Assignee
SCIENT DRILLING CONTROLS
7 granted patents·225 citations·filing 1976–1980
Top patents by PatentIndex Score
7 records- 0193US4181014ARemote well signalling apparatus and methodsSCIENT DRILLING CONTROLS·Filed 1978·Granted Jan 1, 1980·109 cites·39 claims
- 0282US4157619AInclination and direction responsive apparatusSCIENT DRILLING CONTROLS·Filed 1977·Granted Jun 12, 1979·32 cites·20 claims
- 0369US4325438ALengthening drill string containing an instrumentSCIENT DRILLING CONTROLS·Filed 1980·Granted Apr 20, 1982·37 cites·36 claims
- 0457US4143721AChange in length of drill string containing an instrumentSCIENT DRILLING CONTROLS·Filed 1977·Granted Mar 13, 1979·20 cites·16 claims
- 0555US4153120AChange in length of drill string while instrument remains thereinSCIENT DRILLING CONTROLS·Filed 1977·Granted May 8, 1979·19 cites·25 claims
- 0642US4139950ADirection responsive flux gate unitSCIENT DRILLING CONTROLS·Filed 1976·Granted Feb 20, 1979·6 cites·19 claims
- 0731US4178567APeriod-modulated voltage controlled oscillatorSCIENT DRILLING CONTROLS·Filed 1978·Granted Dec 11, 1979·2 cites·15 claims
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