Inventor · disambiguated record
David P. Duckworth
Also filed as: DUCKWORTH DAVID · DUCKWORTH DAVID P · DUCKWORTH DAVID PATRICK
7 granted patents·2 pending applications·10 citations·filing 2009–2014
75Inventor score
Top patents by PatentIndex Score
9 records- 0189US9528066B2High-temperature lubricants comprising elongated carbon nanoparticles for use in subterranean formation operationsHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Dec 27, 2016·5 cites·12 claims
- 0272US10113366B2Intergland greaseHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Oct 30, 2018·1 cites·18 claims
- 0368US9493723B2High-temperature lubricants comprising elongated carbon nanoparticles for use in subterranean formation operationsHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Nov 15, 2016·3 cites·16 claims
- 0464US8789623B2High performance rock bit greaseDUCKWORTH DAVID P·Filed 2013·Granted Jul 29, 2014·1 cites·19 claims
- 0555US10132120B2Elastomer-thermally conductive carbon fiber compositions for roller-cone drill bit sealsHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Nov 20, 2018·0 cites·14 claims
- 0654US2011048809A1High performance rock bit greaseDUCKWORTH DAVID P·Filed 2009·Application pending·0 cites
- 0743US9988849B2Joints comprising carbon nanoforestsHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Jun 5, 2018·0 cites·23 claims
- 0841US9988850B2Symmetrical sealHALLIBURTON ENERGY SERVICES INC·Filed 2012·Granted Jun 5, 2018·0 cites·24 claims
- 0939US2013133955A1Drill bit with seal having spheres in a matrix seal materialHALLIBURTON ENERGY SERV INC·Filed 2012·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David P. Duckworth files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →