Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 27 - Details of transformers or inductances, in general
Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
12/2003
12/09/2003US6661323 Surface mounting device and its used support
12/09/2003US6661322 Sound-insulating device for an induction machine
12/09/2003US6661312 Multilayer filter array
12/09/2003US6661187 Fly back transformer
12/09/2003US6661078 Inductance element and semiconductor device
12/09/2003US6660412 Low loss, high frequency composite magnetic material and methods of making the same
12/05/2003CA2430803A1 Heat dissipation structures and method of making
12/04/2003WO2003100853A1 Multilayer substrate with built-in coil, semiconductor chip, methods for manufacturing them
12/04/2003WO2003100852A1 Shielding wire in multilayer board, semiconductor chip, electronic circuit element, and method for producing the same
12/04/2003US20030222751 Coil
12/04/2003US20030222749 Shielded inductors
12/04/2003US20030222743 Ignition coil
12/04/2003DE20310198U1 Pilot stage for an electromagnetically actuated fluid power valve has a mounting location that can receive different types of control stage
12/04/2003DE10232396C1 Transmission and reception device has chip module coupled to at least one antenna coil via conductive bridge
12/03/2003EP1367614A1 Fastening device for toroidal choke coil
12/03/2003EP1367613A1 Fastening device for toroidal choke coil
12/03/2003EP1367612A1 Coil bobbin and inductance with such bobbin
12/03/2003EP1367611A1 Inductor part, and method of producing the same
12/03/2003CN2590138Y Low voltage great current layer type winding
12/03/2003CN1460271A Inductive component with wire-guiding slots
12/03/2003CN1459807A Winding for transformer or coil
12/03/2003CN1459806A Winding for transformer or coil
12/03/2003CN1459804A Corona-proof conductor
12/02/2003US6657529 Magnetic component
12/02/2003US6657528 Slope gap inductor for line harmonic current reduction
12/02/2003US6656813 Low loss high Q inductor
11/2003
11/27/2003WO2003098763A1 Modified buchholz relay for continuous monitoring of gas generated by transformer internal faults
11/27/2003WO2003079378A3 High impedance electrical transformer and manufacturing method
11/27/2003WO2003032477A3 Integrated magnetics for a dc-dc converter with flexible output inductor
11/27/2003WO2003017324A3 Structure and method for fabrication of a leadless chip carrier with embedded inductor
11/27/2003WO2003007318A3 Swinging choke
11/27/2003US20030218527 Surface mount coil with edgewise winding
11/27/2003US20030218526 Ferrite core structure for smd and manufacturing method therefor
11/27/2003DE10223995C1 Coil body for annular choke coil has wire guide devices at its ends for maintaining wire windings in required pattern
11/26/2003EP1365451A1 Module component
11/26/2003EP1365421A1 Ceramic insulation coated electric wire, self-fusing ceremic insulation coated electric wire, coating composition, and coil and voice coil for speaker
11/26/2003EP1365420A1 Vegetable oil based dielectric coolant
11/26/2003EP1364378A1 Induction winding
11/26/2003CN2588505Y High-voldage leading-wine for distribution transformer
11/26/2003CN1459116A Inductor part, and method of producing the same
11/26/2003CN1459026A Re-locatable partial discharge transducer head
11/26/2003CN1458655A Three phase to two phase balance transformer
11/26/2003CN1129226C Switch power circuit and isolated variable transformer
11/26/2003CN1129150C Resin molded transformer and manufacturing method thereof
11/25/2003US6653924 Transformer with controlled interwinding coupling and controlled leakage inductances and circuit using such transformer
11/25/2003US6653923 Inductor manufacture and method
11/25/2003US6653922 Ignition coil
11/25/2003US6653196 Open pattern inductor
11/20/2003WO2003096512A2 Contact-less power transfer
11/20/2003WO2003096361A1 Improvements relating to the transfer of electromagnetic power
11/20/2003US20030214380 Inductive element of an integrated circuit
11/20/2003US20030214378 Accurate multi-ground inductor for optical communication circuits
11/20/2003DE20313377U1 Filter e.g. mains filter, has filter housing with thermal insulation between choke and lateral sides of housing
11/20/2003DE20312116U1 Arc discharge protection system for high-voltage electrical equipment has electrode disk, voltage switching circuit, rectifier and trigger circuit
11/20/2003DE10034229C2 Transformator für einen Mikrowellenofen und Verfahren zu dessen Herstellung Transformer for a microwave oven and method for its production
11/19/2003EP1362355A1 Ferrite core
11/19/2003EP1362202A2 Modular transformator lead support system
11/19/2003EP0888661B1 An electric high voltage ac generator
11/19/2003CN2587046Y Decompressing starting autotransformer
11/19/2003CN2586694Y Nnometer working fluid enclosed type natural circulation heat transmission apparatus
11/19/2003CN1457138A Angle differential transformer
11/19/2003CN1457063A Voltage regulating and rectifying transformer for linear descending third transformer
11/18/2003US6650221 Ignition coil for an internal combustion engine
11/18/2003US6650219 Ignition coil core isolation
11/18/2003US6650217 Low profile magnetic component with planar winding structure having reduced conductor loss
11/18/2003US6649998 Passive devices and modules for transceiver
11/18/2003US6649846 Electrical device having insulating structure
11/18/2003US6649422 Integrated circuit having a micromagnetic device and method of manufacture therefor
11/18/2003CA2291084C Shield for pressure relief device
11/13/2003WO2003094305A1 Power supply unit
11/13/2003WO2003094180A1 Production of high or medium voltage windings for oil-immersed transformers and the windings thus produced
11/13/2003WO2003094179A1 Pulse transformer for transmitting and receiving signal
11/13/2003WO2003094106A1 Coil arrangement for radio-frequency identification devices, process and apparatus for making said arrangement
11/13/2003US20030211761 Low cost integrated out-of-plane micro-device structures and method of making
11/13/2003US20030210120 Welding power supply transformer
11/13/2003US20030210106 Contact-less power transfer
11/12/2003EP1361609A2 Housing for potting electrical and electronical components, resulting device and method for the production thereof
11/12/2003EP1361588A1 Bobbin structure and transformer and inductor employing same
11/12/2003EP1360708A2 Toroidal inductive devices and methods of making the same
11/12/2003EP1360706A1 Spring cap and electric component
11/12/2003EP1114429B1 Current transformer with a direct current tolerance
11/12/2003EP0901703B1 A turbo-generator plant
11/12/2003CN2586232Y Low resistance conducting rod
11/12/2003CN1455939A Inductive device
11/12/2003CN1455423A Method for making laminar LC filter
11/12/2003CN1455422A Cooling method and apparatus for furnace high-voltage transformer
11/12/2003CN1455421A Common mode choke
11/12/2003CN1454774A Laminated wood for transformer ring
11/12/2003CN1127740C Suppressor
11/11/2003US6646534 Integrated circuit inductors
11/11/2003US6646531 Coated coil assembly of a transformer
11/11/2003US6644585 Solenoid coil assembly and method for winding coils
11/11/2003US6643913 Method of manufacturing a laminated ferrite chip inductor
11/11/2003CA2332363C Inductance arrangement
11/06/2003US20030206090 Dust Core
11/06/2003US20030206089 Inductor and method of producing the same
11/06/2003US20030206088 Slot core transformers
11/05/2003EP1359595A2 Rotor transformer positioning mechanism and operating method therefor
11/05/2003EP1358661A1 High q inductor with faraday shield and dielectric well buried in substrate
11/05/2003CN2585376Y Sleeve with no suspension electric potential
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