Patents for H01F 7 - Magnets (20,067) |
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04/24/1997 | WO1997015061A1 Electromagnetic operating device |
04/23/1997 | CN1148192A Cylindrical body mfg. method and apparatus, cylindrical body, developing sleeve, photosensitive drum, and developing apparatus |
04/17/1997 | WO1997014160A1 Electromagnetic linear actuator having movable plates and a fluid flow controller with valves controlled by said actuator |
04/16/1997 | EP0768683A1 Supply circuit for an excitation coil of an electromagnet |
04/16/1997 | EP0768682A1 Device and method for identifying a number of inductive loads in parallel |
04/16/1997 | EP0767966A1 Rotary electromagnetic actuator |
04/15/1997 | US5621603 Pulse width modulated solenoid driver controller |
04/15/1997 | US5621369 Flexible magnet |
04/15/1997 | US5621324 Magnetic field generator for MRI |
04/15/1997 | US5621293 Variable-reluctance servocontrolled linear motor |
04/15/1997 | US5620019 Operating device |
04/11/1997 | CA2185280A1 Device and method for identifying a number of inductive loads in parallel |
04/09/1997 | EP0746714A4 Low power electromagnetic valve |
04/09/1997 | EP0650568A4 Pivotal diaphragm, flow control valve. |
04/09/1997 | CN2251781Y Electromagnet |
04/09/1997 | CN2251780Y Half-hard magnet electromagnet and control circuit thereof |
04/09/1997 | CN2251779Y AC electromagnet noiseless safety reinforcing device |
04/09/1997 | CN2251778Y Universal strength magnetic tea block |
04/08/1997 | US5618163 Volumetric pump shift bottoming detector |
04/03/1997 | WO1997011749A1 Magnet arrangement for therapeutic use |
04/02/1997 | EP0766271A1 Magnetic attraction driving engine using permanent magnet |
04/02/1997 | EP0766095A1 Folded transverse gradient coil for magnetic resonance imaging systems |
04/02/1997 | EP0766094A1 Magnet arrangement for a diagnostic magnetic resonance device |
04/02/1997 | EP0765438A1 Process and device for controlling an electromagnetic consumer |
04/02/1997 | CN1146610A Magnetic force clutch |
04/02/1997 | CN1146609A Single pole magnet |
04/02/1997 | CN1034434C Solenoid operated valve for thermally insulated pipings |
04/01/1997 | US5617067 Electromagnetic actuator having a low aspect ratio stator |
03/27/1997 | WO1997011471A1 Apparatus for increasing magnetic flux density of permanent magnet |
03/26/1997 | EP0764890A1 Developing unit |
03/26/1997 | EP0764784A1 Control device for a multiple-way valve |
03/26/1997 | EP0764473A2 Improved electric gun driver |
03/26/1997 | EP0764238A1 Method and device for controlling an electromagnetic consumer |
03/26/1997 | EP0713604B1 Monophase, short travel, electromagnetic actuator having a good electric power/force ratio |
03/26/1997 | CN2250572Y Constant force starting electromagnet control power sourse |
03/26/1997 | CA2186420A1 Electric gun driver |
03/25/1997 | US5615183 Magnetic head used in magnetooptical recording |
03/19/1997 | EP0763274A1 Method for operating an adjusting apparatus and means for adjusting a positional device |
03/19/1997 | CN2249954Y High performance magnet positioner |
03/18/1997 | US5611120 Magnetic latch |
03/13/1997 | WO1997009727A1 Solenoid and solenoid valve |
03/13/1997 | DE19533452A1 Method of adapting control for an electromagnetic actuator for IC engine gas-exchange valve |
03/12/1997 | EP0762444A2 Stack of laminations for magnetic cores in inductive components with a longitudinal opening |
03/12/1997 | EP0762442A1 Proportional solenoid |
03/11/1997 | US5610568 Curved or straight magnetic bar made up of separate magnets |
03/06/1997 | WO1997008717A1 Magnetic actuators |
03/06/1997 | WO1997008664A1 Apparatus for obtaining certain characteristics of an article |
03/06/1997 | WO1997008446A1 Electrical connection between closure cap and internal actuator of an electrically actuated valve |
03/06/1997 | DE19532763A1 Electronic valve control device for motor vehicle anti-lock braking system |
03/06/1997 | CA2229901A1 Apparatus for obtaining certain characteristics of an article |
03/05/1997 | EP0760550A1 Thermo-sensitive actuator and idle speed controller employing the same |
