Patents
US 11975386 B2: Structures utilizing a structured magnetic material and methods for making
- Granted
- 2024-05-07
- Filed
- 2022-07-13 application 17863486
- Type
- Utility · 13 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A motor comprises a stator comprising at least one core; a coil wound on the at least one core of the stator; a rotor having a rotor pole and being rotatably mounted relative to the stator; and at least one magnet disposed between the rotor and the stator. The at least one core comprises a composite material defined by iron-containing particles having an alumina layer disposed thereon.
Source: PVGPATDIS, file of 2026-04-10 (ipg240507_r1.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Persimmon Technologies Corporation 119 patents | US company or organization | Wakefield, MA | PERSIMMON TECHNOLOGIES CORPORATION State business registration EXACT high confidence: identical full name and state Persimmon Technologies Corp Form D issuer FUZZY medium confidence: same name (legal endings aside) and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Martin Hosek | Lowell, MA | 146 | PVGPATDIS, file of 2026-04-10 | |
| Sripati Sah | Wakefield, MA | 28 | PVGPATDIS, file of 2026-04-10 | |
| Jayaraman Krishnasamy | Boxborough, MA | 28 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B22F | Working metallic powder; manufacture of articles from metallic powder; making metallic powder ; apparatus or devices specially adapted for metallic powder | B22F1/16 | PVGPATDIS, file of 2026-04-10 |
| C23C | Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general | C23C4/06 | PVGPATDIS, file of 2026-04-10 |
| H01F | Magnets; inductances; transformers; selection of materials for their magnetic properties | H01F1/24 | PVGPATDIS, file of 2026-04-10 |
| H02K | Dynamo-electric machines | H02K1/02 | PVGPATDIS, file of 2026-04-10 |
| C22C | Alloys | C22C2202/02 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.