Assignee
LAGOVEN S A
5 granted patents·78 citations·filing 1981–1992
Top patents by PatentIndex Score
5 records- 0159US5267469AMethod and apparatus for testing the physical integrity of production tubing and production casing in gas-lift wells systemsLAGOVEN S A·Filed 1992·Granted Dec 7, 1993·45 cites·17 claims
- 0241US4985696AElectronic controller by resistivity of water-oil interfaceLAGOVEN S A·Filed 1986·Granted Jan 15, 1991·16 cites·7 claims
- 0337US5209175AEmergency release device for drillingLAGOVEN S A·Filed 1991·Granted May 11, 1993·6 cites·14 claims
- 0428US4791985ASystem to proportion assisting fluids in a wellLAGOVEN S A·Filed 1987·Granted Dec 20, 1988·9 cites·4 claims
- 0513US4365781AMethod and apparatus for casting tubular bodiesLAGOVEN S A·Filed 1981·Granted Dec 28, 1982·2 cites·13 claims
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