Assignee
KRASNOV IGOR
US·3 granted patents·64 citations·filing 1990–1992
Top patents by PatentIndex Score
3 records- 0163US5125148ADrill string torque coupling and method for making up and breaking out drill string connectionsKRASNOV IGOR·Filed 1990·Granted Jun 30, 1992·42 cites·20 claims
- 0239US5265683AFloor drive drilling systemKRASNOV IGOR·Filed 1992·Granted Nov 30, 1993·14 cites·27 claims
- 0333US5275246ADrill string bridge coupler and actuatorKRASNOV IGOR·Filed 1992·Granted Jan 4, 1994·8 cites·17 claims
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