DH

David G. Hart

AA Abb Power Automation: 2 patents #1 of 4Top 25%
AA Abb Technology Ag: 2 patents #1 of 49Top 3%
AC Abb Power T&D Company: 1 patents #1 of 21Top 5%
📍 Raleigh, NC: #12 of 467 inventorsTop 3%
🗺 North Carolina: #77 of 3,093 inventorsTop 3%
Overall (2002): #10,072 of 266,432Top 4%
5
Patents 2002

Issued Patents 2002

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6466030 Systems and methods for locating faults on a transmission line with a single tapped load Yi Hu, David Lubkeman, Reto Buettner 2002-10-15
6466031 Systems and methods for locating faults on a transmission line with multiple tapped loads Yi Hu, David Lubkeman, Reto Buettner 2002-10-15
6453248 High impedance fault detection Damir Novosel, Steven A. Kunsman 2002-09-17
6397156 Impedance measurement system for power system transmission lines Bernhard Bachmann, Yi Hu, 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, Yi Hu, Murari Saha 2002-01-01