Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834309 | Inductor to control transient currents during energized bond on | David James Ball | 2023-12-05 |
| 11362517 | Waveform separator apparatus and method for detecting leakage current in high voltage direct current power systems | David James Ball | 2022-06-14 |
| 10974939 | Inductor to control transient currents during energized bond on | David James Ball | 2021-04-13 |
| 10804703 | Waveform separator apparatus and method for detecting leakage current in high voltage direct current power systems | David James Ball | 2020-10-13 |
| 10620256 | Direct current meter employing waveform separator for detecting leakage current | David James Ball, Donald William McLennan | 2020-04-14 |