Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 5 - Coils
Patents for H01F 5 - Coils (6,752)
01/1991
01/08/1991US4982498 Method of making a high-voltage transformer
01/02/1991EP0405671A1 Winding support and method of forming an assembly comprising an electric coil and an electronic component by means of such a support
12/1990
12/18/1990US4977666 Method of forming a coil on a core
12/13/1990WO1990015241A1 Ignition integrated system for internal combustion motors
11/1990
11/28/1990EP0399779A1 An electronic component with a fastener
11/22/1990EP0398036A2 Transformer
11/01/1990WO1990009095A3 Magnetic field transfer device and method
10/1990
10/31/1990EP0395513A1 Low-voltage connector for ignition coil, particularly for internal combustion engines for motor vehicles
10/31/1990EP0395512A1 Ignition coil, particularly for internal combustion engines for motor vehicles, and means for securing the primary and secondary assemblies
10/31/1990EP0395012A1 Coil former for electric bobbin
10/31/1990EP0394913A1 Improved supporting spool for electric windings
10/31/1990DE4013132A1 Construction of secondary winding former of ignition coil - is formed with mechanical clamping elements to couple units together
10/31/1990DE4013131A1 Connection for primary coil of ignition coil - has terminal shaped to provide location for external connection plate
10/25/1990CA2015123A1 Terminals for coil body of electrical coils
10/18/1990DE3912143A1 Self-supporting electrical winding - has adhesive layer applied to insulation of each conductor over given peripheral angle
10/11/1990DE3910769A1 Multiple-yoke electromagnet or transformer and method of production thereof
10/09/1990US4962361 Ignition coil for engine
10/04/1990DE3910750A1 Connecting device for an electronic component
09/1990
09/20/1990DE3908350A1 Electrical coil
09/19/1990CN1045489A Bolted spherical series/phase generator connections
09/13/1990DE3907831A1 High-temperature-resistant compact magnetic coils
09/12/1990CN2062108U Shaped cross section al, cu strip coil
09/12/1990CN1009598B Flat coil and method for producing the same
09/11/1990US4956627 High-frequency component
09/07/1990WO1990010298A1 Process for continuous coating of wires and use of the wires obtained
09/04/1990US4954801 Electric coil and in particular electromagnet arrangement comprising a coil spool and a coil casing
08/1990
08/29/1990EP0384505A1 Process for continuously coating wires, and use of the wires so obtained
08/29/1990EP0383984A1 Shock wave generator
08/29/1990CN1045002A Coil capable of producing instantaneous strong magnetic field
08/23/1990WO1990009095A2 Magnetic field transfer device and method
08/08/1990CN1009140B R.f. system for generating and/or receiving alternating magnetic fields
08/01/1990EP0379647A2 Refractory nozzle and induction coil therefor
07/1990
07/31/1990US4944975 Composite coil forms for electrical systems
07/24/1990US4943794 Molded coil and manufacturing method thereof
07/17/1990US4941852 Terminal for ballast bobbin
07/11/1990CN1043648A Refractory connector and induction coil therefor
07/10/1990US4940870 Induction heating apparatus for injection molding machine
06/1990
06/28/1990WO1990007056A1 Ignition electronic device for endothermic motors of small size
06/27/1990EP0375655A2 Winding wire and method of producing the same
06/26/1990US4937546 Ring-core transformer
06/20/1990EP0374033A1 Electric coil arrangement, especially an electro-magnet, with a coil form and a coil casing
06/19/1990US4935713 Field coil assembly for an electromagnetically actuated clutch
06/13/1990CN1008413B Method for producing moulded coil
06/12/1990US4933657 Eddy current type multilayered coil for generating intense AC magnetic field
06/12/1990CA2005063A1 Electric coil and in particular electromagnet arrangement comprising a coil spool and an coil casing
05/1990
05/16/1990EP0368556A2 Bolted spherical series/phase generator connections
05/15/1990US4926111 Electric component with inductive and capacitive properties
05/10/1990DE3926928A1 Mfg. inductive angle encoder involving curving of former - using hollow elastic support for coil winding subsequently shaped and fixed with hardenable resin
05/08/1990US4924200 Split bobbin and coil device
05/07/1990CA2002281A1 Bolted spherical series/phase generator connections
04/1990
04/25/1990EP0364811A2 Composite coil forms for electrical systems
04/17/1990US4918419 Ignition coil for engine
04/04/1990CN1041059A Method for gaining heat-resisting electric insulation coating layer
04/03/1990CA2000085A1 Composite coil forms for electrical systems
03/1990
03/27/1990US4912448 Coil device with coil and lead terminals
03/22/1990DE3830740A1 High-power coil
03/15/1990DE3830763A1 Electrical connecting device
03/14/1990EP0357608A1 High-frequency component.
