| Patents for H01F 7 - Magnets (20,067) |
|---|
| 03/13/1990 | US4908731 Electromagnetic valve actuator |
| 03/13/1990 | US4908593 Solenoid apparatus |
| 03/13/1990 | US4908592 Electromagnetic actuating device |
| 03/07/1990 | EP0356998A2 Impact dot print head |
| 03/07/1990 | EP0356630A1 Magnetic holder |
| 03/06/1990 | US4907129 Lead frame and electronic divice |
| 03/06/1990 | US4906883 Arrangement for edgewise wound pole winding |
| 03/06/1990 | US4906880 Electromagnetic valve having reduced hysteresis |
| 03/06/1990 | US4905961 Electromagnetic actuator |
| 03/06/1990 | US4905907 Fast solenoid valve, particularly a fuel injection pilot valve for diesel engines |
| 03/01/1990 | DE3928223A1 Magnetic device for HV pulse generator |
| 03/01/1990 | DE3924814A1 Electromagnetic servo valve for vehicle hydraulic system - produces variable hydraulic pressure using electrical control signal in coil to move operating element coupled to slide |
| 02/28/1990 | EP0355704A1 Anisotropic rare-earth permanent magnets and method for making same |
| 02/28/1990 | EP0355692A2 Rotary actuator for positioning magnetic heads in a disk drive |
| 02/27/1990 | US4905316 Magnetic field generating system for magnetic resonance imaging system |
| 02/27/1990 | US4905121 Operation confirming device for electromagnetic actuator |
| 02/27/1990 | US4905031 Axial magnetic actuator |
| 02/27/1990 | US4903578 Electropneumatic rotary actuator having proportional fluid valving |
| 02/27/1990 | US4903395 Method for making search coil assembly for metal detectors |
| 02/22/1990 | WO1990001788A1 A bistable magnetic actuator and a circuit breaker |
| 02/22/1990 | WO1990001780A1 Plunger type electromagnet |
| 02/22/1990 | WO1990001617A1 Control device for a gas shuttle valve |
| 02/22/1990 | WO1990001615A1 Control device for a gas shuttle valve in an internal combustion engine |
| 02/21/1990 | EP0354999A1 Positioning device for a gas exchange valve |
| 02/21/1990 | CN2053369U Electromagnet with large path rate |
| 02/21/1990 | CN1039888A 电磁阀 Solenoid valve |
| 02/21/1990 | CN1039832A Oxidation resistant compositions for use with rare earth magnets |
| 02/20/1990 | US4902997 Search coil assembly for metal detectors |
| 02/20/1990 | US4902993 Magnetic deflection system for charged particles |
| 02/14/1990 | EP0354803A1 A bistable magnetic actuator and a circuit breaker |
| 02/14/1990 | CN2052934U Multi-function controller for ac electromagnet brake |
| 02/14/1990 | CN2052933U Multi group exciting coil power saving electromagnet |
| 02/14/1990 | CN2052932U Magnet holding traction electromagnet and controlled circuit thereof |
| 02/13/1990 | US4901047 Magnetic field transfer device and method |
| 02/07/1990 | EP0353894A2 Force motor |
| 02/07/1990 | EP0353533A1 End stage circuit arrangement for controlling electromagnetic actuators |
| 02/07/1990 | EP0221920B1 Solenoidal magnet with high magnetic field homogeneity |
| 02/07/1990 | CN1039502A Radial direction orientation nd-fe-b permanent magnet ring and the preparation method thereof |
| 02/06/1990 | US4899121 Alternating current electromagnet |
| 02/06/1990 | US4899073 3-position rotational actuator |
| 02/01/1990 | DE3925137A1 Betaetigungssolenoid Actuating solenoid |
| 01/31/1990 | EP0353165A1 Solenoid engagement sensing circuit |
| 01/31/1990 | EP0353074A2 Step linear actuator |
| 01/31/1990 | EP0353029A2 Improvements in laminations |
| 01/31/1990 | EP0352824A1 Local coil arrangement for NMR examination |
| 01/31/1990 | EP0352445A1 Electromagnetically operated valve |
| 01/31/1990 | EP0352444A1 Electromagnetically operated valve and method for its production |
| 01/31/1990 | EP0352357A1 Control electromagnet |
| 01/30/1990 | US4896699 Solenoid valve |
| 01/30/1990 | US4896409 Method of producing a rotationally-symmetrical housing, in particular a valve housing |
