Assignee
HAD ENG S R L
IT·3 granted patents·10 citations·filing 2014–2015
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0179US10337268B2Device for ensuring continuous circulation in well drillingHAD ENG S R L·Filed 2015·Granted Jul 2, 2019·5 cites·19 claims
- 0270US9909391B2Device for ensuring continuous circulation in well drillingHAD ENG S R L·Filed 2014·Granted Mar 6, 2018·5 cites·19 claims
- 0333US10161206B2Method for drilling a well in continuous circulation and device for intercepting and redistributing fluid used in this methodHAD ENG S R L·Filed 2015·Granted Dec 25, 2018·0 cites·8 claims
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