagnetically actuatable valve, in particular fuel injection valve |
| 04/04/1989 | US4817706 Liquid cooling type uniform magnetic field coil |
| 03/30/1989 | DE3730523A1 Verfahren und einrichtung zur detektion der schaltzeiten von magnetventilen Method and device for the detection of the switching times of solenoid valves |
| 03/28/1989 | US4816796 Permanent magnet device |
| 03/28/1989 | US4816766 Surface coil for examination using a nuclear magnetic resonance apparatus |
| 03/28/1989 | US4816707 Limited angle torque motor with wide rotation poles |
| 03/28/1989 | CA1251823A1 Electromagnet system with protection against overheating |
| 03/28/1989 | CA1251822A1 Electromagnet system for influencing a dipper armature |
| 03/23/1989 | WO1989002648A1 Process and device for detecting the switching times of electrovalves |
| 03/23/1989 | DE3821796A1 Rotating armature electromagnet |
| 03/22/1989 | EP0307432A1 System of permanent magnets for a strong magnetic field. |
| 03/21/1989 | US4814937 Defect detector circuit for inductive load driving circuit |
| 03/21/1989 | US4814734 Search coil assembly for metal detectors |
| 03/21/1989 | US4814732 Magnetic latching actuator |
| 03/21/1989 | US4813729 Magnetic retrieval tool |
| 03/16/1989 | DE3729615A1 Electrical coil and a method for its production |
| 03/15/1989 | EP0307072A2 Vessel for a magnetic resonance imaging magnet system |
| 03/15/1989 | EP0225388B1 Electromagnetic actuator |
| 03/15/1989 | CN1003612B Radio-frequency coil for nmr |
| 03/14/1989 | US4813007 External magnetic field generating device |
| 03/14/1989 | US4812884 Three-dimensional double air gap high speed solenoid |
| 03/14/1989 | US4812795 Electromagnetic devices having selectively movable core winding |
| 03/14/1989 | US4812765 Method of adjusting the homogeneity correctors of the magnetic field created by a magnet |
| 03/14/1989 | US4812690 Solenoid actuators |
| 03/09/1989 | DE3729183A1 Circuit for operating a magnetically actuated valve |
| 03/08/1989 | EP0306456A1 Fine driving gear for a laser tool |
| 03/08/1989 | EP0305830A2 MRI QD RF coil having diode switched detuning circuit producing reduced artifact |
| 03/07/1989 | USH591 Method of manufacturing of a magic ring |
| 03/07/1989 | US4810987 One piece molded magnet enclosure |
| 03/07/1989 | US4810986 Local preservation of infinite, uniform magnetization field configuration under source truncation |
| 03/07/1989 | US4810985 Electromagnet for valves |
| 03/07/1989 | US4810968 Magnetic resonance imaging apparatus comprising a pin diode uncoupled detection coil |
| 03/07/1989 | US4810914 Linear actuator with multiple closed loop flux paths essentially orthogonal to its axis |
| 03/07/1989 | US4809742 Control valve assembly including valve position sensor |
| 03/01/1989 | EP0304745A1 Fast solenoid valve, particularly a fuel injection pilot valve for diesel engines |
| 03/01/1989 | EP0304744A1 Fast solenoid valve, particularly a fuel injection pilot valve for diesel engines |
| 03/01/1989 | EP0304420A1 Electromagnetic switching device |
| 02/28/1989 | US4808957 Magnetic shield apparatus |
| 02/28/1989 | US4808956 Coreless solenoidal magnet |
| 02/28/1989 | US4808955 Moving coil linear actuator with interleaved magnetic circuits |
| 02/28/1989 | US4808306 Apparatus for magnetically treating fluids |
| 02/22/1989 | EP0304188A2 A method of determining coil arrangement of an actively shielded magnet E.G. for magnetic resonance imaging |
| 02/22/1989 | EP0304127A1 Magnetic resonance apparatus comprising a low noise gradient coil |
| 02/22/1989 | EP0304126A1 Magnetic resonance apparatus comprising an improved gradient coil system |
| 02/21/1989 | US4806971 Magnet for use in a magnetic brush development apparatus |
| 02/21/1989 | US4805870 Coil retainer for solenoid |
| 02/15/1989 | EP0303054A2 Electromagnetic drive and polarized relay |
| 02/14/1989 | US4804934 Adjustment member for performing a mechanical rotational movement |
| 02/08/1989 | EP0302524A2 Winding holder for electromagnetic brakes or clutches |
| 02/07/1989 | USRE32860 Solenoid construction and method for making the same |
| 02/07/1989 | US4803506 Electromagnetic control device for cameras |
| 02/07/1989 | US4802776 Print head having a wear resistant rotational fulcrum |
| 02/07/1989 | US4802702 Magnetic lifting tool |
| 02/07/1989 | US4802523 Blanket shade for window frame |
| 02/02/1989 | DE3734037C1 Solenoid valve for controlling the idling speed of an internal combustion engine |
| 02/01/1989 | EP0301673A2 A multilayered-eddy-current-type strong magnetic field generator |
| 02/01/1989 | EP0301620A2 Electromagnetically controlled fuel injector for feeding fuel to internal combustion engines |
| 02/01/1989 | CN1003199B Polarized electromagnetic actuator device |
| 01/31/1989 | US4801911 Selective magnetic lifting system |
| 01/31/1989 | US4801910 Magnetic actuating mechanism |
| 01/31/1989 | CA1249625A1 Electromagnetic actuator mechanism in particular for print hammer drives |
| 01/26/1989 | WO1989000766A1 Device for cooling a resistive magnet |
| 01/26/1989 | DE3822928A1 Load-bearing magnet |
| 01/26/1989 | DE3723712A1 Device having a plurality of electrical units, especially solenoid valves |
| 01/25/1989 | EP0300594A1 Magnet positioning apparatus |
| 01/25/1989 | EP0300407A1 An electromagnet |
| 01/25/1989 | CN1030667A Electromagnet with permanent magnet held by a cage |
| 01/24/1989 | US4800355 Electromagnet having magnetic shield |
| 01/24/1989 | US4800353 Micropole undulator |
| 01/18/1989 | EP0299655A1 Electrical system and components therefor |
| 01/18/1989 | EP0299325A1 Actively shielded supraconducting magnet of a nuclear spin tomographic apparatus |
| 01/18/1989 | EP0299267A2 Power recovery circuit |
| 01/17/1989 | US4799017 Background field magnet for image generating devices using nuclear spin resonance |
| 01/12/1989 | DE3811655A1 Multipolar cylindrical permanent magnet - comprises sintered rare-earth iron-boride with optimised thickness for highest flux density and cracking resistance |
| 01/12/1989 | DE3721269A1 Device for generating a magnetic field |
| 01/11/1989 | EP0298737A1 Solenoid drive circuit |
| 01/10/1989 | US4797787 Lead frame and electronic device |
| 01/10/1989 | US4797645 Electromagnetic actuator |
| 01/10/1989 | US4796664 Two-axis force motor |
| 01/10/1989 | CA1248579A1 A.c. power control for d.c. solenoid actuators |
| 01/05/1989 | DE3721208A1 Solenoid valve |
| 01/05/1989 | DE3720357A1 Circuit arrangement for driving a solenoid valve |