| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 05/24/2000 | CN2379882Y Magnetic core of transformer |
| 05/23/2000 | US6067002 Circuit substrate with a built-in coil |
| 05/23/2000 | US6066802 Safety enclosure system for a transformer |
| 05/18/2000 | DE19852010A1 Joining ends of windings of toroidal core transformer by heating ends of wire in solder sleeve inside heat-shrink tubing |
| 05/17/2000 | EP1001671A2 Device for uninterruptible power supply |
| 05/17/2000 | CN2378813Y Controller of cooler for transformer |
| 05/17/2000 | CN2378812Y External shell of ballast |
| 05/17/2000 | CN2378811Y Surface adhesive power inductor ferrite core enamel-base electrode terminal |
| 05/17/2000 | CN1253056A Output choking coil for use on D. C. welding machine and method for using same |
| 05/16/2000 | US6064291 Converter transformer |
| 05/10/2000 | EP0999564A1 Output choke for a direct current welding device and method for adjusting the inductivity in the electrical output circuit of a direct current welding device |
| 05/10/2000 | EP0999563A1 A quick bottom connection for a transformer bushing |
| 05/10/2000 | EP0738419B1 Fractionated-rectification high-voltage transformer with grouped diodes |
| 05/10/2000 | CN1252609A Packed electronic element |
| 05/09/2000 | US6061227 Multilayer LC complex component |
| 05/09/2000 | US6060978 Magnetic assembly for a transformer or the like |
| 05/09/2000 | US6060976 Plane transformer |
| 05/09/2000 | US6060975 Bobbin with integral support tabs |
| 05/09/2000 | US6060974 Header plate for a low profile surface mount transformer |
| 05/09/2000 | US6060973 Slant winding electromagnetic coil and ignition coil for internal combustion engine using same |
| 05/04/2000 | WO2000025327A1 A three-phase transformer |
| 05/04/2000 | DE19847313A1 Ausgleichsvorrichtung, geeignet für den Einsatz bei Transformatoren von Schienenfahrzeugen Compensating device, suitable for use in transformers of rail vehicles |
| 05/03/2000 | EP0997917A1 Surface mount self-induction component |
| 05/03/2000 | CN2376659Y Fastening belt |
| 05/03/2000 | CN1252159A Magnetic assembly for transformer or the like |
| 05/03/2000 | CN1052100C Current transformer for metal-enclosed gas-insulated high voltage installation |
| 05/03/2000 | CN1052099C HF choke coil |
| 05/03/2000 | CN1052098C Improvement of transformer/inducer |
| 05/03/2000 | CN1052097C Noise absorbing device |
| 05/02/2000 | US6057649 Illumination unit, electrodeless low-pressure discharge lamp, and coil suitable for use therein |
| 05/02/2000 | US6055721 Method of manufacturing a chip inductor |
| 04/27/2000 | DE19843465A1 Current compensated attenuation choke for interference voltages with choke coil(s) engaged by annular coil core |
| 04/26/2000 | EP0996137A1 Power fuse |
| 04/26/2000 | EP0995206A1 Diode-split high-voltage transformer |
| 04/26/2000 | EP0995205A1 Multi-layer planar inductance coil and a method for producing the same |
| 04/26/2000 | CN2376058Y 变压器装置 Transformer unit |
| 04/26/2000 | CN2376057Y Translatio wave reactor |
| 04/26/2000 | CN2376056Y Deflector-type inner-cooled radiator specially adapted for oil-immersed type transformer |
| 04/26/2000 | CN2376055Y Gas insulating aluminium alloy testing transformer |
| 04/26/2000 | CN1251685A Monolithic inductor and method of manufacturing same |
| 04/26/2000 | CN1251684A Through-hole interconnect device with isolated wire-leads and component barriers |
| 04/25/2000 | US6054914 Multi-layer transformer having electrical connection in a magnetic core |
| 04/25/2000 | US6054329 Method of forming an integrated circuit spiral inductor with ferromagnetic liner |
| 04/20/2000 | WO2000022634A1 Power transformer with internal differential mode distortion cancellation |
| 04/20/2000 | WO2000022633A1 Compensating device suitable for use in railway car transformers |
| 04/20/2000 | DE19852125C1 Back-up current supply for electrical load has electrical coils contained within cooling fluid bath and second cooling fluid passed between heat exchange surfaces for cooling fluid bath and power semiconductors |
| 04/19/2000 | EP0994642A2 Insulating housing for an assembly under high voltage |
| 04/19/2000 | CN2374957Y Self-compensating transformer |
| 04/19/2000 | CN2374956Y Resin insulated dry arc suppression coil |
| 04/19/2000 | CN2374955Y Resin insulated high voltage coil of transformer |
| 04/19/2000 | CN2374954Y Dry grounding transformer with arc suppression coil |
| 04/19/2000 | CN2374953Y Effective anti-interference transformer core |
| 04/19/2000 | CN2374952Y Lightning eliminating transformer |
| 04/19/2000 | CN1051638C Differential current protective switch with special core material |
| 04/19/2000 | CN1051632C Transformer for spot-welding machine |
| 04/19/2000 | CN1051599C Slant winding electromagnetic coil and ignition coil for internal combustion engine using same |
| 04/18/2000 | US6052060 Temperature monitor for electrical switchgear |
| 04/18/2000 | US6050329 Cooling fin with reinforcing ripples |
| 04/13/2000 | DE19936426A1 Spule für eine gekapselte Wicklung einer Elektromagnetanordnung Coil for an encapsulated winding of an electromagnet assembly |
| 04/13/2000 | DE19847267A1 Transformatorenanordnung mit Kühlkreislauf Transformer arrangement with cooling circuit |
| 04/12/2000 | EP0993008A1 A combination apparatus of distribution transformer and switch |
| 04/12/2000 | EP0993007A1 Transformer device with cooling circuit |
| 04/12/2000 | EP0992182A1 Device for protecting an electric circuit against interface micro-discharges |
| 04/12/2000 | EP0991950A1 Electric current pick-up shoe |
| 04/12/2000 | EP0862783B1 Inductive component |
| 04/12/2000 | CN2373878Y Mutual inductor or transformer |
| 04/12/2000 | CN2373877Y Energy-saving shell type electric furnace transformer |
| 04/12/2000 | CN1250217A Electric distribution transformer and distribution connection method |
| 04/12/2000 | CN1250216A Single multi-function high voltage electric connector and protecting apparatus containing the same connector |
| 04/11/2000 | US6049266 Single-phase three-wire type transformer |
| 04/11/2000 | US6049264 Electromagnetic actuator with composite core assembly |
| 04/11/2000 | US6049163 Discharge lamp unit with RF shield primary coil |
| 04/11/2000 | US6047936 Fixing bracket, particularly for transformers |
| 04/11/2000 | CA2169967C Global quieting system for stationary induction apparatus |
| 04/09/2000 | CA2283359A1 Power transformer with internal differential mode distortion cancellation |
| 04/06/2000 | WO2000019475A1 High-voltage fuse and power distribution network |
| 04/06/2000 | WO2000019457A1 Three phase shell type toroidal high power static electromagnetic device |
| 04/06/2000 | CA2340772A1 High-voltage fuse and power distribution network |
| 04/05/2000 | EP0991091A1 High voltage transformer |
| 04/05/2000 | EP0991090A1 Multifunctional monobloc high-voltage electrical connection, with a bushing and an interface for connecting to a fuse, and protection device including such an electrical connection |
| 04/05/2000 | EP0991089A2 Composite inductor element |
| 04/05/2000 | EP0991088A1 Multilayer type chip inductor |
| 04/05/2000 | CN2372771Y Distribution electrisity-saving device |
| 04/05/2000 | CN2372770Y Insulated combied conductor |
| 04/05/2000 | CN2372769Y Transformer with radiating fin |
| 04/05/2000 | CN2372768Y Current-carrying oil paper sleeve for capacitor |
| 04/05/2000 | CN1249522A High-voltage transformer |
| 04/04/2000 | US6046918 Flux equalized transformer circuit |
| 04/04/2000 | US6046663 Transformer and coil bobbin therefor |
| 04/04/2000 | US6046662 Low profile surface mount transformer |
| 03/30/2000 | WO2000017897A1 Current transformer with a direct current tolerance |
| 03/30/2000 | WO2000017896A1 Transformer for switched-mode power supply |
| 03/29/2000 | EP0989569A2 Inductive component with a bar core |
| 03/29/2000 | EP0989568A2 Low profile surface mount chip inductor |
| 03/29/2000 | EP0989319A2 Electromechanical traction device with free return upon de-energizing |
| 03/29/2000 | EP0844626A4 Transformer |
| 03/29/2000 | CN2371656Y Power supply device for three-phase to single-phase treble frequency transformer |
| 03/29/2000 | CN2371655Y Magnetic circuit voltage regulator |
| 03/29/2000 | CN2371654Y Air-cooled energy-saving rectifier |
| 03/29/2000 | CN2371653Y Box-type expansion box |