Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 27 - Details of transformers or inductances, in general
Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
07/1998
07/02/1998WO1998028452A1 Process for the production of oriented-grain electrical steel sheet with high magnetic characteristics
07/02/1998WO1998028451A1 Process for the production of grain oriented silicon steel sheet
07/02/1998WO1998011765A3 Improvements relating to inductive assemblies in electronic circuits
07/01/1998EP0850483A1 An insulated conductor and process for making an insulated conductor
07/01/1998CN2285506Y High energy-saving low-noise surround iron core transformer
06/1998
06/30/1998US5774028 Surface mount line filter with solder gas discharge paths in the core
06/30/1998US5773758 Device for fitting and gripping of a flexible cable in a cylindrical orifice and high-voltage transformer euipped with this device
06/30/1998CA2004444C Arrester with external isolator
06/25/1998WO1998027636A1 Device and method relating to protection of an object against over-currents comprising over-current reduction
06/25/1998WO1998027635A1 Device and method relating to protection of an object against over-currents comprising over-current reduction and current limitation
06/25/1998WO1998027634A1 Device and method relating to protection of an object against over-currents comprising over-current reduction
06/25/1998DE19653387A1 Prepreg for transformer insulation
06/25/1998DE19652638A1 HT transformer
06/25/1998CA2279394A1 Device and method relating to protection of an object against over-currents comprising over-current reduction
06/25/1998CA2275638A1 Device and method relating to protection of an object against over-currents comprising over-current reduction and current limitation
06/25/1998CA2275616A1 Device and method relating to protection of an object against over-currents comprising over-current reduction
06/24/1998CN1185646A Earth leakage circuit-breaker
06/23/1998US5770992 Transformer with overshoot compensation coil
06/23/1998US5770991 Inductor winding with conductive ribbon
06/18/1998WO1998026435A1 Dry transformer
06/18/1998DE19652039A1 Pulse transformer with primary and secondary as spiralling conductive tracks
06/18/1998DE19650555A1 Cable termination device for HV transformer winding
06/17/1998EP0848396A1 Transformer for switched-mode power supply
06/17/1998EP0848393A1 Static electric device
06/17/1998EP0848392A1 Encased magnetic core
06/17/1998EP0748471A4 An electrically controllable inductor
06/17/1998CN1185011A Choke coil
06/17/1998CN1185010A Switched made power supply transformers
06/16/1998US5768113 High power and high voltage power supply including a non-resonant step-up circuit
06/16/1998US5767760 Foils
06/16/1998US5767759 Inductor with plural linearly aligned spaced apart ferrite cores
06/16/1998US5766517 Coolant; alpha-olefin oligomers, an aromatic hydrocarbon, antioxidant and diepoxide
06/16/1998US5766464 Fluid filtration system positionable within a fluid-containing apparatus
06/11/1998WO1998025279A1 Converter transformer
06/10/1998EP0847125A1 An assembled structure having an enlarged heat transfer area for heat radiation therefrom
06/10/1998EP0847109A2 Laminated article comprising coupling elements of male-female type
06/10/1998EP0847064A1 Coil assembly for a solenoid valve
06/10/1998EP0532594B2 Transformer
06/10/1998CN2283916Y Wide frame transformer core lamination
06/09/1998US5764126 Chip coil
06/09/1998US5764125 Suppressor case with rocking ferrite
06/09/1998US5764123 Transformer with reduced signal rise time
06/09/1998US5764122 Winding arrangement of a coil
06/09/1998US5761791 Method of manufacturing a chip transformer
06/04/1998WO1998024164A1 Coating agent for producing an electric insulating coating on an electro steel sheet
06/04/1998WO1998024099A1 Multiple single layer monolithic passive integrated circuits and method
06/04/1998WO1998024098A1 Improvements in and relating to coils
06/04/1998WO1998024097A1 Electrical component
06/04/1998CA2216848A1 Static electrical apparatus
06/03/1998EP0845792A2 Wire wound electronic component and method of manufacturing the same
06/03/1998CN1183621A Tech. scheme for sealing oi reservoir for transformer
06/02/1998US5760671 Transformer with dual flux path
06/02/1998US5760670 Transformer core structure
06/02/1998US5760669 Low profile inductor/transformer component
06/02/1998US5760456 Integrated circuit compatible planar inductors with increased Q
05/1998
05/28/1998WO1998022958A1 Electrode for field control
05/28/1998DE19650996A1 Kontaktelement Contact member
05/28/1998DE19648613A1 Procedure for making shunt wire terminal for high current bushing on transformers and chokes
05/28/1998DE19648208A1 System keeping pentaerythrite tetraester transformer insulation dry
05/28/1998CA2272859A1 Electrode for field control
05/27/1998EP0844733A2 Low-pass filter
05/27/1998EP0844628A1 Process for producing a magnetic core of nanocristalline soft magnetic material
05/27/1998EP0844626A1 Transformer
05/27/1998EP0844625A2 Multilayer electronic part and method for producing the same
05/26/1998US5757258 High voltage isolating transformer module with substrates separated by a fixed distance
05/26/1998CA2114564C Transformer unit and coil case and coil bobbin for use therefor
05/26/1998CA2017472C Method for reclassifying pcb transformers
05/20/1998EP0843410A2 Inductance-capacitance composite component
05/20/1998EP0843325A1 Small transformer
05/20/1998DE19645903A1 Electrical protective circuit for model railway layouts
05/19/1998US5754088 Planar transformer and method of manufacture
05/19/1998US5754087 High-voltage transformer for a television receiver
05/19/1998US5754086 Transformer unit and coil case and coil bobbin for use therefor
05/19/1998US5754034 Electrically controllable inductor
05/19/1998CA2055010C Mini-transformer and method for producing the same
05/14/1998WO1998013838A3 Power equipment for use underwater
05/14/1998DE19645098A1 Coil element such as choke or transformer for ballast of gas-discharge or fluorescent light
05/13/1998EP0750785B1 Planar transformer for a switched-mode power supply used for producing low voltages and a method of manufacturing the said transformer
05/13/1998CN2281580Y Dry transformer blower
05/12/1998US5751284 Current signal correction process and device
05/12/1998US5751207 Noise suppression chokes
05/12/1998US5751204 Protective casing for non-sheathing transformer
05/12/1998US5751203 Inductor with terminal table
05/12/1998US5750935 Mounting device for attaching a component through an aperture in a circuit board
05/07/1998WO1998019319A1 Magnetic tube and inductive devices
05/07/1998WO1998019318A1 Inductor
05/07/1998CA2268716A1 Inductor
05/06/1998EP0782755B1 Power supply conductor from the conductive foil of the foil winding of a power transformer
05/06/1998EP0780027B1 Antenna coil
05/05/1998US5748065 Chip inductor
05/05/1998US5748064 Low profile reactor
05/05/1998US5748013 Combined magnetic core
05/05/1998US5747980 Differential transformer correction by compensation
04/1998
04/30/1998WO1998018143A1 Choke coil
04/29/1998CN2280345Y End-buried type mutual-inductor
04/29/1998CN2280343Y Laminated sheet type iron core transformer
04/29/1998CN2280342Y Transformer's casing of neon light
04/29/1998CN1038209C Method for manufacturing amorphous alloy thin band rectangle iron core
04/28/1998US5745321 High-tension transformer particularly for use with discharge-type tubular lighting fixtures
04/28/1998US5745021 Line filter
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