Patents for H01F 7 - Magnets (20,067) |
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03/23/1993 | US5196816 Polarized reversible magnet |
03/18/1993 | WO1993005524A1 Rotary solenoid driver |
03/18/1993 | DE4130755A1 Magnetic fluid treatment - has relative movement between field lines and fluid at angle which is not 90 degrees for increased effect |
03/18/1993 | DE4130712A1 Driver for electromagnetic fuel injection valve - has ancillary circuit that responds when valve is fully open to reduce drive current, to hold level |
03/18/1993 | DE4130711A1 Electromagnetic actuator driver for IC engine fuel injector - measures current and valve displacement to allow current to be reduced once valve has fully responded |
03/18/1993 | DE4130710A1 Drive circuit for electromagnetic fuel injection valves - has single power drive stage operating several valves via multiplexing controller |
03/17/1993 | EP0532298A1 Multi-voltage solenoid |
03/17/1993 | EP0531426A1 Automated method for the manufacture of transponder devices. |
03/16/1993 | US5194810 Superconducting MRI magnet with magnetic flux field homogeneity control |
03/16/1993 | US5193781 Electro-pneumatic valve card assemblies |
03/11/1993 | DE4209757C1 Operating magnet for EM switch, e.g. for motor protection - has two=part outer yoke fitted to coil carrier |
03/11/1993 | DE4132816A1 Electromagnetically actuated hydraulic control valve - has armature displacing axial pin to vary orifice of back pressure stage to generate regulated output |
03/11/1993 | DE4129487A1 Armature for solenoid actuated valve - has cylindrical body of magnetic material with plastic insert and sealing plugs enclosing spring controlled sleeve |
03/11/1993 | CA2077869A1 Variable frequency solenoid driver circuit |
03/10/1993 | CN1069695A Magnetic blackboard and its attachments of magnetic pen and magnetic eraser |
03/10/1993 | CN1020057C Electromagnet with permanent magnet held by a cage |
03/09/1993 | US5192936 Solenoid |
03/04/1993 | WO1993004493A1 Screened electromagnetic coil of restricted length having optimized field and method |
03/04/1993 | DE4128983A1 Polarised solenoid for bistable operation - has V-shaped yoke with linear armature and permanent magnets to provide stable operation with two end positions |
03/03/1993 | EP0530093A1 Linear measuring device for small movements in magnetic circuits and ball bearings eqipped with such measuring devices |
03/03/1993 | EP0529146A1 Coil for the electromagnetic control of a switch apparatus |
03/03/1993 | EP0444055B1 Solenoid valve, in particular for fuel injection pumps |
03/03/1993 | CN2127802Y Two-way electro-magnet |
03/03/1993 | CN1020021C Magnetic system for Snap-opening |
03/02/1993 | US5191288 Coil for generating gradient magnetic field |
03/02/1993 | US5190325 Magnetic catch |
03/02/1993 | US5189751 Vibrating toothbrush using a magnetic driver |
02/24/1993 | EP0527754A1 Control element |
02/24/1993 | EP0391994B1 Control device for textile machines |
02/23/1993 | US5189499 Charge-coupled device and process of fabrication thereof |
02/23/1993 | US5189317 Circuit for limiting the output voltage of a monolithic semiconductor power device which drives a resonant load connected to a power supply |
02/23/1993 | US5188336 Magnet system for a valve |
02/17/1993 | EP0527393A1 Solenoid valve apparatus |
02/17/1993 | CN1069143A Magnetic-synchro conversion electricity-economizing coil |
02/17/1993 | CN1069141A Powerful soundless energy-saving electromagnet |
02/17/1993 | CN1019921C Electromagnetic simulated muscle made of plastic and flexible magnet |
02/16/1993 | US5187398 Electromagnetic actuator |
02/16/1993 | US5186350 Insulated beverage container holder |
02/11/1993 | DE4225463A1 Control valve for gas - has control diaphragm that moves to control flow through channels with permanent magnet core determining stand by position |
02/10/1993 | EP0526999A1 Apparatus for the preparation of carrier particles |
02/10/1993 | CN1068908A Energy-saving, quick and adjustable-speed electromagnet power supply |
02/09/1993 | US5185575 Magnetic resonance imaging apparatus with artefact reduction |
02/09/1993 | US5185546 Electromagnetic rotation control device |
02/09/1993 | US5184395 System for manufacturing permanent magnetic field generators and relevant magnet geometries therefor |
02/04/1993 | WO1993002462A1 Improvements in or relating to resonance reducing arrangements |
02/04/1993 | CA2114107A1 Improvements in or relating to resonance reducing arrangements |
02/03/1993 | EP0526122A1 Suspension for a contactor magnet |
