| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
|---|
| 01/26/1994 | EP0579962A1 Choke coil |
| 01/26/1994 | CN1081281A Transformer core comprising groups of amorphous steel strips wrapped a bout the core window |
| 01/26/1994 | CN1081133A AC arc welding machine |
| 01/25/1994 | US5281942 Bobbin for an electrical winding and method of manufacture |
| 01/25/1994 | US5281766 Motor lead wire |
| 01/25/1994 | US5281488 Foil strip conductor |
| 01/25/1994 | US5281154 Electrical connector assembly with printed circuit board layout |
| 01/19/1994 | EP0578721A1 Twisted conductor. |
| 01/19/1994 | CN2153855Y Bidirectional energy-saving inductive transformer for neon lamp |
| 01/18/1994 | US5280206 Armature stator |
| 01/18/1994 | CA1326272C Electrical equipment cluster mount |
| 01/12/1994 | EP0422009B1 Improved capacitor with controlled impedance |
| 01/12/1994 | CN2153127Y Current transformer |
| 01/12/1994 | CN2153125Y 焊接变压器 Welding transformer |
| 01/05/1994 | EP0577334A2 Partial gap magnetic core apparatus |
| 01/05/1994 | CN2152284Y Auto voltage regulator with isolated layer |
| 01/05/1994 | CN2152283Y Forced oil circulation air cooling device |
| 01/05/1994 | CN2152282Y Composite elastic radiator |
| 01/05/1994 | CN2152281Y High votltage electromagnetic insulation angled frame of voltage inductor |
| 01/04/1994 | US5276421 Transformer coil consisting of an insulating ribbon comprising electrically conducting patterns making it possible to produce paralleling of the patterns when this ribbon is accordion folded |
| 01/04/1994 | US5276394 Compensated transformers |
| 01/04/1994 | US5275368 Automatic locking transformer bracket |
| 01/04/1994 | US5274916 Method of manufacturing ceramic multilayer electronic component |
| 01/03/1994 | CA2096358A1 Partial gap magnetic core apparatus |
| 12/29/1993 | EP0576250A1 Method and apparatus for making packets of amorphous steel strip for transformer core manufacture |
| 12/29/1993 | EP0576249A1 Transformer core comprising groups of amorphous steel strips wrapped about the core window |
| 12/29/1993 | CN2151524Y Case type expansion apparatus |
| 12/28/1993 | US5274346 Integrated LC filter |
| 12/28/1993 | US5273246 Hanger bracket for distribution transformer |
| 12/23/1993 | DE4234362C1 Electrical suppression coil with tension restraint - is provided by bead at component end of each terminal wire enclosed by shrink-fit sleeve |
| 12/22/1993 | CN2150618Y Unblocking transformer |
| 12/22/1993 | CN2150617Y Muiltiple-air-duct air self-cooling transformer |
| 12/22/1993 | CN2150616Y Circular arc closed iron core |
| 12/22/1993 | CN2150615Y Profiled monometallic integrated fin tube |
| 12/21/1993 | US5272460 Current and voltage transformer for a metal-encapsulated, gas-insulated high-voltage installation |
| 12/21/1993 | US5272459 Standardized and self-contained transformer battery charger assembly |
| 12/16/1993 | DE4042456C2 Encapsulated transformer with terminals tightly fitting slits |
| 12/15/1993 | EP0573469A1 Method for fixing a winding to an electronic circuit. |
| 12/08/1993 | CN2149009Y Double L shape magnetic-leakage transformer for neon lamp |
| 12/07/1993 | US5267393 Method of manufacturing a strip wound coil to eliminate lead bulge |
| 12/07/1993 | CA1325072C Dry-type power transformer having embedded windings and process for producing embedding resin |
| 12/02/1993 | DE4217434A1 Chip inductance with coil wound on core - with undercut end faces for contact attachment |
| 12/01/1993 | EP0571435A1 Insulated winding, process for producing it, and semi-finished product used in the production process. |
| 12/01/1993 | EP0528883B1 Magnetic cores utilizing metallic glass ribbons and mica paper interlaminar insulation |
| 12/01/1993 | CN2148381Y Transformer for portable resistance welder |
| 12/01/1993 | CN1079070A Automatically regulating capacity transformer |
| 11/30/1993 | US5266916 Compact transformer |
| 11/30/1993 | US5266739 Chip electronic device with a resin housing and manufacturing process thereof |
| 11/25/1993 | WO1993023914A1 Harmonic blocking converter system |
| 11/25/1993 | WO1993023860A1 Strip conductor for transformers |
