Inventor · disambiguated record
Kenneth E. Opal
Also filed as: OPAL KENNETH · OPAL KENNETH E
4 granted patents·324 citations·filing 1979–1994
82Inventor score
Top patents by PatentIndex Score
4 records- 0191US5638263ALow and medium voltage PWM AC/DC power conversion method and apparatusHALMAR ROBICON GROUP·Filed 1994·Granted Jun 10, 1997·175 cites·43 claims
- 0285US4224663AMounting assembly for semiconductive controlled rectifiersPOWER CONTROL CORP·Filed 1979·Granted Sep 23, 1980·77 cites·13 claims
- 0378US5204595AMethod and apparatus for controlling a walking beam pumpMAGNETEK INC·Filed 1991·Granted Apr 20, 1993·55 cites·10 claims
- 0469US4293905AMethod and apparatus for controlling power and optimizing power factor in an AC-to-DC converterPOWER CONTROL CORP·Filed 1979·Granted Oct 6, 1981·17 cites·7 claims
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