Assignee
SONOMA CORP
US·2 granted patents·391 citations·filing 1995–1996
Technology mixE21B2
Top patents by PatentIndex Score
2 records- 0195US5797454AMethod and apparatus for downhole fluid blast cleaning of oil well casingSONOMA CORP·Filed 1996·Granted Aug 25, 1998·212 cites·30 claims
- 0293US5695009ADownhole oil well tool running and pulling with hydraulic release using deformable ball valving memberSONOMA CORP·Filed 1995·Granted Dec 9, 1997·179 cites·30 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →