Individual holder

OWINGS ALLEN J

2 granted patents·77 citations·filing 1980–1981

Individually held — no corporate assignee on record.

Technology mixE21B2

Top patents by PatentIndex Score

2 records

0175US4430892APressure loss identifying apparatus and method for a drilling mud systemOWINGS ALLEN J·Filed 1981·Granted Feb 14, 1984·60 cites·4 claims
0242US4346594AMethod for locating the depth of a drill string washout or lost circulation zoneOWINGS ALLEN J·Filed 1980·Granted Aug 31, 1982·17 cites·6 claims

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