Inventor · disambiguated record
Albert H. Wignall
Also filed as: WIGNALL ALBERT H
5 granted patents·318 citations·filing 1988–1997
86Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP5
Top patents by PatentIndex Score
5 records- 0193US5036945ASonic well tool transmitter receiver array including an attenuation and delay apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Aug 6, 1991·95 cites·42 claims
- 0292US4872526ASonic well logging tool longitudinal wave attenuatorSCHLUMBERGER TECHNOLOGY CORP·Filed 1988·Granted Oct 10, 1989·94 cites·9 claims
- 0383US5043952AMonopole transmitter for a sonic well toolSCHLUMBERGER TECHNOLOGY CORP·Filed 1990·Granted Aug 27, 1991·56 cites·6 claims
- 0468US5970787ADownhole gravity toolSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted Oct 26, 1999·49 cites·31 claims
- 0564US4862991ASonic well logging tool transmitterSCHLUMBERGER TECHNOLOGY CORP·Filed 1988·Granted Sep 5, 1989·24 cites·10 claims
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