Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6747373 | System and method for coordinated control of a switched power capacitor with an integrated resonance protection system | Luciano Di Maio, Fabio Gatelli, William Egolf, David G. Hart | 2004-06-08 |
| 6584417 | Method and directional element for fault direction determination in a capacitance-compensated line | Damir Novosel, David G. Hart | 2003-06-24 |
| 6466031 | Systems and methods for locating faults on a transmission line with multiple tapped loads | David Lubkeman, Reto Buettner, David G. Hart | 2002-10-15 |
| 6466030 | Systems and methods for locating faults on a transmission line with a single tapped load | David Lubkeman, Reto Buettner, David G. Hart | 2002-10-15 |
| 6397156 | Impedance measurement system for power system transmission lines | Bernhard Bachmann, David G. Hart, Damir Novosel, Murari Saha | 2002-05-28 |
| 6336059 | Reach-measurement method for distance relays and fault locators on series-compensated transmission lines using local information | Damir Novosel, Bernhard Bachmann, David G. Hart, Murari Saha | 2002-01-01 |
| 6181113 | Harmonic resonance control and protection system for switched power factor control capacitor devices | Le Tang, Harry G. Mathews, Richard E. Tyner | 2001-01-30 |
| 6081768 | Digital peak detector | David G. Hart, Joseph P. Benco, James Stoupis | 2000-06-27 |
| 5956220 | Adaptive distance protection system | Damir Novosel, Murari Saha | 1999-09-21 |
| 5839093 | System for locating faults and estimating fault resistance in distribution networks with tapped loads | Damir Novosel, David G. Hart, Jorma Myllymaki | 1998-11-17 |
| 5805395 | Half-cycle summation V/Hz relay for generator and transformer over-excitation protection | David G. Hart, Damir Novosel, Robert A. Smith | 1998-09-08 |
| 5721689 | System and method for phasor estimation and frequency tracking in digital protection systems | David G. Hart, Damir Novosel, Robert A. Smith | 1998-02-24 |
| 5671112 | Digital integrator V/Hz relay for generator and transformer over-excitation protection | David G. Hart, Damir Novosel, Robert A. Smith | 1997-09-23 |