| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 07/31/2013 | CN103225712A Rain cover of 750 kv high-voltage reactor pressure relief valve |
| 07/31/2013 | CN102360779B Subway dry-type transformer matched with pulse width modulation rectifying system |
| 07/31/2013 | CN102237174B Static induction electric appliance |
| 07/31/2013 | CN101924489B Non-thermal plasma pulse power supply |
| 07/31/2013 | CN101916123B Transformer temperature controller with external heating elements |
| 07/31/2013 | CA2803736A1 Transformer enclosure having a drop-down sill gate |
| 07/30/2013 | US8497756 Reactor core and reactor |
| 07/30/2013 | US8497755 Hybrid transformer with transformation and improved harmonics functions, unbalanced current, and a power supply system thereof |
| 07/30/2013 | US8497601 Wireless energy transfer converters |
| 07/25/2013 | WO2013108735A1 Dust core, coil component, and method for producing dust core |
| 07/25/2013 | WO2013108651A1 Interrupt device for rf signal |
| 07/25/2013 | WO2013108643A1 Compressed soft magnetic powder body |
| 07/25/2013 | WO2013108247A1 Three-phase magnetic cores for magnetic induction devices and methods for manufacturing them |
| 07/25/2013 | WO2013107481A1 Transformer-core |
| 07/25/2013 | WO2013107480A1 Transformer-core |
| 07/25/2013 | WO2013107479A1 High-voltage-transformer |
| 07/25/2013 | US20130187741 Auto-transformer rectifier unit core |
| 07/25/2013 | US20130187738 Electrical apparatus having a thermally conductive bobbin |
| 07/25/2013 | US20130187737 Method For Making Magnetic Components With M-Phase Coupling, And Related Inductor Structures |
| 07/25/2013 | DE102012201002A1 Two-piece summation current transformer housing for earth-leakage circuit breaker, has auxiliary housing portion linked with main housing portion by tape core, and inner hollow cylinder that is formed inside main housing portion |
| 07/25/2013 | DE102012000906A1 Spulenanordnung für ein System zur induktiven Energieübertragung Coil assembly for a system for inductive energy transfer |
| 07/25/2013 | CA2861434A1 Three-phase magnetic cores for magnetic induction devices and methods for manufacturing them |
| 07/24/2013 | EP2618348A2 Electrical apparatus having a thermally conductive bobbin |
| 07/24/2013 | EP2618347A1 Transformer-core |
| 07/24/2013 | EP2618346A1 Transformer-core |
| 07/24/2013 | EP2618345A1 Magnetic component and manufacturing method for the magnetic component |
| 07/24/2013 | EP2618344A1 Coil apparatus having coil arrangement that includes a ferrite layer and a thermally-conductive silicone layer |
| 07/24/2013 | EP2618343A1 High-voltage-transformer |
| 07/24/2013 | EP2617044A1 Integrated cooling system |
| 07/24/2013 | CN203086354U An air-cooled large-power high-frequency switching power supply voltage-transforming and rectifying device |
| 07/24/2013 | CN203085981U 500kV main transformer incoming line configuration structure |
| 07/24/2013 | CN203085353U Novel magnetic core blank structure |
| 07/24/2013 | CN203085351U Adjustable multi-purpose switch bracket |
| 07/24/2013 | CN203085349U Electronic current transformer integrated on breaker |
| 07/24/2013 | CN203085348U Current transformer |
| 07/24/2013 | CN203085347U 0.2 Ss-level special-type high-voltage measurement current mutual inductor |
| 07/24/2013 | CN203085346U Current transformer fixing device |
| 07/24/2013 | CN203085345U Zero-sequence current mutual inductor |
| 07/24/2013 | CN203085344U Integrated digital current transformer |
| 07/24/2013 | CN203085343U Bottom plate structure for electromagnetic voltage transformer |
| 07/24/2013 | CN203085342U High-voltage mutual inductor for electrical equipment |
| 07/24/2013 | CN203085341U Transformer for gas insulation counter |
| 07/24/2013 | CN203085339U Compensation transformer apparatus with function of anti-inverse-surge |
| 07/24/2013 | CN203085338U Integrated high frequency power transformer |
| 07/24/2013 | CN203085337U Three-phase tuning electric reactor provided with temperature protection structure |
| 07/24/2013 | CN203085336U Anti-resonance noise-reducing box type noise-reducing transformer |
| 07/24/2013 | CN203085335U Glue impregnated paper capacitance-type transformer bushing |
| 07/24/2013 | CN203085334U High-voltage transformer structure |
| 07/24/2013 | CN203085333U Coil outgoing structure |
| 07/24/2013 | CN203085332U Core of amorphous alloy electric transformer |
| 07/24/2013 | CN203085331U Dry type transformer tapping nut structure |
| 07/24/2013 | CN203085330U Voltage-regulating coil outgoing structure of transformer |
| 07/24/2013 | CN203085329U On-load voltage regulating autotransformer with double apparatus bodies |
| 07/24/2013 | CN203085328U Electric reactor of low-voltage compensation device |
| 07/24/2013 | CN203085327U High-voltage connecting device of dry-type electric transformer |
| 07/24/2013 | CN203085326U Iron core plate anti-creeping-down device |
| 07/24/2013 | CN203085325U Magnetic core |
| 07/24/2013 | CN203085324U Magnetic core |
| 07/24/2013 | CN203085323U Transformer |
| 07/24/2013 | CN203085322U Water-cooling high-power high-frequency power transformer |
| 07/24/2013 | CN203085321U Equipotential device of edges of oil tanks of large transformer |
| 07/24/2013 | CN203085320U Installing structure of transformer breather |
| 07/24/2013 | CN203085319U Valve side insulating structure for guide rod type direct current casing pipe |
| 07/24/2013 | CN203085318U Transformer oil-collecting tube or air-connecting tube flange shading structure |
| 07/24/2013 | CN203085317U Sliding mechanism of regulating transformer |
| 07/24/2013 | CN203085316U Inductor and mutual inductance device |
| 07/24/2013 | CN203082306U Baffle-type one-way overspeed closing valve |
| 07/24/2013 | CN203082204U Stopper for oil filling port of transformer |
| 07/24/2013 | CN103222018A 点火线圈 Ignition coils |
| 07/24/2013 | CN103222017A Predicting the remaining life of a transformer |
| 07/24/2013 | CN103222016A Improved polyamide electrical insulation for use in liquid filled transformers |
| 07/24/2013 | CN103219147A Automatic permalloy annular iron core winding machine |
| 07/24/2013 | CN103219143A Standard DC (Direct Current) component resisting mutual inductor |
| 07/24/2013 | CN103219141A Alternating current inductor with controllable inductance value |
| 07/24/2013 | CN103219140A Current transformer |
| 07/24/2013 | CN103219138A High-voltage adjustable reactor |
| 07/24/2013 | CN103219137A Self-adapted load type distribution transformer |
| 07/24/2013 | CN103219136A Phase-shift rectification dry-type transformer |
| 07/24/2013 | CN103219135A 电抗器 Reactor |
| 07/24/2013 | CN103219134A Alternating-current electric reactor iron core for railway vehicle |
| 07/24/2013 | CN103219133A Power supply apparatus and its manufacturing method |
| 07/24/2013 | CN103219132A Combined type high-frequency transformer framework |
| 07/24/2013 | CN103219131A Surface mount inductor and method of manufacturing the same |
| 07/24/2013 | CN103219130A Magnetic component and manufacturing method for the magnetic component |
| 07/24/2013 | CN103219129A 电子部件 Electronic components |
| 07/24/2013 | CN102376430B Production method of high-volage coil of voltage mutual inductor |
| 07/24/2013 | CN102364625B Device and method for preventing body of transformer from being dampened |
| 07/24/2013 | CN102360895B Current transformer for gas-insulated metal-enclosed switchgear |
| 07/24/2013 | CN102360835B Epoxy resin pouring dry type transformer |
| 07/24/2013 | CN102360793B Full face type pulling plate and clamping piece structure |
| 07/23/2013 | US8493168 Asymmetric differential inductor |
| 07/23/2013 | US8493167 Transformer having the heat radiation function |
| 07/23/2013 | US8493052 Apparatus and technique to drive a variable load via transformer secondary winding |
| 07/23/2013 | US8492662 Arc-resistant dry type transformer enclosure having arc fault damper apparatus |
| 07/18/2013 | WO2013105397A1 High-frequency module |
| 07/18/2013 | WO2013104042A1 Electromagnetic device for capturing electrons from the ground to generate electricity |
| 07/18/2013 | WO2013063626A3 Heavy-current transformer having a multi-point contacting, transformer element, contact plate and secondary winding, and method for producing such a heavy-current transformer |
| 07/18/2013 | WO2013038783A3 Wireless power transmission device and method thereof |
| 07/18/2013 | US20130183043 Apparatus for employing low ohmic alloy conductors and method for simplifying current drain data retrieval |
| 07/18/2013 | US20130182478 Reactor, converter, and electric power converter |