Patents for H01F 3 - Cores, yokes or armatures (3,764) |
---|
12/20/1995 | EP0688028A1 Electromagnetic coupler |
11/15/1995 | CN2212827Y Winded iron core |
11/02/1995 | WO1995029493A1 Choke coil |
10/26/1995 | WO1995028722A1 Improvements relating to transformers/inductors |
10/24/1995 | US5461555 Flyback converter having a high efficiency irrespective of magnitude of a load |
10/18/1995 | EP0677856A1 Container for storing an annular magnetic core |
10/04/1995 | EP0674803A1 Air-cooled magnetic cores |
09/20/1995 | CN1108790A 电感元件 Inductive element |
09/06/1995 | EP0670077A1 Improved edge coating for amorphous ribbon transformer cores |
08/22/1995 | US5443664 Surge current-suppressing circuit and magnetic device therein |
08/15/1995 | US5441783 Edge coating for amorphous ribbon transformer cores |
08/08/1995 | US5440225 Core for coil device such as power transformers, choke coils used in switching power supply |
08/02/1995 | EP0665374A1 Electromagnet for controlling the metering valve of a fuel injector |
08/02/1995 | EP0632929A4 Producing magnetic fields in working gaps useful for irradiating a surface with atomic and molecular ions. |
07/19/1995 | CN1105394A Nanocrystalline alloy having excellent pulse attenuation characteristics, method of producing the same, choke coil, and noise filter |
06/28/1995 | EP0660339A1 Improvement relating to transformers of the closed ferrite magnetic circuit type |
06/20/1995 | US5426409 Current controlled variable inductor |
06/14/1995 | EP0657063A1 Adjustable-impedance choke coil. |
06/06/1995 | US5422620 Transformer |
05/31/1995 | EP0655754A1 Inductance element |
05/23/1995 | US5418513 Transformer core in transformer circuit |
05/09/1995 | US5414401 High-frequency, low-profile inductor |
05/02/1995 | CA2009079C Wound magnetic core |
04/12/1995 | EP0647180A1 Thermoplastic coated magnetic powder compositions and methods of making same |
03/30/1995 | WO1995008510A1 Method and apparatus for treating fluid with radio frequency signals |
03/29/1995 | CN1100838A Magnetic core for pulse transformer and |
03/21/1995 | US5400005 Toroidal transformer with magnetic shunt |
03/15/1995 | CN1100231A Sintered transformer of inductor core of nizn ferrite material |
02/28/1995 | US5393984 Magnetic deflection system for ion beam implanters |
02/28/1995 | US5393484 Injection molding; degreasing shrinkage inhibition |
02/01/1995 | EP0637038A2 Magnetic core for pulse transformer and pulse transformer made thereof |
02/01/1995 | EP0380582B1 Choke coil |
01/25/1995 | EP0635853A2 Nanocrystalline alloy having pulse attenuation characteristics, method of producing the same, choke coil, and noise filter |
01/11/1995 | EP0632929A1 Producing magnetic fields in working gaps useful for irradiating a surface with atomic and molecular ions |
01/03/1995 | US5378966 Flux captivated emission controlled flyback transformer |
12/28/1994 | EP0631358A2 Device for producing magnetic fields in working gaps useful for irradiating a surface with atomic and molecular ions |
11/17/1994 | EP0624886A1 Sintered transformer or inductor core of NiZn ferrite material |
11/15/1994 | US5364477 Iron rich metallic glasses having high saturation induction and superior soft ferromagnetic properties at high magnetization rates |
11/08/1994 | US5362332 Process for producing a magnet base for printing head of a wire dot printer |
11/02/1994 | CN2181735Y Single-T and double-L combination core plate |
10/25/1994 | US5359313 Step-up transformer |
09/22/1994 | DE4338655A1 Magnet base for printing head of needle (matrix) printers and method for its production |
09/01/1994 | DE4306128A1 ISDN transformer having a composite magnetic core |
08/24/1994 | EP0612083A1 Manganese-zinc ferrite |
07/07/1994 | WO1994015346A1 Air-cooled magnetic cores |
07/06/1994 | CN1089058A Improved edge coating for amorphous ribbon transformer cores |
06/29/1994 | EP0603909A1 Microwave tubular core transformer |
05/26/1994 | WO1994011890A1 Improved edge coating for amorphous ribbon transformer cores |
05/26/1994 | CA2148841A1 Improved edge coating for amorphous ribbon transformer cores |
05/24/1994 | US5315279 Coil device |
05/24/1994 | US5315278 Filament magnetic flux circuit |
