WB

William E. Berkopec

EA Eaton: 3 patents #934 of 3,708Top 30%
AC Allen-Bradley Company: 1 patents #228 of 512Top 45%
Overall (All Time): #1,269,652 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6590757 Method and apparatus for detecting and suppressing a parallel arc fault Birger Pahl, Ronald R. Jahn, Slobodan Krstic, Joseph C. Zuercher, Jerome K. Hastings 2003-07-08
6356423 Soild state protection circuit for electrical apparatus Jerome K. Hastings, Karen Sjaarda Bland, James E. Hansen, Scott A. Reid, David J. Gritter +4 more 2002-03-12
6188552 High resistance grounding systems for oil well electrical systems James R. Jaeschke, David Shipp, Martin Baier 2001-02-13
4549122 Method and circuit for DC motor field regulation with speed feedback James A. Burns 1985-10-22