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)
11/2003
11/05/2003CN1127099C Induction element
11/05/2003CN1127098C Electro magnetic coil
11/04/2003US6643116 Radio frequency (RF) security element, coil and capacitor for an RF-security element and method for production thereof
11/04/2003US6642830 Self lead foil winding configuration for transformers and inductors
11/04/2003US6642829 High-voltage transformer
11/04/2003US6642828 Airgapped magnetic component
11/04/2003US6642827 Advanced electronic microminiature coil and method of manufacturing
11/04/2003US6642812 High frequency circuit component
11/04/2003US6642672 Integrated filter with common-mode and differential-mode functions
10/2003
10/30/2003US20030202331 Integrated circuit with low-loss primary conductor strapped by lossy secondary conductor
10/30/2003US20030201868 Protector for thermal switch installed in electromagnetic coils
10/30/2003US20030201864 High performance bulk metal magnetic component
10/30/2003US20030201863 Transformer structure
10/30/2003US20030201861 Ignition coil
10/30/2003US20030201860 Ferrite sleeve base with drum core for SMT inductors
10/30/2003US20030201859 Transformer
10/30/2003US20030201055 Method for manufacturing laminated LC filter
10/29/2003EP1357770A1 High-voltage transformer
10/29/2003EP1357565A2 Method and device for cooling high voltage transformer for microwave oven
10/29/2003EP1357564A1 Choke coil
10/29/2003EP1356479A2 Coil component and method of manufacturing the same
10/29/2003CN2583781Y Household transformer
10/29/2003CN2583780Y Insulating structure between high, low voltage layer type windings
10/29/2003CN2583779Y Iron core clamping device pull belt structure
10/29/2003CN2583778Y Clamping piece for magnetic core reactor
10/29/2003CN2583777Y Iron core fastening structure for reactor with magnetic core
10/29/2003CN1452774A Multilayer transformer having electrical connection in magnetic core
10/29/2003CN1452199A Device for protection of thermal switch mounted in electromagnetic coil
10/29/2003CN1452189A Phase-reversing transformer and phase inverter circuit
10/29/2003CN1126133C Self protection tripping mechanism for subway electric transformer
10/29/2003CN1126128C Transformer
10/28/2003US6639770 Current transformer and method for correcting asymmetries therein
10/28/2003US6639501 Low voltage bobbin of a flyback transformer
10/28/2003US6639499 Inductance component in which a permanent magnet for applying a magnetic bias is arranged outside an excitation coil
10/28/2003US6639498 Ignition coil for use in internal combustion engine
10/28/2003US6639497 Stationary induction apparatus
10/28/2003US6639171 Method for joining coil wire having heat resistant coating to coil terminal
10/28/2003CA2328166C Inductor coil structure and method for making same
10/23/2003WO2003088285A1 Low profile magnetic element
10/23/2003WO2003088282A1 Enameled wire having magnetic reluctance properties and preparation method thereof, and coil using the same and preparation method thereof
10/23/2003WO2003087474A1 High temperature paper
10/23/2003US20030197584 Ignition apparatus having spark plug connection which supplies isolation between plug and apparatus
10/23/2003US20030197583 Method and device for cooling high voltage transformer for microwave oven
10/23/2003CA2481840A1 High temperature paper
10/23/2003CA2425631A1 Method and device for cooling high voltage transformer for microwave oven
10/22/2003EP1355328A1 Support for the assembly of inductive electronic components
10/22/2003EP1354496A1 An electroacoustic transducer
10/22/2003EP1142151B1 A remote feeder reactance coil
10/22/2003CN2582127Y Transformer oil tank edge structure
10/22/2003CN2582126Y Transformer protector
10/22/2003CN2582125Y DC filtering reactor
10/22/2003CN1450572A Surface installation coil part and making method thereof
10/21/2003US6636140 High-frequency large current handling transformer
10/21/2003US6636136 Mechanical stabilizer-tuned damper for high field open magnet
10/21/2003US6635949 Symmetric inducting device for an integrated circuit having a ground shield
10/21/2003US6635947 Monolithically integrable inductor
10/21/2003US6634117 Method for drying an active part and device for carrying out this method
10/21/2003CA2141970C Winding support body for transformers/reactors with superconductors
10/16/2003WO2003086036A1 Printed circuit board with a coil recessed in a void
10/16/2003US20030193386 Miniaturized common mode filter
10/16/2003US20030193385 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
10/16/2003US20030193384 Square sleeve in combination with a drum core for electrical appliance
10/16/2003US20030192663 High temperature paper
10/15/2003CN2580575Y Annular iron core of annular inductance
10/15/2003CN2580574Y Heat radiator of transformer
10/15/2003CN2580573Y Sheet type heat radiator for transformer
10/15/2003CN1448964A Mild steel wire transformer core
10/15/2003CN1124625C Electric distribution transformer and distribution connection method
10/15/2003CA2425592A1 Isolating material element for the assembly of inductive electronic components
10/14/2003US6633221 Inductance element and preparation method thereof
10/14/2003US6633220 Coil apparatus and manufacturing method for the same
10/14/2003US6633219 Coil for automated mounting
10/14/2003US6633218 Surface mounting type coil
10/14/2003US6633216 Self-locating coil assembly
10/14/2003US6633168 Method and apparatus for detecting partial discharge in a voltage transformer
10/14/2003US6633107 Low noise transformer
10/09/2003WO2003083882A1 Self-leaded surface mount component holder
10/09/2003WO2003083881A1 Low profile high current multiple gap inductor assembly
10/09/2003US20030189476 Internal combustion engine ignition coil, and method of producing the same
10/09/2003DE10221492C1 Ring core unit has ferrite or strip material core joined in bore of cooling body or of transmission profile joined to cooling body in heat conducting manner to form ring core unit
10/09/2003CA2480433A1 Self-leaded surface mount component holder
10/09/2003CA2480431A1 Low profile high current multiple gap inductor assembly
10/08/2003EP1350319A1 Balun
10/08/2003EP1350258A2 Integrated switch with rf transformer control
10/08/2003CN2578946Y Current sensor of high-voltage switching apparatus
10/08/2003CN2578945Y Ferrimagnetic cores of flat transformers
10/08/2003CN1447357A Coil having base
10/08/2003CN1447023A Ignition coil for engine and engine with plastic cylinder cover
10/07/2003US6630880 Winding structure of transformer
10/03/2003CA2380201A1 A method and apparatus for detecting partial discharge in a voltage transformer
10/02/2003WO2003081614A1 'a magnetic structure assembly'
10/02/2003US20030184948 Self-leaded surface mount component holder
10/02/2003US20030184930 Insulating device
10/02/2003US20030184426 Inductor element having a high quality factor
10/02/2003US20030184423 Low profile high current multiple gap inductor assembly
10/01/2003EP1349185A1 Coil assembly
10/01/2003EP1348222A2 Method of manufacturing a stacked core for a magnetic induction device
10/01/2003EP0901701B1 Synchronous compensator plant
10/01/2003CN1446363A Beacon system with improved insulation and sealing
10/01/2003CN1446362A Ferrite core
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