02/03/1993 | EP0525042A1 Switch for inductive loads |
01/27/1993 | EP0363457B1 Elctromagnet for an atomic absorption spectrometer |
01/27/1993 | CA2074659A1 Contactor floating magnet |
01/26/1993 | US5182481 Voice coil type actuator |
01/26/1993 | US5181971 Manufacuring a magnetic roller |
01/21/1993 | WO1993001645A1 Linear accelerator |
01/21/1993 | WO1993001607A1 Electromagnet system and process and device for joining the core and yoke in an electromagnet system |
01/21/1993 | DE4124087A1 Operating magnet for automatic sanitary tap - with finely-tuned magnetic circuit for reducing battery energy requirement |
01/21/1993 | DE4122517A1 Electromagnetic valve for vehicle automatic transmission - with strap-shaped flux conduction element partially enclosing outside of relay housing |
01/21/1993 | CA2113096A1 Electromagnet system and process and device for joining the core and yoke in an electromagnet system |
01/20/1993 | EP0328537B1 Cylindrical permanent magnet for producing a uniform and transverse induction field |
01/20/1993 | CN1068215A Sub-bistable electromagnet |
01/19/1993 | US5181004 Solenoid coil assembly |
01/19/1993 | US5181003 Electromagnetic solenoid valve |
01/19/1993 | US5181002 Electromagnetic switch for starter |
01/19/1993 | US5180138 Solenoid controlled servo valve |
01/19/1993 | CA1312915C Three-dimensional double air gap high speed solenoid |
01/14/1993 | DE4122601A1 Linearbeschleuniger Linear accelerator |
01/13/1993 | EP0523002A1 Compound magnet comprising several individual magnets and a permanent magnetic bearing with a compound magnet comprising several individual magnets |
01/13/1993 | EP0522042A1 Electromagnetic actuator. |
01/12/1993 | US5178072 Ground coil for magnetically levitated railway and method of producing the same |
01/12/1993 | CA2073545A1 Unipolar composite magnets and floating magnetic bearing |
01/07/1993 | EP0327554B1 Magnetic block with adjustable magnetization for producing a permanent magnetic field in a zone of interest |
12/24/1992 | DE4120149A1 Flow valve electromagnetic actuator with sealed armature space - has yoke with apertures for flow of moulding elastomer used to form sealed sections |
12/23/1992 | CN1067164A 磁性碰锁 Magnetic latch |
12/15/1992 | US5172056 Magnetic field transmitter and receive using helmholtz coils for detecting object position and orientation |
12/11/1992 | WO1992022860A1 Electropneumatic positioner |
12/11/1992 | CA2089176A1 Electropneumatic positioner |
12/10/1992 | WO1992022076A1 Highly efficient yoked permanent magnet |
12/10/1992 | WO1992022075A1 Hybrid permanent magnets |
12/10/1992 | CA2110289A1 Hybrid permanent magnets |
12/10/1992 | CA2110288A1 Highly efficient yoked permanent magnet |
12/09/1992 | EP0517452A1 Open MRI magnet |
12/09/1992 | EP0516760A1 Terminations of cylindrical permanent magnets |
12/08/1992 | US5170144 High efficiency, flux-path-switching, electromagnetic actuator |
12/08/1992 | US5169050 Wire bonder with improved actuator |
12/03/1992 | DE4141945C1 Sewing machine thread tensioner - has tensioning element in effective connection with electromagnet |
12/03/1992 | DE4117958A1 Magnetic valve with double U=shaped sections of core - has electromagnet coil wound on juxtaposed limbs of U=sections for significant redn. of stray leakage flux |
12/02/1992 | EP0516285A1 Apparatus for loading fastener collars onto a mandrel |
12/02/1992 | EP0516244A1 Improved label for use in antitheft surveillance system |
12/01/1992 | US5168211 For the production of a static homogeneous magnetic field |
11/26/1992 | WO1992021175A1 Magnet-superconductor systems having high thrust and high stability |
11/24/1992 | US5166654 Permanent-magnet grab |
11/24/1992 | US5166652 Bistable solenoid for use with a knitting machine |
11/24/1992 | US5165652 Electromagnetic valve having a throttle path connected to a damping chamber |
11/19/1992 | EP0513266A1 Rotating actuator |
11/19/1992 | EP0513264A1 Rotating actuator |
11/19/1992 | DE4116339A1 Solenoid with tappet - accommodates return spring on reduced diameter portion of tappet on inside |
11/12/1992 | WO1992020080A1 Electric motor, controller therefor and methods for controlling and assembling same |
11/12/1992 | DE4215011A1 Electromagnetic actuator for limited rotary movement - has stator assembly formed from pair of units with stator at centre having permanent magnet elements |
11/11/1992 | EP0512139A1 Actuator driven by an electric motor |
11/11/1992 | EP0432181B1 Electric rotary actuator |
11/10/1992 | US5162771 Highly efficient yoked permanent magnet |