Inventor · disambiguated record
Earl J. Curran, Jr.
Also filed as: CURRAN JR EARL J
6 granted patents·191 citations·filing 1982–1987
85Inventor score
Files withSQUARE D CO6
Top patents by PatentIndex Score
6 records- 0189US4912390AApparatus for controlling firing of thyristors relative to a current reaching zero by using a microcomputer and hardware responsive to voltage crossing zeroSQUARE D CO·Filed 1986·Granted Mar 27, 1990·59 cites·8 claims
- 0284US4833628AUp to speed detector for an electric motor using measured values of the current lag; and voltage ramp controller using the up to speed indicationSQUARE D CO·Filed 1986·Granted May 23, 1989·45 cites·13 claims
- 0383US4710692ASelf calibration of the thyristor firing angel of a motor controller using a current window to determine a final value of a reference current lag phase angleSQUARE D CO·Filed 1986·Granted Dec 1, 1987·44 cites·15 claims
- 0468US4634951AReduced voltage starter with voltage ramp controlSQUARE D CO·Filed 1985·Granted Jan 6, 1987·24 cites·9 claims
- 0551US4823226APhase loss detection circuit including transient protectionSQUARE D CO·Filed 1987·Granted Apr 18, 1989·18 cites·7 claims
- 0627US4520304AThree phase scaling current-to-voltage convertorSQUARE D CO·Filed 1982·Granted May 28, 1985·1 cites·1 claims
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