Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
11/2005
11/17/2005DE202004010227U1 Electric coil for electric equipment has non-lacquered metal wire with an appropriate clearance between the metal wires
11/17/2005DE102004018525A1 Wicklungstragende Einheit Winding-supporting unit
11/17/2005CA2567519A1 Method and equipment for the protection of power systems against geomagnetically induced currents
11/16/2005EP1596403A1 Planar inductor and method of manufacturing it
11/16/2005CN2741158Y Low-voltage outlet device of underground transformer
11/16/2005CN2741157Y Low-voltage distributing box of underground transformer
11/16/2005CN2741156Y Power supply filter
11/16/2005CN2741155Y Insulative radiating fin structure
11/16/2005CN2741154Y Transformer with safety internal lock
11/16/2005CN1697310A LC oscillator
11/16/2005CN1697099A Inductive devices and methods
11/16/2005CN1697098A Coil parts and its mfg.method
11/16/2005CN1697097A Electromagnetic coil
11/16/2005CN1227811C Device for absorption of electrical noise
11/16/2005CN1227802C Control circuit and emission receiver
11/16/2005CN1227679C Stationary induction machine
11/15/2005US6965289 Common-mode choke coil
11/15/2005US6965280 Three way power splitter
11/10/2005WO2005106898A1 Multilayer insulated wire and transformer using the same
11/10/2005US20050248429 Coil arrangement for radio-frequency identification devices, process and apparatus for making said arrangement
11/10/2005US20050248428 Differential mode inductor with a center tap
11/10/2005US20050248427 Ignition coil for internal combustion engine
11/10/2005US20050248426 Core for a coil winding
11/10/2005US20050248324 Power supply for measuring the line impedance of underground cable
11/10/2005US20050247706 Microwave oven
11/10/2005DE10345659B4 Gießharz-Transformator Cast resin transformer
11/09/2005EP1592896A1 Assembling structure of field coil
11/09/2005EP0983460B1 Shield for pressure relief device
11/09/2005EP0921542B1 Chip inductor and method for manufacturing the same
11/09/2005CN2739775Y Phase-shifting rectifier transformer having hexagonal winding at net side
11/09/2005CN2739774Y Non-packed dry transformer alternate partition board
11/09/2005CN1695214A Transformer
11/09/2005CN1694194A Stick-shaped ignition coil having internal hole for resin
11/09/2005CN1694192A Coil core
11/09/2005CN1226804C Multilayer electronic element and communication device
11/08/2005US6963262 Reduction of capacitance effects in potential transformers
11/03/2005WO2005104146A1 Magnetic field generating apparatus
11/03/2005WO2005104145A2 Magnetic core for stationary electromagnetic devices
11/03/2005WO2005072109A3 Plated magnetic toroid and method of making same
11/03/2005US20050243502 Fluid cooling for iron core and winding packs
11/03/2005US20050242916 Low noise planar transformer
11/03/2005US20050242915 Multi-tap coil
11/03/2005US20050242914 Stick-shaped ignition coil having internal hole for resin
11/03/2005US20050242913 Packaging techniques for a high-density power converter
11/03/2005DE202005011962U1 Former used for electrical coil windings is produced with movable side plate elements that are used to enclose the coils
11/03/2005DE102004019586A1 Elektrischer Isolator, insbesondere für Mittel- und Hochspannungen An electrical insulator, especially for medium and high voltages
11/03/2005DE102004018578A1 Verfahren und Vorrichtung zur Erfassung eines Verschmutzungsgrades eines betriebenen Umrichtergerätes Method and apparatus for detecting a degree of contamination of an operational converter
11/03/2005DE102004014752A1 Halbleiterbauelement mit kernlosem Wandler Semiconductor component with coreless transformer
11/03/2005CA2564726A1 Magnetic core for stationary electromagnetic devices
11/02/2005EP1592028A2 Fluid cooling device for iron core and windings
11/02/2005EP1590816A2 Inductive component and method of manufacturing same
11/02/2005CN1692456A Circuit using choke coil and choke coil
11/02/2005CN1691224A High-voltage transformer
11/02/2005CN1691223A Inductor and transformer
11/02/2005CN1691222A Transformer for switching power supply
11/02/2005CN1691221A Wire-wound coil and method for manufacturing the same
11/02/2005CN1691220A Coil component
11/02/2005CN1225752C Magnetic core having effective magnetic polarization and magnetic device using same
11/01/2005US6960976 Ferrite cored coil structure for SMD and fabrication method of the same
11/01/2005US6960366 Plated terminations
11/01/2005US6959482 Integrated circuit transformer for radio frequency applications
10/2005
10/27/2005WO2005101431A1 Method and device for detecting the degree of pollution in an operational converter
10/27/2005WO2005101430A1 High-voltage generator
10/27/2005WO2005101429A1 Electrical insulator, especially for medium and high voltages
10/27/2005WO2005056734A3 Electronic component
10/27/2005US20050237146 Magnetic core for stationary electromagnetic devices
10/27/2005US20050237145 High-voltage transformer
10/27/2005US20050237144 Planar inductance
10/27/2005US20050237143 Transformer for switching power supply
10/27/2005US20050237142 Screw in high voltage housing terminal for ignition coil
10/27/2005US20050237141 Wire-wound coil and method for manufacturing the same
10/27/2005CA2562834A1 Electrical insulator, especially for medium and high voltages
10/26/2005EP1589546A1 Ignition coil having improved thermal stress resistance
10/26/2005CN2736899Y A fully-enclosed transformer
10/26/2005CN1688003A Anti-DC component current transformer core and mfg. method and use thereof
10/26/2005CN1224987C Non-contact transformer
10/26/2005CN1224986C Laminated electric parts
10/25/2005US6958898 Flux pump with a superconductor and superconducting electromagnet to be operated therewith
10/25/2005US6958673 Coil bobbin with core spacing mechanisms
10/25/2005US6958526 Electronic structures with reduced capacitance
10/20/2005WO2005099280A2 Embedded toroidal transformers in ceramic substrates
10/20/2005WO2005098881A1 Winding for a transformer or a coil and method for the production thereof
10/20/2005WO2005098880A2 Distributed active transformer power control techniques
10/20/2005WO2005098879A1 Ceramic electronic parts and method for manufacturing ceramic electronic parts
10/20/2005WO2004114332A3 Low voltage composite mold
10/20/2005US20050233593 Plating of multi-layer structures
10/20/2005US20050231317 Inductor and transformer
10/20/2005US20050231316 Planar type ferrite core
10/20/2005US20050230837 Semiconductor component with coreless transformer
10/19/2005EP1587135A1 Helical inductor
10/19/2005EP1587114A2 Superconducting magnet apparatus
10/19/2005EP1586768A2 Ignition apparatus for an internal combustion engine
10/19/2005EP0995206B1 Diode-split high-voltage transformer
10/19/2005CN2735520Y Current transformer protective box
10/19/2005CN2735519Y Remote intelligent transformer
10/19/2005CN2735518Y Minitype current transformer for breaking device
10/19/2005CN2735517Y An explosion-proof device mounted on bottom side of oil immersed transformer
10/19/2005CN1685776A High-frequency layered part and manufacturing method thereof
10/19/2005CN1685453A Plug-in unit assembly comprising instrument transformers
10/19/2005CN1685452A Inductance part and electronic device using the same