Patents for H01F 7 - Magnets (20,067)
08/2004
08/10/2004US6774589 Rocking seat control apparatus
08/05/2004US20040150433 Excitation control circuit for intermittently bypassing return current
08/05/2004US20040150281 Permanent magnet element and electric machine
08/05/2004US20040149948 Encapsulated solenoid assembly having an integral armor tube cable protector
08/05/2004DE10310461B3 Immersion coil actuator used as a voice coil actuator comprises end cap covering a secondary part fixed on an outer casing, base part formed at a distance from the covering plate
08/05/2004DE10310460B3 Voice coil actuator has magnetic field provided in air-gap between cylindrical outer mantle and inner cylindrical core of primary part via rectangular permanent magnets
08/04/2004EP1443528A2 Super conductive magnet apparatus
08/04/2004EP1042606B1 Electromagnetically actuatable valve
08/04/2004CN2631021Y Bistable permanent-magnet mechanism
08/04/2004CN2631014Y Permanent-magneto magnetic bar
08/04/2004CN2630454Y No-power operation orienting device for trackless electric retractable door
08/04/2004CN1518751A Solenoid valves actuator encapsulation
08/04/2004CN1518030A Electromagnetic switch and its electroplating method
07/2004
07/29/2004US20040145851 Switchgear for generating a clock-controlled coil current that flows through a magnet coil
07/29/2004US20040145436 Unipolar magnetic system
07/29/2004DE10359272A1 Elektromagnetisches Lastantriebsgerät Electromagnetic load drive device
07/29/2004DE10350790A1 Magnetventil Solenoid valve
07/28/2004EP1441372A2 Actuator driving apparatus and method
07/28/2004EP1441371A2 Circuit for the generation of a pulse controlled coil current which flows in a magnetic coil system
07/28/2004EP1440453A1 Size-reduced magnet coil carrier
07/28/2004EP1163686B1 Electromagnet
07/28/2004EP1116247B1 Valve magnet
07/28/2004CN1516882A Magnetic anchoring module with system for enabling/disabling and adjusting magnetic anchoring force and related assemblies
07/28/2004CN1516876A Multi-purpose assembling equipment for magnetic head pile component and its test process
07/28/2004CN1159737C Magnetostatic wave device
07/28/2004CN1159736C Electromagnetic actuator
07/28/2004CN1159201C Acturator and thread brake comprising actuator
07/27/2004US6768407 Magnetic field generator
07/27/2004US6768406 Electromagnetic device for valve control
07/27/2004US6766789 Injector driving control apparatus
07/22/2004WO2004061837A1 Magnetic field generator and magneto-optical information storage device
07/22/2004WO2004061287A2 Fuel injector having segmented metal core
07/22/2004WO2003102979B1 Force motor with increased proportional stroke
07/22/2004US20040140875 Unipolar magnetic system
07/22/2004US20040140192 Solenoid switch and plating method thereof
07/22/2004DE19930006B4 Verfahren zur Herstellung eines Magnetventils und ein nach diesem Verfahren hergestelltes Magnetventil Process for the preparation of a solenoid valve and a solenoid valve produced according to this method
07/22/2004DE19509195B4 Gleichstrom-Magnetsystem mit Dauermagnetunterstützung DC magnetic system with permanent magnet support
07/22/2004DE19504185B4 Elektromagnetisch betätigbares Ventil Electromagnetically actuable valve
07/22/2004DE10355480A1 Rotary solenoid for use in internal combustion engine, has permanent magnet that is magnetically polarized in radial direction
07/22/2004DE10258279A1 Linear drive unit, especially for final control device, has clamping device for fixing rotor relative to drive rod/housing with clamping force induced by second magnetic field of second magnetic coil
07/22/2004DE10125223B4 Elektromagnetische Vorrichtung An electromagnetic device
07/21/2004EP1439731A1 An electroacoustic transducer
07/21/2004CN2627632Y Low-voltage electromagnetism operating permanent-magnet keeping drive mechanism
07/21/2004CN2626614Y Permanent magnet apparatus of drum magnetic separator
07/20/2004US6765466 Magnetic field generator for magnetron plasma
07/20/2004US6764289 Fixture for manufacturing magnets for a voice coil motor
07/15/2004WO2004027828A9 Amperage control for valves
