Assignee
UNGEMACH PIERRE
FR·2 granted patents·60 citations·filing 1991–1991
Top patents by PatentIndex Score
2 records- 0159US5236036ADevice for delivering corrosion or deposition inhibiting agents into a well by means of an auxiliary delivery tubeUNGEMACH PIERRE·Filed 1991·Granted Aug 17, 1993·48 cites·11 claims
- 0230US5228509ADevice for protecting wells from corrosion or deposits caused by the nature of the fluid produced or located thereinUNGEMACH PIERRE·Filed 1991·Granted Jul 20, 1993·12 cites·11 claims
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