Class H02K : DYNAMO-ELECTRIC MACHINES
Subclass 1/02: Details of the magnetic circuit (magnetic circuits or magnets in general, magnetic circuits for transformers for power supply H01F; magnetic circuits for relays H01H 50/16) characterised by the magnetic material
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12260887 | Voice coil motor composite magnet assembly including low-coercivity magnetic material | Sep 27, 23 | Mar 25, 25 | Western Digital Technologies, Inc. |
| 12261484 | Motor, compressor and refrigeration device | Dec 17, 21 | Mar 25, 25 | ANHUI MEIZHI PRECISION MANUFACTURING CO., LTD. |
| 12261486 | System and method for an overlapping independent phase electric motor/generator | Jul 18, 24 | Mar 25, 25 | Linear Labs, Inc. |
| 12255495 | Rotor lamination, method for producing a rotor lamination and electric machine | Sep 24, 20 | Mar 18, 25 | Siemens Aktiengesellschaft |
| 12255505 | Method for manufacturing motor core | May 15, 20 | Mar 18, 25 | JFE Steel Corporation |
| 12255508 | Axial gap type motor and water pump using same | Feb 09, 21 | Mar 18, 25 | Amotech Co., Ltd. |
| 12249874 | Electric motors | Nov 27, 23 | Mar 11, 25 | Tau Motors, Inc. |
| 12233436 | Haptic actuator and electronic device including same | Jan 31, 22 | Feb 25, 25 | Samsung Electronics Co., Ltd. |
| 12237103 | Electrical steel lamination stacks with magnetic insulator coating for electrical apparatus cores | Jan 24, 22 | Feb 25, 25 | Ford Global Technologies LLC |
| 12237718 | Core, stator, and rotating electric device | Apr 18, 24 | Feb 25, 25 | Sumitomo Electric Industries Ltd.; Sumitomo Electric Sintered Alloy, Ltd.; |
| 12231003 | Magnetic circuit with more than one magnet type | Mar 22, 22 | Feb 18, 25 | NIRON MAGNETICS, INC. |
| 12224623 | Electric motor | Apr 23, 21 | Feb 11, 25 | Siemens Aktiengesellschaft |
| 12224624 | Printed circuit board stator axial field rotary energy device with rotor disks and ferromagnetic yoke | May 03, 22 | Feb 11, 25 | Infinitum Electric, Inc. |
| 12217908 | Permanent magnet for use in an electric machine with one or more grooves | Jan 07, 20 | Feb 04, 25 | BOMATEC MANAGEMENT AG |
| 12212182 | Laminated stator composed of symmetrically rotated packages of plates | Jun 11, 21 | Jan 28, 25 | WEG Equipamentos Eletricos SA |
| 12212184 | Generator for driving a predefined load | Jun 27, 23 | Jan 28, 25 | In Motion US, LLC |
| 12206304 | Rotary electric machine and method of manufacturing rotary electric machine | Jan 18, 21 | Jan 21, 25 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 12199469 | Material with directional microstructure | Apr 14, 20 | Jan 14, 25 | PERSIMMON TECHNOLOGIES CORPORATION |
| 12191073 | Magnet device based on the bitter principle and use of a magnet device based on the bitter principle | Aug 18, 21 | Jan 07, 25 | KARLSRUHER INSTITUT FUER TECHNOLOGIE |
| 12180077 | Tailorable polyorbital-hybrid ceramics | Dec 19, 19 | Dec 31, 24 | Lockheed Martin Corporation |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0119,000 | LAMINATED MAGNETIC MATERIAL AND METHOD FOR MANUFACTURING LAMINATED MAGNETIC MATERIAL | Jan 18, 23 | Apr 10, 25 | PROTERIAL, LTD. |
