Inventor · disambiguated record
Donald H. Michel
Also filed as: MICHEL DONALD H
9 granted patents·1 pending application·566 citations·filing 1987–2017
91Inventor score
Technology areasE21B
Files withBJ SERVICES CO USA3OSCA INC3BJ SERVICES CO2MICHEL DONALD H1OILFIELD SERVICE CORP OF AMERI1
Top patents by PatentIndex Score
10 records- 0194US5609204AIsolation system and gravel pack assemblyOSCA INC·Filed 1995·Granted Mar 11, 1997·209 cites·2 claims
- 0289US5865251AIsolation system and gravel pack assembly and uses thereofOSCA INC·Filed 1996·Granted Feb 2, 1999·134 cites·12 claims
- 0382US5579844ASingle trip open hole well completion system and methodOSCA INC·Filed 1995·Granted Dec 3, 1996·108 cites·5 claims
- 0471US7124824B2Washpipeless isolation strings and methods for isolationBJ SERVICES CO USA·Filed 2003·Granted Oct 24, 2006·37 cites·27 claims
- 0566US4783995ALogging toolOILFIELD SERVICE CORP OF AMERI·Filed 1987·Granted Nov 15, 1988·42 cites·26 claims
- 0660US7178595B2Apparatus and method for gravel packingBJ SERVICES CO USA·Filed 2005·Granted Feb 20, 2007·5 cites·11 claims
- 0755US7377320B2Apparatus and method for gravel packingBJ SERVICES CO USA·Filed 2007·Granted May 27, 2008·3 cites·11 claims
- 0854US7201232B2Washpipeless isolation strings and methods for isolation with object holding service toolBJ SERVICES CO·Filed 2003·Granted Apr 10, 2007·15 cites·40 claims
- 0954US6837308B2Apparatus and method for gravel packingBJ SERVICES CO·Filed 2001·Granted Jan 4, 2005·13 cites·13 claims
- 1033US2018003011A1Louvered Pipe Shroud AssemblyMICHEL DONALD H·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →