Patents for H01F 7 - Magnets (20,067)
01/2004
01/07/2004EP1378620A2 Anti-tampering electromagnet arrangement, electronic cylinder lock and method of preventing tampering of an electromagnet arrangement
01/07/2004EP0970488B1 Double-acting electromagnetic actuator
01/07/2004CN2598245Y Motor device and permanent magnet thereof
01/06/2004US6674629 Controller for controlling an electromagnetic actuator
01/06/2004US6674352 Moving-coil electromagnetic actuator, particularly for a control valve, with resilient element incorporated in the coil
01/06/2004US6674351 Electromagnet with a magnet armature
01/06/2004US6674350 Electromagnetic actuator, optical scanner and method of preparing electromagnetic actuator
01/02/2004EP1374260A1 Electromagnetic actuation
01/02/2004EP1374259A2 Electromagnetic actuator for intrinsically safe devices
12/2003
12/31/2003WO2004001777A1 Actuator
12/31/2003CN2596523Y Magnetic circuit switch
12/31/2003CA2493914A1 Actuator
12/30/2003US6670877 Field adjusting mechanisms and methods for permanent magnet arrangement with backplate
12/30/2003US6670876 Electromagnetic actuator having a permanent magnet
12/30/2003US6670875 Magnetically-efficient solenoid for a linear actuator
12/30/2003US6668772 Linear actuator apparatus and actuating control method
12/24/2003WO2003107058A1 Electromagnetic linear optical positioner
12/24/2003WO2003052443A3 Gradient coil arrangement
12/24/2003DE20220630U1 Valve controlling and blocking-off gas flow to consumer, includes pole piece moved by first actuator towards armature to set working gap
12/24/2003CN1132199C Bobbin-mounted soleonoid coil and method of making
12/23/2003US6667677 Magnet movable electromagnetic actuator
12/23/2003US6667667 Method for driving at least one inductive load using pulse width modulated control signals
12/23/2003US6667611 Pulse signal generator, coil bobbin for the generator, and method of making the coil bobbin
12/18/2003US20030231837 Electromagnetic linear optical positioner
12/18/2003US20030230727 Device for influencing an electron beam
12/17/2003CN1131583C Stator with teeth formed from soft magnetic powder material
12/16/2003US6664880 Inductrack magnet configuration
12/16/2003US6664878 Method for assembling magnetic members for magnetic resonance imaging magnetic field generator
12/16/2003US6664877 Solenoid for electromagnetic valve
12/11/2003WO2003102979A1 Force motor with increased proportional stroke
12/11/2003WO2003102454A1 Pivoting electromagnetic actuator and integrated actuator and fluid flow control valve
12/10/2003EP1369898A2 Magnetic field generator for magnetron plasma
12/10/2003EP1368814A2 Actuator
12/10/2003CN2591722Y Electric magnet apparatus for multi-pole magnetic ring forming
12/10/2003CN2591070Y Straightway discharging water electromagnet for washing machine
12/09/2003US6661636 Method for controlling an electromechanical actuator drive
12/09/2003US6661219 Apparatus having an electromagnetic actuator including an armature and at least one inductive element connected to the armature for determining the position of the armature
12/09/2003US6659422 Control method for an electromagnetic actuator for the control of a valve of an engine from a rest condition
12/09/2003CA2144863C Low power electromagnetic valve
12/04/2003WO2003099726A1 A kind of nano-material for water treatment and its use
12/04/2003WO2003010783A3 Electromagnet
12/04/2003US20030222744 Inductive sensor
12/04/2003US20030222742 Magnetic field generator for magnetron plasma
12/04/2003US20030222741 Support surface that utilizes magnetic repulsive forces
12/04/2003US20030222534 Force motor with increased proportional stroke
12/04/2003US20030221297 Adjustable magnetic snap fastener
12/04/2003DE20310198U1 Pilot stage for an electromagnetically actuated fluid power valve has a mounting location that can receive different types of control stage
12/02/2003US6657845 Circuit for driving a solenoid
12/02/2003US6657844 Electromagnetic drive control device
12/02/2003US6657527 Apparatus and method for fabricating magnet support structure
11/2003
11/27/2003WO2003098354A1 Magnet roller
11/27/2003US20030218525 Method of magnetizing magnetic sheet and magnetization apparatus
