Inventor · disambiguated record
Alexander R. Crabtree
Also filed as: CRABTREE ALEXANDER R · CRABTREE ALEXANDER RAPHAEL
4 granted patents·3 pending applications·169 citations·filing 1996–2008
78Inventor score
Technology areasE21B
Top patents by PatentIndex Score
7 records- 0180US6712150B1Partial coil-in-coil tubingBJ SERVICES CO·Filed 1999·Granted Mar 30, 2004·90 cites·40 claims
- 0273US5718291ADownhole disconnect toolBAKER HUGHES INC·Filed 1996·Granted Feb 17, 1998·74 cites·28 claims
- 0351US7870902B2Methods for allowing multiple fractures to be formed in a subterranean formation from an open hole wellBAKER HUGHES INC·Filed 2008·Granted Jan 18, 2011·3 cites·24 claims
- 0447US8205672B2Acid tunneling bottom hole assembly and method utilizing reversible knuckle jointsMISSELBROOK JOHN GORDON·Filed 2008·Granted Jun 26, 2012·2 cites·27 claims
- 0540US2007187111A1Apparatus and method for dewatering low pressure gradient gas wellsBJ SERVICES CO·Filed 2007·Application pending·0 cites
- 0637US2008271925A1Acid tunneling bottom hole assemblyBJ SERVICES CO·Filed 2007·Application pending·0 cites
- 0732US2005274527A1Apparatus and method for dewatering low pressure gradient gas wellsMISSELBROOK JOHN G·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →