Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155) |
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06/08/1988 | EP0270417A1 Inductor |
06/07/1988 | US4749978 Magnet for catching thereon foreign bodies within reticulum or ruminant, and method and instrument for manufacture thereof |
06/07/1988 | CA1237575A1 Method of constructing a padmounted distribution transformer |
06/01/1988 | EP0269347A2 Wound core having cross section periphery with circular and elliptic portions |
05/31/1988 | US4748045 Method and apparatus for photodeposition of films on surfaces |
05/31/1988 | US4747207 Manufacture of magnetic cores from blanks of magnetically permeable sheet material |
05/31/1988 | US4747206 Method of producing electrical coil units, particularly for ignition apparatus |
05/25/1988 | CN87211252U Ballast terminal |
05/24/1988 | US4746889 Method of making a magnet arrangement and magnet arrangement made by the method |
05/24/1988 | US4746580 Read-only magnetic recording media |
05/24/1988 | US4746075 Precision coil winding machine and method |
05/24/1988 | US4745682 Method of connecting coil |
05/24/1988 | US4745677 Method of making an electromagnetic induction apparatus |
05/24/1988 | CA1236964A2 Toroidal electrical transformer and method of producing same |
05/17/1988 | US4744838 Method of continuously processing amorphous metal punchings |
05/11/1988 | DE3735385A1 Process for producing a magneto-optic recording medium |
05/11/1988 | DE3638051A1 Device for processing components |
05/11/1988 | CN87105579A Method of making magnetic core |
05/10/1988 | US4743467 Method for preparing magnetic recording medium |
05/10/1988 | US4743311 Alloys, lasers, milling, diffusion, magnetism, compaction, deformation |
05/10/1988 | CA1236274A1 Method and apparatus for winding torodial coils |
05/10/1988 | CA1236273A1 Strip core winder for core-coil assembly |
05/03/1988 | US4741484 Apparatus and method for winding a magnetic core for toroidal transformer |
05/03/1988 | US4741096 Method of manufacturing wound transformer core |
04/27/1988 | EP0265364A1 Permanent magnet assembly and method of making same |
04/27/1988 | EP0265016A2 Process of making a permanent magnet |
04/27/1988 | EP0265006A1 Method of manufacturing a permanent magnet |
04/27/1988 | EP0264807A1 Winding device |
04/27/1988 | EP0264578A1 Method of winding, and machine for winding and for connecting the terminals for carrying out said method |
04/26/1988 | US4739947 Conical coiling of wire on a spool with at least one conically formed flange |
04/26/1988 | CA1235825A1 Method of making magnetic bubble devices containing bismuth-containing garnet films |
04/21/1988 | DE3732116A1 Magnetisable screen printing ink and process for preparing a sheet magnet |
04/19/1988 | CA1235287A1 Winding machine for odd shaped transformer cores |
04/14/1988 | DE3634668A1 Winding device |
04/12/1988 | US4736513 Miniature inductor and method of manufacturing same |
04/06/1988 | EP0262329A1 Flexible circuit magnetic core winding for a core member |
04/05/1988 | US4735865 Aluminum, silicon, chromium, iron; corrosion resistance |
04/05/1988 | US4734975 Method of manufacturing an amorphous metal transformer core and coil assembly |
04/05/1988 | US4734974 Method of assembling an electrical coil and terminal therefor |
03/31/1988 | DE3732001A1 Method for producing coils having multiple windings on a winding former having connecting tabs for the winding wire, and a machine for carrying out the method |
03/30/1988 | EP0261292A2 Method of producing fully dense permanent magnet alloy article |
03/24/1988 | DE3730132A1 Sheet-metal conveying apparatus |
03/23/1988 | EP0260387A1 Method for producing a magnet arrangement and magnet arrangement obtained by this method |
03/22/1988 | US4733213 Layer winding for electrical equipment |
03/22/1988 | CA1234378A1 Toroidal core winding apparatus |
03/17/1988 | DE3640112C1 Method and device for producing electrodynamic ultrasonic transducer coils |
03/17/1988 | DE3630827A1 Method for making contact with electrical components during manufacture |
03/17/1988 | DE3626197A1 Installation for producing pot-type core coils |
03/16/1988 | EP0259975A1 Method for forming ferrite film |
03/16/1988 | CN87203038U Reverse rewind segment wire pusher attached to the large-size vertical winding machine |
03/15/1988 | US4731299 Composite magnetic material |
03/15/1988 | US4730777 Method and apparatus for winding ring cores, ring coils, ring core parts or ring coil parts |
03/15/1988 | CA1233968A1 Method of making a void-free non-cellulose electrical winding |
03/10/1988 | WO1988001789A1 Apparatus for air gapping the armature in a compound spool valve |
03/09/1988 | EP0259194A2 Forming ferrite film |
03/09/1988 | EP0258796A1 Apparatus for forming windings on rotors of electric machines |
03/09/1988 | EP0258344A1 Electrical component with inductive and capacitive properties. |
03/08/1988 | US4730241 Laminated hybrid integrated DC-DC converter |
03/08/1988 | US4730095 Method of producing planar electrical circuits |
03/02/1988 | EP0257767A1 Improved demagnetization apparatus for magnetic markers used with article surveillance systems |
03/02/1988 | EP0257428A1 Electric connector pin for surface-mountable electric bobbins |
03/02/1988 | EP0257330A1 Winding device for a transmitter |
03/02/1988 | EP0257246A2 Process for the production of a magnetic head |
03/01/1988 | US4728390 High density pattern |
02/24/1988 | EP0256938A2 Lithographic technique using laser for fabrication of electronic components and the like |
02/24/1988 | EP0256347A1 Method of making a magnetic core |
02/24/1988 | CN87104150A Flat coil and method for manufacturing the same |
02/23/1988 | US4726855 Winding annealing coils around yokes of cores, flowing electric current to heat coils |
02/18/1988 | DE3626199A1 Device for producing pot-type core coils |
02/18/1988 | DE3626032A1 Device for producing pot-type core coils |
02/16/1988 | US4725009 Toroidal coil winding machine for tape or heavy wire |
02/16/1988 | US4724604 Method of manufacturing a part with a coil |
02/16/1988 | US4724603 Process for producing a toroidal winding of small dimensions and optimum geometry |
02/11/1988 | DE3626042A1 Method for producing pot-type core coils |
02/11/1988 | DE3626034A1 Method for automatically testing pot-core coils |
02/10/1988 | EP0255613A2 Process for manufacturing bipolar or multipolar permanent magnets with a high magnetic energy density |
02/09/1988 | US4723349 Method of making fixture for the window of a magnetic core |
02/03/1988 | EP0254792A1 Magnetic cores and methods of making the same |
01/27/1988 | EP0254205A2 Process for preparing transparent protective silicon coatings |
01/26/1988 | US4721658 Amorphous magneto optical recording medium |
01/26/1988 | US4721261 Winding appliance for toroidal core coils |
01/26/1988 | US4720916 Process for producing protective envelopes in which corresponding electric-electronic circuit components are dipped |
01/26/1988 | CA1232040A1 Electrical coil assembly and terminal therefor |
01/21/1988 | DE3623485A1 Method for producing high-voltage-resistant transformers and inductors |
01/21/1988 | DE3623271A1 Laminated iron core for transformers and inductors having two or three wound core limbs |
01/20/1988 | EP0253282A2 Thin-film having large kerr rotation angle and production process thereof |
01/19/1988 | CA1231629A1 Process for producing ion implanted bubble device |
01/14/1988 | WO1988000387A1 Process for producing permanent magnets |
01/12/1988 | US4719422 Eddy-current probes especially for the scanning of non-flat profiled surfaces |
01/07/1988 | EP0251993A1 Method of and device for assembling lamination packets, particularly for transformer cores |
01/07/1988 | EP0251321A1 Iron core of electromagnet and method of producing the same |
01/07/1988 | EP0251233A1 Anisotropic rare earth magnet material and production process thereof |
01/07/1988 | EP0251029A1 Method of manufacturing a flat ribbon-shaped coil |
01/05/1988 | US4717627 Dynamic high pressure process for fabricating superconducting and permanent magnetic materials |
01/05/1988 | US4717584 Method of manufacturing a magnetic thin film |
12/29/1987 | US4715904 Method for producing a magnet with radial magnetic anisotropy |
12/29/1987 | US4715891 Method of preparing a magnetic material |
12/23/1987 | EP0250371A1 Method of preparing stacks of laminations for magnetic circuits in transformers or electric motors |
12/22/1987 | US4713877 Method of forming permanent magnets within a motor yoke |
12/15/1987 | US4712723 Method for bonding an insulated wire element on a contact |