Inventor · disambiguated record
Ewan Smith
Also filed as: SMITH EWAN · SMITH EWAN COLIN
15 granted patents·32 citations·filing 2013–2022
90Inventor score
Technology areasE21B
Top patents by PatentIndex Score
15 records- 0196US10975660B2Downhole apparatus with a valve arrangementHALLIBURTON MFG & SERV LTD·Filed 2017·Granted Apr 13, 2021·11 cites·20 claims
- 0289US10718183B2Downhole apparatus for disrupting filter cakeHALLIBURTON MFG & SERV LTD·Filed 2014·Granted Jul 21, 2020·19 cites·28 claims
- 0385US11542779B2Downhole apparatus with a valve arrangementHALLIBURTON MFG & SERV LTD·Filed 2021·Granted Jan 3, 2023·1 cites·20 claims
- 0479US12037873B2Downhole apparatus with a valve arrangementHALLIBURTON MFG & SERV LTD·Filed 2022·Granted Jul 16, 2024·0 cites·22 claims
- 0579US12018547B2Downhole apparatus with a valve arrangementHALLIBURTON MFG & SERV LTD·Filed 2022·Granted Jun 25, 2024·0 cites·28 claims
- 0679US12018546B2Downhole apparatus with a valve arrangementHALLIBURTON MFG & SERV LTD·Filed 2022·Granted Jun 25, 2024·0 cites·30 claims
- 0779US12012825B2Downhole apparatus with a valve arrangementHALLIBURTON MFG & SERV LTD·Filed 2022·Granted Jun 18, 2024·0 cites·16 claims
- 0879US12006790B2Downhole apparatus with a valve arrangementHALLIBURTON MFG & SERV LTD·Filed 2022·Granted Jun 11, 2024·0 cites·16 claims
- 0979US11946339B2Downhole apparatus with a valve arrangementHALLIBURTON MFG & SERV LTD·Filed 2022·Granted Apr 2, 2024·0 cites·20 claims
- 1079US11939839B2Downhole apparatus with a valve arrangementHALLIBURTON MFG & SERV LTD·Filed 2022·Granted Mar 26, 2024·0 cites·18 claims
- 1179US11920434B2Downhole apparatus with a valve arrangementHALLIBURTON MFG & SERV LTD·Filed 2022·Granted Mar 5, 2024·0 cites·20 claims
- 1279US11920433B2Downhole apparatus with a valve arrangementHALLIBURTON MFG & SERV LTD·Filed 2022·Granted Mar 5, 2024·0 cites·20 claims
- 1379US11828134B2Downhole apparatus with a valve arrangementHALLIBURTON MFG & SERV LTD·Filed 2022·Granted Nov 28, 2023·0 cites·23 claims
- 1469US10613691B2Downhole apparatusHALLIBURTON MFG & SERV LTD·Filed 2017·Granted Apr 7, 2020·1 cites·18 claims
- 1546US9851852B2Downhole apparatusDARCY TECH LIMITED·Filed 2013·Granted Dec 26, 2017·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →