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| More topics under "H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties" (175,410) |
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| H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146) | | H01F 10 - Thin magnetic films, e.g. of one-domain structure (7,026) | | H01F 13 - Apparatus or processes for magnetising or demagnetising (2,363) | | H01F 17 - Fixed inductances of the signal type (10,329) | | H01F 19 - Fixed transformers or mutual inductances of the signal type (1,296) | | H01F 21 - Variable inductances or transformers of the signal type (1,432) | | H01F 27 - Details of transformers or inductances, in general (43,362) | | H01F 29 - Variable transformers or inductances not covered by group (3,889) | | H01F 3 - Cores, yokes or armatures (3,764) | | H01F 30 - Fixed transformers not covered by group (4,595) | | H01F 36 - Transformers with superconductive windings or with windings operating at cryogenic temperatures (252) | | H01F 37 - Fixed inductances not covered by group (2,202) | | H01F 38 - Adaptations of transformers or inductances for specific applications or functions (13,550) | | H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155) | | H01F 5 - Coils (6,752) | | H01F 6 - Superconducting magnets; Superconducting coils (4,230) | | H01F 7 - Magnets (20,067) |
| Patents for H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties (205) |
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| 07/10/1985 | EP0147860A2 Method for replacing PCB-containing coolants in electrical induction apparatus with substantially PCB-free dielectric coolants | | 07/04/1985 | WO1985002937A1 Method for replacing pcb-containing askarels in electrical induction apparatus with pcb-free dielectric coolants | | 05/18/1982 | CA1123925A1 Protection device for insulated parts, and electromagnetic apparatus thus protected | | 02/17/1982 | EP0045900A1 Methods for the continuous conversion of magnetic values into electrical values | | 07/26/1977 | US4037842 Target device for pinball games |
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