Inventor · disambiguated record
Richard Dalzell
Also filed as: DALZELL RICHARD · DALZELL RICHARD ALASTAIR HOWARD
9 granted patents·43 citations·filing 2014–2021
85Inventor score
Technology areasE21B
Top patents by PatentIndex Score
9 records- 0190US10655439B2Gas lift method and apparatusWEATHERFORD UK LTD·Filed 2016·Granted May 19, 2020·18 cites·24 claims
- 0286US9911016B2Radio frequency identification tag delivery systemWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Mar 6, 2018·5 cites·30 claims
- 0382US10915714B2Active RFID tag arrangements for actuation of downhole equipment in well fluidsWEATHERFORD TECH HOLDINGS LLC·Filed 2019·Granted Feb 9, 2021·3 cites·17 claims
- 0482US9970258B2Remotely operated stage cementing methods for liner drilling installationsWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted May 15, 2018·7 cites·25 claims
- 0580US10087725B2Telemetry operated tools for cementing a liner stringWEATHERFORD TECH HOLDINGS LLC·Filed 2014·Granted Oct 2, 2018·7 cites·24 claims
- 0674US10586083B2Active RFID tag arrangements for actuation of downhole equipment in well fluidsWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Mar 10, 2020·2 cites·18 claims
- 0768US10198606B2Radio frequency identification tag delivery systemWEATHERFORD TECH HOLDINGS LLC·Filed 2018·Granted Feb 5, 2019·1 cites·22 claims
- 0855US10808508B2Telemetry operated tools for cementing a liner stringWEATHERFORD TECH HOLDINGS LLC·Filed 2018·Granted Oct 20, 2020·0 cites·20 claims
- 0944US12152486B2Method and system for remotely signalling a downhole assembly comprising one or more downhole toolWEATHERFORD UK LTD·Filed 2021·Granted Nov 26, 2024·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →