RF

Ralph W. Folkers

SL Schweitzer Engineering Laboratories: 2 patents #157 of 418Top 40%
BA Battelle Energy Alliance: 1 patents #298 of 611Top 50%
Overall (All Time): #1,577,466 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7582986 Compensated inverse-time undervoltage load shedding systems Jeffrey B. Roberts, Edmund O. Schweitzer, III, Armando Guzman-Casillas, Gabriel Benmouyal 2009-09-01
7453674 Method for protecting an electric generator Barry W. Kuehnle, Jeffrey B. Roberts 2008-11-18
6518767 Line differential protection system for a power transmission line Jeffrey B. Roberts, Gabriel Benmouyal, Hector Altuve-Ferrer, Demetrios Tziouvaras 2003-02-11