Assignee
GADU INC
BB·4 granted patents·97 citations·filing 1999–2004
Technology mixE21B4
Top patents by PatentIndex Score
4 records- 0161US6640892B1Tubing string rotatorGADU INC·Filed 2002·Granted Nov 4, 2003·25 cites·18 claims
- 0258US7306031B2Tubing string rotator and methodGADU INC·Filed 2004·Granted Dec 11, 2007·22 cites·29 claims
- 0354US7000888B2Pump rod clamp and blowout preventerGADU INC·Filed 2004·Granted Feb 21, 2006·18 cites·20 claims
- 0453US6318459B1Device for anchoring an oil well tubing string within an oil well casingGADU INC·Filed 1999·Granted Nov 20, 2001·32 cites·24 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →