Patents for H01F 7 - Magnets (20,067)
08/1985
08/21/1985EP0152117A2 Actuator for dot matrix printhead
08/20/1985US4536731 Electric control motor
08/20/1985US4536728 Valve solenoid windings
08/20/1985US4536230 Anisotropic permanent magnets
08/20/1985CA1192249A1 Electro-magnet equipped with a moving system including a permanent magnet and designed for monostable operation
08/20/1985CA1192175A1 Solenoid valve system with removable waterproof solenoid winding
08/20/1985CA1192174A1 Magnetic air valve
08/13/1985US4534539 Pulsed magnetic valve assembly
08/07/1985EP0150607A2 Wire driving armature for dot printer
08/06/1985US4533891 Limited angle torque motor
08/06/1985US4533890 Permanent magnet bistable solenoid actuator
08/06/1985US4533847 Rotary drive apparatus with permanent magnets on the rotor and stator
08/06/1985CA1191532A1 Solenoid with saturable element
07/1985
07/30/1985US4531820 Electromagnetic actuator generating equal and opposing force vectors
07/30/1985EP0070873A4 Driver circuit for use with inductive loads or the like.
07/30/1985CA1191283A1 Intense transient magnetic field generation by laser- plasma
07/23/1985US4530812 Composite coils for toroidal field coils and method of using same
07/23/1985US4530428 Apparatus for transporting materials to be transferred and method of controlling exciting current therefor
07/17/1985EP0148409A2 Method and apparatus for operating a magnetic clutch
07/16/1985US4530028 Electromagnet with expandible cores for exciting coils
07/16/1985US4528932 Iron core for the magnetic induction of a visual information displaying element with a magnetic tilting plate
07/16/1985CA1190582A1 Electromagnetic actuators
07/09/1985US4528534 Solenoid with tolerance control
07/09/1985US4528533 Actuator with compensating flux path
07/09/1985US4527311 Magnetic retaining device for a belt
07/03/1985EP0146951A2 Solenoid construction and method for making the same
07/02/1985US4527139 Electromagnetic ram actuator
07/02/1985US4526380 Single pole piece multiple-stage ferrofluid seal apparatus
07/02/1985US4526340 Solenoid valve
06/1985
06/26/1985EP0146421A1 Electromagnet with yokes and an armature having a permanent magnet with pole pieces at its pole faces protecting beyond the magnet axis, this axis being perpendicular to the direcion of movement
06/26/1985EP0146268A1 Magnet for catching thereon foreign bodies within the reticulum of ruminant, and method and instrument for manufacture thereof
06/26/1985EP0146267A2 Magnet system
06/26/1985EP0145940A1 Electric circuit for high uniformity magnetic field
06/25/1985US4525695 Force motor with ball mounted armature
06/25/1985CA1189559A1 Electromagnetic vibrating system operable at high amplitudes
06/12/1985EP0144171A1 Magnet assembly
06/12/1985EP0143927A2 Device for returning the contact carrier of an electromagnetic switching device, especially of a protective circuit breaker
06/11/1985US4523168 Electromagnet
06/11/1985US4523167 Bistable electromagnetic latch
06/11/1985US4522371 Proportional solenoid valve
06/04/1985US4521759 Activating magnet
05/1985
05/29/1985EP0143025A2 Bistable electromagnet with several armatures having a permanent magnet
05/29/1985EP0142760A2 Inductively coupled multi-section radio frequency field coil for NMR
05/28/1985US4520331 Rotary actuator for a microwave switch
05/28/1985US4520227 Strain relief connection between a housing and an electric conductor assembly
05/28/1985CA1187923A1 Electromagnetic indicator having a rotor disposable in discrete positions
05/28/1985CA1187922A1 Electro-hydraulic servo valves and electrical force motors suitable therefor
05/21/1985US4518939 Solenoid with retainer stop
