Assignee
CAVINS CORP
US·5 granted patents·1 pending application·140 citations·filing 1987–2004
Technology mixE21B6
Top patents by PatentIndex Score
6 records- 0167US4924940ADownhole cleanout toolCAVINS CORP·Filed 1987·Granted May 15, 1990·42 cites·1 claims
- 0265US4815538AWash tool for well having perforated casingCAVINS CORP·Filed 1988·Granted Mar 28, 1989·37 cites·14 claims
- 0351US5211244AApparatus and method for containing fluids around a wellheadCAVINS CORP·Filed 1991·Granted May 18, 1993·26 cites·32 claims
- 0445US5810410ACombined washover and retrieval deviceCAVINS CORP·Filed 1996·Granted Sep 22, 1998·21 cites·10 claims
- 0538US5887925ACombined washover and retrieval deviceCAVINS CORP·Filed 1997·Granted Mar 30, 1999·14 cites·10 claims
- 0635US2005126779A1Seamless woven wire sintered well screenCAVINS CORP·Filed 2004·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →