Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 7 - Magnets
Patents for H01F 7 - Magnets (20,067)
12/1999
12/07/1999US5999075 Open magnet with shielding
12/07/1999US5999074 Magnetic head for magnetic pick-up tool
12/07/1999US5999073 Tri-core, low reluctance tubular solenoid
12/07/1999US5997119 Magnetic arrangement for printhead positioning in an image processing apparatus
12/02/1999WO1999062084A1 Anti-sticking disc for an electromagnetic actuating device
12/02/1999WO1999062083A1 Solenoid assembly for use with high accuracy mechanisms
12/02/1999WO1999062078A2 Magnetic field concentrator
12/02/1999WO1999061677A1 Thin-film processing electromagnet for low-skew magnetic orientation
12/02/1999WO1999061170A1 Multiple-coil electromagnet for magnetically orienting thin films
12/02/1999DE19823968A1 Elektromagnetische Betätigungseinrichtung Electromagnetic actuator
12/02/1999CA2333624A1 Solenoid assembly for use with high accuracy mechanisms
12/01/1999EP0941542A4 Apparatus for generating uniform magnetic fields with magnetic wedges
12/01/1999CN2351814Y Permanent magnet with driving groove
12/01/1999CN1237266A Double-acting electromagnetic actuator
11/1999
11/30/1999US5994991 Open magnet having shielding
11/30/1999US5992911 Magnet positioning apparatus for positioning a magnet into a subsurface region
11/30/1999US5992821 Electro-magnetically operated valve
11/30/1999US5992461 Solenoid valve housing
11/30/1999US5992006 Method for passive control of magnet hemogeneity
11/25/1999WO1999060584A1 Uniform magnetic force generating magnet
11/25/1999WO1999060583A1 Modules creating magnetic anchorage assemblies and relevant assemblies
11/25/1999DE19822907A1 Electromagnetic actuator with link coupled return spring
11/25/1999DE19821548A1 Device for controlling striking speed in electromagnetically operated valve
11/24/1999EP0959479A2 A method for controlling velocity of an armature of an electromagnetic actuator
11/24/1999CN1046815C Magnetic-keeping magnet
11/23/1999US5991585 Developing device for an image forming apparatus and developing roller therefor
11/23/1999US5991143 Method for controlling velocity of an armature of an electromagnetic actuator
11/23/1999US5990774 Radially periodic magnetization of permanent magnet rings
11/18/1999WO1999059169A1 Magnet armature bearing, especially for proportional magnets and switching magnets in the area of hydraulics and pneumatics
11/18/1999DE19821741A1 Bearing for armature of magnet in hydraulic or pneumatic system
11/18/1999DE19821599A1 Actuator for roll-over protection system
11/18/1999DE19821561A1 Solenoid valve drive method and apparatus for motor vehicle fuel measurement in internal combustion engine
11/18/1999CA2331715A1 Magnet armature bearing, especially for proportional magnets and switching magnets in the area of hydraulics and pneumatics
11/17/1999EP0957369A1 Magnet structure, particularly for nuclear magnetic resonance imaging machines
11/17/1999EP0826101B1 Fuel system
11/17/1999CN1235236A Permanent magnet for NMR logging instrument
11/17/1999CN1046591C Driving circuit of electromagnetic switch
11/16/1999US5986530 Solenoid and method for manufacturing
11/16/1999US5986395 Metal/ferrite laminate magnet
11/16/1999US5984210 Fuel injector utilizing a solenoid having complementarily-shaped dual armatures
11/16/1999US5983464 Magnetic fastener
11/16/1999CA2156487C Cyclotron, magnet coil and associated manufacturing process
11/11/1999WO1999057465A2 Electromagnetic valve for gaseous fluids
11/11/1999WO1999056933A1 Insert molded end pin shafts for magnet roll developer
11/11/1999DE19820458C1 Magnetic system for electromagnetic relay
11/11/1999DE19820084A1 Coil body for electromagnetic valve, e.g. for controlling motor vehicle internal combustion engines
11/10/1999EP0955645A2 Electromagnetic ultraswift actuator without springs
11/10/1999EP0954869A1 Sintered armature
11/09/1999US5979786 Fuel injection apparatus
11/04/1999WO1999056293A2 Open unipolar magnetic structure
11/04/1999WO1999056139A1 Apparatus for detecting trouble with solenoid-operated device
11/04/1999WO1999055624A1 Physical liquid treatment device
11/04/1999DE19919396A1 Electromagnetic coil without coil carrier for vehicle antilock braking system
11/03/1999EP0840685B1 Electromagnetic actuating device
11/02/1999US5977852 Valve control device for controlling a valve for a pressure fluid
11/02/1999US5977661 Switches and circuits for solenoid control
11/02/1999US5975488 Lifting magnet arrangement
11/02/1999US5975437 Fuel injector solenoid utilizing an apertured armature
11/02/1999CA2004100C Permanent magnet arrangement
10/1999
10/27/1999EP0952507A1 Current control apparatus
10/27/1999EP0951413A1 Electromagnetic valve and process for setting the stroke of an electromagnetic valve
10/27/1999EP0951412A1 Magnetic valve
10/27/1999CN2346044Y Automatic controlled electric-pnematic converter
10/26/1999US5970581 Controllable fluid gripping devices
10/21/1999WO1999053514A1 Electrically switchable magnet system
10/21/1999WO1999053506A1 Combination of magnets for generating a uniform external magnetic field
10/21/1999WO1999052427A1 Magnetic field generating device for mri
10/20/1999CN2344850Y Electromagnet device
10/20/1999CN2344849Y Operating mechanism branch gate electromagnet
10/19/1999US5969589 Quiet ferrofluid solenoid
10/19/1999US5969443 Electromagnetic actuating device
10/19/1999US5967282 Electromagnetic coupling device
10/14/1999WO1999051901A1 Fluid resistant solenoid actuated valve
10/14/1999DE19814412A1 Magnetic drive for current protection arrangement
10/12/1999US5965282 Magnetic arrangement for therapeutic application
10/12/1999US5964127 Process and apparatus for manufacturing metallic hollow bodies with structural bulges
10/07/1999DE19911926A1 Stator coil device with integrated terminal device such as magnetic clutch for automobile air-conditioning unit
10/07/1999DE19815244A1 Hollow metal body forming method for hydraulic fluid line connections, such as for automobile hydraulics
10/07/1999DE19813211A1 Supraleitende Einrichtung mit Leitern aus Hoch-Tc-Supraleitermaterial A superconducting device with ladders made of high-Tc superconductor material
10/06/1999EP0947849A2 Supraconducting apparatus comprising conductors of high -Tc-material
10/06/1999EP0883883A4 Strapped open magnetic structure
10/06/1999CN1045498C Rare earth -Fe-Co-B anisotropic magnet
10/05/1999US5963120 Coil support
10/05/1999US5961104 Electromagnetic actuator, and a hydraulic antivibration support including such an actuator
10/05/1999US5961045 Control valve having a solenoid with a permanent magnet for a fuel injector
10/05/1999US5960776 Exhaust gas recirculation valve having a centered solenoid assembly and floating valve mechanism
09/1999
09/30/1999WO1999049479A2 Solenoid plunger having attenuated external magnetic flux
09/30/1999WO1999049195A1 Method and device for controlling an electro-magnetic load
09/30/1999DE19813138A1 Verfahren und Vorrichtung zur Ansteuerung eines elektromagnetischen Verbrauchers Method and apparatus for actuating an electromagnetic load
09/30/1999DE19812744A1 Verfahren und Vorrichtung zum Schalten eines induktiven Verbrauchers Method and apparatus for switching an inductive load
09/30/1999DE19812742A1 Verfahren und Vorrichtung zum Schalten einer Induktivität Method and apparatus for switching an inductance
09/30/1999DE19812667A1 Verfahren zur magnetischen Ionisierung und Anordnung zur Durchführung dieses Verfahrens A method for magnetic ionization and arrangement for carrying out this method
09/29/1999EP0945610A2 Method and apparatus for switching an inductor
09/29/1999EP0945609A2 Method and apparatus for switching an inductive load
09/29/1999EP0706622A4 Improved core design for electromagnetically actuated valve
09/29/1999CN2341248Y Paired assembling magnets
09/28/1999US5959522 Integrated electromagnetic device and method
09/28/1999US5959520 Magnetic decoupler
09/23/1999WO1999035656A3 Magnet assembly with reciprocating core member and associated method of operation
09/23/1999DE19815628C1 Control arrangement for final power stage for fuel pump or fuel injection valve of combustion engine
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