| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 09/14/1994 | EP0615260A1 Line filter |
| 09/14/1994 | EP0614583A1 Integrated emi/rfi filter magnetics |
| 09/14/1994 | CN2177283Y Multifunction transformer |
| 09/14/1994 | CN2177282Y Current transformer |
| 09/13/1994 | US5347196 Line output transformer |
| 09/13/1994 | US5345670 Method of making a surface-mount power magnetic device |
| 09/08/1994 | DE4307106A1 Current generator (5) and transformer (5) with radioactive secondary winding |
| 09/07/1994 | EP0614200A1 Device for limiting the terminal voltage of a transformer winding |
| 09/07/1994 | EP0614199A1 Modular transformer structure |
| 09/07/1994 | EP0553175B1 Dry transformer or choke coil and process for making it |
| 09/07/1994 | CN2176590Y Shell for high-low voltage current and voltage transformer |
| 09/07/1994 | CN2176589Y Current transformer with dry sleeve |
| 09/06/1994 | US5345208 Pole face design for a C-shaped superconducting magnet |
| 09/06/1994 | US5345169 Current measuring device |
| 09/01/1994 | WO1994019811A1 Coil component and method of punching core used for the coil component |
| 08/31/1994 | CN2175976Y Casing adapter for electric power equipment |
| 08/31/1994 | CN1091547A Two-phase/single-phase three-wire transformer |
| 08/31/1994 | CN1091546A Two-phase, three-wire transformer |
| 08/30/1994 | US5343184 Electric noise absorber |
| 08/30/1994 | US5343080 Harmonic cancellation system |
| 08/25/1994 | DE4305521A1 Disc winding for a coreless inductor cooled by a coolant |
| 08/24/1994 | EP0532594B1 Transformer |
| 08/24/1994 | CN2175462Y Transformer with no sealing for neon light |
| 08/24/1994 | CN2175461Y Multi-function protecting joint head for transformer |
| 08/23/1994 | US5341281 Harmonic compensator using low leakage reactance transformer |
| 08/17/1994 | EP0611084A1 Magnetic structures |
| 08/17/1994 | CN2174772Y Anti-theft internal lock for transformer |
| 08/16/1994 | US5338602 Article of manufacture |
| 08/11/1994 | DE4303783A1 Method for cleaning transformer oils and arrangement for carrying out the method |
| 08/10/1994 | EP0609944A1 Inductive device |
| 08/10/1994 | EP0609850A2 Transformer unit and coil case and coil bobbin for use therefor |
| 08/10/1994 | CN2173987Y 多功能牵引变压器 Multi-function traction transformer |
| 08/10/1994 | CN2173985Y Short magnetic circuit high-efficiency energy-saving high voltage device for cold cathode gas discharge lamp |
| 08/09/1994 | US5337034 Transformer mounting assembly |
| 08/09/1994 | US5336847 Stationary induction apparatus containing uninflammable insulating liquid |
| 08/03/1994 | EP0609155A2 Shielding device for a switching power supply transformer |
| 08/03/1994 | EP0609109A1 Bobbin for secondary winding of ignition coil for internal combustion engine |
| 08/03/1994 | CN1090425A Current voltage transformer with thermosetting plastic shell |
| 08/02/1994 | CA2015156C Flux spreading thin film magnetic devices |
| 07/29/1994 | CA2114370A1 Secondary winding core for internal combustion engine ignition coil |
| 07/28/1994 | DE4243090C1 Distance piece for coolant channel formation, esp. in power transformer |
| 07/27/1994 | EP0608179A1 Method and apparatus for compensation of field distortion in a magnetic structure |
| 07/27/1994 | EP0608127A1 Insulation system for magnetic windings having stacked planar conductors |
| 07/27/1994 | EP0607898A2 Pi signal frequency filter and method of manufacture |
| 07/27/1994 | EP0573469B1 Method for fixing a winding to an electronic circuit |
| 07/21/1994 | DE4244636A1 Completing method for transformer or choke container |
| 07/21/1994 | DE4238759A1 Sealing arrangement between transformer basin and cover |
| 07/20/1994 | CN2172519Y fully enclosed high voltage compound mutual-inductor |
| 07/20/1994 | CN2172518Y Closed iron core |
| 07/19/1994 | US5331536 Low leakage high current transformer |
| 07/19/1994 | US5331304 Amorphous metal transformer core |
| 07/19/1994 | US5331298 Inductive device for an electromagnetic delay line and method for fabricating the same |
| 07/19/1994 | US5331271 Compensation scheme for reducing effective transformer leakage inductance |
| 07/14/1994 | DE4300352A1 Mfg. dry insulated tubular induction device coil |
| 07/13/1994 | EP0606181A1 A transformer, in particular a measuring transformer e.g. for detecting faults in electric cables |
| 07/13/1994 | EP0605412A1 Process for manufacturing coil windings. |
| 07/12/1994 | US5329270 Transformer core comprising groups of amorphous steel strips wrapped about the core window |
| 07/12/1994 | US5327605 Energy-absorbing span lock system for drawbridges |
| 07/09/1994 | CA2112935A1 Transformer, particularly measuring transformer, for detecting electrical cable defects for instance |
| 07/08/1994 | CA2086909A1 Replaceable transformer for general service lamp |
| 07/07/1994 | WO1994015346A1 Air-cooled magnetic cores |
| 07/07/1994 | DE4244634A1 Guidance and protection arrangement for conductors on outside of transformer tanks |
| 07/06/1994 | CN2171151Y Four yoke shell single-phase transformer |
| 07/06/1994 | CN2171150Y Theft-proof power transformer |
| 07/06/1994 | CN2171149Y Transformer with lightning arrester |
| 07/06/1994 | CN1089058A Improved edge coating for amorphous ribbon transformer cores |
| 07/05/1994 | US5327113 Transformer with coil compression |
| 07/05/1994 | US5326935 Multi-layered insulated wire for high frequency transformer winding |
| 06/29/1994 | EP0603857A1 Ring core transformer with parasitic voltage shielding |
| 06/29/1994 | CN2170567Y Power current transformer with special coil |
| 06/29/1994 | CN2170565Y 8-shaped three-core column iron core without joint |
| 06/29/1994 | CN1025260C Electromagnetic compatible non-resonance voltage mutual-inductor |
| 06/28/1994 | US5324886 Insulating-liquid immersed electrical machine |
| 06/28/1994 | US5324767 Thermosetting resin composition for casting high-voltage coil, and molded coil and panel formed by casting and curing the composition |
| 06/23/1994 | WO1994014174A1 Flexible transformer apparatus particularly adapted for high voltage operation |
| 06/23/1994 | DE4243130A1 Isolation transformer operating as current converter |
| 06/22/1994 | EP0602528A1 Transformer |
| 06/22/1994 | CN2169905Y Composite film aluminium band winding transformer |
| 06/22/1994 | CN2169904Y Full working condition plateau current mutual inductor |
| 06/22/1994 | CN1088354A Iron core of transformer |
| 06/22/1994 | CN1088353A Integrated emi/rfifilter magnetics |
| 06/22/1994 | CN1088349A Wire |
| 06/21/1994 | US5322971 Motor control system and components thereof |
| 06/21/1994 | US5321965 Inductor winding apparatus and method |
| 06/21/1994 | US5321883 Apparatus for making a transformer core comprising strips of amorphous stell wrapped around the core window |
| 06/16/1994 | DE4241604A1 Rod core choke for interference suppression of domestic machines - has rod core choke winding with different numbers of layers along rod core regions |
| 06/15/1994 | EP0601919A1 Blocking device for windings of air core inductance |
| 06/15/1994 | EP0601791A1 Surface-mount power magnetic device and method of making the same |
| 06/15/1994 | EP0601779A1 Improved sintered ceramic components and method for making same |
| 06/15/1994 | EP0601776A1 Spiral, self-terminating coil and method of making the same |
| 06/15/1994 | CN2169191Y Energy-saving foil transformer |
| 06/14/1994 | US5321572 Transformer bobbin |
| 06/14/1994 | US5321380 Low profile printed circuit board |
| 06/14/1994 | US5321379 Transformer with amorphous alloy core having chip containment means |
| 06/09/1994 | WO1994012993A1 Core-form transformer with liquid coolant flow diversion bands |
| 06/09/1994 | WO1994012957A1 Detection tag |
| 06/09/1994 | WO1994012817A1 Relief valve |
| 06/09/1994 | DE4340594A1 Electronic surface mount device - has electronic element with exposed flat surface in its upper region for drawing up device with suction nozzle |
| 06/09/1994 | CA2149531A1 Core-form transformer with liquid coolant flow diversion bands |
| 06/08/1994 | EP0600612A1 Air core reactor with conductor winding rigidly anchored to structural sleeve |