Class H02K : DYNAMO-ELECTRIC MACHINES
Subclass 1/32: 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 Rotating parts of magnetic circuit with channels or ducts for flow of cooling medium
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12255493 | System and apparatus for segmented axial field rotary energy device | Nov 17, 21 | Mar 18, 25 | Infinitum Electric, Inc. |
| 12255520 | Motor and method for cooling a motor | Dec 30, 20 | Mar 18, 25 | PUNCH POWERTRAIN E-VEHICLES NV |
| 12249873 | Rotary electric machine | Jun 28, 22 | Mar 11, 25 | Mitsubishi Electric Corporation |
| 12240617 | Systems, methods, and mechanical designs for inverters for eVTOL aircraft | Mar 29, 24 | Mar 04, 25 | Archer Aviation, Inc. |
| 12244211 | Rotor cooling system and method with dynamic flow rate control | Sep 09, 22 | Mar 04, 25 | GM Global Technology Operations LLC |
| 12234021 | Systems and methods for improved gearboxes for evtol aircraft | Dec 20, 23 | Feb 25, 25 | Archer Aviation, Inc. |
| 12237727 | Indirect rotor cooling of electric machine | Jul 22, 22 | Feb 25, 25 | RTX CORPORATION |
| 12237751 | Electrically powered engine | Nov 19, 21 | Feb 25, 25 | Not available |
| 12227300 | Systems and methods for oil maintenance in gearboxes for eVTOL aircraft | Mar 28, 24 | Feb 18, 25 | Archer Aviation, Inc. |
| 12231023 | Enhanced convective rotor cooling | Apr 06, 17 | Feb 18, 25 | Not available |
| 12224627 | Rotor assembly for an electric motor | Jul 19, 22 | Feb 11, 25 | BorgWarner Inc. |
| 12218550 | Electric machine thermal management assembly and method | May 04, 22 | Feb 04, 25 | Ford Global Technologies, LLC |
| 12218551 | Rotor carrier for an electric machine and electric machine having the same | May 03, 22 | Feb 04, 25 | ZF FRIEDRICHSHAFEN AG |
| 12208908 | Systems and methods for oil management in gearboxes for eVTOL aircraft | Mar 28, 24 | Jan 28, 25 | Archer Aviation, Inc. |
| 12206291 | Vehicle propulsion unit with electric machine that includes a balancing plate assembly and method for assembling said electric machine | Oct 22, 21 | Jan 21, 25 | Dana Belgium N.V. |
| 12206292 | Method and apparatus for cooling a rotor assembly | Jan 28, 22 | Jan 21, 25 | GE Aviation Systems, LLC |
| 12206293 | Liquid-cooled rotor for an electromechanical energy converter | Feb 24, 21 | Jan 21, 25 | Bayerische Motoren Werke Aktiengesellschaft |
| 12195193 | Systems, methods, and mechanical designs for inverters for eVTOL aircraft | Mar 29, 24 | Jan 14, 25 | Archer Aviation, Inc. |
| 12199475 | Rotor for electrical machines wound with oxidized aluminium strip | Dec 06, 22 | Jan 14, 25 | Thales |
| 12191717 | Rotor with cooling fluid flow channels formed in permanent magnets | Apr 05, 22 | Jan 07, 25 | IHI Corporation |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0119,039 | ROTOR MANUFACTURING APPARATUS AND ROTOR MANUFACTURING METHOD | Oct 07, 24 | Apr 10, 25 | TOYOTA BOSHOKU KABUSHIKI KAISHA |
| 2025/0112,524 | CLOSED-CIRCUIT ROTOR COOLING ARRANGEMENT AND ELECTRIC MACHINE HAVING SAME | Sep 28, 23 | Apr 03, 25 | Not available |
| 2025/0105,688 | RADIAL FLUX ELECTRIC MOTOR WITH AIRGAP COOLING | Sep 26, 23 | Mar 27, 25 | GM Global Technology Operations LLC |
| 2025/0105,689 | ARRANGEMENT FOR COOLING A ROTOR OF AN ELECTRIC MACHINE | Jan 16, 23 | Mar 27, 25 | ZF Friedrichshafen AG |
| 2025/0105,690 | STATOR AND METHOD OF FABRICATING A STATOR | Dec 11, 24 | Mar 27, 25 | Not available |
| 2025/0096,624 | SYSTEM AND APPARATUS FOR SEGMENTED AXIAL FIELD ROTARY ENERGY DEVICE | Dec 04, 24 | Mar 20, 25 | Infinitum Electric, Inc. |
| 2025/0096,630 | MOTOR | Nov 01, 22 | Mar 20, 25 | Not available |
| 2025/0096,636 | MOTOR AND MOTOR ASSEMBLY | Nov 27, 24 | Mar 20, 25 | Not available |
| 2025/0096,644 | POWER DENSE MOTOR WITH THERMAL MANAGEMENT CAPABILITY | Nov 26, 24 | Mar 20, 25 | Prime Datum Development Company, LLC |
| 2025/0088,054 | AXIAL FLUX ELECTRIC MOTOR WITH ROTOR COOLING | Mar 19, 24 | Mar 13, 25 | GM Global Technology Operations LLC |
| 2025/0079,917 | ROTOR HAVING A PLURALITY OF COOLING JETS AND ELECTRIC MOTOR INCLUDING THE SAME | Sep 01, 23 | Mar 06, 25 | BorgWarner Inc. |
| 2025/0079,918 | HAIRPIN COIL COOLING STRUCTURE FOR HAIRPIN WINDING MOTOR | Jul 12, 24 | Mar 06, 25 | Hyundai Mobis Co. Ltd. |
| 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 |
| 2025/0066,028 | REDUNDANT LOAD PATH FOR A TILTABLE AIRCRAFT COMPONENT | Oct 16, 24 | Feb 27, 25 | Archer Aviation, Inc. |
| 2025/0055,335 | ROTOR FOR AN ELECTRIC MACHINE | Oct 28, 24 | Feb 13, 25 | Not available |
| 2025/0055,337 | COVER PLATE OF A ROTOR, ROTOR, AND METHOD FOR MOUNTING A ROTOR | Jul 29, 24 | Feb 13, 25 | Not available |
| 2025/0047,153 | ROTOR FOR AN ELECTRIC MACHINE HAVING A COOLING DUCT IN A POLE SEPARATOR | Dec 12, 22 | Feb 06, 25 | Valeo eAutomotive Germany GmbH |
| 2025/0033,782 | SYSTEMS AND METHODS FOR IMPROVED GEARBOXES FOR EVTOL AIRCRAFT | Oct 10, 24 | Jan 30, 25 | Archer Aviation, Inc. |
| 2025/0038,599 | ROTOR ASSEMBLY AND METHOD OF COOLING | Dec 13, 23 | Jan 30, 25 | Not available |
| 2025/0030,292 | ELECTRIC MOTOR | Jul 12, 24 | Jan 23, 25 | Not available |
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