H01F 27 - Details of transformers or inductances, in general

Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
12/1992
12/30/1992	EP0520361A1 Water cooled inductance for high-current devices
12/30/1992	CN2126459U Dry-type transformer protective cover
12/29/1992	US5175525 Low profile transformer
12/29/1992	US5175518 Wide percentage bandwidth microwave filter network and method of manufacturing same
12/24/1992	DE4217845A1 Electrical transformer for direct mounting onto circuit board - has secondary winding formed by U=shaped wire loops with ends connected to board tracks to forming winding
12/23/1992	WO1992022917A1 Low profile transformer
12/23/1992	WO1992022744A1 Coil core with earth contact
12/23/1992	CN2125871U Transformer core
12/23/1992	CN2125413U Fire extinguisher for discharging-rabbling type transformer
12/22/1992	US5173671 Monolithic lumped element networks
12/22/1992	US5172461 Method of producing electrical resonant circuits, specifically resonance labels
12/16/1992	EP0518737A1 Method for winding an electric coil
12/16/1992	EP0518565A1 Method of making distribution transformers
12/16/1992	EP0518421A1 Inductive device
12/16/1992	CN2125189U High density separating plate type boosting transformer
12/15/1992	US5170544 Method of producing electrical resonant circuits, specifically resonance labels
12/15/1992	CA1311401C Process and apparatus for removing pcb's from electrical apparatus
12/10/1992	DE4135391C1 Cable connector for medium high voltage and high current - has socket with cup-shaped contact element, and cylindrical insulating housing covering inserted cable
12/09/1992	EP0517073A1 Method of encapsulating electrical and electronic components
12/09/1992	CN2124503U Operating mechanism of no-excitation tap switch
12/09/1992	CN2124501U Bellows type metal expander
12/09/1992	CN1066932A Drill-conductor
12/08/1992	CA1311288C Ferrite toroid isolator
12/02/1992	EP0516456A2 Transformer with laminated printed winding coil
12/02/1992	EP0516454A1 Transformers
12/02/1992	EP0516415A2 Planar transformer
12/02/1992	EP0516339A1 Apparatus entailing adhesive bonding
12/02/1992	EP0516078A2 Static electric apparatus
12/02/1992	CN2123810U Wide load current mutual-inductor
12/02/1992	CN2123358U High efficiency vacuum oil filtering equipment
12/01/1992	US5168440 Transformer/rectifier assembly with a figure eight secondary structure
12/01/1992	US5168422 Self-enclosed neon transformer
12/01/1992	US5168252 Line filter having a magnetic compound with a plurality of filter elements sealed therein
12/01/1992	US5167804 Liquid treatment system
12/01/1992	US5167063 Method of making a transformer winding in the form of a disc winding provided with axial channels
12/01/1992	CA2070104A1 Transformer with laminated printing winding coil
12/01/1992	CA2063847A1 Apparatus entailing adhesive bonding
11/1992
11/25/1992	EP0515280A1 Method for sealing a moulded-on piece and sealed piece therefrom
11/25/1992	CN2123111U Transformer oil filtering device
11/24/1992	US5166965 High voltage dc source including magnetic flux pole and multiple stacked ac to dc converter stages with planar coils
11/24/1992	US5166655 Shielded inductor
11/24/1992	US5165162 Method for making a segmented toroidal inductor
11/19/1992	EP0514136A1 An improved transformer
11/18/1992	CN2122423U Linear output transformer having anion generating circuit
11/18/1992	CN2122422U O-type transformer
11/18/1992	CN2122421U Pressure bag metal dilator
11/17/1992	US5165056 Transformer winding form with an insertion-type leader frame
11/17/1992	US5164626 Coil element and heat generating motor assembled therefrom
11/12/1992	DE4215029A1 Non-combustible insulating fluid used as induction appts. coolant - contains fluorocarbon liq. as insulator, and emulsifier
11/12/1992	DE4114216A1 Insulated transformer - has insulation between windings formed on one of them, typically of heat-resistant plastic
11/11/1992	EP0512718A1 Process for making a ferrite multistructure
11/10/1992	US5162772 Ferrite suppressor case with internal locking system
11/10/1992	US5162726 Molded electrical apparatus
11/10/1992	US5162126 Edible, reinforced package for foodstuff
11/04/1992	EP0511876A1 A choke-coil fixture for miniature motors
11/04/1992	EP0511426A1 Choke coil
11/04/1992	EP0511417A1 Method and means for suppressing geomagnetically induced currents
11/04/1992	CN2121068U Flow-liminting transformer for projector and slide projector
11/04/1992	CN2121066U Winding structure with carrier pressure regulating transformer
11/04/1992	CN2121065U Transparent double oil cup wet removal with slow flow device
11/04/1992	CN1065949A Distribution transformer for welding
11/03/1992	US5161088 Transformer assembly with exposed hollow housings, and multiple coils
11/03/1992	US5160820 Welding transformer and method of manufacturing same
10/1992
10/29/1992	WO1992018994A1 A multiple inductor assembly
10/28/1992	EP0510311A2 Current and voltage transformer for a metal encapsulated, gas insulated high-voltage installation
10/28/1992	EP0510252A1 Coaxial isolation mounting of a toroidal transformer
10/21/1992	EP0509936A2 Homopolar transformer with magnetic circuit insensitive to mechanical stresses, and manufacturing method
10/21/1992	CN1065544A Electric field circulation generator
10/20/1992	US5157576 Composite electric part of stacked multi-layer structure
10/20/1992	US5157368 Thin type transformer
10/15/1992	WO1992017892A1 Inductor
10/15/1992	WO1992017891A1 Twisted conductor
10/15/1992	WO1992017890A1 Transformer core assembly and method of manufacture thereof
10/14/1992	EP0508521A1 Transformer
10/13/1992	US5155676 Electromagnetic device
10/12/1992	WO1992019085A1 High voltage dc source
10/12/1992	CA2085110A1 High voltage dc source
10/07/1992	EP0507360A2 Current mode bus coupler with planar coils and shields
10/07/1992	EP0507211A2 Manufacturing device for an electrical winding core provided with an insulation layer and core manufactured with this device
10/07/1992	CN2118347U Distribution transformer
10/07/1992	CN1065156A Transformer amorphous steel core
10/07/1992	CN1065155A Amorphous steel magnetic core and coil assembly
10/06/1992	US5153812 Composite LC element
10/06/1992	US5153549 Coil inductor with metal film on wire
10/06/1992	US5153547 High frequency coil
09/1992
09/30/1992	EP0506362A2 Coil
09/30/1992	EP0505382A1 Coil assemblies.
09/23/1992	EP0207969B1 Pulsed plasma ignition system
09/23/1992	CN2116954U Transfomer with lightning arrester
09/23/1992	CN2116953U Transformer core composite structure
09/23/1992	CN2116952U Direct water cooling iron core device of medium frequency transformer
09/22/1992	US5150046 Noise-shielded transformer
09/22/1992	CA1307823C Electromagnetic contactor with lightweight wide range current transducer with sintered powdered metal core
09/17/1992	DE4108661A1 Magnetic field generator for testing device - has pair of isolated conductors coupled opposite polarity voltages providing inhibition of electrical field effect
09/16/1992	WO1992017044A1 Protective snap-together enclosure for current transformers
09/16/1992	EP0503081A1 Magnetic core
09/16/1992	CN2116271U Easy processing and low power loss transformer
09/16/1992	CN1064573A Low-voltage dc power supply
09/16/1992	CA2082399A1 Protective snap-together enclosure for current transformers
09/09/1992	EP0502324A1 Acrylate-based adhesive

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