11/26/2003EP1365421A1 Ceramic insulation coated electric wire, self-fusing ceremic insulation coated electric wire, coating composition, and coil and voice coil for speaker
11/26/2003EP1364377A1 Electromagnetic actuator
11/26/2003CN1129149C Solenoid for solenoid-operated valve
11/26/2003CN1129041C Developing device and magnetic roller for the same
11/25/2003US6654582 Magnetic roll assembly
11/25/2003US6653921 Magnetic member for electromagnetic driving device and manufacturing method thereof
11/25/2003US6653920 Magnetic device having increased magnetic field intensity and unidirectional magnetic line of force
11/25/2003US6652540 Methods for forming magnetic vascular anastomoses
11/25/2003US6652252 Electromagnetic device particularly useful as a vibrator for a fluid pump
11/25/2003US6651954 Electromagnetic valve actuator
11/25/2003US6651913 Electromagnetic injection valve for controlling a fuel amount to be injected into an internal combustion engine
11/20/2003WO2003001543A3 Improved efficiency magnetic actuator
11/20/2003US20030213611 Low resistance conductors, processes of production thereof, and electrical members using same
11/18/2003US6650214 Magnetic field generator for MRI, method for assembling the same, and method for assembling a magnet unit for the same
11/18/2003US6650212 Electromagnetic latch
11/18/2003US6648297 Method for controlling an electromechanical actuator
11/18/2003US6647597 Adjustable magnetic snap fastener
11/13/2003DE20310670U1 Retention magnet for holding or securing movable parts in machinery or plant in defined positions has friction element for damping armature movement between movable armature and magnet housing
11/13/2003DE20310077U1 Retention magnet has yoke(s), coil and/or permanent magnet, retention plate held on yoke by feeding current to coil and/or permanent magnet with magnetic retention force transverse to displacing force
11/12/2003CN1455938A Permanent magnet and method for preparation thereof
11/12/2003CN1455934A Low resistance conductor, method of producing same and electric component using same
11/12/2003CN1455827A Apparatus for conducting at least one operation on a substrate
11/11/2003US6646555 Wireless communication device attachment and detachment device and method
11/11/2003US6646530 Configuration for minimizing the Neel interaction between two ferromagnetic layers on both sides of a non-ferromagnetic separating layer
11/11/2003US6646529 Electromagnetic release
11/06/2003WO2003092021A1 Flexible magnet and method for manufacturing motor using the same
11/06/2003US20030206091 Magnetic sticking sheet and method of producing same
11/06/2003US20030205941 Electromagnetic actuator and composite electromagnetic actuator apparatus
11/06/2003US20030205940 Armature for an electromagnetic actuator with a sintered armature plate
11/05/2003EP1226647B1 Method for controlling at least one inductive consumer by means of a pulse width modulated control signal
11/04/2003US6642825 Iron core and electromagnetic driving mechanism employing the same
11/04/2003US6641108 Solenoid valve
10/2003
10/30/2003WO2003090237A1 Electromagnetic actuator with permanent magnet
10/30/2003US20030201346 Fuel injection valve
10/30/2003DE20312477U1 Solenoid with axially movable armature for use in vehicles and the like wherein the armature is closely fitted in a bore
10/29/2003EP1357322A1 Solenoid valve
10/29/2003EP1356570A1 Coil with cooling means
10/29/2003EP1356486A1 System and method for servo control of nonlinear electromagnetic actuators
10/29/2003EP1356480A1 Sealed-off switchgear
10/29/2003EP0968024B1 Exhalation valve for a patient ventilator
10/29/2003CN1452292A Permanent magnet for motor
10/29/2003CN1126125C Electromagnetic actuator arrangement for engine control valve
10/29/2003CN1126124C Electromagnet device
10/28/2003US6639759 Electromagnetic linear actuator comprising a fixed portion, a movable portion, a single guide shaft and a position sensor, and a tape drive using the electromagnetic linear actuator
10/28/2003US6639496 Bistable long-stroke electro-magnetic mechanical actuator
10/28/2003US6639495 Electromagnetic actuator for intrinsically safe devices
10/23/2003WO2003030364A3 Control device
10/23/2003US20030197582 Electromagnetic actuator having a permanent magnet