07/15/2004US20040136559 Voice coil and a speaker that uses the voice coil
07/15/2004US20040136129 Electric parts drive circuit
07/15/2004US20040135658 Solenoid arrangement
07/15/2004DE10261811A1 Elektromagnetischer Antrieb Electromagnetic actuator
07/15/2004DE10257380A1 Verfahren zur Einstellung von Abständen in magnetischen Kreisen Method for setting intervals in magnetic circuits
07/15/2004DE10141985B4 Verfahren zur Herstellung von Elektromagneten Process for the preparation of electromagnets
07/15/2004DE10109319B4 Elektromagnetanordnung für elektromagnetisches Gerät Solenoid assembly for electromagnetic device
07/14/2004EP1437914A2 A voice coil and a speaker that uses the voice coil
07/14/2004EP1437554A1 Solenoid valve control device and air conditioner provided with solenoid valve control device
07/13/2004US6762665 Magnet roller
07/13/2004US6761565 Electromagnetic mechanism
07/08/2004WO2004057637A1 Electromagnetic actuator
07/08/2004US20040130845 Amperage control for valves
07/08/2004US20040129953 Mems devices and methods of manufacture
07/08/2004US20040129318 Magnet arrangement
07/07/2004EP1261844B1 System for generating electric energy from a magnetic field
07/07/2004CN2624362Y Magnet body
07/07/2004CN1509776A Permanent magnet rings
07/07/2004CN1156320C Magnetic field applicator for heating magnetic or magnetizable substance or solids in bioloigcal tissue
07/06/2004US6760202 Electrical coil module, an electrical coil comprising such modules, and actuation mechanism including such a coil and a circuit breaker comprising such an actuation mechanism
07/06/2004US6759934 Proportionally-controllable solenoid actuator
07/06/2004US6758146 Laminated track design for inductrack maglev systems
07/01/2004WO2004055838A1 Positioning motor for axial positioning movements
07/01/2004WO2004055837A1 Superconducting magnet, process for producing the same and its magnetizing method
07/01/2004WO2004055481A1 Magnetic position sensor
07/01/2004US20040126621 user can freely set the number of the unit permanent magnets constituting the ring; can set the size of the to improve its comfort while being worn, e.g., as a necklace or a bracelet.
07/01/2004DE10260668A1 Armature for electromagnetic actuator e.g. for internal combustion engine gas exchange valve, has armature plate made of plastics matrix filled with ferromagnetic particles
06/2004
06/30/2004EP1433255A2 Control device
06/30/2004CN1508816A Electromagnet and permanent-magnet biasing and degussing method
06/30/2004CN1508591A Magnetic actuator
06/29/2004US6756873 Hybrid rotary actuator
06/29/2004US6756870 Composite magnet of electromagnet and permanent magnet, and eddy current retarder
06/24/2004WO2004053502A1 Mobile member speed sensor
06/24/2004US20040120094 Solenoid drive apparatus and drive method
06/24/2004US20040119569 Magnetic actuator
06/24/2004US20040119473 Pole face for permanent magnet MRI with laminated structure
06/24/2004US20040118952 Fuel injector having segmented metal core
06/24/2004DE10347452A1 Aktuator, Verfahren zur Herstellung des Aktuators und Leistungsschalter, der mit dem Aktuator ausgestattet ist Actuator, the actuator and method of manufacturing the circuit breaker which is equipped with the actuator
06/23/2004EP1431985A2 Magnetic actuator
06/23/2004EP1431226A1 Brake controller of elevator
06/23/2004EP1430490A1 Electromagnetic actuator
06/23/2004CN1507638A Electromagnetic regulating device
06/22/2004US6752372 Valve magnet
06/22/2004US6751847 Laser-assisted fabrication of NMR resonators
06/17/2004US20040113732 Bistable magnetic actuator
06/17/2004US20040113731 Electromagnetic valve system
06/17/2004US20040113730 Solenoid
06/17/2004US20040113118 Image forming apparatus and developing device therefor
06/17/2004US20040111871 Method for adjusting spacings in magnetic circuits
06/17/2004DE10337769B3 Workpiece forming device using electromagnetic high energy pulses e.g. for electrically-conductive sheets
06/16/2004EP1429350A2 Method for adjusting distances in magnetic circuits
06/16/2004EP1428236A1 Solenoid actuator with position-independent force
06/16/2004EP1428232A2 Mobile-magnet actuator