Inventor · disambiguated record
R. Mark Havira
Also filed as: HAVIRA R MARK
7 granted patents·573 citations·filing 1978–1995
90Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP4EKSTROM MICHAEL P1PANDROL JACKSON TECH INC1SCHLUMBERGER DOLL RESEARCH1
Top patents by PatentIndex Score
7 records- 0196US4255798AMethod and apparatus for acoustically investigating a casing and cement bond in a boreholeSCHLUMBERGER TECHNOLOGY CORP·Filed 1978·Granted Mar 10, 1981·217 cites·70 claims
- 0290US4692908AMethod and apparatus for investigating stand-off in a boreholeSCHLUMBERGER DOLL RESEARCH·Filed 1982·Granted Sep 8, 1987·95 cites·28 claims
- 0388US4733380AApparatus and method for acoustically investigating a casing set in a boreholeSCHLUMBERGER TECHNOLOGY CORP·Filed 1984·Granted Mar 22, 1988·86 cites·11 claims
- 0484US4382290AApparatus for acoustically investigating a boreholeSCHLUMBERGER TECHNOLOGY CORP·Filed 1980·Granted May 3, 1983·69 cites·4 claims
- 0580US4885723AAcoustic apparatus and method for detecting borehole wall discontinuities such as vertical fracturesSCHLUMBERGER TECHNOLOGY CORP·Filed 1981·Granted Dec 5, 1989·35 cites·19 claims
- 0670US5578758ARail investigating ultrasonic transducerPANDROL JACKSON TECH INC·Filed 1995·Granted Nov 26, 1996·41 cites·6 claims
- 0761US4979151AMethod and apparatus for investigating stand-off in a boreholeEKSTROM MICHAEL P·Filed 1987·Granted Dec 18, 1990·30 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →