Inventor · disambiguated record

Wanchai Ratanasirigulchia

Also filed as: RATANASIRIGULCHIA WANCHAI

1 granted patent·11 citations·filing 2004–2004

34Inventor score

Technology areasE21B

Files withSCHLUMBERGER TECHNOLOGY CORP1

Top patents by PatentIndex Score

1 record

0146US7159657B2Shaped charge loading tube for perforating gunSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Jan 9, 2007·11 cites·23 claims

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