Inventor
KONECNY KARL FRANK
US2 patents
Patents
2 patentsUS5844397ADec 1, 1998
Downhole pumping system with variable speed pulse width modulated inverter coupled to electrical motor via non-gap transformer
REDA PUMP59 citations90
US5909098AJun 1, 1999
Downhole pumping system with variable speed pulse-width modulated inverter coupled to electrical motor via non-gap transformer
REDA PUMP51 citations86