Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6453248 | High impedance fault detection | David G. Hart, Steven A. Kunsman | 2002-09-17 |
| 6397156 | Impedance measurement system for power system transmission lines | Bernhard Bachmann, David G. Hart, Yi Hu, Murari Saha | 2002-05-28 |
| 6336059 | Reach-measurement method for distance relays and fault locators on series-compensated transmission lines using local information | Bernhard Bachmann, Yi Hu, David G. Hart, Murari Saha | 2002-01-01 |