Patents
US 12633843 B2: Dual multi-level inverter topology with reduced switch count and small DC-link capacitor
- Granted
- 2026-05-19
- Filed
- 2022-12-27 application 18146960
- Type
- Utility · 11 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A dual multi-level inverter topology with reduced switch count and small DC-link capacitor is provided. The inverter topology provides multi-level inverter operation without requiring a neutral point connection that is commonly present in a stacked capacitor topology (for example, a topology including two capacitors).
Source: PTBLXML, file of 2026-05-19 (ipgb20260519.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| The Florida State University Research Foundation, Inc. 604 patents | US company or organization | Tallahassee, FL | THE FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION, INCORPORATED State business registration FUZZY medium confidence: same name (legal endings aside) and state FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION INC Nonprofit FUZZY medium confidence: same name (governing-board words and legal endings aside) and state | PTBLXML, file of 2026-05-19 |
| The Board of Trustees of Michigan State University 669 patents | US company or organization | East Lansing, MI | PTBLXML, file of 2026-05-19 | |
| GM Global Technology Operations LLC 19,536 patents | US company or organization | Detroit, MI | PTBLXML, file of 2026-05-19 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Jinyeong Moon | Tallahassee, FL | 9 | PTBLXML, file of 2026-05-19 | |
| Woongkul Lee | East Lansing, MI | 3 | PTBLXML, file of 2026-05-19 | |
| Muhammad Alvi | Detroit, MI | PTBLXML, file of 2026-05-19 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H02M | Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; conversion of dc or ac input power into surge output power; control or regulation thereof | H02M7/487 | PTBLXML, file of 2026-05-19 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2024-07-02 | Assignment Assignment of assignor's interest | THE FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION, INC. signed 2024-05-07 | THE FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION, INC. TALLAHASSEE, FL THE BOARD OF TRUSTEES OF MICHIGAN STATE UNIVERSITY EAST LANSING, MI | 67897/538 | PASDL, file of 2026-10-15 |
| 2023-08-21 | Assignment Assignment of assignor's interest | MOON, JINYEONG signed 2022-12-23 LEE, WOONGKUL signed 2022-12-23 | THE FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION, INC. TALLAHASSEE, FL | 64649/512 | PASDL, file of 2026-10-15 |
| 2023-02-07 | Assignment Assignment of assignor's interest | ALVI, MUHAMMAD HUSSAIN signed 2023-01-05 | GM GLOBAL TECHNOLOGY OPERATIONS LLC DETROIT, MI | 62612/222 | PASDL, file of 2026-10-15 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
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.