05/21/1985US4518938 Solenoid having low-friction coating internally of the armature sleeve
05/21/1985US4518937 Electro-hydraulic servo valves and electrical force motors suitable therefor
05/21/1985US4518831 Transducer with translationally adjustable armature
05/21/1985CA1187574A1 Electromagnetic device
05/15/1985EP0141383A2 Radio frequency field coil for NMR
05/15/1985EP0141342A2 Electromagnetic solenoid device for oil pressure control
05/15/1985EP0141149A1 Magnet device for a nuclear spin resonance tomography system with a shielding arrangement
05/14/1985US4517539 Megnetic device
05/14/1985US4517538 Electromagnetic rotary actuator with rocking movement, in particular for impact printers
05/14/1985CA1186944A1 Electromagnetic print hammer coil assembly
05/08/1985EP0140787A2 Magnetic means for the removal of magnetic gel particles from a test fluid
05/08/1985EP0140290A2 Electromagnetic solenoid
05/08/1985EP0140259A2 Transverse gradient field coil
05/07/1985US4516102 Electrically-powered expansion/contraction apparatus
05/07/1985US4515345 Solenoid valve
05/07/1985US4515343 Arrangement for electromagnetically operated actuators
05/07/1985CA1186725A1 Electro-magnetically actuated reciprocating device
05/02/1985EP0139300A2 Electromagnetic solenoid device
05/02/1985EP0139102A2 Nuclear magnetic resonance imaging system
04/1985
04/30/1985US4513945 Electromagnetic reed valve
04/24/1985EP0138642A1 Ion source ferromagnetic structure formed by permanent magnets and solenoids
04/24/1985EP0138408A2 An electromagnet and a method for manufacturing it
04/24/1985EP0138049A1 A rapid acting electromagnetic actuator
04/23/1985US4513345 Control circuit for inductive load
04/11/1985WO1985001561A1 Electromagnetically operated hydraulic valve device with snap-together valve housing
04/10/1985EP0136594A2 Electromagnet
04/10/1985EP0136536A2 Axial magnetic field gradient coil suitable for use with NMR apparatus
04/10/1985EP0136332A1 Wire coil assembly for matrix print head and manufacturing method.
04/09/1985US4510403 Limited angle torque motor with magnetic centering and stops
04/09/1985US4509716 Electromagnetically operated hydraulic valve device with snap-together valve housing
04/02/1985US4509031 Magnetic roller device
04/02/1985US4509030 Correction coil assembly for NMR magnets
04/02/1985US4509026 Polarized electromagnetic relay
03/1985
03/26/1985US4507635 Magnetic anchoring apparatus with quadrangular pole arrangement
03/26/1985US4507634 Force motor with null centering and null position bias
03/20/1985EP0134433A1 Control circuit for pulse current devices
03/19/1985US4506247 Axisymmetric correction coil system for NMR magnets
03/19/1985US4506240 Magnet assembly for a YIG tuned filter having adjustment means to elastically strain a pole piece
03/19/1985US4506204 Electro-magnetic apparatus
03/13/1985EP0133885A1 Method of manufacturing the magnetic core of a solenoid-actuated device
03/12/1985US4504810 Electromagnetic devices
03/12/1985US4504770 Adjusting device for rotary angle adjustment of a final control element
03/12/1985CA1183720A1 Cross hammer type printer head
03/05/1985US4503411 Dual plunger solenoid device
02/1985
02/28/1985WO1985000924A1 Voltage adaptive solenoid control apparatus
02/26/1985US4502031 Oxygen-free copper or silver solder adhesive
02/26/1985US4501981 Return-to-zero stepper motor
02/26/1985CA1183198A1 Solenoid drive circuit
02/20/1985EP0133364A2 Magnetic coils
02/19/1985US4500937 Control circuit for a solenoid driver for a dispenser
02/19/1985US4500861 Sector motor having latching means for rotor in multiple positions
02/19/1985US4500860 Winding support and method for NMR magnet axisymmetric correction coils