Class H02K : DYNAMO-ELECTRIC MACHINES
Subclass 1/20: 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 shape, form, or construction Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12266973 | Stator for an electric motor, encompassing an overmolded metal framework through which coolant can flow, having a cover that can be welded on | Feb 12, 21 | Apr 01, 25 | Röchling Automotive SE & Co. KG |
| 12266974 | Stator assembly, electrical motor, wind power generator set and method for cooling stator assembly | Dec 06, 22 | Apr 01, 25 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. |
| 12266996 | Liquid cooled motors using hydraulic expansion tubes with corrugated contact | Dec 22, 21 | Apr 01, 25 | ABB Schweiz AG |
| 12261483 | Electric machine with low profile retention assembly for retention of stator core | Oct 28, 22 | Mar 25, 25 | GE Infrastructure Technology, LLC |
| 12249868 | Rotating electric machine | Feb 15, 22 | Mar 11, 25 | SINFONIA TECHNOLOGY CO., LTD. |
| 12249870 | Motor with liquid cooled stator core | Jun 01, 21 | Mar 11, 25 | 501 Toyota Jidosha Kabushiki Kaisha |
| 12249892 | Cooling jacket for cooling permanent magnet synchronous electric motor | Dec 13, 22 | Mar 11, 25 | VINFAST TRADING AND PRODUCTION JOINT STOCK COMPANY |
| 12244177 | Axial flux electric machine including cooling fins projecting from casing to spaces between windings on stator cores | May 16, 22 | Mar 04, 25 | GM Global Technology Operations LLC |
| 12244178 | Thermal connection system for a stator core of an axial flux electric motor | Jul 26, 22 | Mar 04, 25 | GM Global Technology Operations LLC |
| 12244179 | Alternate stator slots using common manifold interface for bidirectional stator cooling | Mar 26, 24 | Mar 04, 25 | Rivian IP Holdings, LLC |
| 12237721 | Electric machine with helical cooling path | Nov 09, 21 | Feb 25, 25 | Ford Global Technologies, LLC |
| 12231002 | Motor cooling structure, drive assembly and vehicle | Dec 22, 20 | Feb 18, 25 | GREAT WALL MOTOR COMPANY LIMITED |
| 12231026 | Stator for a rotating electrical machine | Nov 04, 20 | Feb 18, 25 | CUMMINS GENERATOR TECHNOLOGIES LTD |
| 12224652 | Motor cooling structure | Jul 22, 21 | Feb 11, 25 | Hyundai Motor Company; KIA CORPORATION; |
| 12224653 | Electric motor vehicle traction motor with stator having slot molding and liquid cooled end winding | Mar 24, 22 | Feb 11, 25 | Dr. Ing. h.c. F. Porsche Aktiengesellschaft |
| 12212186 | Cooling arrangement for cooling a stator for an electric motor | Dec 17, 21 | Jan 28, 25 | ZF Friedrichshafen AG |
| 12212201 | Cooling system, stator for rotating electric machine, and segment coil | May 23, 22 | Jan 28, 25 | 501 Toyota Jidosha Kabushiki Kaisha |
| 12212216 | Motor cooling apparatus | Feb 25, 22 | Jan 28, 25 | Hyundai Motor Company; KIA CORPORATION; |
| 12202618 | Fan device and aircraft having the same | Jan 13, 22 | Jan 21, 25 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 12199020 | Integrated power switching device heat sink | Oct 18, 21 | Jan 14, 25 | American Axle & Manufacturing, Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0119,004 | ELECTRIC MACHINE COOLING | Oct 06, 23 | Apr 10, 25 | Not available |
| 2025/0112,513 | ROTATING ELECTRICAL MACHINE | Sep 30, 24 | Apr 03, 25 | Not available |
| 2025/0105,684 | COOLING OF STATOR AND WINDINGS OF ELECTRIC MOTOR IN INTEGRATED COMPRESSOR | Sep 25, 23 | Mar 27, 25 | Solar Turbines Incorporated |
| 2025/0096,623 | STATOR SLEEVE FOR ELECTRIC MACHINE | Sep 19, 23 | Mar 20, 25 | Not available |
| 2025/0096,625 | STATOR | Dec 15, 22 | Mar 20, 25 | Schaeffler Technologies AG & Co. KG |
| 2025/0096,626 | ELECTRIC MOTOR COOLING CHANNELS | Sep 16, 24 | Mar 20, 25 | Not available |
| 2025/0096,636 | MOTOR AND MOTOR ASSEMBLY | Nov 27, 24 | Mar 20, 25 | Not available |
| 2025/0088,045 | MOTOR/GENERATOR AND MOTOR DRIVE CIRCUIT | Nov 26, 24 | Mar 13, 25 | Not available |
| 2025/0088,049 | STATOR ARRANGEMENT AND METHOD FOR MANUFACTURING A STATOR ARRANGEMENT | Jul 06, 22 | Mar 13, 25 | Not available |
| 2025/0074,607 | ELECTRICALLY-POWERED TURBOMACHINE ASSEMBLIES | Apr 30, 24 | Mar 06, 25 | Not available |
| 2025/0079,914 | REDUCTION OF COOLING GAS INDUCED RADIAL FORCES AND RECIRCULATION FLOWS IN ELECTRIC MOTOR OF INTEGRATED COMPRESSOR | Sep 05, 23 | Mar 06, 25 | Solar Turbines Incorporated |
| 2025/0079,939 | COOLING GUIDE STRUCTURE OF MOTOR | Jun 14, 24 | Mar 06, 25 | Hyundai Mobis Co. Ltd. |
| 2025/0062,647 | STATOR FOR MOTOR, MOTOR, AND HOUSEHOLD APPLIANCE | Jun 24, 24 | Feb 20, 25 | Not available |
| 2025/0047,152 | MOTOR COOLING SYSTEM | Apr 23, 24 | Feb 06, 25 | Hyundai Mobis Co. Ltd. |
| 2025/0038,585 | MOTOR, COMPRESSOR, AND REFRIGERATION CYCLE APPARATUS | Oct 27, 21 | Jan 30, 25 | Not available |
| 2025/0030,292 | ELECTRIC MOTOR | Jul 12, 24 | Jan 23, 25 | Not available |
| 2025/0030,301 | ELECTRIC MOTOR | Jul 11, 24 | Jan 23, 25 | Not available |
| 2025/0023,400 | ELECTRICAL MACHINE HAVING SHAPED SOFT METAL COMPOSITE COMPONENTS WITH AXIAL AND RADIAL AIRGAPS | Sep 27, 24 | Jan 16, 25 | Not available |
| 2025/0023,433 | ELECTRIC DRIVE UNIT | Jul 09, 24 | Jan 16, 25 | Dr. Ing. h. c. F. Porsche AG |
| 2025/0015,649 | Electric motor, in particular for installation in a wheel body of a motorcycle | Nov 18, 22 | Jan 09, 25 | Not available |
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