Inventor · disambiguated record
Douglas Caraway
Also filed as: CARAWAY DOUGLAS · CARAWAY DOUGLAS B · CARAWAY DOUGLAS BRUCE
27 granted patents·4 pending applications·1,153 citations·filing 1996–2023
97Inventor score
Files withHALLIBURTON ENERGY SERVICES INC6CAMCO INT5CAMCO INT UK LTD5CAMCO DRILLING GROUP LTD4AKER SOLUTIONS AS2
Top patents by PatentIndex Score
31 records- 0198US5732783AIn or relating to rotary drill bitsCAMCO DRILLING GROUP LTD·Filed 1996·Granted Mar 31, 1998·145 cites·6 claims
- 0294US12123261B1Depth of cut control responsive to borehole trajectoryHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Oct 22, 2024·4 cites·20 claims
- 0394US5992547ARotary drill bitsCAMCO INT UK LTD·Filed 1998·Granted Nov 30, 1999·159 cites·8 claims
- 0489US5967246ARotary drill bitsCAMCO INT UK LTD·Filed 1998·Granted Oct 19, 1999·111 cites·13 claims
- 0587US10655454B2Subsea well equipment landing indicator and locking indicatorAKER SOLUTIONS AS·Filed 2017·Granted May 19, 2020·3 cites·6 claims
- 0685US8945720B2Hard composite with deformable constituent and method of applying to earth-engaging toolSRESHTA HAROLD·Filed 2009·Granted Feb 3, 2015·12 cites·22 claims
- 0784US5950742AMethods and related equipment for rotary drillingCAMCO INT·Filed 1997·Granted Sep 14, 1999·99 cites·27 claims
- 0883US6092613ARotary drill bitsCAMCO INT UK LTD·Filed 1998·Granted Jul 25, 2000·76 cites·8 claims
- 0981US5944128AMatrix hard facing by lost wax processCAMCO INT UK LTD·Filed 1998·Granted Aug 31, 1999·28 cites·3 claims
- 1080US5904213ARotary drill bitsCAMCO INT UK LTD·Filed 1997·Granted May 18, 1999·68 cites·16 claims
- 1180US5829539ARotary drill bit with hardfaced fluid passages and method of manufacturingCAMCO DRILLING GROUP LTD·Filed 1997·Granted Nov 3, 1998·95 cites·8 claims
- 1277US6135218AFixed cutter drill bits with thin, integrally formed wear and erosion resistant surfacesCAMCO INT·Filed 1999·Granted Oct 24, 2000·76 cites·16 claims
- 1375US9982487B2Wellbore drilling systems with vibration subsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted May 29, 2018·2 cites·15 claims
- 1471US8721752B2PDC cutter with stress diffusing structuresFULLER JOHN MICHAEL·Filed 2008·Granted May 13, 2014·14 cites·16 claims
- 1571US7025156B1Rotary drill bit for casting milling and formation drillingCARAWAY DOUGLAS·Filed 1997·Granted Apr 11, 2006·65 cites·6 claims
- 1669US10822945B1Storing data based on a value associated with an ambient condition downhole in a borehole of a geologic formationHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Nov 3, 2020·1 cites·20 claims
- 1769US6789635B2Drill bit for directional drilling in cobble formationsEARTH TOOL CO LLC·Filed 2002·Granted Sep 14, 2004·32 cites·33 claims
- 1864US2015107908A1Hard composite with deformable constituent and method of applying to earth-engaging toolNAT OILWELL VARCO LP·Filed 2014·Application pending·0 cites
- 1960US11143020B2Subsea well equipment landing indicator and locking indicatorAKER SOLUTIONS AS·Filed 2020·Granted Oct 12, 2021·0 cites·3 claims
- 2058US6193000B1Drag-type rotary drill bitCAMCO INT·Filed 1999·Granted Feb 27, 2001·43 cites·8 claims
- 2157US6167833B1Wear indicator for rotary drilling toolsCAMCO INT·Filed 1998·Granted Jan 2, 2001·43 cites·10 claims
- 2250US8733475B2Drill bit with enhanced hydraulics and erosion-shield cutting teethVO THANG·Filed 2011·Granted May 27, 2014·1 cites·26 claims
- 2349US6371226B1Drag-type rotary drill bitCAMCO INT·Filed 1999·Granted Apr 16, 2002·24 cites·16 claims
- 2449US6116355AChoke deviceCAMCO DRILLING GROUP LTD·Filed 1997·Granted Sep 12, 2000·25 cites·17 claims
- 2547US5699868ARotary drill bits having nozzles to enhance recirculationCAMCO DRILLING GROUP LTD·Filed 1996·Granted Dec 23, 1997·27 cites·12 claims
- 2644US12012807B2Drill bit with offset counter-rotating cuttersHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Jun 18, 2024·0 cites·17 claims
- 2743US10774593B2Sealing elements for roller cone bitsHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Sep 15, 2020·0 cites·28 claims
- 2840US10422186B2Hardfacing metal partsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Sep 24, 2019·0 cites·9 claims
- 2934US2002112894A1Bit for horizontal boringFiled 2002·Application pending·0 cites
- 3034US2004108138A1Hydraulic Optimization of Drilling Fluids in Borehole DrillingFiled 2003·Application pending·0 cites
- 3134US2002139582A1Starter rod for use in back reamingFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →