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)
10/2003
10/01/2003CN1123018C Choke coil
09/2003
09/30/2003US6628531 Multi-layer and user-configurable micro-printed circuit board
09/30/2003US6628191 Inductance arrangement
09/30/2003US6628188 Variable inductor and method
09/25/2003WO2003079379A1 Composite core nonlinear reactor and induction power receiving circuit
09/25/2003WO2003079378A2 High impedance electrical transformer and manufacturing method
09/25/2003US20030179067 Planar coil and planar transformer
09/25/2003US20030179065 Low voltage bobbin of a flyback transformer
09/25/2003US20030179064 Method of making photolithographically-patterned out-of-plane coil structures
09/25/2003US20030179062 Inductance device
09/25/2003US20030179061 Casing of a flyback transformer
09/25/2003DE20207636U1 Electrical transformer for use with halogen bulbs has pair of connecting terminals allowing ease of access to the transformer
09/24/2003EP1347474A1 Semiconductor device, and method and apparatus for manufacturing semiconductor device
09/24/2003EP1347473A1 Substrate-mounted common mode choke coil and method of manufacture thereof
09/24/2003EP1346380A1 High voltage transformer with over voltage protection, and method for over voltage protection
09/24/2003EP1016187B1 Conductor for high-voltage windings and a rotating electric machine comprising a winding including the conductor
09/24/2003EP0901705B1 Insulated conductor for high-voltage windings
09/24/2003CN2575819Y Hand operating mechanism for switch cabinet
09/24/2003CN2575818Y Electric conduction current-carrying body
09/23/2003US6624997 Electrical power conditioner
09/23/2003US6624736 Fuse housing with rate release control plug
09/23/2003US6623845 Glass-ceramic composition, and electronic component and multilayer LC composite component using the same
09/23/2003US6622712 Resin-insulated ignition coil
09/18/2003WO2003077603A2 Magnetron drive boosting transformer
09/18/2003WO2003077267A1 Oil filter system
09/18/2003US20030174039 Partial core, low frequency transformer
09/18/2003US20030174037 Packaging techniques for a high-density power converter
09/18/2003DE20307682U1 Double self-inductance with idealized parameters has two separate coils wound around common magnetically-conducting core and is suitable for use as actuator-sensor interface
09/18/2003CA2468223A1 Oil filter system
09/17/2003EP1344230A1 Medium frequency transformer
09/17/2003EP1034545B1 Transformer
09/17/2003CN2574193Y Post contact voltage regulator
09/17/2003CN2574192Y Improved transformer core
09/17/2003CN2574191Y Contact electric brush for voltage regulator
09/16/2003US6621400 Electronic part and a complex electronic device
09/16/2003US6621399 Alloy comprising 1-10 wt % Si, 0.1-1. 0 wt % O, and balance Fe. An insulator comprising SiO2 and MgO
09/16/2003US6621398 Inductance element such as a choke coil and a transformer for use in a switching power supply or the like
09/16/2003US6621397 Low profile inductor
09/16/2003US6621378 Filter
09/16/2003US6621141 Out-of-plane microcoil with ground-plane structure
09/12/2003WO2003075294A1 On-line detection and measurement system for gases in oil-filled electrical equipment
09/11/2003US20030169589 Beacon system with enhanced insulation and sealing
09/11/2003US20030169142 Magnetic-flux conduits
09/11/2003US20030169141 Ignition coil with insulating resin
09/11/2003US20030169140 Flyback transformer mounting structure for video apparatus
09/11/2003US20030168716 Device having inductors and capacitors and a fabrication method thereof
09/11/2003US20030168232 High voltage electrical handling device enclosure
09/10/2003EP1343249A2 Device having inductors and capacitors and a fabrication method thereof
09/10/2003EP1342305A2 Modularized power supply
09/10/2003EP1342252A2 Multi-layer and user-configurable micro-printed circuit board
09/10/2003CN2572623Y Improved structure for terminal piece shaping material tape of electronic part
09/10/2003CN2572524Y Secondary winding for integral type suspension resistor spot-welder transformer
09/10/2003CN2572523Y Expansion/contruction corrugated type radiator
09/10/2003CN1441446A Press powder magnetic core and choke using said magnetic core
09/10/2003CN1441255A Method and device for radio frequency metering
09/10/2003CN1440827A Preparing device for transformer
09/09/2003US6617949 Choke coil
09/09/2003US6617948 Pot-core components for planar mounting and method of manufacturing the same
09/09/2003US6617814 Integrated DC link choke and method for suppressing common-mode voltage in a motor drive
09/09/2003US6615482 System for wrapping transformer cores from amorphous metal strips
09/04/2003WO2003073550A1 Integration of filters using on-chip transformers for rf and wireless applications
09/04/2003WO2003073446A1 Transformer
09/04/2003WO2002103887A3 Power converters
09/04/2003US20030164533 Inductor part, and method of producing the same
09/04/2003US20030164479 Coolant for use in power distribution equipment, consisting of alphaolefin oligomers with chain lengths of c6 to c12 and polyols esterified with linear or branched alkyl groups with chain lengths of c5 to c20, or triglycerides
09/04/2003US20030164245 Stationary induction machine and a cable therefor
09/04/2003US20030163915 Common mode choke coil and method manufacturing the same
09/04/2003US20030163914 Common mode choke coil and method of manufacturing the same
09/04/2003DE20309539U1 Printed circuit especially for controlling locking system of car doors consists of at least three circuit boards, one ferrite core and at least a winding around the core
09/03/2003EP1341193A1 Transformer
09/03/2003EP1341192A1 Insulation kit for electricity substations
09/03/2003EP1340234A1 System, printed circuit board, charger device, user device, and apparatus
09/03/2003EP1008155B1 Magnetic assembly for a transformer or the like
09/03/2003EP0968504B1 Electrical choke
09/03/2003EP0950252B1 Wire-wound inductors
09/03/2003CN2570937Y Suspended self-protection transformer
09/03/2003CN2570936Y Transformer protector
09/02/2003US6614338 Inductor and method for manufacturing same
09/02/2003US6613250 Vegetable oil based dielectric fluid and methods of using same
09/02/2003US6612019 Integrated circuit inductors
09/02/2003CA2276144C Bead inductor and method of manufacturing same
08/2003
08/28/2003US20030160676 Electric device
08/28/2003US20030160567 Method and apparatus for radio frequency (rf) metrology
08/27/2003EP1339086A2 Method and apparatus for radio frequency (RF) metrology
08/27/2003EP1173857B1 Multi-layer transformer apparatus and method
08/27/2003CN2569307Y Silicon steel core structure of transformer or chocking winding
08/27/2003CN2569306Y Sulfur hexafluoride insulation power transformer
08/27/2003CN2569305Y New type heat radiator
08/27/2003CN2569304Y Forced oil wind cooling controller for power transformer
08/27/2003CN1439163A Bulk stamped amorphous metal magnetic component
08/26/2003US6611191 Transformer
08/26/2003US6611190 Transformer for inverter circuit
08/26/2003US6611189 Welding power supply transformer
08/26/2003US6611187 Magnetic core, coil assembly and power supply circuit using the same
08/26/2003US6611186 Solenoid having an elastomeric retaining device and method of manufacturing same without potting
08/26/2003US6610933 Electrical bushings with resin casting
08/26/2003CA2241442C Method of decontaminating pcb transformers
08/21/2003WO2003069687A1 Method and mold for encapsulating high temperature superconductor coils
08/21/2003WO2003069640A1 Former and coil for printed circuit board assembly
08/21/2003US20030156004 Winding for a transformer or a coil and method for winding
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