Motor drive unit
US-2025385576-A1 · Dec 18, 2025 · US
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Empringham Lee patents
Empringham Lee is listed as an inventor on 27 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Empringham Lee |
| Total patents | 27 |
| First publication | Sep 14, 2017 |
| Latest publication | Dec 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Motor drive unit
US-2025192650-A1 · Jun 12, 2025 · US
Motor drive unit
US-12113406-B2 · Oct 8, 2024 · US
Motor drive unit
US-2024291353-A1 · Aug 29, 2024 · US
Motor drive unit
US-2024195270-A1 · Jun 13, 2024 · US
Matrix converter control using predicted output current
US-11923780-B2 · Mar 5, 2024 · US
Motor drive unit
US-11855495-B2 · Dec 26, 2023 · US
Motor drive unit
US-11824406-B2 · Nov 21, 2023 · US
Motor drive unit
US-11777380-B2 · Oct 3, 2023 · US
Motor drive unit
US-11777379-B2 · Oct 3, 2023 · US
Recent patents
Latest publications not already listed above.
Matrix converter control using predicted output current
US-2023170815-A1 · Jun 1, 2023 · US
Matrix converter control using predicted output current
US-11509231-B2 · Nov 22, 2022 · US
Motor drive unit
US-11489418-B2 · Nov 1, 2022 · US
Motor assembly for driving a pump or rotary device with a low inductance resistor for a matrix converter
US-2022302786-A1 · Sep 22, 2022 · US
Motor assembly for driving a pump or rotary device with a low inductance resistor for a matrix converter
US-11394264-B2 · Jul 19, 2022 · US
Motor drive unit
US-2022021283-A1 · Jan 20, 2022 · US
Motor drive unit
US-2022021284-A1 · Jan 20, 2022 · US
Motor drive unit
US-2022014077-A1 · Jan 13, 2022 · US
Motor drive unit
US-2021376695-A1 · Dec 2, 2021 · US
Matrix converter control using predicted output current
US-2021273573-A1 · Sep 2, 2021 · US
Motor assembly for driving a pump or rotary device with a low inductance resistor for a matrix converter
US-2021226498-A1 · Jul 22, 2021 · US
Motor drive unit
US-2021152060-A1 · May 20, 2021 · US
Matrix converter control using predicted output current
US-10958183-B2 · Mar 23, 2021 · US
Motor drive unit
US-10855146-B2 · Dec 1, 2020 · US
Matrix Converter Control Method and System
US-2019348921-A1 · Nov 14, 2019 · US
Bidirectional energy transfer control
US-2018294738-A1 · Oct 11, 2018 · US
Motor assembly for driving a pump or rotary device, having power plane with multi-layer power and control printed circuit board assembly
US-2017264171-A1 · Sep 14, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Itt Mfg Enterprises Llc | 25 |
| Itt Mfg Entpr Llc | 1 |
| Itt Mfg Enterprises Llc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H02K11/33 | 20 |
| H02K7/14 | 19 |
| H02K9/06 | 16 |
| H02K2211/03 | 16 |
| H02K11/27 | 16 |