| 11/24/1993 | EP0571242A1 Magnetic circuit with airgap, particularly for ballasts for discharge lamps and its manufacturing method |
| 11/24/1993 | CN2147628Y Wing plate type circular non-crystal soft-magnetic magnetic material protective box |
| 11/24/1993 | CN2147627Y Heat solidifying moulding plastics case type current (voltage) mutual-inductor |
| 11/24/1993 | CN2147626Y Electricity illegal using-proof device with current mutual-inductor |
| 11/24/1993 | CN2147070Y Hollow terminal board point-welding machine |
| 11/24/1993 | CN1022875C Insulating press ring of large-size transformer and its manufacturing method |
| 11/23/1993 | US5264815 Fastener for electronic component |
| 11/17/1993 | CN2146772Y Omnibearing magnetic screen reactor |
| 11/17/1993 | CN2146296Y Vacuum oiling machine |
| 11/17/1993 | CN1078571A Oil immersion transformer for neon lamp |
| 11/16/1993 | US5262746 Ribbon coil for motor winding |
| 11/16/1993 | US5262745 On a printed circuit board |
| 11/10/1993 | EP0317571B1 Transformer life consumption indicator |
| 11/02/1993 | US5258594 High frequency heating process for impregnating or polymerization of transformer windings |
| 11/02/1993 | US5257611 Ignition coil assembly and method of manufacture thereof |
| 11/02/1993 | CA1323923C Apparatus for relieving strain on electrical lead |
| 10/27/1993 | EP0566776A2 Process and equipment for oil cleaning |
| 10/27/1993 | CN2144854Y Theft-proof device for power transformer |
| 10/27/1993 | CN1077817A Transformer core |
| 10/26/1993 | US5257304 High-voltage power device and power pack for X-ray tube |
| 10/20/1993 | EP0565964A2 High voltage coil for an ignition transformer |
| 10/13/1993 | CN2143811Y Conneting Terminal for distribution transformer sleeve |
| 10/13/1993 | CN1077307A Composite structure of transformer core |
| 10/12/1993 | US5252941 Spiral, self-terminating coil and method of making the same |
| 10/12/1993 | US5252778 Gas-insulated electric apparatus |
| 10/07/1993 | DE4309793A1 Transformer with tank filled with insulating medium e.g. oil - has membrane in tank wall which ruptures when excess pressure in tank and opens release chamber to increase tank volume |
| 10/07/1993 | DE4210783A1 Choke spool with two core halves and coil - combines L=shaped cores with coils wound on one leg of each coil |
| 10/06/1993 | EP0564315A1 Cooling device for inductive circuit |
| 10/06/1993 | CN2143355Y Transformer for preventing charge evasion and stealing |
| 10/06/1993 | CN2143354Y Current mutual inductor with bus clip |
| 10/05/1993 | US5250923 Laminated chip common mode choke coil |
| 10/05/1993 | US5250922 Transformer or reactor cooled by an insulating agent |
| 10/05/1993 | US5250915 Laminate type LC filter |
| 10/05/1993 | CA1322671C Inductive coil structure |
| 09/30/1993 | WO1993019476A1 Improved core-form transformer |
| 09/29/1993 | EP0563019A1 Magnetic cores for saturable core measuring devices and methods of manufacturing such cores |
| 09/29/1993 | EP0562970A1 Assembly of a toroidal core with coil |
| 09/29/1993 | EP0562495A2 Transformer or inductor with shaped pieces of insulating material at the coil end turns |
| 09/29/1993 | EP0562469A1 Low power capacity transformer insulated for direct contact |
| 09/29/1993 | EP0562380A2 Current transformer for sensing current in an electrical conductor |
| 09/29/1993 | CN2143040Y High energy-saving transformer for neon lamp |
| 09/29/1993 | CN2143000Y Pressure-release gas relay |
| 09/29/1993 | CN2142996Y Energy-saving electric transformer with low noice |
| 09/28/1993 | US5248952 Transformer core and method for finishing |
| 09/26/1993 | CA2092260A1 Magnetic cores for saturable core measuring devices and methods of manufacturing such cores |
| 09/22/1993 | EP0561455A1 Line output transformer |
| 09/22/1993 | EP0561031A1 Component with foil case and method for manufacturing the same |
| 09/21/1993 | US5245746 Method of fabricating an electrical component assembly |
| 09/16/1993 | WO1993018528A1 Coil for high-voltage transformer |
| 09/15/1993 | CN2142234Y Secondary opening circuit overvoltage protection for current transformer |