Inventor · disambiguated record
Robert J. Costo, Jr.
Also filed as: COSTO JR ROBERT J · COSTO JR ROBERT JAMES · COSTO ROBERT JAMES
16 granted patents·1 pending application·466 citations·filing 1998–2025
94Inventor score
Files withBAKER HUGHES INC6HALLIBURTON ENERGY SERVICES INC2FONTENOT JR HUWARD PAUL1GILL WILLIAM C1MOHON BRIAN1
Top patents by PatentIndex Score
17 records- 0194US7216565B2Methods of manufacturing and repairing steel body rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recessesBAKER HUGHES INC·Filed 2006·Granted May 15, 2007·30 cites·12 claims
- 0294US7070011B2Steel body rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recessesBAKER HUGHES INC·Filed 2003·Granted Jul 4, 2006·59 cites·19 claims
- 0392US8381816B2Flushing procedure for rotating control deviceSMITH INTERNATIONAL·Filed 2010·Granted Feb 26, 2013·17 cites·15 claims
- 0491US6651756B1Steel body drill bits with tailored hardfacing structural elementsBAKER HUGHES INC·Filed 2000·Granted Nov 25, 2003·135 cites·22 claims
- 0586US9494006B2Pressure pulse well toolMOHON BRIAN·Filed 2013·Granted Nov 15, 2016·16 cites·20 claims
- 0686US6290007B2Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capabilityBAKER HUGHES INC·Filed 2001·Granted Sep 18, 2001·68 cites·37 claims
- 0782US6321862B1Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capabilityBAKER HUGHES INC·Filed 1998·Granted Nov 27, 2001·84 cites·63 claims
- 0878US8820747B2Multiple sealing element assemblyZUBIA ALBERTO·Filed 2010·Granted Sep 2, 2014·10 cites·20 claims
- 0974US8491013B2Cementing swivel and retainer arm assembly and methodPEER RICHARD D·Filed 2007·Granted Jul 23, 2013·18 cites·8 claims
- 1069US7520345B2Fixed cutter rotary drill bit including support elements affixed to the bit body at least partially defining cutter pocket recessesBAKER HUGHES INC·Filed 2007·Granted Apr 21, 2009·8 cites·25 claims
- 1166US8091628B2Apparatus and method for providing fluid and projectiles to downhole tubularsPEER RICHARD DAVID·Filed 2007·Granted Jan 10, 2012·12 cites·28 claims
- 1260US10378295B2Bypass flushing for gas extraction systemsHALLIBURTON ENERGY SERVICES INC·Filed 2017·Granted Aug 13, 2019·0 cites·9 claims
- 1358US8789602B2Ball drop moduleGILL WILLIAM C·Filed 2011·Granted Jul 29, 2014·3 cites·14 claims
- 1456US2025341134A1Fixed cutter drill bits with mechanically attached cutter element assembliesNAT OILWELL VARCO LP·Filed 2025·Application pending·0 cites
- 1555US9816335B2Bypass flushing for gas extraction systemsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Nov 14, 2017·0 cites·10 claims
- 1651US8065935B2Method of manufacturing a rotary drill bitSHERWOOD JR WILLIAM H·Filed 2009·Granted Nov 29, 2011·3 cites·5 claims
- 1746US8118104B2Downhole valve with pass through IDFONTENOT JR HUWARD PAUL·Filed 2009·Granted Feb 21, 2012·3 cites·16 claims
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