| 01/25/1990 | WO1990000807A1 An electromagnetic actuator of the type of a relay |
| 01/24/1990 | EP0351674A1 An electromagnetic actuator of the type of a relay |
| 01/24/1990 | EP0185769B1 Electromagnetic actuator |
| 01/24/1990 | CN1006589B Designing method for d.c. electromagnet |
| 01/23/1990 | US4896131 Magnetic detection device |
| 01/23/1990 | US4896130 Magnetic system |
| 01/23/1990 | US4896129 Magnetic field coils |
| 01/23/1990 | US4896127 Lagged type solenoid |
| 01/23/1990 | US4895344 Electric control motor |
| 01/17/1990 | EP0350640A2 Nuclear magnetic resonance imaging apparatus with reduced acoustic noise |
| 01/16/1990 | US4894569 Electro-expulsive separation apparatus |
| 01/16/1990 | US4893858 Movable yoke-type lifting magnet device |
| 01/16/1990 | CA1264488A1 Label for use in anti-theft surveillance system |
| 01/16/1990 | CA1264440A1 Magnetic device for removing magnetic gel balls from a medium and transfering them on another medium for immunological assay |
| 01/11/1990 | DE3912042A1 Electromagnet |
| 01/11/1990 | DE3822842A1 Combined electromagnet/permanent-magnet adhesion system |
| 01/10/1990 | EP0350267A1 Superconductive magnetic resonance magnet |
| 01/10/1990 | EP0350262A1 Supporting a radiation shield in a magnetic resonance magnet |
| 01/10/1990 | EP0349723A1 Electropneumatic rotary actuator having proportional fluid valving |
| 01/10/1990 | EP0349642A1 Displacement sensor |
| 01/10/1990 | CN1006425B Electromagnetic device acting on inserted armature |
| 01/09/1990 | US4893104 Electromagnetic actuator device, in particular for the selection of the needles on a knitting machine |
| 01/09/1990 | US4893103 Superconducting PYX structures |
| 01/09/1990 | US4892285 Modulated electrically operated refrigerant expansion valve |
| 01/09/1990 | CA1264363A1 Search coil assembly for metal detector and method for making same |
| 01/03/1990 | EP0349159A1 Pilot type controlled electromagnetic valve system |
| 01/03/1990 | EP0348403A1 Magnetic deflector system for charged particles. |
| 01/03/1990 | CN1038543A Energy saving controller for ac electric magnet |
| 01/02/1990 | USRE33140 Methods and apparatus for controlling the engagement of gap-type electromagnetic couplings |
| 12/28/1989 | WO1989012903A1 Controlled linear motor |
| 12/28/1989 | DE3826976A1 Pot magnet |
| 12/27/1989 | CN2050216U 电磁铁装置 Electromagnet device |
| 12/27/1989 | CN1038371A Multi-position electromagnet |
| 12/26/1989 | US4890188 Solenoid driver system |
| 12/26/1989 | US4889314 Electromagnetic flow control valve for pressure control of the like |
| 12/21/1989 | DE3820672A1 Control circuit for regulating the coil current of electromagnets |
| 12/20/1989 | EP0346758A2 Hydraulic valve |
| 12/19/1989 | US4888512 Surface multipolar rare earth-iron-boron rotor magnet and method of making |
| 12/19/1989 | US4888506 Coil in magnetic gap in ferromagnetic cylinder |
| 12/18/1989 | EP0332614A4 Apparatus for air gapping the armature in a compound spool valve. |
| 12/13/1989 | EP0346049A2 RF coil for NMR |
| 12/13/1989 | EP0345771A2 Electromagnetic type fuel injection valve |
| 12/13/1989 | CN2049394U Single phase braking electromagnet |
| 12/13/1989 | CN2049393U One-way pulse type electric-dynamic force transducer |
| 12/13/1989 | CN1037993A Module of protection for electromagnet of contactor |
| 12/12/1989 | US4887059 Iron core of electromagnet and method of producing the same |
| 12/12/1989 | US4887058 Periodic permanent magnet structures |
| 12/06/1989 | EP0345146A1 Inductor for an apparatus used in shaping liquid metal by electromagnetic forces |
| 12/05/1989 | US4885658 Apparatus for controlling the operation of an electromagnetic fuel intake or exhaust valve of an internal combustion engine |
| 12/05/1989 | US4885539 Volume NMR coil for optimum signal-to-noise ratio |