03/13/1990US4908593 Solenoid apparatus
03/07/1990EP0357237A2 Coil former
03/06/1990US4905814 Coil configuration for electronic coin tester and method of making
02/1990
02/27/1990US4904975 Coil Former for a high-voltge transformer
02/27/1990US4904203 Device for connecting a wire to a motor terminal
02/13/1990US4901047 Magnetic field transfer device and method
01/1990
01/31/1990EP0353137A1 Transformer
01/30/1990US4897627 Fluorescent ballast assembly including a strip circuit board
01/30/1990CA1264947A1 Use of an oxygen-free copper deoxidized by boron or lithium as material for hollow sections
01/17/1990CN2051395U High quality internal deflection exciting coil
01/16/1990US4894575 Bolted spherical series/phase generator connections
12/1989
12/05/1989CA1263685A1 Appliance valve actuator coil with integral fuse
11/1989
11/29/1989EP0343497A1 Wire winding device
11/23/1989EP0342468A1 Rail winding
11/21/1989CA1263139A1 Electronically controlled coil assembly
11/09/1989DE3912874A1 Trockentransformator mit ummantelten wicklungen, leiter sowie analoge elektrische installationen und verfahren zur herstellung des harzes fuer die ummantelung Dry-type transformer windings coated, conductor and analog electrical installations and process for manufacture of resin for the wrapping
11/07/1989US4879539 Laminated coil for an eddy-current type strong AC magnetic field generator
11/02/1989WO1989010213A1 Device for cleaning a surface in order to remove sticky substances
11/02/1989DE3813919A1 Component for use for electrotechnical purposes
10/1989
10/26/1989DE3813119A1 Spulenkoerper und verfahren zur herstellung eines spulenkoerpers Process for producing a coil former and spulenkoerpers
10/25/1989EP0338664A1 Heating coil bobbin
10/25/1989EP0338660A1 Antipilferage systems
10/19/1989WO1989009999A1 Spool body and process for producing a spool body
10/19/1989WO1989009983A1 Antipilferage systems
10/04/1989EP0335780A1 Coil, manufacturing method for said coil and imagery device having such a coil
09/1989
09/21/1989WO1989008973A1 Inductive element and method of manufacture
09/19/1989US4868534 Coil assembly with fixedly located wire connectors
09/12/1989US4866573 Surface mounted coil
08/1989
08/29/1989US4862130 Wire cross-over arrangement for angular coil assembly
08/24/1989WO1989007828A1 Choke coil
07/1989
07/27/1989DE3800012A1 Gravitation coil
07/26/1989EP0325322A1 Coil bobbin for a high-voltage transformer
07/25/1989US4851060 Polyester dielectric tape
07/18/1989CA1257644A1 Axisymmetric correction coil system for nmr magnets
07/18/1989CA1257643A1 Intentionally non-orthogonal correction coils for high-homogeneity magnets
07/04/1989CA1257011A1 Electrical component with added connecting conducting paths
06/1989
06/27/1989CA1256522A1 Electric coil
06/27/1989CA1256290A1 Manetic yoke inductor for fiberglass manufacturing equipment
06/20/1989US4841269 Coil device
06/15/1989DE3741033A1 High-voltage transformer, and a method for its production
06/14/1989EP0320285A1 Improvements in or relating to electrical coils
06/14/1989EP0320018A1 Reactor coil
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