05/18/1994 | EP0349604B1 Transformer |
05/17/1994 | US5312503 Laminated magnetic core and method of manufacturing same |
05/10/1994 | US5311028 System and method for producing oscillating magnetic fields in working gaps useful for irradiating a surface with atomic and molecular ions |
04/26/1994 | US5306524 Thermoplastic coated magnetic powder compositions and methods of making same |
03/25/1994 | CA2079056A1 Power core |
03/23/1994 | CA2106110A1 Laminated articles and methods of making the same |
03/22/1994 | US5296049 Glassy alloys |
03/17/1994 | WO1994006131A1 Adjustable-impedance choke coil |
03/11/1994 | EP0647180A4 Thermoplastic coated magnetic powder compositions and methods of making same. |
03/03/1994 | DE4228642A1 Verfahren zur Impedanz-Einstellung einer Drossel Method for impedance setting a throttle |
01/26/1994 | EP0579962A1 Choke coil |
01/05/1994 | EP0577334A2 Partial gap magnetic core apparatus |
01/03/1994 | CA2096358A1 Partial gap magnetic core apparatus |
12/07/1993 | US5268663 Ignition coil assembly directly applied to ignition plug for internal combustion engine |
12/01/1993 | EP0528883B1 Magnetic cores utilizing metallic glass ribbons and mica paper interlaminar insulation |
12/01/1993 | EP0482064B1 Iron-rich metallic glasses having high saturation induction and superior soft ferromagnetic properties at high magnetization rates |
11/24/1993 | EP0571242A1 Magnetic circuit with airgap, particularly for ballasts for discharge lamps and its manufacturing method |
10/12/1993 | US5252148 Soft magnetic alloy, method for making, magnetic core, magnetic shield and compressed powder core using the same |
09/23/1993 | DE4208706A1 Ignition coil for IC engine - has circular inner core on which primary and secondary windings are wound |
09/07/1993 | US5243248 Electric motor having a low loss magnetic flux return path |
09/07/1993 | US5242760 Magnetic ribbon and magnetic core |
09/02/1993 | WO1993017445A1 Producing magnetic fields in working gaps useful for irradiating a surface with atomic and molecular ions |
09/01/1993 | EP0557689A2 Method for manufacturing a magnetic pulse generator |
08/31/1993 | US5240541 Method of fabricating a laminated strip of amorphous metal |
08/19/1993 | WO1993016479A1 Wire wound core |
08/10/1993 | US5235488 Wire wound core |
07/29/1993 | CA2088207A1 Method for manufacturing a magnetic pulse generator |
07/14/1993 | CA2086897A1 Toroidal transformer and method for making |
06/22/1993 | US5221892 Flux compression transformer |
06/17/1993 | DE4241689A1 Step=up transformer with sepd. prim. and sec. windings - arranged end=to=end along axis of winding sleeve and electromagnetically coupled by core |
05/11/1993 | US5210514 Coil device |
04/21/1993 | EP0538073A2 Process for producing sintered body and magnet base |
04/01/1993 | DE3844837C2 Composite body producing impulse voltages for use in security wire |
03/31/1993 | CN1020216C Making method of cutting amorphous inductive magnetic core |
03/30/1993 | US5198137 Thermoplastic coated magnetic powder compositions and methods of making same |
01/19/1993 | US5181004 Solenoid coil assembly |
12/22/1992 | CA1311808C Autoregulating multi contact induction heater |
12/16/1992 | EP0518421A1 Inductive device |
11/26/1992 | WO1992020522A1 Thermoplastic coated magnetic powder compositions and methods of making same |
11/03/1992 | US5160447 Inner yoke of linear voice coil motor; ferromagnetic powder and binder with specified voids |
10/20/1992 | US5156341 Electromagnetic type fuel injection valve |
10/20/1992 | CA1309149C Wire-core transformer |
10/13/1992 | US5155676 Electromagnetic device |
10/13/1992 | US5155461 Solenoid stator assembly for electronically actuated fuel injectors and method of manufacturing same |
09/23/1992 | EP0505194A1 Sintered core for an electromagnetic contactor with controlled closing velocity |
09/22/1992 | CA2063680A1 Molded magnetic contactors |
09/22/1992 | CA1307823C Electromagnetic contactor with lightweight wide range current transducer with sintered powdered metal core |
09/16/1992 | EP0503081A1 Magnetic core |
08/11/1992 | US5138546 Sintered transformer core of mnzn-ferrite and a transformer comprising such a core |