Assignee

RIG EFFICIENCY INC

US·2 granted patents·103 citations·filing 1983–1984

Technology mixF02B2 H02J2 H03L2 Y02E2 Y10S1

Top patents by PatentIndex Score

2 records

0189US4590416AClosed loop power factor control for power supply systemsRIG EFFICIENCY INC·Filed 1984·Granted May 20, 1986·85 cites·20 claims
0262US4482857AClosed loop power factor control for drilling rigsRIG EFFICIENCY INC·Filed 1983·Granted Nov 13, 1984·18 cites·20 claims

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