| Patents for H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) |
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| 10/05/1994 | EP0618451A1 Current transducer particularly for an electronic electricity meter |
| 09/29/1994 | DE4309818A1 Ignition unit for internal combustion engines |
| 09/28/1994 | EP0617438A1 An ignition coil and a method for the manufacture thereof |
| 09/27/1994 | US5350980 Nonlinear inductor with magnetic field reduction |
| 09/27/1994 | US5350316 Fluorescent-lamp leadless ballast with improved connector |
| 09/27/1994 | US5350292 Electrical half connector with contact-centering vanes |
| 09/21/1994 | EP0616346A1 Current detection unit and relay terminal array |
| 09/20/1994 | US5349320 Ignition coil for internal combustion engines |
| 09/15/1994 | WO1994020860A1 Current transformer, in particular a current transformer for an electronic electricity meter |
| 09/14/1994 | EP0615269A1 Device for detecting current unbalance, in particular for differential circuit breaker |
| 09/13/1994 | US5347256 Rotary transformer |
| 09/06/1994 | US5343614 Method for manufacturing coils |
| 08/30/1994 | CA2016661C Welding gun assembly with transformers |
| 08/23/1994 | US5341280 Contactless coaxial winding transformer power transfer system |
| 08/23/1994 | US5341083 Contactless battery charging system |
| 08/16/1994 | US5338332 Current sensor using current transformer with sintered primary |
| 08/09/1994 | US5335642 Ignition coil |
| 08/04/1994 | DE4400418A1 Air coupled current transformer |
| 08/04/1994 | DE4302271A1 HV transformer for TV receiver |
| 08/03/1994 | EP0609109A1 Bobbin for secondary winding of ignition coil for internal combustion engine |
| 08/02/1994 | US5335163 Power supply circuit with integrated magnetic components |
| 08/02/1994 | US5333592 Ignition coil for ignition systems in combustion engines |
| 07/29/1994 | CA2114370A1 Secondary winding core for internal combustion engine ignition coil |
| 07/28/1994 | DE4401593A1 Current detector with iron core |
| 07/27/1994 | EP0607465A1 Clip-on current probe with improved operating means |
| 07/27/1994 | EP0552168B1 High-voltage terminals for ignition coils |
| 07/21/1994 | WO1994016454A1 Ignition coil |
| 07/14/1994 | DE4300624A1 HV line transformer for TV receiver |
| 07/13/1994 | EP0606181A1 A transformer, in particular a measuring transformer e.g. for detecting faults in electric cables |
| 07/09/1994 | CA2112935A1 Transformer, particularly measuring transformer, for detecting electrical cable defects for instance |
| 07/06/1994 | CN1089057A A rotary transformer |
| 07/05/1994 | US5327073 Load-dispatching apparatus having improved power supply cut-off |
| 06/29/1994 | EP0603857A1 Ring core transformer with parasitic voltage shielding |
| 06/29/1994 | EP0603619A1 Voltage converter |
| 06/28/1994 | US5325046 Inductive wireless data connection |
| 06/23/1994 | WO1994014174A1 Flexible transformer apparatus particularly adapted for high voltage operation |
| 06/22/1994 | EP0602041A1 A high-tension current transformer, with storage production by means of the automatization of the insulation thereof |
| 06/22/1994 | CN1088374A Flyback transformer device and process for preparing same |
| 06/21/1994 | US5323099 Battery charging system |
| 06/15/1994 | EP0601660A2 Electronic relay to protect motors and thyristors against symmetric overload, phase unbalance and shortcircuit |
| 06/08/1994 | EP0600233A1 Leadthrough with special electrode supports in particular for high voltage |
| 06/08/1994 | EP0599947A1 Split-configuration high-voltage diode transformer for a tv receiver |
| 06/08/1994 | CN1087746A Power transmission apparatus |
| 06/07/1994 | US5319527 Illuminated instrumentation display |
| 06/01/1994 | EP0599604A1 Rotary transformer |
| 06/01/1994 | EP0598924A1 Non-contact power transmission apparatus, non-contact signal transmitter, separation type machine using them and control method thereof |
| 06/01/1994 | EP0598727A1 Protective snap-together enclosure for current transformers |
| 05/31/1994 | US5315982 High efficiency, high output, compact CD ignition coil |
| 05/31/1994 | CA2109852A1 Duct, particularly for high voltages with special electrode holder |
| 05/26/1994 | CA2109652A1 Rotary transformer |
| 05/25/1994 | EP0598271A1 High-frequency power unit for neon tubes |
| 05/24/1994 | US5315279 Coil device |
| 05/24/1994 | US5313927 Ignition coil device for an internal combustion engine |
| 05/18/1994 | EP0349604B1 Transformer |
