| Patents for H01F 7 - Magnets (20,067) |
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| 07/04/1990 | EP0343161A4 Solenoid driver control circuit with initial boost voltage. |
| 07/04/1990 | CN2059018U Dc magnetic iron |
| 07/03/1990 | US4939493 Magnetic field generator |
| 07/03/1990 | US4939465 Probe head for nuclear magnetic resonance (NMR) measurements, in particular for use in NMR tomography |
| 07/03/1990 | US4938451 Method for controlling solenoid de-energized air gap |
| 07/03/1990 | US4938258 Power supply system for solenoid valves |
| 06/28/1990 | WO1990007188A1 Process and device for controlling and detecting the movement of an armature of an electromagnetic switching device |
| 06/28/1990 | DE3843646A1 Elektromagnetischer schalterantrieb Electromagnetic switch drive |
| 06/27/1990 | EP0375464A1 Electromagnetically operated valve assembly for use in internal combustion engine |
| 06/27/1990 | EP0375093A2 Sensitive electrical to mechanical transducer |
| 06/27/1990 | EP0375050A1 Device comprising an actuator, method for use in the device, and system for controlling a gas or liquid flow, comprising the device |
| 06/27/1990 | EP0374377A2 Passive shims for correction of (3,2) and (3,-2) harmonic terms in magnetic resonance magnets |
| 06/27/1990 | CN1008568B Electromagnetic coil |
| 06/26/1990 | US4937545 System of permanent magnets for an intense magnetic field |
| 06/26/1990 | CA1270902A1 Nuclear magnetic resonance sensing apparatus and techniques |
| 06/23/1990 | CA2005111A1 Sensitive electrical to mechanical transducer |
| 06/20/1990 | EP0373870A2 Dot wire driving apparatus |
| 06/20/1990 | EP0373427A2 Impact printer actuator using magnet and electromagnetic coil and method of manufacture |
| 06/20/1990 | EP0373271A1 An electro-magnetic shunt trip device |
| 06/20/1990 | EP0373198A1 Magnetic valve with permanent magnet closing force. |
| 06/19/1990 | US4935714 Low thermal conductance support for a radiation shield in a MR magnet |
| 06/19/1990 | US4935080 Phosphate, chromate protective coatings |
| 06/19/1990 | CA1270514A1 Rotary latching solenoid |
| 06/14/1990 | WO1990006464A1 Electromagnet for solenoid valve and production method of the same |
| 06/13/1990 | EP0373142A1 Bistable magnet |
| 06/13/1990 | DE3932583A1 AC-excited switching electromagnet e.g. for motor protection - has excitation winding surrounding only field space bounded by pole width and packet thickness of magnet |
| 06/12/1990 | US4933806 Method and device for controlling an electromagnet whose energization, by means of a monoarch periodic current, causes actuation of a mobile part |
| 06/12/1990 | US4933657 Eddy current type multilayered coil for generating intense AC magnetic field |
| 06/06/1990 | EP0371775A2 Permanent magnet arrangement |
| 06/06/1990 | EP0371701A1 Electromagnetically activated mechanisms |
| 06/06/1990 | CN1042801A Magnetic breaker having wide-range threshold of trip-out |
| 06/06/1990 | CN1042800A Magnetic system for snap-opening |
| 06/06/1990 | CN1042795A Permanent-magnet magnetic body with large air-gap and high uniformity |
| 06/05/1990 | US4931760 Uniform magnetic field generator |
| 06/05/1990 | US4931735 Superconductive magnet system comprising superconductive cylinders |
| 06/05/1990 | US4931734 Magnetic resonance apparatus having a quadrature RF coil system |
| 05/31/1990 | WO1990005986A2 Magnetic field generating assembly |
| 05/31/1990 | WO1990005985A1 Solenoid shock absorbing bumper arrangement and method |
| 05/31/1990 | WO1990005931A1 Prevention of condensation on a mirror |
| 05/31/1990 | WO1990005845A1 Solenoid valve, in particular for fuel injection pumps |
| 05/31/1990 | DE3839852A1 Method and apparatus for the electromagnetic influencing of liquid, electrically conducting substances |
| 05/30/1990 | EP0370666A1 Electromagnetic actuator |
| 05/30/1990 | EP0370125A1 Fixing system for cover material for plates, furniture, doors and ceilings |
| 05/29/1990 | US4929101 Magnetic cores |
| 05/29/1990 | US4928888 Fast solenoid valve, particularly a fuel injection pilot valve for diesel engines |
| 05/23/1990 | EP0369899A1 Magnetic release device with a large capacity to adjust the release area |