03/05/1997 | EP0760045A1 Method of replacing an awning cloth |
03/05/1997 | EP0714521A4 Method and apparatus for compensation of field distortion in a magnetic structure using spatial filter |
03/05/1997 | CN2248912Y Shell-like tracting electromagnet |
03/04/1997 | US5608502 Method for treating magnet roll by blasting with nonmagnetic spherical particles |
03/04/1997 | US5608369 Magnetic gap construction |
03/04/1997 | US5608368 Comprising a fixed core formed by pressing mixture of ferrous material and epoxy binder |
03/04/1997 | US5607292 Electromagnetic disk pump |
03/04/1997 | US5606992 Pulse width modulated solenoid |
02/27/1997 | WO1997007516A1 Coil support |
02/27/1997 | DE19531513A1 Electric load lifting magnet e.g. for lifting rolled steel coils in iron and steel industry |
02/27/1997 | DE19531435A1 Electromagnetic actuator control matching to changes fue to operation |
02/27/1997 | DE19530798A1 Controlling electromagnetic actuator with electromagnet(s) and armature |
02/26/1997 | EP0759625A1 Magnetic actuators |
02/26/1997 | EP0758912A1 Regulator valve |
02/25/1997 | US5605318 Electric expansion valve |
02/25/1997 | US5604960 Magnetic garment closure system and method for producing same |
02/20/1997 | DE19530394A1 Function monitoring method for electromagnetically-operated gas-exchange valve in IC engine |
02/20/1997 | DE19530121A1 Reduction of impact velocity method for armature impacting on to electromagnetic actuator |
02/18/1997 | US5603354 Volumetric pump/valve |
02/13/1997 | WO1997005637A1 Pulse width modulated solenoid driver controller |
02/13/1997 | WO1997005000A1 Electromagnetic actuating device |
02/13/1997 | DE19529725A1 Spulenträger Coil carrier |
02/13/1997 | CA2200699A1 Pulse width modulated solenoid driver controller |
02/11/1997 | US5602711 Apparatus for monitoring inductance |
02/06/1997 | WO1997003912A1 System for manoeuvring a magnetic load, in particular a ferromagnetic load |
02/06/1997 | WO1997003911A1 Electrical permanent-magnet system for manoeuvring a magnetic, particularly a ferromagnetic, load |
02/05/1997 | EP0757256A2 Open architecture magnetic resonance imaging superconducting magnet assembly |
02/05/1997 | EP0757200A2 Double safety magnetic valve |
02/05/1997 | CN2246842Y Composite low-power proportional electromagnet |
02/04/1997 | US5600237 Method and apparatus for determining the position of an armature in an electromagnetic actuator by measuring the driving voltage frequency |
02/04/1997 | US5600189 Electromagnetic actuator having a cylindrical translation coil and a toroidal rotation coil, actuator unit comprising the actuator and a measurement system, and machine comprising the actuator or the actuator unit |
02/04/1997 | US5599003 Bistable solenoid valve |
01/30/1997 | WO1997003220A1 Permanent magnet array apparatus and method |
01/30/1997 | DE19527493A1 Elektromagnetische Betätigungseinrichtung Electromagnetic actuator |
01/29/1997 | EP0756296A2 Pole piece for electromagnetic friction clutch |
01/29/1997 | EP0756292A2 Magnetic gap construction |
01/29/1997 | EP0756272A2 Magnetic medium having permanent magnetic feature |
01/29/1997 | CN1141393A Refricerant compressor with rotation detecting means |
01/26/1997 | CA2181768A1 Magnetic gap construction |
01/23/1997 | WO1997002582A1 Electromagnetic actuator arrangement for engine control valve |
01/23/1997 | WO1997002581A1 Bobbin-mounted solenold coil and method of making |
01/23/1997 | WO1997002425A1 Fuel injection apparatus |
01/23/1997 | DE19526683A1 Detecting striking of armature on electromagnetically actuated positioning device e.g. for gas exchange valves in IC engine |
01/23/1997 | DE19526681A1 Accurate timed control of armature movement of electromagnetic positioning device e.g. for IC engine gas exchange valve control |
01/23/1997 | CA2221121A1 Fuel injection apparatus |
01/21/1997 | US5596304 Permanent magnet edge-field quadrupole |
01/15/1997 | EP0752941A1 Electro-hydraulic pressure regulating device, especially for a controlled-slip vehicle brake system |
01/15/1997 | EP0664047B1 Bistable magnetic valve |
01/15/1997 | CN1140417A Magnetic filtration device |