| 2025/0119,012 | Molded Rotor | Oct 03, 24 | Apr 10, 25 | Not available |
| 2025/0112,530 | ROTATING ELECTRIC MACHINE CORE, ROTATING ELECTRIC MACHINE USING THE SAME, AND METHOD OF MANUFACTURING ROTATING ELECTRIC MACHINE CORE | Oct 01, 24 | Apr 03, 25 | Not available |
| 2025/0104,735 | VOICE COIL MOTOR COMPOSITE MAGNET ASSEMBLY INCLUDING LOW-COERCIVITY MAGNETIC MATERIAL | Sep 27, 23 | Mar 27, 25 | Not available |
| 2025/0104,909 | METHOD AND SYSTEMS FOR UNIFORM DISTRIBUTION OF ADDITIVE DOMAINS IN THE GRAIN BOUNDARY OF MAGNETS | Sep 22, 23 | Mar 27, 25 | Not available |
| 2025/0104,910 | Surface Treated Magnetic Material and Magnet | Sep 26, 23 | Mar 27, 25 | ABB Schweiz AG |
| 2025/0105,687 | DYNAMOELECTRIC ROTARY MACHINE | Jan 18, 23 | Mar 27, 25 | Siemens Aktiengesellschaft |
| 2025/0095,916 | RARE EARTH MAGNET, METHOD FOR MANUFACTURING THE SAME, AND MOTOR INCLUDING THE SAME | Aug 29, 24 | Mar 20, 25 | c/o TOYOTA JIDOSHA KABUSHIKI KAISHA |
| 2025/0096,631 | ROTATING ELECTRIC MACHINE | Jul 04, 24 | Mar 20, 25 | KABUSHIKI KAISHA TOSHIBA |
| 2025/0096,658 | METHOD FOR MANUFACTURING BRUSHLESS DC MOTOR | Sep 14, 23 | Mar 20, 25 | Not available |
| 2025/0079,057 | Permanent Magnet for an Electric Machine, Electric Machine, and Method for Producing a Permanent Magnet | Dec 02, 22 | Mar 06, 25 | Not available |
| 2025/0079,959 | MULTI-EXCITATION-SOURCE AXIAL-FLUX PERMANENT-MAGNET MOTOR WITH PARTITIONED, HIERARCHICAL, AND VARIABLE POLES, AND VARIABLE-CONDITION DRIVING CONTROL SYSTEM | May 06, 23 | Mar 06, 25 | JIANGSU UNIVERSITY |
| 2025/0066,892 | NON-ORIENTED ELECTRICAL STEEL SHEET AND MOTOR CORE COMPRISING SAME | Dec 21, 22 | Feb 27, 25 | POSCO CO., LTD |
| 2025/0059,618 | NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR MANUFACTURING SAME, AND MOTOR CORE COMPRISING SAME | Dec 21, 22 | Feb 20, 25 | POSCO CO., LTD |
| 2025/0054,664 | HOT-DEFORMED R-Fe-B MAGNET FOR VARIABLE-MAGNETIC-FORCE MOTOR, VARIABLE-MAGNETIC-FORCE MOTOR, AND ELECTRONIC DEVICE FOR VEHICLE AND HOUSEHOLD | Dec 12, 22 | Feb 13, 25 | NATIONAL INSTITUTE FOR MATERIALS SCIENCE |
| 2025/0055,328 | LAMINATED IRON CORE AND METHOD FOR MANUFACTURING THE SAME | Oct 21, 22 | Feb 13, 25 | Mitsui High-tec Inc. |
| 2025/0055,329 | Laminated Iron Core and Rotating Electric Machine Using the Same | Nov 14, 22 | Feb 13, 25 | Not available |
| 2025/0055,331 | CORE PIECE, STATOR CORE, STATOR, ROTARY ELECTRIC MACHINE, AND METHOD FOR PRODUCING CORE PIECE | Oct 30, 24 | Feb 13, 25 | Sumitomo Electric Industries, Ltd.; Sumitomo Electric Sintered Alloy Ltd.; |
| 2025/0037,910 | BONDED MAGNET AND METHOD OF PREPARING THE SAME | Oct 15, 24 | Jan 30, 25 | Nichia Corporation |
| 2025/0037,911 | SOFT MAGNETIC IRON ALLOY PLATE, IRON CORE USING THE SOFT MAGNETIC IRON ALLOY PLATE, AND ROTATING ELECTRIC MACHINE | Nov 18, 22 | Jan 30, 25 | Not available |
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