| 05/23/1990 | EP0369759A1 A mounting structure for mounting a solenoid on a support structure |
| 05/23/1990 | EP0369514A1 Electrical actuator |
| 05/23/1990 | EP0369111A1 Magnet system for rapid disconnection |
| 05/22/1990 | US4928028 Proportional permanent magnet force actuator |
| 05/22/1990 | US4927164 Ferrofluid seal with epoxy pole pieces |
| 05/22/1990 | US4926896 Sensitive electrical to mechanical transducer |
| 05/22/1990 | CA1269244A1 Magnetic occluding device |
| 05/17/1990 | WO1990005369A1 Magnetic field generating assembly |
| 05/17/1990 | WO1990005368A1 Electromagnet |
| 05/16/1990 | CA2001846A1 Magnetic trip device with wide tripping threshold setting range |
| 05/15/1990 | US4926289 Actively shielded, superconducting magnet of an NMR tomography apparatus |
| 05/15/1990 | US4925157 Solenoid-operated control apparatus |
| 05/15/1990 | US4925156 Control circuit arrangement for solenoid valves |
| 05/09/1990 | CN2057024U Permanent-magnet electromagnet for electric apparatus |
| 05/09/1990 | CN1042028A Magnetic lock closure device |
| 05/08/1990 | US4924198 Superconductive magnetic resonance magnet without cryogens |
| 05/08/1990 | US4924185 Magnet apparatus for use in magnetic resonance imaging system |
| 05/02/1990 | EP0206057B1 Test head for nuclear magnetic resonance (nmr) measurements, especially for nmr tomography |
| 05/02/1990 | CN2056785U Solinoid |
| 05/01/1990 | US4922217 Torque motor with magnet armature |
| 05/01/1990 | US4922160 Impedance load driving circuit |
| 04/26/1990 | DE3934885A1 Treiberschaltung fuer ein elektromagnetisches fluessigkeits-regelventil Driver circuit for an electromagnetic fluid control valve |
| 04/25/1990 | EP0365065A1 Magnetic field screens |
| 04/25/1990 | EP0364761A2 Electromagnetic actuator having improved dampening means |
| 04/25/1990 | EP0364604A1 Sealing member for sealing magnetic fluid |
| 04/24/1990 | US4919390 Solenoid operated valve apparatus |
| 04/19/1990 | WO1990004056A1 Control device for textile machines |
| 04/18/1990 | EP0364019A1 Device for sound damping and HF screening of the patient examination space in an MR tomography apparatus |
| 04/18/1990 | EP0363938A1 Electromagnetic unit to block the weft yarn in measuring weft feeders for jet looms |
| 04/18/1990 | EP0363457A1 Elctromagnet for an atomic absorption spectrometer. |
| 04/12/1990 | DE3832780A1 Control motor for a servo valve |
| 04/11/1990 | EP0215043B1 Method for making a coil of a solenoidal magnet |
| 04/05/1990 | DE3833079A1 Injection valve with electrodynamic drive |
| 04/04/1990 | EP0361353A1 Direct current-energised control circuit for a solenoid valve |
| 04/04/1990 | EP0361308A1 Corrosion-resistant permanent magnet and method for preparing the same |
| 04/04/1990 | CN2055635U Permanent magnet iron attraction apparatus |
| 04/03/1990 | US4913355 Electromagnetic injection valve for internal combustion engines |
| 03/29/1990 | DE3832835A1 Permanent magnet arrangement for the magnetic release of the locking devices of goods security systems |
| 03/29/1990 | DE3832054A1 Electromagnetic control valve |
| 03/28/1990 | EP0360271A2 Electromagnetic polar relay |
| 03/28/1990 | EP0359833A1 Sealing member for sealing magnetic fluid and method of producing same |
| 03/28/1990 | CN1040886A Bistable magnetic actuator and circuit breaker |
| 03/22/1990 | WO1990003037A1 Solenoid plunger magnet and its use as print hammer in print hammer devices |
| 03/22/1990 | WO1990002870A1 Electric rotary actuator |
| 03/22/1990 | DE3930798A1 Gasmessgeraet Gas meter |
| 03/21/1990 | EP0359371A1 Ferrofluid seal with epoxy pole pieces and method of manufacture |
| 03/21/1990 | EP0359253A2 Constant volume protective boot |
| 03/20/1990 | US4910487 Bistable magnet |
| 03/20/1990 | US4910486 Electromagnetic drive actuator |
| 03/20/1990 | US4910462 Etched Z-axis gradient coils for NMR system |
| 03/20/1990 | US4910452 High frequency AC magnetic devices with high efficiency |
| 03/20/1990 | US4910422 Electromagnetic device with low remanence |
| 03/15/1990 | DE3830114A1 Elektrischer drehsteller Electric rotary table |
| 03/14/1990 | EP0357938A1 Positioning device for a gas exchange valve of an internal-combustion engine |