| 05/11/1994 | WO1994010004A1 Process and arrangement for automatic contactless charging |
| 05/11/1994 | WO1994010003A1 Arrangement for the inductive transfer of energy to movable consumers |
| 05/11/1994 | EP0596261A2 Diode-split line transformer |
| 05/11/1994 | DE4322944A1 Current transformer for HV gas-insulated switching installation - has inbuilt HF capacitor providing shunt path for travelling waves due to switching transients for instrument protection and accuracy |
| 05/05/1994 | DE4236340A1 Anordnung zur individuellen berührungslosen Energieübertragung auf bewegbare Verbraucher Arrangement for individual contactless energy transfer to movable consumer |
| 05/05/1994 | DE4236286A1 Verfahren und Anordnung zum automatischen berührungslosen Laden Method and apparatus for automated non-contact charging |
| 04/28/1994 | WO1994009558A1 Contactless power delivery system |
| 04/28/1994 | WO1994009544A1 Contactless battery charging system |
| 04/28/1994 | CA2147259A1 Contactless battery charging system |
| 04/28/1994 | CA2147258A1 Contactless power delivery system |
| 04/26/1994 | US5307008 Current ratio device and toroidal core assembly therefor |
| 04/20/1994 | EP0593351A1 Sensor for measuring the angular displacement of a moving part |
| 04/14/1994 | WO1994006134A3 Ignition coil |
| 04/14/1994 | DE4233897A1 Ignition coil for IC engine - has one coil per spark plug placed over threaded peg with boss screwed down over it |
| 04/12/1994 | US5302894 Noncontacting displacement measuring system having an electric field shield |
| 04/07/1994 | DE4333974A1 Vehicle IC engine ignition system - uses one coil per plug and has coils joined in series for cylinders having simultaneous compression strokes |
| 04/07/1994 | DE4232090C1 HV transformer for display monitor or TV receiver CRT - has transformer windings carried by plastics former enclosed by sealed housing filled with insulation liquid. |
| 04/06/1994 | CN1085008A Three-phase ac current transformer |
| 04/05/1994 | US5301096 Submersible contactless power delivery system |
| 03/29/1994 | US5298983 Small, high-resolution color display apparatus |
| 03/23/1994 | CN1084251A Ignition coil assembly and method of manufacture thereof |
| 03/22/1994 | US5295861 Connector for ignition coil assembly |
| 03/17/1994 | WO1994006135A1 Current transformer |
| 03/17/1994 | WO1994006134A2 Ignition coil |
| 03/16/1994 | EP0587142A2 A rotary transformer |
| 03/15/1994 | CA1327848C Power transfer circuit including a sympathetic resonator |
| 03/10/1994 | DE4229566A1 Automatic recognition system for appliance plug-connected to power supply - compares identification data transferred across optical plug and socket connection with stored appliance identification data |
| 03/09/1994 | EP0585786A2 Flyback transformer device and process for preparing same |
| 03/09/1994 | EP0585725A1 Resolver having a magnetic shielding |
| 03/09/1994 | EP0585597A2 High voltage line transformer for a TV receiver |
| 03/09/1994 | CN1083648A High tension line transformer for a television receiver |
| 03/08/1994 | US5293308 Inductive power distribution system |
| 03/03/1994 | DE4328089A1 Ignition coil unit for IC engine - has integral power switch and termination device embedded with coil winding in injection moulded plastics block |
| 03/03/1994 | DE4229680A1 Stromwandler Current transformer |
| 03/02/1994 | EP0584295A1 Method for mounting an electrical coil on a magnetic circuit having an air gap. |
| 02/23/1994 | EP0583749A1 Non-linear inductance and method for producing the coil core |
| 02/17/1994 | DE4327309A1 Sealed ignition system for IC engine - has ignition coil and transistorised control circuit sealed into housing using alignment insert. |
| 02/16/1994 | CN1082245A Method for making ferrite core |
| 02/15/1994 | US5287479 Flyback transformer |
| 02/15/1994 | US5285761 Ignition coil |
| 02/10/1994 | DE4225692A1 HV line transformer for TV receiver - has ratio of axial total length of coils to OD of HV coil considerably less than unity |
| 02/03/1994 | WO1994003034A1 High frequency electronic circuit for load ballasting |
| 02/03/1994 | CA2140290A1 High frequency electronic circuit for load ballasting |
| 01/26/1994 | EP0580473A1 Current transformer with feedback for direct currents, alternative currents or pulsed currents |
| 01/26/1994 | CN1081280A Receptacle for a converter for an earth-leakage current circuit-breaker and a converter |
| 01/19/1994 | EP0579462A2 DC current sensor |